<?xml version="1.0" encoding="utf-8"?><?xml-stylesheet href='http://feed.feedsky.com/styles/podcast2.xsl' type='text/xsl' ?><!--这是一个由Feedsy提供技术支持的Feed，为了提高读者阅读的体验，以及满足用户美化自己Feed的需要，我们设计了多种精美的Feed模板，提供给大家选择，所有最终呈现出来的样式，皆由用户自愿选择使用，未经许可，任何团体和个人，请不要擅自修改样式或者盗用，这是对于用户选择权的尊重。--><rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:fs="http://www.feedsky.com/namespace/feed" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0"><channel><atom:link href="http://feed.feedsky.com/webcomgo" type="application/rss+xml" rel="self"></atom:link><fs:self_link href="http://feed.feedsky.com/webcomgo" type="application/rss+xml"></fs:self_link><lastBuildDate>Thu, 06 Oct 2011 03:04:02 GMT</lastBuildDate><title>网来网去</title><description>专注Google|苹果|阿里巴巴|互联网|智能终端|云计算|电子商务|平板设备</description><link>http://www.webcomgo.com</link><sy:updatePeriod>hourly</sy:updatePeriod><sy:updateFrequency>1</sy:updateFrequency><language>en</language><pubDate>Thu, 06 Oct 2011 03:04:02 GMT</pubDate><item><title>乔布斯那些经典的激励我们的语录</title><link>http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124819/6434971/1/item.html</link><content:encoded>&lt;p&gt;不要按照用户的坏习惯去设计，也不要按照程序员的思维去设计！&lt;br /&gt;
do not according to user bad habits to design, also do not according to programmers thinking design!&lt;br /&gt;
有好的想法要坚持，不要被其他人的观点的噪声掩盖你真正的内心的声音。当你的想法站不住时，立即大度的丢弃，这其实是更是一种坚持。&lt;br /&gt;
have good ideas are going to insist, don’t be others’ opinion noise drown out your own inner voice. When your ideas stand, immediately magnanimous discard it is, and it is also a kind of persistence.&lt;br /&gt;
任何一款产品都不应该带着BUG去见用户，那怕失信于媒体推迟发布时间。&lt;br /&gt;
any product are not should bring a BUG to meet users, that is afraid to betray media postpone the release of time.&lt;br /&gt;
产品一定是让人感觉最新，但坚决不做小白鼠去尝试前无古人的新产品。&lt;br /&gt;
products must be feeling letting a person, but resolute don’t do new mice to try an unprecedented new product.&lt;br /&gt;
把标志画那么大干吗？苹果的产品要在任何时候都让人一眼认出是苹果的产品而非是苹果的标志。&lt;br /&gt;
the sign painting so big? Apple products will at any time those who make a person recognized apple’s products rather than is the apple logo.&lt;br /&gt;
比别人少用一条线获得更低的工艺成本，比别人提供多一种价值认同并获得更高的利润，这就是苹果。&lt;br /&gt;
less than others with a line acquire lower process cost more than others, and provide a kind of value identification and obtain more profits, this is an apple.&lt;br /&gt;
所有的产品一定会离开苹果商店但不能离开苹果系统，我们要帮助客户持续使用苹果产品，直到寿终正寝。&lt;br /&gt;
all products will leave apple store but cannot leave apple system, we have to help customers continued use of apple products, until died.&lt;br /&gt;
IBM Thinkpad 如果没了小红点，那它就不是Thinkpad。MACBook 如果加了小红点，那它即不是 IBM Thinkpad 也不是苹果 MACBook 了。&lt;br /&gt;
IBM Thinkpad if not a little red dot, it isn’t Thinkpad. MACBook if added little red dots, that it is not IBM Thinkpad nor apple MACBook.&lt;br /&gt;
让团队中那些说“不可能”的人感到实现不了是可耻的。&lt;br /&gt;
let team for those who say “impossible” people feel not achieve them is shameful.&lt;br /&gt;
品牌不是打上苹果的标志就是苹果的品质，打上苹果的标志也需要信心和对客户的承诺。&lt;br /&gt;
brand is not playing apple logo is an apple quality, hit the apple logo also need confidence and commitment to customers.&lt;br /&gt;
不要为别人而活，也不要为今天的自己而活，把今天的工作做好了，明天自然属于你，薪水自然比别人高。&lt;br /&gt;
don’t lived for others, also don’t live for today’s themselves, to do good work today, tomorrow natural belong to you, high salary nature than others.&lt;br /&gt;
产品设计时的所有功能都是一个整体，不应该有任何理由去砍功能，破坏整体性。&lt;br /&gt;
product design all the functions are a whole, should not have any reason to cut function, destroy unity.&lt;br /&gt;
领袖和跟风者的区别就在于创新，你的时间有限，所以不要像亚洲人那样，浪费在模仿别人这种事上。&lt;br /&gt;
a leader and a follower innovation distinguishes between, your time is limited, so don’t like asians that, wasted in imitate others this kind of things.&lt;br /&gt;
团队中那些想用Keynote（苹果的PPT）来证明自己的人只能说明你不行，请拿出解决方案。&lt;br /&gt;
team of people who want to use Keynote to prove themselves only shows that you can, please take out the solution.&lt;br /&gt;
成为卓越的代名词并不是因为他有多么聪明，而在于他有多么勤劳。&lt;br /&gt;
become the pronoun of not because of his remarkable how clever, but that he is how diligent.&lt;br /&gt;
东方佛学中有一句话：永远保持初学者的心态；拥有初学者的心态是件了不起的事情。&lt;br /&gt;
East: “there’s a phrase in Buddhism, ‘beginner’s never keep Have a beginner’s mind is a wonderful thing.&lt;br /&gt;
不要小看ipod上的一颗按钮，它和别人不一样的是我们做了21个方案、84000次测试、57次改进，用户的满意源于不必要的坚持。&lt;br /&gt;
don’t look down upon a single button on the ipod, it and others are different is that we did 21 scheme, 84,000 times test, 57 times improvement, the satisfaction of customers from unnecessary insistssss.&lt;/p&gt;
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&lt;/table&gt;&lt;img src=&quot;http://www1.feedsky.com/t1/563124819/webcomgo/feedsky/s.gif?r=http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124819/6434971/1/item.html&quot; border=&quot;0&quot; height=&quot;0&quot; width=&quot;0&quot; style=&quot;position:absolute&quot; /&gt;</description><category>苹果</category><category>苹果中国</category><category>苹果 Iphone iOS 4</category><category>乔布斯</category><pubDate>Thu, 06 Oct 2011 11:04:02 +0800</pubDate><author>网来网去</author><comments>http://www.webcomgo.com/archives/10950#comments</comments><guid isPermaLink="false">http://www.webcomgo.com/?p=10950</guid><dc:creator>网来网去</dc:creator><fs:srclink>http://www.webcomgo.com/archives/10950</fs:srclink><fs:srcfeed>http://www.webcomgo.com/feed</fs:srcfeed><fs:itemid>feedsky/webcomgo/~8331573/563124819/6434971</fs:itemid></item><item><title>mysql 备份各种方法</title><link>http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124820/6434971/1/item.html</link><content:encoded>&lt;p&gt;注意这里是ubuntu11.04版本mysql 5.1 。windows下的估计有区别。。自己研究去吧！！&lt;/p&gt;
&lt;p&gt;1.登录mysql后用BACKUP、RESTORE命令不推荐使用，后面的版本可能会移除。。所以还是别用了！&lt;/p&gt;
&lt;p&gt;2。用mysqldump命令备份。假设在firstdb下有个test 表。则运行&lt;/p&gt;
&lt;p&gt;mysqldump -uUERNAME -pPASSWORD　-hHOSTNAME firstdb test &amp;gt; test.sql &lt;span id=&quot;more-10946&quot;&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;登录后mysql后运行：drop table test ;&lt;/p&gt;
&lt;p&gt;现在恢复 ： mysql -uUSRNAME　-pPASSWORD -hHOSTNAME firstdb &amp;lt; test.sql&lt;/p&gt;
&lt;p&gt;这样原来的test就恢复了。。&lt;/p&gt;
&lt;p&gt;当然mysqldump很多参数。。自己man去吧！&lt;/p&gt;
&lt;p&gt;3、用select into 做备份&lt;/p&gt;
&lt;p&gt;登录mysql后运行:select * from test into outfile &amp;#8220;test.dat&amp;#8221;;&lt;/p&gt;
&lt;p&gt;清空表：truncate test ；&lt;/p&gt;
&lt;p&gt;恢复可以： load data infile &amp;#8220;test.dat&amp;#8221; into table test ;&lt;/p&gt;
&lt;p&gt;当然还可以用mysqlimport命令代替load data 。。在bash下运行：&lt;/p&gt;
&lt;p&gt;mysqlimport  -uUSERNAME -pPASSWROD　-hHOSTNAME　ｆｉｒｓｔｄｂ　test.dat ;&lt;/p&gt;
&lt;p&gt;这样就可以恢复了。。&lt;/p&gt;
&lt;p&gt;不过注意在linux下的权限问题。。这个不解释。。mysql的权限管理用户是一个系统用户&amp;#8211;mysql，具体查看相关linux 权限的书籍！&lt;/p&gt;
&lt;p&gt;4.利用mysqlhotcopy命令&lt;/p&gt;
&lt;p&gt;用法和mysqlimport类似。。这是一个perl脚本。。查看help就会用了。。&lt;/p&gt;
&lt;p&gt;5.使用二进制更新的日志文件恢复数据到最近位置。&lt;/p&gt;
