{"id":806,"date":"2024-09-06T11:21:20","date_gmt":"2024-09-06T03:21:20","guid":{"rendered":"https:\/\/thereisno.top\/?p=806"},"modified":"2024-10-22T15:31:20","modified_gmt":"2024-10-22T07:31:20","slug":"mysql-%e4%b8%ad%e6%96%87%e4%b9%b1%e7%a0%81","status":"publish","type":"post","link":"https:\/\/thereisno.top\/?p=806","title":{"rendered":"Mysql \u4e2d\u6587\u4e71\u7801"},"content":{"rendered":"\n

MySQL\u4e2d\u9ed8\u8ba4\u5b57\u7b26\u96c6\u7684\u8bbe\u7f6e\u6709\u56db\u7ea7:\u670d\u52a1\u5668\u7ea7\uff0c\u6570\u636e\u5e93\u7ea7\uff0c\u8868\u7ea7 \u3002<\/mark>\u6700\u7ec8\u662f\u5b57\u6bb5\u7ea7 \u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e\u3002\u6ce8\u610f\u524d\u4e09\u79cd\u5747\u4e3a\u9ed8\u8ba4\u8bbe\u7f6e\uff0c\u5e76\u4e0d\u4ee3\u7801\u4f60\u7684\u5b57\u6bb5\u6700\u7ec8\u4f1a\u4f7f\u7528\u8fd9\u4e2a\u5b57\u7b26\u96c6\u8bbe\u7f6e\u3002\u6240\u4ee5\u6211\u4eec\u5efa\u8bae\u8981\u7528show create table table ; \u6216show full fields from tableName; \u6765\u68c0\u67e5\u5f53\u524d\u8868\u4e2d\u5b57\u6bb5\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e\u3002<\/mark><\/p>\n\n\n\n\n\n\n\n

MySQL\u4e2d\u5173\u4e8e\u8fde\u63a5\u73af\u5883\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e\u6709  Client\u7aef\uff0cconnection, results \u901a\u8fc7\u8fd9\u4e9b\u53c2\u6570\uff0cMySQL\u5c31\u77e5\u9053\u4f60\u7684\u5ba2\u6237\u7aef\u5de5\u5177\u7528\u7684\u662f\u4ec0\u4e48\u5b57\u7b26\u96c6\uff0c\u7ed3\u679c\u96c6\u5e94\u8be5\u662f\u4ec0\u4e48\u5b57\u7b26\u96c6\u3002\u8fd9\u6837MySQL\u5c31\u4f1a\u505a\u5fc5\u8981\u7684\u7ffb\u8bd1\uff0c\u4e00\u65e6\u8fd9\u4e9b\u53c2\u6570\u6709\u8bef\uff0c\u81ea\u7136\u4f1a\u5bfc\u81f4\u5b57\u7b26\u4e32\u5728\u8f6c\u8f93\u8fc7\u7a0b\u4e2d\u7684\u8f6c\u6362\u9519\u8bef\u3002\u57fa\u672c\u4e0a99%\u7684\u4e71\u7801\u7531\u4e9b\u9020\u6210\u3002<\/mark><\/p>\n\n\n\n

\u4e71\u7801\u540e\u9700\u8981\u68c0\u67e5\u7684\u4fe1\u606f<\/p>\n\n\n\n

1. \u6570\u636e\u5e93\u8868\u4e2d\u5b57\u6bb5\u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e \u3002show create table TableName \u6216 show full columns from tableName<\/p>\n\n\n\n

