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 ×îÐÂÎÄÕ : mysql

Linux + JDK + Tomcat + MySQL + JDBC °²×°ÊÖ¼Ç

Linux + JDK + Tomcat + MySQL + JDBC °²×°ÊÖ¼Ç
Ò»¡¢Red Hat Linux
1.·ÖÇø
           
                        | swap    512 M
                        | /boot     100 M
   10G¿Õ¼ä           | /home   1000M
                        | /             2000M
                        | /usr     &nbs ......

Linux + JDK + Tomcat + MySQL + JDBC °²×°ÊÖ¼Ç

Linux + JDK + Tomcat + MySQL + JDBC °²×°ÊÖ¼Ç
Ò»¡¢Red Hat Linux
1.·ÖÇø
           
                        | swap    512 M
                        | /boot     100 M
   10G¿Õ¼ä           | /home   1000M
                        | /             2000M
                        | /usr     &nbs ......

SQL ServerºÍMySQLÖÐTopÓ÷¨µÄÇø±ð

      ½ñÌìÁ·Ï°ÔÚJSPÒ³ÃæÖÐʵÏÖ·ÖҳЧ¹û£¬ÔÚ²éѯÓï¾ä·½ÃæÇ£³¶µ½ÁËtopµÄÓ÷¨¡£¼òÒª×öÒ»ÏÂ×ܽ᣺
      ΪʵÏÖÀàËÆtopµÄ¹¦ÄÜ£¬ÎÒÃÇÔÚSQL ServerÖкÍMySQLÖÐʹÓõ½µÄSQLÓï¾äÊDz»Í¬µÄ¡£
      1¡¢ÔÚSQL ServerÖУ¬ÎÒÃÇʹÓà select top N * from tablenameÀ´²éѯtablename±íÖÐǰNÌõ¼Ç¼¡£
      2¡¢ÔÚMySQLÖУ¬ÎÒÃÇÔòʹÓÃselect * from tablename limit M,N À´ÊµÏÖÏàËÆµÄЧ¹û£¬ÆäÖÐM±íʾ´ÓµÚM+1Ìõ¼Ç¼¿ªÊ¼£¬N±íʾ·µ»ØNÌõ¼Ç¼¡£
      ÀýÈ磺´Óuses±íÖÐÈ¡³öµÚËÄÌõµ½µÚÁùÌõÕâÈýÌõ¼Ç¼£¬ÎÒÃǾͿÉÒÔÕâÑùд£º
¡¡¡¡¡¡¡¡1¡¢select top 3 * from users where userID not in(select top 3 userID from users)
¡¡¡¡¡¡¡¡2¡¢select * from users limit 3,3
      ......

SQL ServerºÍMySQLÖÐTopÓ÷¨µÄÇø±ð

      ½ñÌìÁ·Ï°ÔÚJSPÒ³ÃæÖÐʵÏÖ·ÖҳЧ¹û£¬ÔÚ²éѯÓï¾ä·½ÃæÇ£³¶µ½ÁËtopµÄÓ÷¨¡£¼òÒª×öÒ»ÏÂ×ܽ᣺
      ΪʵÏÖÀàËÆtopµÄ¹¦ÄÜ£¬ÎÒÃÇÔÚSQL ServerÖкÍMySQLÖÐʹÓõ½µÄSQLÓï¾äÊDz»Í¬µÄ¡£
      1¡¢ÔÚSQL ServerÖУ¬ÎÒÃÇʹÓà select top N * from tablenameÀ´²éѯtablename±íÖÐǰNÌõ¼Ç¼¡£
      2¡¢ÔÚMySQLÖУ¬ÎÒÃÇÔòʹÓÃselect * from tablename limit M,N À´ÊµÏÖÏàËÆµÄЧ¹û£¬ÆäÖÐM±íʾ´ÓµÚM+1Ìõ¼Ç¼¿ªÊ¼£¬N±íʾ·µ»ØNÌõ¼Ç¼¡£
      ÀýÈ磺´Óuses±íÖÐÈ¡³öµÚËÄÌõµ½µÚÁùÌõÕâÈýÌõ¼Ç¼£¬ÎÒÃǾͿÉÒÔÕâÑùд£º
¡¡¡¡¡¡¡¡1¡¢select top 3 * from users where userID not in(select top 3 userID from users)
¡¡¡¡¡¡¡¡2¡¢select * from users limit 3,3
      ......