&lt;p&gt;这个要求打开log-bin选项，在/etc/mysql/my.cnf 下设置。。利用正则表达式很容易就可以找到log-bin选项，把注释去了就可以了。当然也可以自己加上。&lt;/p&gt;
&lt;p&gt;然后利用mysqlbinlog  XXXX-bin.XXX 就可以恢复了。。默认应该是放在/var/log/mysql 。。自己利用find命令找。。&lt;/p&gt;
&lt;p&gt;6最后一种方法不多说。。直接把整个数据库拷贝。。。利用cp 命令复制到其他目录或文件系统。。恢复也容易。。。&lt;/p&gt;
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&lt;/table&gt;&lt;img src=&quot;http://www1.feedsky.com/t1/563124820/webcomgo/feedsky/s.gif?r=http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124820/6434971/1/item.html&quot; border=&quot;0&quot; height=&quot;0&quot; width=&quot;0&quot; style=&quot;position:absolute&quot; /&gt;</description><category>mysql</category><category>DBA</category><pubDate>Sun, 04 Sep 2011 11:54:54 +0800</pubDate><author>网来网去</author><comments>http://www.webcomgo.com/archives/10946#comments</comments><guid isPermaLink="false">http://www.webcomgo.com/?p=10946</guid><dc:creator>网来网去</dc:creator><fs:srclink>http://www.webcomgo.com/archives/10946</fs:srclink><fs:srcfeed>http://www.webcomgo.com/feed</fs:srcfeed><fs:itemid>feedsky/webcomgo/~8331573/563124820/6434971</fs:itemid></item><item><title>30条经典的SQL语句</title><link>http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124821/6434971/1/item.html</link><content:encoded>&lt;p&gt;返回表的字段名称&lt;/p&gt;
&lt;p&gt;select name from syscolumns where id=object_id(&amp;#8216;jobs&amp;#8217;)&lt;/p&gt;
&lt;p&gt;select * into b&lt;br /&gt;
from a where 1&amp;lt;&amp;gt;1&lt;/p&gt;
&lt;p&gt;&amp;#8211;刚看到的.新建一个与a表一样的空的b表&lt;br /&gt;
select * into b&lt;br /&gt;
from a where 1&amp;lt;&amp;gt;1&lt;/p&gt;
&lt;p&gt;&amp;#8211;刚看到的.新建一个与a表一样的空的b表&lt;span id=&quot;more-10942&quot;&gt;&lt;/span&gt;&lt;br /&gt;
精点,经典,&lt;br /&gt;
一些不错的sql语句，自己根据需要收藏吧，分给多点哦:)&lt;br /&gt;
1、说明：复制表(只复制结构,源表名：a 新表名：b) (Access可用)&lt;br /&gt;
法一：select * into b from a where 1&amp;lt;&amp;gt;1&lt;br /&gt;
法二：select top 0 * into b from a&lt;/p&gt;
&lt;p&gt;2、说明：拷贝表(拷贝数据,源表名：a 目标表名：b) (Access可用)&lt;br /&gt;
insert into b(a, b, c) select d,e,f from b;&lt;/p&gt;
&lt;p&gt;3、说明：跨数据库之间表的拷贝(具体数据使用绝对路径) (Access可用)&lt;br /&gt;
insert into b(a, b, c) select d,e,f from b in ‘具体数据库’ where 条件&lt;br /&gt;
例子：..from b in &amp;#8216;&amp;#8221;&amp;amp;Server.MapPath(&amp;#8220;.&amp;#8221;)&amp;amp;&amp;#8221;\data.mdb&amp;#8221; &amp;amp;&amp;#8221;&amp;#8216; where..&lt;/p&gt;
&lt;p&gt;4、说明：子查询(表名1：a 表名2：b)&lt;br /&gt;
select a,b,c from a where a IN (select d from b ) 或者: select a,b,c from a where a IN (1,2,3)&lt;/p&gt;
&lt;p&gt;5、说明：显示文章、提交人和最后回复时间&lt;br /&gt;
select a.title,a.username,b.adddate from table a,(select max(adddate) adddate from table where table.title=a.title) b&lt;/p&gt;
&lt;p&gt;6、说明：外连接查询(表名1：a 表名2：b)&lt;br /&gt;
select a.a, a.b, a.c, b.c, b.d, b.f from a LEFT OUT JOIN b ON a.a = b.c&lt;/p&gt;
&lt;p&gt;7、说明：在线视图查询(表名1：a )&lt;br /&gt;
select * from (SELECT a,b,c FROM a) T where t.a &amp;gt; 1;&lt;/p&gt;
&lt;p&gt;8、说明：between的用法,between限制查询数据范围时包括了边界值,not between不包括&lt;br /&gt;
select * from table1 where time between time1 and time2&lt;br /&gt;
select a,b,c, from table1 where a not between 数值1 and 数值2&lt;/p&gt;
&lt;p&gt;9、说明：in 的使用方法&lt;br /&gt;
select * from table1 where a [not] in (‘值1’,’值2’,’值4’,’值6’)&lt;/p&gt;
&lt;p&gt;10、说明：两张关联表，删除主表中已经在副表中没有的信息&lt;br /&gt;
delete from table1 where not exists ( select * from table2 where table1.field1=table2.field1 )&lt;/p&gt;
&lt;p&gt;11、说明：四表联查问题：&lt;br /&gt;
select * from a left inner join b on a.a=b.b right inner join c on a.a=c.c inner join d on a.a=d.d where &amp;#8230;..&lt;/p&gt;
&lt;p&gt;12、说明：日程安排提前五分钟提醒&lt;br /&gt;
SQL: select * from 日程安排 where datediff(&amp;#8216;minute&amp;#8217;,f开始时间,getdate())&amp;gt;5&lt;/p&gt;
&lt;p&gt;13、说明：一条sql 语句搞定数据库分页&lt;br /&gt;
select top 10 b.* from (select top 20 主键字段,排序字段 from 表名 order by 排序字段 desc) a,表名 b where b.主键字段 = a.主键字段 order by a.排序字段&lt;/p&gt;
&lt;p&gt;14、说明：前10条记录&lt;br /&gt;
select top 10 * form table1 where 范围&lt;/p&gt;
&lt;p&gt;15、说明：选择在每一组b值相同的数据中对应的a最大的记录的所有信息(类似这样的用法可以用于论坛每月排行榜,每月热销产品分析,按科目成绩排名,等等.)&lt;br /&gt;
select a,b,c from tablename ta where a=(select max(a) from tablename tb where tb.b=ta.b)&lt;/p&gt;
&lt;p&gt;16、说明：包括所有在 TableA 中但不在 TableB和TableC 中的行并消除所有重复行而派生出一个结果表&lt;br /&gt;
(select a from tableA ) except (select a from tableB) except (select a from tableC)&lt;/p&gt;
&lt;p&gt;17、说明：随机取出10条数据&lt;br /&gt;
select top 10 * from tablename order by newid()&lt;/p&gt;
&lt;p&gt;18、说明：随机选择记录&lt;br /&gt;
select newid()&lt;/p&gt;
&lt;p&gt;19、说明：删除重复记录&lt;br /&gt;
Delete from tablename where id not in (select max(id) from tablename group by col1,col2,&amp;#8230;)&lt;/p&gt;
&lt;p&gt;20、说明：列出数据库里所有的表名&lt;br /&gt;
select name from sysobjects where type=&amp;#8217;U&amp;#8217;&lt;/p&gt;
&lt;p&gt;21、说明：列出表里的所有的&lt;br /&gt;
select name from syscolumns where id=object_id(&amp;#8216;TableName&amp;#8217;)&lt;/p&gt;
&lt;p&gt;22、说明：列示type、vender、pcs字段，以type字段排列，case可以方便地实现多重选择，类似select 中的case。&lt;br /&gt;
select type,sum(case vender when &amp;#8216;A&amp;#8217; then pcs else 0 end),sum(case vender when &amp;#8216;C&amp;#8217; then pcs else 0 end),sum(case vender when &amp;#8216;B&amp;#8217; then pcs else 0 end) FROM tablename group by type&lt;br /&gt;
显示结果：&lt;br /&gt;
type vender pcs&lt;br /&gt;
电脑 A 1&lt;br /&gt;
电脑 A 1&lt;br /&gt;
光盘 B 2&lt;br /&gt;
光盘 A 2&lt;br /&gt;
手机 B 3&lt;br /&gt;
手机 C 3&lt;/p&gt;
&lt;p&gt;23、说明：初始化表table1&lt;br /&gt;
TRUNCATE TABLE table1&lt;/p&gt;
&lt;p&gt;24、说明：选择从10到15的记录&lt;br /&gt;
select top 5 * from (select top 15 * from table order by id asc) table_别名 order by id desc&lt;br /&gt;
&amp;#8211;如何将exec执行结果放入变量中？&lt;/p&gt;
&lt;p&gt;declare @num int,&lt;br /&gt;
@sqls nvarchar(4000)&lt;br /&gt;
set @sqls=&amp;#8217;select @a=count(*) from tableName &amp;#8216;&lt;br /&gt;
exec sp_executesql @sqls,N&amp;#8217;@a int output&amp;#8217;,@num output&lt;br /&gt;
select @num&lt;br /&gt;
&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8212;&amp;#8211;&lt;/p&gt;
&lt;p&gt;动态sql语句基本语法&lt;br /&gt;
1 :普通SQL语句可以用Exec执行&lt;/p&gt;
&lt;p&gt;eg: Select * from tableName&lt;br /&gt;
Exec(&amp;#8216;select * from tableName&amp;#8217;)&lt;br /&gt;
Exec sp_executesql N&amp;#8217;select * from tableName&amp;#8217; &amp;#8212; 请注意字符串前一定要加N&lt;/p&gt;
&lt;p&gt;2:字段名，表名，数据库名之类作为变量时，必须用动态SQL&lt;/p&gt;
&lt;p&gt;eg:&lt;br /&gt;
declare @fname varchar(20)&lt;br /&gt;
set @fname = &amp;#8216;FiledName&amp;#8217;&lt;br /&gt;
Select @fname from tableName &amp;#8212; 错误,不会提示错误，但结果为固定值FiledName,并非所要。&lt;br /&gt;
Exec(&amp;#8216;select &amp;#8216; + @fname + &amp;#8216; from tableName&amp;#8217;) &amp;#8212; 请注意 加号前后的 单引号的边上加空格&lt;/p&gt;
&lt;p&gt;当然将字符串改成变量的形式也可&lt;br /&gt;
declare @fname varchar(20)&lt;br /&gt;
set @fname = &amp;#8216;FiledName&amp;#8217; &amp;#8211;设置字段名&lt;/p&gt;
&lt;p&gt;declare @s varchar(1000)&lt;br /&gt;