mysql> show create table t1;<\/p>\n\n\n\n

+——-+————————————<\/p>\n\n\n\n

| Table | Create Table                      <\/p>\n\n\n\n

+——-+————————————<\/p>\n\n\n\n

| t1    | CREATE TABLE `t1` (<\/p>\n\n\n\n

  `id` int(11) NOT NULL,<\/p>\n\n\n\n

  `c1` varchar(30) DEFAULT NULL,<\/p>\n\n\n\n

  PRIMARY KEY (`id`)   <\/p>\n\n\n\n

) ENGINE=InnoDB DEFAULT CHARSET=gbk |<\/p>\n\n\n\n

+——-+————————————<\/p>\n\n\n\n

1 row in set (0.00 sec)<\/p>\n\n\n\n

mysql> show full columns from t1;<\/p>\n\n\n\n

+——-+————-+—————-+——+—–+-<\/p>\n\n\n\n

| Field | Type        | Collation      | Null | Key |<\/p>\n\n\n\n

+——-+————-+—————-+——+—–+-<\/p>\n\n\n\n

| id    | int(11)     | NULL           | NO   | PRI |<\/p>\n\n\n\n

| c1    | varchar(30) | gbk_chinese_ci | YES  |     |<\/p>\n\n\n\n

+——-+————-+—————-+——+—–+-<\/p>\n\n\n\n

2 rows in set (0.00 sec)<\/p>\n\n\n\n

mysql><\/p>\n\n\n\n

2. \u5f53\u524d\u8054\u63a5\u7cfb\u7edf\u53c2\u6570  show variables like ‘char%’<\/p>\n\n\n\n

mysql> show variables like ‘char%’;<\/p>\n\n\n\n

+————————–+—————-<\/p>\n\n\n\n

| Variable_name            | Value<\/p>\n\n\n\n

+————————–+—————-<\/p>\n\n\n\n

| character_set_client     | gbk<\/p>\n\n\n\n

| character_set_connection | gbk<\/p>\n\n\n\n

| character_set_database   | latin1<\/p>\n\n\n\n

| character_set_filesystem | binary<\/p>\n\n\n\n

| character_set_results    | gbk<\/p>\n\n\n\n

| character_set_server     | latin1<\/p>\n\n\n\n

| character_set_system     | utf8<\/p>\n\n\n\n

| character_sets_dir       | C:\/Program File<\/p>\n\n\n\n

+————————–+—————-<\/p>\n\n\n\n

8 rows in set (0.00 sec)<\/p>\n\n\n\n

mysql><\/p>\n\n\n\n

1. \u4e2d\u6587\uff0c\u8bf7\u786e\u4fdd \u8868\u4e2d\u8be5\u5b57\u6bb5\u7684\u5b57\u7b26\u96c6\u4e3a\u4e2d\u6587\u517c\u5bb9\uff1a<\/p>\n\n\n\n

 big5     | Big5 Traditional Chinese<\/p>\n\n\n\n

 gb2312   | GB2312 Simplified Chinese<\/p>\n\n\n\n

 gbk      | GBK Simplified Chinese<\/p>\n\n\n\n

 utf8     | UTF-8 Unicode<\/p>\n\n\n\n

2. \u786e\u4fdd\uff0c\u8054\u63a5\u53c2\u6570\u4e0e\u8fd9\u4e2a\u5b57\u6bb5\u5b57\u7b26\u96c6\u4e00\u81f4,\u4f60\u53ef\u4ee5\u7528 set name ‘charsetname’;<\/p>\n\n\n\n

 \u6bd4\u5982\uff0c set name ‘gbk’;<\/p>\n\n\n\n

 \u8fd9\u6761\u547d\u4ee4\u4f1a\u540c\u65f6\u4fee\u6539 character_set_client,character_set_connection,character_set_results<\/p>\n\n\n\n

 (\u5982\u679c\u4f60\u7684\u8fd9\u67b6MySQL\u4e2d\u90fd\u4e3a\u4e2d\u6587\uff0c\u5219\u4f60\u53ef\u4ee5\u5728my.ini\u6216my.cnf\u4e2d\u52a0\u4e0a\u6216\u4fee\u6539\u8fd9\u4e2a\u53c2\u6570, \u53c2\u6570\u6587\u4ef6\u4fee\u6539\u540e\u9700\u91cd\u542fMySQL\u670d\u52a1)<\/p>\n\n\n\n