php ½âÎö excel ´æ´¢µ½ mysql ÂÒÂë


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PHP·¢Õ¹Á˲»ÉÙ£¬ÏÖÔÚpearÓÃÆðÀ´ºÜ·½±ã£¬ÆäÖоÍÓÐÏà¹ØµÄclassÀ´¶ÁÈ¡ExcelÎļþÀïÃæµÄÄÚÈÝ£¬Èç¹û²»ÏëʹÓÃpearµÄ»°£¬¿ÉÒÔ¿¼ÂÇʹÓÃexcel_class.php£¬googleһϣ¬¿ÉÒÔÕÒµ½Õâ¸öclassµÄsource codeÏÂÔØ£¬Ò²ÄÜÕÒµ½»ù±¾µÄexample code£¬ÓÃÆðÀ´ºÜ·½±ã¡£
ÐèҪעÒâµÄÊÇ£¬´ÓExcelÀïÃæ¶ÁÈ¡³öÀ´µÄÊôÓÚUTF-16LE±àÂ룬Èç¹ûÔÚÒÆ¶¯Ó¦ÓÃÖÐʹÓÃexcel_class£¬ÔòÐèҪעÒ⣬ÒòΪͨ³£ÊÖ»ú¶¼ÊÇÖ§³ÖUTF-8±àÂ룬ÆäÖоÍÉæ¼°µ½±àÂëµÄת»»¡£
ÀýÈçÎÒʹÓÃ
echo $return[Sheet2][0][0];
À´ÏÔʾµÚ1ÐеÚ1ÁÐÀïÃæµÄÄÚÈÝ£¬Ô­±¾ÄÚÈÝÊÇ“¿ªÊ¼”£¬Ê¹ÓÃPHPÔÚwebÉÏÏÔʾµÄʱºòҲȷʵÊÇ“¿ªÊ¼”£¬µ«ÊÇ²é¿´ÍøÒ³µÄÔ´´úÂëÊÇ
&#24320&#22987
ÆäÖÐ&#ÊÇΪÁËÔÚÍøÒ³ÉÏÏÔʾ£¬24320ºÍ22987µÄÊ®Áù½øÖƱíʾÔòÊÇ“¿ªÊ¼”µÄUTF-16LE±àÂë¡£
ÄÇôÎÒÃÇÐèÒª×öµÄ¾ÍÊǽ«Õâ¸öUTF-16LE±àÂëת»»ÎªUTF-8±àÂë¡£
Ê×ÏÈ´ò¿ªexcel_class.php£¬ÕÒµ½º¯Êýuc2html£¬ ½«º¯ÊýÖеĴúÂë×¢Ê͵ô£¬Ö±½Ó½«²ÎÊý·µ»Ø£¬ ¼´¸Äº¯Êý²»×öÈκβÙ×÷¡£
function uc2html($str) {
  return $str;
}
½ÓÏÂÀ´Ê¹ÓÃPHPÖÐÌ ......