set @s = &amp;#8216;select &amp;#8216; + @fname + &amp;#8216; from tableName&amp;#8217;&lt;br /&gt;
Exec(@s) &amp;#8212; 成功&lt;br /&gt;
exec sp_executesql @s &amp;#8212; 此句会报错&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;declare @s Nvarchar(1000) &amp;#8212; 注意此处改为nvarchar(1000)&lt;br /&gt;
set @s = &amp;#8216;select &amp;#8216; + @fname + &amp;#8216; from tableName&amp;#8217;&lt;br /&gt;
Exec(@s) &amp;#8212; 成功&lt;br /&gt;
exec sp_executesql @s &amp;#8212; 此句正确&lt;/p&gt;
&lt;p&gt;3. 输出参数&lt;br /&gt;
declare @num int,&lt;br /&gt;
@sqls nvarchar(4000)&lt;br /&gt;
set @sqls=&amp;#8217;select count(*) from tableName&amp;#8217;&lt;br /&gt;
exec(@sqls)&lt;br /&gt;
&amp;#8211;如何将exec执行结果放入变量中？&lt;/p&gt;
&lt;p&gt;declare @num int,&lt;br /&gt;
@sqls nvarchar(4000)&lt;br /&gt;
set @sqls=&amp;#8217;select @a=count(*) from tableName &amp;#8216;&lt;br /&gt;
exec sp_executesql @sqls,N&amp;#8217;@a int output&amp;#8217;,@num output&lt;br /&gt;
select @num&lt;br /&gt;
一些不错的sql语句&lt;br /&gt;
1、说明：复制表(只复制结构,源表名：a 新表名：b) (Access可用)&lt;br /&gt;
法一：select * into b from a where 1&amp;lt;&amp;gt;1&lt;br /&gt;
法二：select top 0 * into b from a&lt;/p&gt;
&lt;p&gt;2、说明：拷贝表(拷贝数据,源表名：a 目标表名：b) (Access可用)&lt;br /&gt;
insert into b(a, b, c) select d,e,f from b;&lt;/p&gt;
&lt;p&gt;3、说明：跨数据库之间表的拷贝(具体数据使用绝对路径) (Access可用)&lt;br /&gt;
insert into b(a, b, c) select d,e,f from b in ‘具体数据库’ where 条件&lt;br /&gt;
例子：..from b in &amp;#8216;&amp;#8221;&amp;amp;Server.MapPath(&amp;#8220;.&amp;#8221;)&amp;amp;&amp;#8221;\data.mdb&amp;#8221; &amp;amp;&amp;#8221;&amp;#8216; where..&lt;/p&gt;
&lt;p&gt;4、说明：子查询(表名1：a 表名2：b)&lt;br /&gt;
select a,b,c from a where a IN (select d from b ) 或者: select a,b,c from a where a IN (1,2,3)&lt;/p&gt;
&lt;p&gt;5、说明：显示文章、提交人和最后回复时间&lt;br /&gt;
select a.title,a.username,b.adddate from table a,(select max(adddate) adddate from table where table.title=a.title) b&lt;/p&gt;
&lt;p&gt;6、说明：外连接查询(表名1：a 表名2：b)&lt;br /&gt;
select a.a, a.b, a.c, b.c, b.d, b.f from a LEFT OUT JOIN b ON a.a = b.c&lt;/p&gt;
&lt;p&gt;7、说明：在线视图查询(表名1：a )&lt;br /&gt;
select * from (SELECT a,b,c FROM a) T where t.a &amp;gt; 1;&lt;/p&gt;
&lt;p&gt;8、说明：between的用法,between限制查询数据范围时包括了边界值,not between不包括&lt;br /&gt;
select * from table1 where time between time1 and time2&lt;br /&gt;
select a,b,c, from table1 where a not between 数值1 and 数值2&lt;/p&gt;
&lt;p&gt;9、说明：in 的使用方法&lt;br /&gt;
select * from table1 where a [not] in (‘值1’,’值2’,’值4’,’值6’)&lt;/p&gt;
&lt;p&gt;10、说明：两张关联表，删除主表中已经在副表中没有的信息&lt;br /&gt;
delete from table1 where not exists ( select * from table2 where table1.field1=table2.field1 )&lt;/p&gt;
&lt;p&gt;11、说明：四表联查问题：&lt;br /&gt;
select * from a left inner join b on a.a=b.b right inner join c on a.a=c.c inner join d on a.a=d.d where &amp;#8230;..&lt;/p&gt;
&lt;p&gt;12、说明：日程安排提前五分钟提醒&lt;br /&gt;
SQL: select * from 日程安排 where datediff(&amp;#8216;minute&amp;#8217;,f开始时间,getdate())&amp;gt;5&lt;/p&gt;
&lt;p&gt;13、说明：一条sql 语句搞定数据库分页&lt;br /&gt;
select top 10 b.* from (select top 20 主键字段,排序字段 from 表名 order by 排序字段 desc) a,表名 b where b.主键字段 = a.主键字段 order by a.排序字段&lt;/p&gt;
&lt;p&gt;14、说明：前10条记录&lt;br /&gt;
select top 10 * form table1 where 范围&lt;/p&gt;
&lt;p&gt;15、说明：选择在每一组b值相同的数据中对应的a最大的记录的所有信息(类似这样的用法可以用于论坛每月排行榜,每月热销产品分析,按科目成绩排名,等等.)&lt;br /&gt;
select a,b,c from tablename ta where a=(select max(a) from tablename tb where tb.b=ta.b)&lt;/p&gt;
&lt;p&gt;16、说明：包括所有在 TableA 中但不在 TableB和TableC 中的行并消除所有重复行而派生出一个结果表&lt;br /&gt;
(select a from tableA ) except (select a from tableB) except (select a from tableC)&lt;/p&gt;
&lt;p&gt;17、说明：随机取出10条数据&lt;br /&gt;
select top 10 * from tablename order by newid()&lt;/p&gt;
&lt;p&gt;18、说明：随机选择记录&lt;br /&gt;
select newid()&lt;/p&gt;
&lt;p&gt;19、说明：删除重复记录&lt;br /&gt;
Delete from tablename where id not in (select max(id) from tablename group by col1,col2,&amp;#8230;)&lt;/p&gt;
&lt;p&gt;20、说明：列出数据库里所有的表名&lt;br /&gt;
select name from sysobjects where type=&amp;#8217;U&amp;#8217;&lt;br /&gt;
delete from table1 where not exists ( select * from table2 where table1.field1=table2.field1 )&lt;br /&gt;
select * from sysobjects where xtype=&amp;#8217;tr&amp;#8217; &amp;#8211;返回库中触发器&lt;br /&gt;
select * from sysobjects where xtype=&amp;#8217;U'   &amp;#8211;返回库中用户表&lt;br /&gt;
dinoLgrace(淡泊以明志，宁静而致远)&lt;br /&gt;
24、说明：选择从10到15的记录&lt;br /&gt;
select top 5 * from (select top 15 * from table order by id asc) table_别名 order by id desc&lt;/p&gt;
&lt;p&gt;好聪明的语句&lt;/p&gt;
&lt;p&gt;在CSDN上學到了一些&lt;br /&gt;
1.日期算當月天數:&lt;br /&gt;
select Day(dateadd(day,-1,convert(datetime,convert(char(07),dateadd(m,1,getdate()),120)+&amp;#8217;-01&amp;#8242;)))&lt;br /&gt;
select 32-Day(getdate()+(32-Day(getdate())))&lt;/p&gt;
&lt;p&gt;2.簡單的分割字串:&lt;br /&gt;
用&amp;#8217; union all select &amp;#8216;replace&amp;#8217;分割符&amp;#8217;&lt;/p&gt;
&lt;p&gt;3&amp;#8230;.&lt;/p&gt;
&lt;p&gt;Order By可以指定列序而不用指定列名,在下面的例子里说明它的用处(注意,第三列未指定别名)&lt;br /&gt;
Select a.ID,a.Name,(Select Count(*) From TableB b Where a.ID=b.PID) From TableA a Order By 3&lt;/p&gt;
&lt;p&gt;&amp;#8211;修改用户数据库的排序规则&lt;br /&gt;
ater database dbname collate SQL_Latin1_General_CP1_CI_AS&lt;br /&gt;
&amp;#8211;修改字段的排序规则&lt;br /&gt;
alter table a alter column c2 varchar(50) collate SQL_Latin1_General_CP1_CI_AS&lt;br /&gt;
&amp;#8211;按姓氏笔画排序&lt;br /&gt;
select * from 表名 order by 列名 Collate Chinese_PRC_Stroke_ci_as&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;&amp;#8211;按拼音首字母排序&lt;br /&gt;
select * from 表名 order by 列名 Collate Chinese_PRC_CS_AS_KS_WS&lt;br /&gt;
&amp;#8211;查找一个Server下含有某个表名的数据库名字&lt;br /&gt;
EXEC sp_msforeachdb &amp;#8216;&lt;br /&gt;
USE [?]&lt;br /&gt;
IF OBJECT_ID(N&amp;#8221;表名&amp;#8221;) IS NOT NULL&lt;br /&gt;
PRINT N&amp;#8221;?&amp;#8221;&amp;#8217;&lt;br /&gt;
&amp;#8211;查询所有表名、字段名及字段描述&lt;br /&gt;
select&lt;br /&gt;
表名=object_name(id),&lt;br /&gt;
列名=col_name(object_id(object_name(id)),smallid),&lt;br /&gt;
描述=value&lt;br /&gt;
from   sysproperties&lt;br /&gt;
&amp;#8211;查询所有表的记录数明细&lt;br /&gt;
&amp;#8211;方法(1)&lt;br /&gt;
select&lt;br /&gt;
a.name,b.rows&lt;br /&gt;
from&lt;br /&gt;
sysobjects a, sysindexes b&lt;br /&gt;
where&lt;br /&gt;
a.name=b.name and   a.type=&amp;#8217;u&amp;#8217;&lt;br /&gt;
&amp;#8211;方法(2)&lt;br /&gt;
sp_msforeachtable &amp;#8216;select &amp;#8221;?&amp;#8221; as &amp;#8221;表名&amp;#8221;,(select sum(1) from ?) as &amp;#8221;记录数&amp;#8221;&amp;#8217;&lt;br /&gt;
&amp;#8211;复制表(表结构)&lt;br /&gt;
&amp;#8211;方法(1)&lt;br /&gt;
select * into Employee_bak from Employee where 1&amp;lt;&amp;gt;1&lt;br /&gt;
&amp;#8211;方法(2)&lt;br /&gt;
select top 0 * into Employee_bak from Employee&lt;br /&gt;
&amp;#8211;方法(3)&lt;br /&gt;
&amp;#8211;企业管理器中的右键表&amp;#8211;&amp;gt;复制,然后在查询分析器中粘贴查看SQL语句&lt;br /&gt;
&amp;#8211;判断两字符是否完全(区分大小写)相等(如何判断字符的大小写)&lt;br /&gt;
declare   @v   nvarchar(10)&lt;br /&gt;
declare   @p   nvarchar(10)&lt;br /&gt;
set   @v=&amp;#8217;NIPSAN&amp;#8217;&lt;br /&gt;