[mysql]<\/p>\n\n\n\n

default-character-set=gbk<\/p>\n\n\n\n

3. PHP \u4e71\u7801, \u540c\u6837 mysql_query(“set name ‘gbk'”); \u5176\u5b83API\u4e5f\u7c7b\u4f3c\u3002<\/p>\n\n\n\n

4. phpmyadmin\u91cc\u4e71\u7801<\/p>\n\n\n\n

phpMyAdmin\u7684config.inc.php\u4e2d\u6709\u6ca1\u6709\u8bbe\u7f6e$cfg[‘DefaultCharset’]=’utf-8′;<\/p>\n\n\n\n

5. Windows\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u547d\u4ee4\u884c\uff08”DOS”\u7a97\u53e3)\u4e0b\u3002<\/p>\n\n\n\n

 \u5728\u4f60\u7684DOS\u7a97\u4e2d\u7684\u5de6\u4e0a\u89d2\u6807\u9898\u680f\u7247\u5de6\u952e\uff0c\u5c5e\u6027\uff0c<\/p>\n\n\n\n

 \u5728\u5b57\u4f53\u4e2d\uff0c\u9009\u62e9\u201c\u5b8b\u4f53\u201d\uff0c\u786e\u8ba4<\/p>\n\n\n\n

 mysql\u4e2d set names ‘gbk’;<\/p>\n\n\n\n

6. ADO.NET, ADO\u4e2d \uff0c\u53ef\u4ee5\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u52a0\u5165CharSet=UTF8;\u7c7b\u4f3c\u6307\u4ee4\u4ee5\u8bf4\u660econnection\u7684\u5b57\u7b26\u96c6\u3002<\/p>\n\n\n\n

 Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword; CharSet=UTF8;<\/p>\n\n\n\n

7. SQL Manager for MySQL<\/p>\n\n\n\n

\u7528EMS\u5efa\u6570\u636e\u5e93\uff0c<\/p>\n\n\n\n

 Character Set\u8bbe\u4e3autf-8<\/p>\n\n\n\n

 client charset\u8bbeUTF-8<\/p>\n\n\n\n

 Font charset \u8bbe\u4e3aGB2312_CHARSET<\/p>\n\n\n\n

8. jdbcodbc\u6865\u63a5 http:\/\/java.sun.com\/j2se\/1.4.2\/docs\/guide\/jdbc\/bridge.html<\/a><\/p>\n\n\n\n

       \/\/ Load the JDBC-ODBC bridge driver<\/p>\n\n\n\n

       Class.forName(sun.jdbc.odbc.JdbcOdbcDriver) ;<\/p>\n\n\n\n

       \/\/ setup the properties<\/p>\n\n\n\n

       java.util.Properties prop = new java.util.Properties();<\/p>\n\n\n\n

       prop.put( ” charSet ” , ” Big5 ” );<\/p>\n\n\n\n

       prop.put( ” user ” , username);<\/p>\n\n\n\n

       prop.put( ” password ” , password);<\/p>\n\n\n\n

       \/\/ Connect to the database<\/p>\n\n\n\n

       con = DriverManager.getConnection(url, prop);<\/p>\n\n\n\n

9.  PHP 5.2 \u7248\u672c\u4ee5\u4e0a\u89e3\u51b3\u4e71\u7801\u95ee\u9898\u7684\u4e00\u4e2a\u65b9\u6cd5 (\u7531 ljf_ljf [Mark Liang] \u63d0\u4f9b)<\/p>\n\n\n\n

