解决mysql中jsp中文乱码的方法
更新:HHH   时间:2023-1-7


小编给大家分享一下解决mysql中jsp中文乱码的方法,希望大家阅读完这篇文章后大所收获,下面让我们一起去探讨吧!

JSP页面传输到MySQL数据库时,中文为乱码(数据库中存储乱码)解决方法:

将所有的涉及到编码的都设置为utf-8即可。

执行mysql> show variables like 'character%';命令查看mysql使用的编码方式:

mysql> show variables like 'character%';
+--------------------------+------------------------------------------------------+
| Variable_name            | Value                                                |
+--------------------------+------------------------------------------------------+
| character_set_client     | utf8                                                 |
| character_set_connection | utf8                                                 |
| character_set_database   | utf8                                                 |
| character_set_filesystem | binary                                               |
| character_set_results    | utf8                                                 |
| character_set_server     | latin1                                               |
| character_set_system     | utf8                                                 |
| character_sets_dir       | D:\Program Files\mysql-5.6.20-winx64\share\charsets\ |
+--------------------------+------------------------------------------------------+

修改数据库编码执行命令: mysql> alter database db_name character set utf8; 

修改其他编码: mysql> set names 'utf8';

设置JSP页面编码:在页面顶部添加:

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

修改数据库连接DriverManager.getConnection(url, usr, pwd)的url:

String url = "jdbc:mysql://localhost:3306/db_name?useUnicode=true&characterEncoding=utf-8";

在发送页面和接收页面顶部都添加以下代码:

<%  request.setCharacterEncoding("UTF-8"); 
    response.setCharacterEncoding("UTF-8"); 
    response.setContentType("text/html; charset=utf-8");
%>

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