if   cast(@v as   varbinary)= cast(@p as varbinary)&lt;br /&gt;
print N&amp;#8217;相等&amp;#8217;&lt;br /&gt;
else&lt;br /&gt;
print N&amp;#8217;不等&amp;#8217;&lt;br /&gt;
&amp;#8211;得到数据库中所有表的空间/记录情况&lt;br /&gt;
exec sp_MSForEachTable&lt;br /&gt;
@precommand=N&amp;#8217;&lt;br /&gt;
create table ##(&lt;br /&gt;
id int identity,&lt;br /&gt;
表名 sysname,&lt;br /&gt;
字段数 int,&lt;br /&gt;
记录数 int,&lt;br /&gt;
保留空间 Nvarchar(10),&lt;br /&gt;
使用空间 varchar(10),&lt;br /&gt;
索引使用空间 varchar(10),&lt;br /&gt;
未用空间 varchar(10))&amp;#8217;,&lt;br /&gt;
@command1=N&amp;#8217;insert ##(表名,记录数,保留空间,使用空间,索引使用空间,未用空间) exec sp_spaceused &amp;#8221;?&amp;#8221;&lt;/p&gt;
&lt;p&gt;update ## set 字段数=(select count(*) from syscolumns where id=object_id(&amp;#8221;?&amp;#8221;))&lt;br /&gt;
where id=scope_identity()&amp;#8217;, @postcommand=N&amp;#8217;select * from ## order by id drop table ##&amp;#8217;&lt;br /&gt;
&amp;#8211;查看硬盘分区:&lt;br /&gt;
EXEC master..xp_fixeddrives&lt;br /&gt;
&amp;#8211;Order By的一个小技巧&lt;br /&gt;
/*&lt;br /&gt;
Order By可以指定列序而不用指定列名,在下面的例子里说明它的用处(注意,第三列未指定别名)&lt;br /&gt;
Select a.ID,a.Name,(Select Count(*) From TableB b Where a.ID=b.PID) From TableA a Order By 3&lt;br /&gt;
*/&lt;br /&gt;
表结构新&lt;/p&gt;
&lt;p&gt;SELECT&lt;br /&gt;
表名=case when a.colorder=1 then d.name else &amp;#8221; end,&lt;br /&gt;
表说明=case when a.colorder=1 then isnull(f.value,&amp;#8221;) else &amp;#8221; end,&lt;br /&gt;
字段序号=a.colorder,&lt;br /&gt;
字段名=a.name,&lt;br /&gt;
标识=case when COLUMNPROPERTY( a.id,a.name,&amp;#8217;IsIdentity&amp;#8217;)=1 then &amp;#8216;√&amp;#8217;else &amp;#8221; end,&lt;br /&gt;
主键=case when exists(SELECT 1 FROM sysobjects where xtype=&amp;#8217;PK&amp;#8217; and parent_obj=a.id and name in (&lt;br /&gt;
SELECT name FROM sysindexes WHERE indid in(&lt;br /&gt;
SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid&lt;br /&gt;
))) then &amp;#8216;√&amp;#8217; else &amp;#8221; end,&lt;br /&gt;
类型=b.name,&lt;br /&gt;
占用字节数=a.length,&lt;br /&gt;
长度=COLUMNPROPERTY(a.id,a.name,&amp;#8217;PRECISION&amp;#8217;),&lt;br /&gt;
小数位数=isnull(COLUMNPROPERTY(a.id,a.name,&amp;#8217;Scale&amp;#8217;),0),&lt;br /&gt;
允许空=case when a.isnullable=1 then &amp;#8216;√&amp;#8217;else &amp;#8221; end,&lt;br /&gt;
默认值=isnull(e.text,&amp;#8221;),&lt;br /&gt;
字段说明=isnull(g.[value],&amp;#8221;),&lt;br /&gt;
索引名称=isnull(h.索引名称,&amp;#8221;),&lt;br /&gt;
索引顺序=isnull(h.排序,&amp;#8221;)&lt;br /&gt;
FROM syscolumns a&lt;br /&gt;
left join systypes b on a.xtype=b.xusertype&lt;br /&gt;
inner join sysobjects d on a.id=d.id   and d.xtype=&amp;#8217;U&amp;#8217; and d.status&amp;gt;=0&lt;br /&gt;
left join syscomments e on a.cdefault=e.id&lt;br /&gt;
left join sysproperties g on a.id=g.id and a.colid=g.smallid&lt;br /&gt;
left join sysproperties f on d.id=f.id and f.smallid=0&lt;br /&gt;
left join(&amp;#8211;这部分是索引信息,如果要显示索引与表及字段的对应关系,可以只要此部分&lt;br /&gt;
select 索引名称=a.name,c.id,d.colid&lt;br /&gt;
,排序=case indexkey_property(c.id,b.indid,b.keyno,&amp;#8217;isdescending&amp;#8217;)&lt;br /&gt;
when 1 then &amp;#8216;降序&amp;#8217; when 0 then &amp;#8216;升序&amp;#8217; end&lt;br /&gt;
from sysindexes a&lt;br /&gt;
join sysindexkeys b on a.id=b.id and a.indid=b.indid&lt;br /&gt;
join (&amp;#8211;这里的作用是有多个索引时,取索引号最小的那个&lt;br /&gt;
select id,colid,indid=min(indid) from sysindexkeys&lt;br /&gt;
group by id,colid) b1 on b.id=b1.id and b.colid=b1.colid and b.indid=b1.indid&lt;br /&gt;
join sysobjects c on b.id=c.id and c.xtype=&amp;#8217;U&amp;#8217; and c.status&amp;gt;=0&lt;br /&gt;
join syscolumns d on b.id=d.id and b.colid=d.colid&lt;br /&gt;
where a.indid not in(0,255)&lt;br /&gt;
) h on a.id=h.id and a.colid=h.colid&lt;br /&gt;
&amp;#8211;where d.name=&amp;#8217;要查询的表&amp;#8217;     &amp;#8211;如果只查询指定表,加上此条件&lt;br /&gt;
order by a.id,a.colorder&lt;/p&gt;
&lt;p&gt;&amp;#8211;索引信息&lt;/p&gt;
&lt;p&gt;&amp;#8211;索引信息&lt;br /&gt;
select 索引名称=case when b.keyno=1 then a.name else &amp;#8221; end&lt;br /&gt;
,表名=case when b.keyno=1 then c.name else &amp;#8221; end&lt;br /&gt;
,列名=d.name&lt;br /&gt;
,排序=case indexkey_property(c.id,b.indid,b.keyno,&amp;#8217;isdescending&amp;#8217;)&lt;br /&gt;
when 1 then &amp;#8216;降序&amp;#8217; when 0 then &amp;#8216;升序&amp;#8217; end&lt;br /&gt;
,聚集=INDEXPROPERTY(c.id,a.name,&amp;#8217;IsClustered&amp;#8217;)&lt;br /&gt;
,唯一=case INDEXPROPERTY(c.id,a.name,&amp;#8217;IsUnique&amp;#8217;)&lt;br /&gt;
when 0 then &amp;#8216;非唯一&amp;#8217;&lt;br /&gt;
when 1 then case when e.id is null then &amp;#8216;唯一索引&amp;#8217; else &amp;#8216;唯一约束&amp;#8217; end&lt;br /&gt;
end&lt;br /&gt;
,e.name&lt;br /&gt;
,填充因子=a.OrigFillFactor&lt;br /&gt;
from sysindexes a&lt;br /&gt;
join sysindexkeys b on a.id=b.id and a.indid=b.indid&lt;br /&gt;
&amp;#8211;join (&amp;#8211;这里的作用是有多个索引时,取索引号最小的那个&lt;br /&gt;
&amp;#8211;select id,colid,indid=min(indid) from sysindexkeys&lt;br /&gt;
&amp;#8211;group by id,colid) b1 on b.id=b1.id and b.colid=b1.colid and b.indid=b1.indid&lt;br /&gt;
join sysobjects c on b.id=c.id and c.xtype=&amp;#8217;U&amp;#8217; and c.status&amp;gt;=0&lt;br /&gt;
join syscolumns d on b.id=d.id and b.colid=d.colid&lt;br /&gt;
left join sysobjects e on b.indid=e.id and e.xtype=&amp;#8217;UQ&amp;#8217;&lt;br /&gt;
where a.indid not in(0,255)&lt;br /&gt;
order by c.name,a.name&lt;/p&gt;
&lt;p&gt;找出表中某一列相同的数据行&lt;br /&gt;
select *from table where (column in(select column from table group ny column having count(*)&amp;gt;1)&lt;/p&gt;
&lt;p&gt;找出表中某一列相同的数据行&lt;br /&gt;
select *from table where (column in(select column from table group by column having count(*)&amp;gt;1)&lt;/p&gt;
&lt;p&gt;刚才BY写错拉!&lt;br /&gt;
&amp;#8211;1、查找员工的编号、姓名、部门和出生日期，如果出生日期为空值，&lt;br /&gt;
&amp;#8211;显示日期不详,并按部门排序输出,日期格式为yyyy-mm-dd。&lt;br /&gt;
select emp_no ,emp_name ,dept ,&lt;br /&gt;
isnull(convert(char(10),birthday,120),&amp;#8217;日期不详&amp;#8217;) birthday&lt;br /&gt;
from employee&lt;br /&gt;
order by dept&lt;/p&gt;
&lt;p&gt;&amp;#8211;2、查找与喻自强在同一个单位的员工姓名、性别、部门和职称&lt;br /&gt;
select emp_no,emp_name,dept,title&lt;br /&gt;
from employee&lt;br /&gt;
where emp_name&amp;lt;&amp;gt;&amp;#8217;喻自强&amp;#8217; and dept in&lt;br /&gt;
(select dept from employee&lt;br /&gt;
where emp_name=&amp;#8217;喻自强&amp;#8217;)&lt;/p&gt;
&lt;p&gt;&amp;#8211;3、按部门进行汇总，统计每个部门的总工资&lt;br /&gt;
select dept,sum(salary)&lt;br /&gt;
from employee&lt;br /&gt;
group by dept&lt;/p&gt;
&lt;p&gt;&amp;#8211;4、查找商品名称为14寸显示器商品的销售情况，&lt;br /&gt;
&amp;#8211;显示该商品的编号、销售数量、单价和金额&lt;br /&gt;
select a.prod_id,qty,unit_price,unit_price*qty totprice&lt;br /&gt;
from sale_item a,product b&lt;br /&gt;
where a.prod_id=b.prod_id and prod_name=&amp;#8217;14寸显示器&amp;#8217;&lt;/p&gt;
&lt;p&gt;&amp;#8211;5、在销售明细表中按产品编号进行汇总，统计每种产品的销售数量和金额&lt;br /&gt;
select prod_id,sum(qty) totqty,sum(qty*unit_price) totprice&lt;br /&gt;
from sale_item&lt;br /&gt;
group by prod_id&lt;/p&gt;