    $conn = mysql_connect ( ” 192.168.1.133 ” , ” root ” , ” 123456 ” ) or<\/p>\n\n\n\n

        die ( ” Could not connect: ” . mysql_error ());<\/p>\n\n\n\n

    $program_char = ” utf8 ” ;<\/p>\n\n\n\n

    $conn . mysql_select_db ( ” test ” );<\/p>\n\n\n\n

    \/\/ $conn.mysql_query(‘SET @@character_set_results = “‘.$program_char.'”‘);<\/p>\n\n\n\n

    mysql_set_charset( $program_char , $conn );<\/p>\n\n\n\n

    $charset = mysql_client_encoding ( $conn );<\/p>\n\n\n\n

    printf ( ” current character set is %s <br> ” , $charset );<\/p>\n\n\n\n

    $result = mysql_query ( ” SELECT id, task_no,pack_path FROM tb_workplan where id = 1 ” , $conn );<\/p>\n\n\n\n

    while ( $row = mysql_fetch_array ( $result , MYSQL_BOTH)) {<\/p>\n\n\n\n

        printf ( ” ID: %s <br> task_no: %s  <br> pack_path :%s <BR> ” , $row [ ” id ” ] , $row [ 1 ] , $row [ ” pack_path ” ]); <\/p>\n\n\n\n

    }<\/p>\n\n\n\n

    $conn . mysql_free_result ( $result );<\/p>\n\n\n\n

    $conn . mysql_close ();<\/p>\n\n\n\n

9.  \u5b58\u50a8\u8fc7\u7a0b\u53c2\u6570\u4e71\u7801<\/p>\n\n\n\n

create procedure t ( aa char(10) charset ‘gbk’)<\/p>\n\n\n\n

\u8fde\u63a5\u5b57\u7b26\u4e32<\/p>\n\n\n\n

<Resource auth=”Container” driverClassName=”com.mysql.jdbc.Driver” url=”jdbc:mysql:\/\/localhost:3306\/hx_dev?characterEncoding=utf-8&amp;allowMultiQueries=true” name=”jdbc\/hap_dev” type=”javax.sql.DataSource” username=”hx_dev” password=”123456″\/><\/p>\n\n\n\n

\u67e5\u770b\u7f16\u7801\u683c\u5f0f<\/p>\n\n\n\n

\u8fde\u63a5\u8fdb\u5165MySQL\u540e\uff0c\u6267\u884c\uff1ashow variables like \u2018%char%\u2019;<\/p>\n\n\n\n

\u67e5\u770b\u81ea\u5df1\u7684\u7f16\u7801\u683c\u5f0f<\/p>\n\n\n\n

\u901a\u7528\u6a21\u5f0f\u4e3a\u4e0b\u56fe\uff0c\u5982\u679c\u4f60\u7684\u914d\u7f6e\u548c\u4e0b\u56fe\u76f8\u540c\uff0c\u90a3\u4e48\u8bf7\u68c0\u67e5\u4f60\u7684\u8868\u9ed8\u8ba4\u683c\u5f0f<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u6dfb\u52a0\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n

MySQL\u7684\u914d\u7f6e\u6587\u4ef6\u4e3a\uff1amy.cnf<\/p>\n\n\n\n

\u8def\u5f84\u4e00\u822c\u5728\uff1a\/etc\/my.cnf<\/p>\n\n\n\n

\u5982\u679c\u6ca1\u770b\u5230\u53ef\u4ee5\u6267\u884c\u6307\u4ee4\u641c\u7d22\uff1afind \/ -name my.cnf<\/p>\n\n\n\n

\u5907\u6ce8\uff1a\u6ca1\u8be5\u6587\u4ef6MySQL\u4e5f\u80fd\u6b63\u5e38\u542f\u52a8\uff0cmy.cnf\u7684\u4f5c\u7528\u5728\u4e8e\u63d0\u4f9b\u914d\u7f6e\u53c2\u6570\uff0c\u4e0d\u5b58\u5728\u5219\u4f7f\u7528\u9ed8\u8ba4\u53c2\u6570\uff08\u6240\u4ee5\u4f1a\u5bfc\u81f4\u7f16\u7801\u95ee\u9898\uff09\uff0c\u4e0d\u5b58\u5728\u8be5\u6587\u4ef6\u7684\u540c\u5b66\u53ea\u8981\u65b0\u5efa\u4e00\u4e2a\u5230**\/etc**\u4e0b\u5373\u53ef<\/p>\n\n\n\n