php ½âÎö excel ´æ´¢µ½ mysql ÂÒÂë


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PHP·¢Õ¹Á˲»ÉÙ£¬ÏÖÔÚpearÓÃÆðÀ´ºÜ·½±ã£¬ÆäÖоÍÓÐÏà¹ØµÄclassÀ´¶ÁÈ¡ExcelÎļþÀïÃæµÄÄÚÈÝ£¬Èç¹û²»ÏëʹÓÃpearµÄ»°£¬¿ÉÒÔ¿¼ÂÇʹÓÃexcel_class.php£¬googleһϣ¬¿ÉÒÔÕÒµ½Õâ¸öclassµÄsource codeÏÂÔØ£¬Ò²ÄÜÕÒµ½»ù±¾µÄexample code£¬ÓÃÆðÀ´ºÜ·½±ã¡£
ÐèҪעÒâµÄÊÇ£¬´ÓExcelÀïÃæ¶ÁÈ¡³öÀ´µÄÊôÓÚUTF-16LE±àÂ룬Èç¹ûÔÚÒÆ¶¯Ó¦ÓÃÖÐʹÓÃexcel_class£¬ÔòÐèҪעÒ⣬ÒòΪͨ³£ÊÖ»ú¶¼ÊÇÖ§³ÖUTF-8±àÂ룬ÆäÖоÍÉæ¼°µ½±àÂëµÄת»»¡£
ÀýÈçÎÒʹÓÃ
echo $return[Sheet2][0][0];
À´ÏÔʾµÚ1ÐеÚ1ÁÐÀïÃæµÄÄÚÈÝ£¬Ô­±¾ÄÚÈÝÊÇ“¿ªÊ¼”£¬Ê¹ÓÃPHPÔÚwebÉÏÏÔʾµÄʱºòҲȷʵÊÇ“¿ªÊ¼”£¬µ«ÊÇ²é¿´ÍøÒ³µÄÔ´´úÂëÊÇ
&#24320&#22987
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ÄÇôÎÒÃÇÐèÒª×öµÄ¾ÍÊǽ«Õâ¸öUTF-16LE±àÂëת»»ÎªUTF-8±àÂë¡£
Ê×ÏÈ´ò¿ªexcel_class.php£¬ÕÒµ½º¯Êýuc2html£¬ ½«º¯ÊýÖеĴúÂë×¢Ê͵ô£¬Ö±½Ó½«²ÎÊý·µ»Ø£¬ ¼´¸Äº¯Êý²»×öÈκβÙ×÷¡£
function uc2html($str) {
  return $str;
}
½ÓÏÂÀ´Ê¹ÓÃPHPÖÐÌ ......

php mysql ²ÉÓà utf 8 µÄÅäÖÃ

1¡¢ÔÚÅäÖÃmysqlʵÀýµÄÓïÑÔÑ¡Ïîʱ£¬Ñ¡Ôñutf-8
2¡¢ÔÚhtml,phpÒ³ÃæÖÐ ¼ÓÉÏ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />£¬Èç¹û²»ÐÐÔÙÔÚ phpÎļþ Æðʼ´¦¼Ó header("Content-Type:text/html;charset=utf-8");
3¡¢ÔÚphpÖÐ×öÊý¾Ý¿âÁ¬½Óʱ£¬ÎÒÓõÄʱpdoµÄÐÎʽ£¬ËùÒÔÔÚ»ñµÃÒ»¸ö Connectionºó£¬½ô½Ó×ÅÖ´ÐÐ $conn->query("set names utf8");
ÏÂÃæÊÇÎҵĻñÈ¡Êý¾Ý¿âÁ¬½ÓµÄ·½·¨:
public  static function  getConnection(){
           
            $conn = new PDO(self::dsn, self::user, self::password);
            $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
            $conn->query("set names utf8");
            return $conn;
}
4¡¢Èç¹ûʹÓÃÃüÁîÐÐÈ¥Á¬½ÓÊý¾Ý¿â×öһЩ²éѯµÄ»°£¬ÇëÏÈÔÚ²é ......

php mysql ²ÉÓà utf 8 µÄÅäÖÃ

1¡¢ÔÚÅäÖÃmysqlʵÀýµÄÓïÑÔÑ¡Ïîʱ£¬Ñ¡Ôñutf-8
2¡¢ÔÚhtml,phpÒ³ÃæÖÐ ¼ÓÉÏ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />£¬Èç¹û²»ÐÐÔÙÔÚ phpÎļþ Æðʼ´¦¼Ó header("Content-Type:text/html;charset=utf-8");
3¡¢ÔÚphpÖÐ×öÊý¾Ý¿âÁ¬½Óʱ£¬ÎÒÓõÄʱpdoµÄÐÎʽ£¬ËùÒÔÔÚ»ñµÃÒ»¸ö Connectionºó£¬½ô½Ó×ÅÖ´ÐÐ $conn->query("set names utf8");
ÏÂÃæÊÇÎҵĻñÈ¡Êý¾Ý¿âÁ¬½ÓµÄ·½·¨:
public  static function  getConnection(){
           