&lt;p&gt;&amp;#8211;6、使用convert函数按客户编号统计每个客户1996年的订单总金额&lt;br /&gt;
select cust_id,sum(tot_amt) totprice&lt;br /&gt;
from sales&lt;br /&gt;
where convert(char(4),order_date,120)=&amp;#8217;1996&amp;#8242;&lt;br /&gt;
group by cust_id&lt;/p&gt;
&lt;p&gt;&amp;#8211;7、查找有销售记录的客户编号、名称和订单总额&lt;br /&gt;
select a.cust_id,cust_name,sum(tot_amt) totprice&lt;br /&gt;
from customer a,sales b&lt;br /&gt;
where a.cust_id=b.cust_id&lt;br /&gt;
group by a.cust_id,cust_name&lt;/p&gt;
&lt;p&gt;&amp;#8211;8、查找在1997年中有销售记录的客户编号、名称和订单总额&lt;br /&gt;
select a.cust_id,cust_name,sum(tot_amt) totprice&lt;br /&gt;
from customer a,sales b&lt;br /&gt;
where a.cust_id=b.cust_id and convert(char(4),order_date,120)=&amp;#8217;1997&amp;#8242;&lt;br /&gt;
group by a.cust_id,cust_name&lt;/p&gt;
&lt;p&gt;&amp;#8211;9、查找一次销售最大的销售记录&lt;br /&gt;
select order_no,cust_id,sale_id,tot_amt&lt;br /&gt;
from sales&lt;br /&gt;
where tot_amt=&lt;br /&gt;
(select max(tot_amt)&lt;br /&gt;
from sales)&lt;/p&gt;
&lt;p&gt;&amp;#8211;10、查找至少有3次销售的业务员名单和销售日期&lt;br /&gt;
select emp_name,order_date&lt;br /&gt;
from employee a,sales b&lt;br /&gt;
where emp_no=sale_id and a.emp_no in&lt;br /&gt;
(select sale_id&lt;br /&gt;
from sales&lt;br /&gt;
group by sale_id&lt;br /&gt;
having count(*)&amp;gt;=3)&lt;br /&gt;
order by emp_name&lt;/p&gt;
&lt;p&gt;&amp;#8211;11、用存在量词查找没有订货记录的客户名称&lt;br /&gt;
select cust_name&lt;br /&gt;
from customer a&lt;br /&gt;
where not exists&lt;br /&gt;
(select *&lt;br /&gt;
from sales b&lt;br /&gt;
where a.cust_id=b.cust_id)&lt;/p&gt;
&lt;p&gt;&amp;#8211;12、使用左外连接查找每个客户的客户编号、名称、订货日期、订单金额&lt;br /&gt;
&amp;#8211;订货日期不要显示时间，日期格式为yyyy-mm-dd&lt;br /&gt;
&amp;#8211;按客户编号排序，同一客户再按订单降序排序输出&lt;br /&gt;
select a.cust_id,cust_name,convert(char(10),order_date,120),tot_amt&lt;br /&gt;
from customer a left outer join sales b on a.cust_id=b.cust_id&lt;br /&gt;
order by a.cust_id,tot_amt desc&lt;/p&gt;
&lt;p&gt;&amp;#8211;13、查找16M DRAM的销售情况，要求显示相应的销售员的姓名、&lt;br /&gt;
&amp;#8211;性别，销售日期、销售数量和金额，其中性别用男、女表示&lt;br /&gt;
select emp_name 姓名, 性别= case a.sex   when &amp;#8216;m&amp;#8217; then &amp;#8216;男&amp;#8217;&lt;br /&gt;
when &amp;#8216;f&amp;#8217; then &amp;#8216;女&amp;#8217;&lt;br /&gt;
else &amp;#8216;未&amp;#8217;&lt;br /&gt;
end,&lt;br /&gt;
销售日期= isnull(convert(char(10),c.order_date,120),&amp;#8217;日期不详&amp;#8217;),&lt;br /&gt;
qty 数量, qty*unit_price as 金额&lt;br /&gt;
from employee a, sales b, sale_item c,product d&lt;br /&gt;
where d.prod_name=&amp;#8217;16M DRAM&amp;#8217; and d.pro_id=c.prod_id and&lt;br /&gt;
a.emp_no=b.sale_id and b.order_no=c.order_no&lt;/p&gt;
&lt;p&gt;&amp;#8211;14、查找每个人的销售记录，要求显示销售员的编号、姓名、性别、&lt;br /&gt;
&amp;#8211;产品名称、数量、单价、金额和销售日期&lt;br /&gt;
select emp_no 编号,emp_name 姓名, 性别= case a.sex when &amp;#8216;m&amp;#8217; then &amp;#8216;男&amp;#8217;&lt;br /&gt;
when &amp;#8216;f&amp;#8217; then &amp;#8216;女&amp;#8217;&lt;br /&gt;
else &amp;#8216;未&amp;#8217;&lt;br /&gt;
end,&lt;br /&gt;
prod_name 产品名称,销售日期= isnull(convert(char(10),c.order_date,120),&amp;#8217;日期不详&amp;#8217;),&lt;br /&gt;
qty 数量, qty*unit_price as 金额&lt;br /&gt;
from employee a left outer join sales b on a.emp_no=b.sale_id , sale_item c,product d&lt;br /&gt;
where d.pro_id=c.prod_id and b.order_no=c.order_no&lt;/p&gt;
&lt;p&gt;&amp;#8211;15、查找销售金额最大的客户名称和总货款&lt;br /&gt;
select cust_name,d.cust_sum&lt;br /&gt;
from    customer a,&lt;br /&gt;
(select cust_id,cust_sum&lt;br /&gt;
from (select cust_id, sum(tot_amt) as cust_sum&lt;br /&gt;
from sales&lt;br /&gt;
group by cust_id ) b&lt;br /&gt;
where b.cust_sum =&lt;br /&gt;
( select max(cust_sum)&lt;br /&gt;
from (select cust_id, sum(tot_amt) as cust_sum&lt;br /&gt;
from sales&lt;br /&gt;
group by cust_id ) c )&lt;br /&gt;
) d&lt;br /&gt;
where a.cust_id=d.cust_id&lt;/p&gt;
&lt;p&gt;&amp;#8211;16、查找销售总额少于1000元的销售员编号、姓名和销售额&lt;br /&gt;
select emp_no,emp_name,d.sale_sum&lt;br /&gt;
from    employee a,&lt;br /&gt;
(select sale_id,sale_sum&lt;br /&gt;
from (select sale_id, sum(tot_amt) as sale_sum&lt;br /&gt;
from sales&lt;br /&gt;
group by sale_id ) b&lt;br /&gt;
where b.sale_sum &amp;lt;1000&lt;br /&gt;
) d&lt;br /&gt;
where a.emp_no=d.sale_id&lt;/p&gt;
&lt;p&gt;&amp;#8211;17、查找至少销售了3种商品的客户编号、客户名称、商品编号、商品名称、数量和金额&lt;br /&gt;
select a.cust_id,cust_name,b.prod_id,prod_name,d.qty,d.qty*d.unit_price&lt;br /&gt;
from customer a, product b, sales c, sale_item d&lt;br /&gt;
where a.cust_id=c.cust_id and d.prod_id=b.prod_id and&lt;br /&gt;
c.order_no=d.order_no and a.cust_id in (&lt;br /&gt;
select cust_id&lt;br /&gt;
from   (select cust_id,count(distinct prod_id) prodid&lt;br /&gt;
from (select cust_id,prod_id&lt;br /&gt;
from sales e,sale_item f&lt;br /&gt;
where e.order_no=f.order_no) g&lt;br /&gt;
group by cust_id&lt;br /&gt;
having count(distinct prod_id)&amp;gt;=3) h )&lt;/p&gt;
&lt;p&gt;&amp;#8211;18、查找至少与世界技术开发公司销售相同的客户编号、名称和商品编号、商品名称、数量和金额&lt;br /&gt;
select a.cust_id,cust_name,d.prod_id,prod_name,qty,qty*unit_price&lt;br /&gt;
from customer a, product b, sales c, sale_item d&lt;br /&gt;
where a.cust_id=c.cust_id and d.prod_id=b.prod_id and&lt;br /&gt;
c.order_no=d.order_no   and not exists&lt;br /&gt;
(select f.*&lt;br /&gt;
from customer x ,sales e, sale_item f&lt;br /&gt;
where cust_name=&amp;#8217;世界技术开发公司&amp;#8217; and x.cust_id=e.cust_id and&lt;br /&gt;
e.order_no=f.order_no and not exists&lt;br /&gt;
( select g.*&lt;br /&gt;
from sale_item g, sales   h&lt;br /&gt;
where g.prod_id = f.prod_id and g.order_no=h.order_no and&lt;br /&gt;
h.cust_id=a.cust_id)&lt;br /&gt;
)&lt;/p&gt;
&lt;p&gt;19、查找表中所有姓刘的职工的工号，部门，薪水&lt;br /&gt;
select emp_no,emp_name,dept,salary&lt;br /&gt;
from employee&lt;br /&gt;
where emp_name like &amp;#8216;刘%&amp;#8217;&lt;/p&gt;
&lt;p&gt;20、查找所有定单金额高于20000的所有客户编号&lt;br /&gt;
select cust_id&lt;br /&gt;
from sales&lt;br /&gt;
where tot_amt&amp;gt;20000&lt;/p&gt;
&lt;p&gt;21、统计表中员工的薪水在40000-60000之间的人数&lt;br /&gt;
select count(*)as 人数&lt;br /&gt;
from employee&lt;br /&gt;
where salary between 40000 and 60000&lt;/p&gt;
&lt;p&gt;22、查询表中的同一部门的职工的平均工资，但只查询＂住址＂是＂上海市＂的员工&lt;br /&gt;
select avg(salary) avg_sal,dept&lt;br /&gt;
from employee&lt;br /&gt;
where addr like &amp;#8216;上海市%&amp;#8217;&lt;br /&gt;
group by dept&lt;/p&gt;
&lt;p&gt;23、将表中住址为&amp;#8221;上海市&amp;#8221;的员工住址改为&amp;#8221;北京市&amp;#8221;&lt;br /&gt;
update employee&lt;br /&gt;
set addr like &amp;#8216;北京市&amp;#8217;&lt;br /&gt;
where addr like &amp;#8216;上海市&amp;#8217;&lt;/p&gt;
&lt;p&gt;24、查找业务部或会计部的女员工的基本信息。&lt;br /&gt;
select emp_no,emp_name,dept&lt;br /&gt;
from employee&lt;br /&gt;
where sex=&amp;#8217;F'and dept in (&amp;#8216;业务&amp;#8217;,'会计&amp;#8217;)&lt;/p&gt;
&lt;p&gt;25、显示每种产品的销售金额总和，并依销售金额由大到小输出。&lt;br /&gt;
select prod_id ,sum(qty*unit_price)&lt;br /&gt;
from sale_item&lt;br /&gt;
group by prod_id&lt;br /&gt;
order by sum(qty*unit_price) desc&lt;br /&gt;
26、选取编号界于‘C0001’和‘C0004’的客户编号、客户名称、客户地址。&lt;br /&gt;