\u6dfb\u52a0\u6587\u4ef6\u5185\u5bb9<\/p>\n\n\n\n

\u5982\u679c\u5df2\u6709my.cnf\u6587\u4ef6\uff0c\u5219\u5728\u539f\u6709\u6587\u4ef6\u5185\u5bb9\u4e0b\u6dfb\u52a0<\/mark><\/p>\n\n\n\n

[client]<\/p>\n\n\n\n

default-character-set=utf8 \u4e0d\u4ec5\u8981\u68c0\u67e5\u670d\u52a1\u5668\u3001\u6570\u636e\u5e93\u3001\u8868\u3001\u5b57\u6bb5\u5b57\u7b26\u96c6\uff0c\u8fd8\u8981\u68c0\u67e5\u5ba2\u6237\u7aef\u9ed8\u8ba4\u8fde\u63a5\u5b57\u7b26\u96c6\u6216\u5219\u548c\u5ba2\u6237\u7aef\u8bbe\u7f6e\u5b57\u7b26\u96c6<\/p>\n\n\n\n

[mysqld]<\/p>\n\n\n\n

default-storage-engine=INNODB<\/p>\n\n\n\n

character-set-server=utf8<\/p>\n\n\n\n

collation-server=utf8_general_ci<\/p>\n\n\n\n

\u6ca1\u6709\u7684\u8bdd\u65b0\u5efa\u540e\u6dfb\u52a0\u5185\u5bb9\u5373\u53ef<\/p>\n\n\n\n

\u91cd\u542fMySQL<\/p>\n\n\n\n

\u6267\u884c\u6307\u4ee4\uff1aservice mysqld restart\u5b8c\u6210\u91cd\u542f<\/p>\n\n\n\n

\u6210\u529f\u540e\u91cd\u65b0\u8fde\u63a5MySQL<\/p>\n\n\n\n

\u6267\u884c**show variables like \u2018%char%\u2019;**\u518d\u6b21\u67e5\u770b\u683c\u5f0f<\/p>\n\n\n\n

\u6b63\u5e38\u60c5\u51b5\uff0c\u8fd9\u91cc\u5c31\u53ef\u4ee5\u663e\u793a\u4e2d\u6587\u4e86<\/p>\n\n\n\n

\u622a\u56fe\u5bf9\u6bd4<\/p>\n\n\n\n

\u4fee\u6539\u524d\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4fee\u6539\u540e\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5176\u4ed6<\/p>\n\n\n\n

\u82e5\u6570\u636e\u5e93\u7f16\u7801\u5df2\u7ecf\u6b63\u786e\u4ecd\u4e0d\u80fd\u663e\u793a\u4e2d\u6587\u3002\u6267\u884cshow create table tableName;<\/p>\n\n\n\n

\u6267\u884c**alter table tableName character set utf8;**\u6765\u4fee\u6539\u8868\u7f16\u7801<\/p>\n\n\n\n

\u6b63\u5e38\u8868\u7f16\u7801\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

MySQL\u4e2d\u9ed8\u8ba4\u5b57\u7b26\u96c6\u7684\u8bbe\u7f6e\u6709\u56db\u7ea7:\u670d\u52a1\u5668\u7ea7\uff0c\u6570\u636e\u5e93\u7ea7\uff0c\u8868\u7ea7 \u3002\u6700\u7ec8\u662f\u5b57\u6bb5\u7ea7 \u7684\u5b57\u7b26\u96c6\u8bbe\u7f6e\u3002\u6ce8\u610f\u524d\u4e09\u79cd\u5747\u4e3a\u9ed8\u8ba4 … <\/p>\n

\u7ee7\u7eed\u9605\u8bfb\u201cMysql \u4e2d\u6587\u4e71\u7801\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[68],"class_list":["post-806","post","type-post","status-publish","format-standard","hentry","category-mysql","tag-mysql"],"_links":{"self":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/806","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=806"}],"version-history":[{"count":2,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/806\/revisions"}],"predecessor-version":[{"id":1310,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/806\/revisions\/1310"}],"wp:attachment":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}