            $conn = new PDO(self::dsn, self::user, self::password);
            $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
            $conn->query("set names utf8");
            return $conn;
}
4¡¢Èç¹ûʹÓÃÃüÁîÐÐÈ¥Á¬½ÓÊý¾Ý¿â×öһЩ²éѯµÄ»°£¬ÇëÏÈÔÚ²é ......

linux,nginx,mysql,php°²×°±¸Íü

niginx°²×°Á÷³Ì
Èí¼þÏÂÔØ:--->
mkdir -p /home/dancebear/programe
cd /home/dancebear/programe
wget http://sysoev.ru/nginx/nginx-0.6.31.tar.gz
wget http://www.php.net/get/php-5.2.6.tar.gz/from/this/mirror
wget http://php-fpm.anight.org/downloads/head/php-5.2.6-fpm-0.5.8.diff.gz
wget http://dev.mysql.com/get/Downloads/MySQL-5.1/mysql-5.1.26-rc.tar.gz/from/http://mirror.x10.com/mirror/mysql/
wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.12.tar.gz
#wget "http://downloads.sourceforge.net/mcrypt/libmcrypt-2.5.8.tar.gz?modtime=1171868460&big_mirror=0"
wget http://mirror.optus.net/sourceforge/m/mc/mcrypt/libmcrypt-2.5.8.tar.gz
#wget "http://downloads.sourceforge.net/mcrypt/mcrypt-2.6.7.tar.gz?modtime=1194463373&big_mirror=0"
wget http://mirror.optus.net/sourceforge/m/mc/mcrypt/mcrypt-2.6.7.tar.gz
wget http://pecl.php.net/get/memcache-2.2.3.tgz
#wget "http://downloads.sourceforge.net/mhash/mhash-0.9.9.tar.gz?modtime=1175740843&big_mirror= ......

linux,nginx,mysql,php°²×°±¸Íü

niginx°²×°Á÷³Ì
Èí¼þÏÂÔØ:--->
mkdir -p /home/dancebear/programe
cd /home/dancebear/programe
wget http://sysoev.ru/nginx/nginx-0.6.31.tar.gz
wget http://www.php.net/get/php-5.2.6.tar.gz/from/this/mirror
wget http://php-fpm.anight.org/downloads/head/php-5.2.6-fpm-0.5.8.diff.gz
wget http://dev.mysql.com/get/Downloads/MySQL-5.1/mysql-5.1.26-rc.tar.gz/from/http://mirror.x10.com/mirror/mysql/
wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.12.tar.gz
#wget "http://downloads.sourceforge.net/mcrypt/libmcrypt-2.5.8.tar.gz?modtime=1171868460&big_mirror=0"
wget http://mirror.optus.net/sourceforge/m/mc/mcrypt/libmcrypt-2.5.8.tar.gz
#wget "http://downloads.sourceforge.net/mcrypt/mcrypt-2.6.7.tar.gz?modtime=1194463373&big_mirror=0"
wget http://mirror.optus.net/sourceforge/m/mc/mcrypt/mcrypt-2.6.7.tar.gz
wget http://pecl.php.net/get/memcache-2.2.3.tgz
#wget "http://downloads.sourceforge.net/mhash/mhash-0.9.9.tar.gz?modtime=1175740843&big_mirror= ......