select CUST_ID,cust_name,addr&lt;br /&gt;
from customer&lt;br /&gt;
where cust_id between &amp;#8216;C0001&amp;#8242; AND &amp;#8216;C0004&amp;#8242;&lt;/p&gt;
&lt;p&gt;27、计算出一共销售了几种产品。&lt;br /&gt;
select count(distinct prod_id) as &amp;#8216;共销售产品数&amp;#8217;&lt;br /&gt;
from sale_item&lt;/p&gt;
&lt;p&gt;28、将业务部员工的薪水上调3%。&lt;br /&gt;
update employee&lt;br /&gt;
set salary=salary*1.03&lt;br /&gt;
where dept=&amp;#8217;业务&amp;#8217;&lt;/p&gt;
&lt;p&gt;29、由employee表中查找出薪水最低的员工信息。&lt;br /&gt;
select *&lt;br /&gt;
from employee&lt;br /&gt;
where salary=&lt;br /&gt;
(select min(salary )&lt;br /&gt;
from employee )&lt;/p&gt;
&lt;p&gt;30、使用join查询客户姓名为&amp;#8221;客户丙&amp;#8221;所购货物的&amp;#8221;客户名称&amp;#8221;,&amp;#8221;定单金额&amp;#8221;,&amp;#8221;定货日期&amp;#8221;,&amp;#8221;电话号码&amp;#8221;&lt;br /&gt;
select a.cust_id,b.tot_amt,b.order_date,a.tel_no&lt;br /&gt;
from customer a join sales b&lt;br /&gt;
on a.cust_id=b.cust_id and cust_name like &amp;#8216;客户丙&amp;#8217;&lt;/p&gt;
&lt;p&gt;31、由sales表中查找出订单金额大于“E0013业务员在1996/10/15这天所接每一张订单的金额”的所有订单。&lt;br /&gt;
select *&lt;br /&gt;
from sales&lt;br /&gt;
where tot_amt&amp;gt;all&lt;br /&gt;
(select tot_amt&lt;br /&gt;
from sales&lt;br /&gt;
where sale_id=&amp;#8217;E0013&amp;#8242;and order_date=&amp;#8217;1996/10/15&amp;#8242;)&lt;br /&gt;
order by tot_amt&lt;/p&gt;
&lt;p&gt;32、计算&amp;#8217;P0001&amp;#8242;产品的平均销售单价&lt;br /&gt;
select avg(unit_price)&lt;br /&gt;
from sale_item&lt;br /&gt;
where prod_id=&amp;#8217;P0001&amp;#8242;&lt;/p&gt;
&lt;p&gt;33、找出公司女员工所接的定单&lt;br /&gt;
select sale_id,tot_amt&lt;br /&gt;
from sales&lt;br /&gt;
where sale_id in&lt;br /&gt;
(select sale_id from employee&lt;br /&gt;
where sex=&amp;#8217;F')&lt;/p&gt;
&lt;p&gt;34、找出同一天进入公司服务的员工&lt;br /&gt;
select a.emp_no,a.emp_name,a.date_hired&lt;br /&gt;
from employee a&lt;br /&gt;
join employee b&lt;br /&gt;
on (a.emp_no!=b.emp_no and a.date_hired=b.date_hired)&lt;br /&gt;
order by a.date_hired&lt;/p&gt;
&lt;p&gt;35、找出目前业绩超过232000元的员工编号和姓名。&lt;br /&gt;
select emp_no,emp_name&lt;br /&gt;
from employee&lt;br /&gt;
where emp_no in&lt;br /&gt;
(select sale_id&lt;br /&gt;
from sales&lt;br /&gt;
group by sale_id&lt;br /&gt;
having sum(tot_amt)&amp;lt;232000)&lt;/p&gt;
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&lt;p&gt;tar.z   命令: tar -zxvf  *.tar.z&lt;/p&gt;
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&lt;/table&gt;&lt;img src=&quot;http://www1.feedsky.com/t1/563124822/webcomgo/feedsky/s.gif?r=http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124822/6434971/1/item.html&quot; border=&quot;0&quot; height=&quot;0&quot; width=&quot;0&quot; style=&quot;position:absolute&quot; /&gt;</description><category>Linux 使用指南</category><category>Linux</category><category>Linux 操作系统</category><pubDate>Sat, 03 Sep 2011 22:10:22 +0800</pubDate><author>网来网去</author><comments>http://www.webcomgo.com/archives/10939#comments</comments><guid isPermaLink="false">http://www.webcomgo.com/?p=10939</guid><dc:creator>网来网去</dc:creator><fs:srclink>http://www.webcomgo.com/archives/10939</fs:srclink><fs:srcfeed>http://www.webcomgo.com/feed</fs:srcfeed><fs:itemid>feedsky/webcomgo/~8331573/563124822/6434971</fs:itemid></item><item><title>linux下怎么退出telnet</title><link>http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124823/6434971/1/item.html</link><content:encoded>&lt;blockquote&gt;&lt;p&gt;在运维过程中，常常会telnet某个ip端口，如果 能telnet通，怎么退出呢 ？&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;1、telnet 63.172.25.18 6463 回车&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;Trying 63.172.25.18&amp;#8230;&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;Connected to 63.172.25.18 (63.172.25.18).&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;Escape character is &amp;#8216;^]&amp;#8217;.&lt;span id=&quot;more-10936&quot;&gt;&lt;/span&gt;&lt;/p&gt;&lt;/blockquote&gt;
&lt;/blockquote&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;blockquote&gt;&lt;p&gt;2、ctrl + ] 回车&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;telnet&amp;gt;&lt;/p&gt;&lt;/blockquote&gt;
&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;3、? 回车&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;close           close current connection&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;logout          forcibly logout remote user and close the connection&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;display         display operating parameters&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;mode            try to enter line or character mode (&amp;#8216;mode ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;open            connect to a site&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;quit            exit telnet&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;send            transmit special characters (&amp;#8216;send ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;set             set operating parameters (&amp;#8216;set ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;unset           unset operating parameters (&amp;#8216;unset ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;status          print status information&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;toggle          toggle operating parameters (&amp;#8216;toggle ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;slc             change state of special charaters (&amp;#8216;slc ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;auth            turn on (off) authentication (&amp;#8216;auth ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;encrypt         turn on (off) encryption (&amp;#8216;encrypt ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;forward         turn on (off) credential forwarding (&amp;#8216;forward ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;z               suspend telnet&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;!               invoke a subshell&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;environ         change environment variables (&amp;#8216;environ ?&amp;#8217; for more)&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;?               print help information&lt;/p&gt;&lt;/blockquote&gt;
&lt;/blockquote&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;blockquote&gt;&lt;p&gt;4、quit 回车&lt;/p&gt;&lt;/blockquote&gt;
&lt;blockquote&gt;
&lt;blockquote&gt;&lt;p&gt;Connection closed.&lt;/p&gt;&lt;/blockquote&gt;
&lt;/blockquote&gt;
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&amp;lt;title&amp;gt;鼠标点击文本框后，里面的文字就消失或全选中&amp;lt;/title&amp;gt; &lt;span id=&quot;more-10933&quot;&gt;&lt;/span&gt;&lt;br /&gt;
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鼠标点击文字消失：&amp;lt;input name=&amp;#8221;textfield&amp;#8221; style=&amp;#8221;color:#CCC;&amp;#8221; type=&amp;#8221;text&amp;#8221; value=&amp;#8221;点击文字消失&amp;#8221; size=&amp;#8221;12&amp;#8243; onclick=&amp;#8221;value=&amp;#8221;;focus()&amp;#8221; /&amp;gt;&lt;br /&gt;
&amp;lt;br/&amp;gt; &amp;lt;br/&amp;gt;&lt;br /&gt;
鼠标点击文字选中：&amp;lt;input name=&amp;#8221;textfield&amp;#8221; type=&amp;#8221;text&amp;#8221; value=&amp;#8221;点击文字选中&amp;#8221; size=&amp;#8221;12&amp;#8243; onclick=&amp;#8221;focus();select()&amp;#8221; /&amp;gt;&lt;br /&gt;
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&lt;/table&gt;&lt;img src=&quot;http://www1.feedsky.com/t1/563124824/webcomgo/feedsky/s.gif?r=http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124824/6434971/1/item.html&quot; border=&quot;0&quot; height=&quot;0&quot; width=&quot;0&quot; style=&quot;position:absolute&quot; /&gt;</description><category>Web应用</category><category>HTML</category><pubDate>Sat, 03 Sep 2011 20:31:03 +0800</pubDate><author>网来网去</author><comments>http://www.webcomgo.com/archives/10933#comments</comments><guid isPermaLink="false">http://www.webcomgo.com/?p=10933</guid><dc:creator>网来网去</dc:creator><fs:srclink>http://www.webcomgo.com/archives/10933</fs:srclink><fs:srcfeed>http://www.webcomgo.com/feed</fs:srcfeed><fs:itemid>feedsky/webcomgo/~8331573/563124824/6434971</fs:itemid></item><item><title>获得ip地理信息的几种方法【最全】</title><link>http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124825/6434971/1/item.html</link><content:encoded>&lt;h5&gt;第一种是利用纯真ip数据库，这个可以在网上找到很多，缺点是更新有点慢。&lt;/h5&gt;
&lt;h5&gt;第二种是利用门户网站的接口&lt;/h5&gt;
&lt;p&gt;目前已知的有腾讯、新浪、网易、搜狐和Google提供IP地址查询API，但是找得到的只有腾讯、新浪和网易的，Google的貌似要用Google Maps所以没有研究。看了下国内的几个腾讯提供的是JavaScript的，网易提供的是XML，而新浪的有多种格式可以用，注意非XML的数据源都是GBK格式的，不管是JavaScript调用还是PHP调用都要转换一下编码，不然得到的是乱码。而更需要注意的是，如果一次性查询多个IP，使用门户网站的API来查询会非常缓慢，我大概写了个for循环试了下，不管是用PHP解析XML还是file_get_contents()函数获取内容，查询10次以上会变得非常缓慢，甚至可能超时。&lt;span id=&quot;more-10930&quot;&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;腾讯的IP地址API接口地址：http://fw.qq.com/ipaddress，返回的是数据格式为：var IPData = new Array(&amp;#8220;123.124.2.85&amp;#8243;,&amp;#8221;&quot;,&amp;#8221;北京市&amp;#8221;,&amp;#8221;&quot;);，一个JavaScript的对象，目前还不知道如何输入IP查询。&lt;/p&gt;
&lt;p&gt;新浪的IP地址查询接口：http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&lt;/p&gt;
&lt;p&gt;新浪多地域测试方法：http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&amp;amp;ip=123.124.2.85&lt;/p&gt;
&lt;p&gt;网易有道的IP地址查询接口：http://www.youdao.com/smartresult-xml/search.s?type=ip&amp;amp;q=123.124.2.85&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;使用JS代码进行调取腾讯的api接口：&lt;br /&gt;
查看源代码打印帮&lt;br /&gt;
&amp;lt;script language=&amp;#8221;javascript&amp;#8221; type=&amp;#8221;text/javascript&amp;#8221; src=&amp;#8221;http://fw.qq.com/ipaddress&amp;#8221;&amp;gt;&amp;lt;/script&amp;gt;&lt;br /&gt;
&amp;lt;script&amp;gt;document.write(&amp;#8220;你的IP是：&amp;#8221;+IPData[0]+&amp;#8221;，来自：&amp;#8221;+IPData[2]);&amp;lt;/script&amp;gt;&lt;br /&gt;
//腾讯API的PHP调用方法&lt;br /&gt;
function getIpPlace(){&lt;br /&gt;
$ip=file_get_contents(&amp;#8220;http://fw.qq.com/ipaddress&amp;#8221;);&lt;br /&gt;
$ip=str_replace(&amp;#8216;&amp;#8221;&amp;#8216;,&amp;#8217; &amp;#8216;,$ip);&lt;br /&gt;
$ip2=explode(&amp;#8220;(&amp;#8220;,$ip);&lt;br /&gt;
$a=substr($ip2[1],0,-2);&lt;br /&gt;
$b=explode(&amp;#8220;,&amp;#8221;,$a);&lt;br /&gt;
return $b;&lt;br /&gt;
}&lt;br /&gt;
$ip=getIpPlace();&lt;br /&gt;
print_r($ip);&lt;br /&gt;
//调用查询接口需要抓取网页，有三种方法，第一种是curl，第二种是&lt;br /&gt;
//file_get_contents，第三种fopen-&amp;gt;fread-&amp;gt;fclose，推荐第二种方法&lt;br /&gt;
/*&lt;br /&gt;
*根据腾讯IP分享计划的地址获取IP所在地，比较精确&lt;br /&gt;
*/&lt;br /&gt;
function getIPLoc($queryIP){&lt;br /&gt;
$url = &amp;#8216;http://ip.qq.com/cgi-bin/searchip?searchip1=&amp;#8217;.$queryIP;&lt;br /&gt;
$ch = curl_init($url);&lt;br /&gt;
curl_setopt($ch,CURLOPT_ENCODING ,&amp;#8217;gb2312&amp;#8242;);&lt;br /&gt;
curl_setopt($ch, CURLOPT_TIMEOUT, 10);&lt;br /&gt;
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true) ; // 获取数据返回&lt;br /&gt;
$result = curl_exec($ch);&lt;br /&gt;
$result = mb_convert_encoding($result, &amp;#8220;utf-8&amp;#8243;, &amp;#8220;gb2312&amp;#8243;); // 编码转换，否则乱码&lt;br /&gt;
curl_close($ch);&lt;br /&gt;
preg_match(&amp;#8220;@&amp;lt;span&amp;gt;(.*)&amp;lt;/span&amp;gt;&amp;lt;/p&amp;gt;@iU&amp;#8221;,$result,$ipArray);&lt;br /&gt;
$loc = $ipArray[1];&lt;br /&gt;
return $loc;&lt;br /&gt;
}&lt;/p&gt;
&lt;p&gt;//根据腾讯接口查询ip地址,使用file_get_contents抓去网页&lt;br /&gt;
function getIPLoc($queryIP){&lt;br /&gt;
$url = &amp;#8216;http://ip.qq.com/cgi-bin/searchip?searchip1=&amp;#8217;.$queryIP;&lt;br /&gt;
$result = file_get_contents($url);&lt;br /&gt;
$result = mb_convert_encoding($result, &amp;#8220;utf-8&amp;#8243;, &amp;#8220;gb2312&amp;#8243;); // 编码转换，否则乱码&lt;br /&gt;
preg_match(&amp;#8220;@&amp;lt;span&amp;gt;(.*)&amp;lt;/span&amp;gt;&amp;lt;/p&amp;gt;@iU&amp;#8221;,$result,$ipArray);&lt;br /&gt;
$loc = $ipArray[1];&lt;br /&gt;
return $loc;&lt;br /&gt;
}&lt;br /&gt;
//根据腾讯接口查询ip地址,使用fopen-&amp;gt;fread-&amp;gt;fclose抓去网页&lt;br /&gt;
function getIPLoc($queryIP){&lt;br /&gt;
$url = &amp;#8216;http://ip.qq.com/cgi-bin/searchip?searchip1=&amp;#8217;.$queryIP;&lt;br /&gt;
$handle = fopen (&amp;#8220;$url&amp;#8221;, &amp;#8220;rb&amp;#8221;);&lt;br /&gt;
$result = &amp;#8220;&amp;#8221;;&lt;br /&gt;
do {&lt;br /&gt;
$data = fread($handle, 1024);&lt;br /&gt;
if (strlen($data) == 0) {&lt;br /&gt;
break;&lt;br /&gt;
}&lt;br /&gt;
$result .= $data;&lt;br /&gt;
} while(true);&lt;br /&gt;
$result = mb_convert_encoding($result, &amp;#8220;utf-8&amp;#8243;, &amp;#8220;gb2312&amp;#8243;); // 编码转换，否则乱码&lt;br /&gt;
preg_match(&amp;#8220;@&amp;lt;span&amp;gt;(.*)&amp;lt;/span&amp;gt;&amp;lt;/p&amp;gt;@iU&amp;#8221;,$result,$ipArray);&lt;br /&gt;
$loc = $ipArray[1];&lt;br /&gt;
return $loc;&lt;br /&gt;
}&lt;/p&gt;
&lt;p&gt;/********注：&lt;br /&gt;
1.使用file_get_contents和fopen必须空间开启allow_url_fopen。方法：编辑php.ini，设置allow_url_fopen = On，allow_url_fopen关闭时fopen和file_get_contents都不能打开远程文件。&lt;br /&gt;
2.使用curl必须空间开启curl。方法：windows下修改php.ini，将extension=php_curl.dll前面的分号去掉，而 且需要拷贝ssleay32.dll和libeay32.dll到C:\WINDOWS\system32下；Linux下要安装curl扩展*****/&lt;br /&gt;
//新浪查询ip接口  第五个第六个是地理信息&lt;br /&gt;
function getiploc($IP_ip){&lt;br /&gt;
$IP_str = @file_get_contents(&amp;#8216;http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip=&amp;#8217;.$IP_ip);&lt;br /&gt;
if(!empty($IP_str)){&lt;br /&gt;
$IP_tmp = explode(&amp;#8221;    &amp;#8221;, $IP_str);&lt;br /&gt;
$IP_city = iconv(&amp;#8220;GBK&amp;#8221;, &amp;#8220;UTF-8&amp;#8243;, $IP_tmp[5]);&lt;br /&gt;
return  $IP_city;&lt;br /&gt;
}&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;br /&gt;
//有道API的PHP调用方法&lt;br /&gt;
$url = &amp;#8220;http:www.youdao.com/smartresult-xml/search.s?type=ip&amp;amp;q=&amp;#8221;.$ip;&lt;br /&gt;
$doc = new DOMDocument();&lt;br /&gt;
$doc-&amp;gt;load($url);&lt;br /&gt;