linux,nginx,mysql,php°²×°±¸Íü

niginx°²×°Á÷³Ì
Èí¼þÏÂÔØ:--->
mkdir -p /home/dancebear/programe
cd /home/dancebear/programe
wget http://sysoev.ru/nginx/nginx-0.6.31.tar.gz
wget http://www.php.net/get/php-5.2.6.tar.gz/from/this/mirror
wget http://php-fpm.anight.org/downloads/head/php-5.2.6-fpm-0.5.8.diff.gz
wget http://dev.mysql.com/get/Downloads/MySQL-5.1/mysql-5.1.26-rc.tar.gz/from/http://mirror.x10.com/mirror/mysql/
wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.12.tar.gz
#wget "http://downloads.sourceforge.net/mcrypt/libmcrypt-2.5.8.tar.gz?modtime=1171868460&big_mirror=0"
wget http://mirror.optus.net/sourceforge/m/mc/mcrypt/libmcrypt-2.5.8.tar.gz
#wget "http://downloads.sourceforge.net/mcrypt/mcrypt-2.6.7.tar.gz?modtime=1194463373&big_mirror=0"
wget http://mirror.optus.net/sourceforge/m/mc/mcrypt/mcrypt-2.6.7.tar.gz
wget http://pecl.php.net/get/memcache-2.2.3.tgz
#wget "http://downloads.sourceforge.net/mhash/mhash-0.9.9.tar.gz?modtime=1175740843&big_mirror= ......

javaÓëmysqlÂÒÂëµÄÎÊÌâ [ת]

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[mysql]
default-character-set=utf8
[client]
default-character-set=utf8
[mysqld]
default-character-set=utf8
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DROP   TABLE   IF   EXISTS   `Company`;
CREATE   TABLE   IF   NOT   EXISTS   `Company`
(
    `Cname`   VARCHAR(10)   NOT   NULL,
    `Caddr`   VARCHAR(100),
    `Ctel`     VARCHAR(16)
)ENGINE=InnoDB   DEFAULT   CHARSET=UTF8;
ÕâÑù¾ÍûÎÊÌâ¡£
Èç¹ûÊÇjspÒªÉùÃ÷£º
contentType="text/html;charset=gb2312"
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Á¬½Ómysqlʱ(ÎÞÂÛÔÚ´Ómysql¶Á»¹ÊÇÈ¡Êý¾ÝµÄÇé¿ö)£¬Ö¸¶¨Ê¹ÓõıàÂ뷽ʽΪutf-8£¬¾ßÌå´úÂëÈçÏÂ
//×°ÔØmysql-jdbcÇý¶¯
Class.forName("com.mysql.jdbc.Driver").newInstance();
//Á¬½ÓÊý¾Ý¿â
Connection sqlCon = DriverManager.getConnection( "jdbc:mysql://local ......

javaÓëmysqlÂÒÂëµÄÎÊÌâ [ת]

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Äã¿´ÏÂmy.ini£¬ÓÐÎÞ
[mysql]
default-character-set=utf8
[client]
default-character-set=utf8
[mysqld]
default-character-set=utf8
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DROP   TABLE   IF   EXISTS   `Company`;
CREATE   TABLE   IF   NOT   EXISTS   `Company`
(
    `Cname`   VARCHAR(10)   NOT   NULL,
    `Caddr`   VARCHAR(100),
    `Ctel`     VARCHAR(16)
)ENGINE=InnoDB   DEFAULT   CHARSET=UTF8;
ÕâÑù¾ÍûÎÊÌâ¡£
Èç¹ûÊÇjspÒªÉùÃ÷£º
contentType="text/html;charset=gb2312"
½â¾ö·½·¨¶þ£º
Á¬½Ómysqlʱ(ÎÞÂÛÔÚ´Ómysql¶Á»¹ÊÇÈ¡Êý¾ÝµÄÇé¿ö)£¬Ö¸¶¨Ê¹ÓõıàÂ뷽ʽΪutf-8£¬¾ßÌå´úÂëÈçÏÂ
//×°ÔØmysql-jdbcÇý¶¯
Class.forName("com.mysql.jdbc.Driver").newInstance();
//Á¬½ÓÊý¾Ý¿â
Connection sqlCon = DriverManager.getConnection( "jdbc:mysql://local ......
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