$smartresult = $doc-&amp;gt;getElementsByTagName(&amp;#8220;product&amp;#8221;);&lt;br /&gt;
foreach($smartresult as $product)&lt;br /&gt;
{&lt;br /&gt;
$locations = $product-&amp;gt;getElementsByTagName(&amp;#8220;location&amp;#8221;);&lt;br /&gt;
$location = $locations-&amp;gt;item(0)-&amp;gt;nodeValue;&lt;br /&gt;
}&lt;br /&gt;
if($location != &amp;#8220;&amp;#8221;)&lt;br /&gt;
{&lt;br /&gt;
echo $i.&amp;#8221;.&amp;#8221;.$ip;&lt;br /&gt;
echo &amp;#8221;  来自&amp;#8221;.$location.&amp;#8221;的网友&amp;#8221;;&lt;br /&gt;
}&lt;br /&gt;
else&lt;br /&gt;
{&lt;br /&gt;
echo $i.&amp;#8221;.&amp;#8221;.$ip;&lt;br /&gt;
echo &amp;#8221;  来自火星的网友&amp;#8221;;&lt;br /&gt;
}&lt;br /&gt;
public function sinaIPApi($ip){&lt;br /&gt;
$str = file_get_contents(&amp;#8220;http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip=&amp;#8221;.$ip);&lt;br /&gt;
$str = iconv(&amp;#8220;gbk&amp;#8221;, &amp;#8220;utf-8//IGNORE&amp;#8221;, $str);&lt;br /&gt;
preg_match_all(&amp;#8220;/[\x{4e00}-\x{9fa5}]+/u&amp;#8221;,$str,$get);&lt;br /&gt;
$add = implode(&amp;#8221;,$get[0]);&lt;br /&gt;
return $add;&lt;br /&gt;
}&lt;br /&gt;
//$get是一个非常棒的二维数组&lt;/p&gt;
&lt;p&gt;其中有道和新浪的是我自己写的，新浪API也可以像腾讯API那样用file_get_contents()函数获取完地址后使用一连串的字符串函数处理，我写的函数使用正则表达式从新浪的返回结果中提供包含中文的字符串，并且分段存入一个二维数组，这个可能只是针对新浪的API有用并且存在bug。举个例子查询学校分配给我的IP地址后var_dump()一下函数里面的$get变量得到以下结果： array(1) { [0]=&amp;gt; array(6) { [0]=&amp;gt; string(6) &amp;#8220;中国&amp;#8221; [1]=&amp;gt; string(6) &amp;#8220;北京&amp;#8221; [2]=&amp;gt; string(6) &amp;#8220;北京&amp;#8221; [3]=&amp;gt; string(9) &amp;#8220;教育网&amp;#8221; [4]=&amp;gt; string(6) &amp;#8220;学校&amp;#8221; [5]=&amp;gt; string(18) &amp;#8220;中国地质大学&amp;#8221; } }，而函数输出的结果则是“中国北京北京教育网学校中国地质大学”，希望我的思路和方法能对别人有用。&lt;/p&gt;
&lt;p&gt;最后再次提醒，如果是WordPress请使用第一种方法，否则使用API同时查询所有留言者的真实地址会让PHP超时的，希望各路大牛有更好的方法，至于限制显示和显示方式等神马的都是WordPress应用问题，同时对于Java和C#来说思路也是一样的，这些后续的问题等我考完试再细说。&lt;/p&gt;
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document.getElementById(&amp;#8220;text3&amp;#8243;).disabled=true;&lt;br /&gt;
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&lt;p&gt;&lt;a href=&quot;http://www.bshare.cn/share?url=http%3A%2F%2Fwww.webcomgo.com%2Farchives%2F10927&amp;title=+js%E8%AE%BE%E8%AE%A1%E5%BD%93input%E5%9C%A8disable%E6%97%B6%E8%AE%BE%E8%AE%A1input%E7%9A%84%E8%83%8C%E6%99%AF%E9%A2%9C%E8%89%B2-----%3E%E9%80%82%E7%94%A8IE+%E7%81%AB%E7%8B%90%E6%B5%8F%E8%A7%88%E5%99%A8%EF%BC%81&quot; title=&quot;用bShare分享或收藏本文&quot;&gt;&lt;img src=&quot;http://static.bshare.cn/frame/images/button_custom1-zh.gif&quot; alt=&quot;用bShare分享或收藏本文&quot; /&gt;&lt;/a&gt;&lt;/p&gt;&lt;p  class=&quot;related_post_title&quot;&gt;最多留言日志&lt;/p&gt;&lt;ul class=&quot;related_post&quot;&gt;&lt;li&gt;&lt;a href=&quot;http://www.webcomgo.com/archives/5238&quot; title=&quot;月光的免费iPad应用软件推荐&quot;&gt;月光的免费iPad应用软件推荐&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;http://www.webcomgo.com/archives/9978&quot; title=&quot;全平台的 Chrome Dev 升级到 9.0.597.19&quot;&gt;全平台的 Chrome Dev 升级到 9.0.597.19&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;http://www.webcomgo.com/archives/6844&quot; 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document.getElementById(&amp;#8220;text2&amp;#8243;).disabled=false; document.getElementById(&amp;#8220;text3&amp;#8243;).disabled=true; document.getElementById(&amp;#8220;text1&amp;#8243;).style.backgroundColor=&amp;#8221;#e9e9e9&amp;#8243;; document.getElementById(&amp;#8220;text2&amp;#8243;).style.backgroundColor=&amp;#8221;#FFF&amp;#8221;; document.getElementById(&amp;#8220;text3&amp;#8243;).style.backgroundColor=&amp;#8221;#e9e9e9&amp;#8243;; } else if(document.getElementById(&amp;#8220;select_id&amp;#8221;).value==1) { document.getElementById(&amp;#8220;text1&amp;#8243;).disabled=false; document.getElementById(&amp;#8220;text2&amp;#8243;).disabled=true; document.getElementById(&amp;#8220;text3&amp;#8243;).disabled=true; document.getElementById(&amp;#8220;text1&amp;#8243;).style.backgroundColor=&amp;#8221;#FFF&amp;#8221;; document.getElementById(&amp;#8220;text2&amp;#8243;).style.backgroundColor=&amp;#8221;#e9e9e9&amp;#8243;; document.getElementById(&amp;#8220;text3&amp;#8243;).style.backgroundColor=&amp;#8221;#e9e9e9&amp;#8243;; } else { document.getElementById(&amp;#8220;text1&amp;#8243;).disabled=true; document.getElementById(&amp;#8220;text2&amp;#8243;).disabled=true; document.getElementById(&amp;#8220;text3&amp;#8243;).disabled=false; document.getElementById(&amp;#8220;text1&amp;#8243;).style.backgroundColor=&amp;#8221;#e9e9e9&amp;#8243;; document.getElementById(&amp;#8220;text2&amp;#8243;).style.backgroundColor=&amp;#8221;#e9e9e9&amp;#8243;; document.getElementById(&amp;#8220;text3&amp;#8243;).style.backgroundColor=&amp;#8221;#FFF&amp;#8221;; } } &amp;#60;/script&amp;#62; &amp;#60;/head&amp;#62; &amp;#60;body onLoad=&amp;#8221;my_change();&amp;#8221;&amp;#62; &amp;#60;table&amp;#62; &amp;#60;tr&amp;#62; &amp;#60;td&amp;#62; &amp;#60;select id=&amp;#8221;select_id&amp;#8221; name=&amp;#8221;select_id&amp;#8221; onChange=&amp;#8221;my_change();&amp;#8221;&amp;#62; [...]&lt;img src=&quot;http://www1.feedsky.com/t1/563124826/webcomgo/feedsky/s.gif?r=http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124826/6434971/1/item.html&quot; border=&quot;0&quot; height=&quot;0&quot; width=&quot;0&quot; style=&quot;position:absolute&quot; /&gt;</description><category>js</category><pubDate>Fri, 02 Sep 2011 23:23:47 +0800</pubDate><author>网来网去</author><comments>http://www.webcomgo.com/archives/10927#comments</comments><guid isPermaLink="false">http://www.webcomgo.com/?p=10927</guid><dc:creator>网来网去</dc:creator><fs:srclink>http://www.webcomgo.com/archives/10927</fs:srclink><fs:srcfeed>http://www.webcomgo.com/feed</fs:srcfeed><fs:itemid>feedsky/webcomgo/~8331573/563124826/6434971</fs:itemid></item><item><title>js传参机制</title><link>http://item.feedsky.com/~feedsky/webcomgo/~8331573/563124827/6434971/1/item.html</link><content:encoded>&lt;p&gt;.net 的Page_Load时间总是先于body的onload事件，因为Page_Load对应的是服务器，而body的onload对应的是客户端的。前几天一直研究怎么从在页面调用js，并且怎么在前台页调用js和传参，如何从后台变量传参到前台的js方法里面。&lt;/p&gt;
&lt;p&gt;假如Make()是js的一个方法，我们可以这样调用onload=&amp;#8221;Make(form1.txtName.value, form1.txtCall.value);&amp;#8221;  form1是表单名称，txtName\txtCall是控件的ID&lt;/p&gt;
&lt;p&gt;除此之前，要从后台的变量绑定而且传参，我们可以这样；现在后台定义一个全局的变量public string a,b;调用如下onload=‘Make((&amp;#8220;&amp;lt;%= a%&amp;gt;&amp;#8221;, (&amp;#8220;&amp;lt;%= b%&amp;gt;&amp;#8221;, );&amp;#8217;&lt;/p&gt;
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&amp;lt;html xmlns=&amp;#8221;&lt;a href=&quot;http://www.w3.org/1999/xhtml&quot;&gt;http://www.w3.org/1999/xhtml&lt;/a&gt;&amp;#8220;&amp;gt;&lt;br /&gt;
&amp;lt;head&amp;gt;&lt;br /&gt;
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&amp;lt;title&amp;gt;input索引提示特效&amp;lt;/title&amp;gt;&lt;br /&gt;
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