Struts2之Web应用中文乱码有关问题的6种解决办法

Struts2之Web应用中文乱码问题的6种解决方法

在web应用中通常用下面几种方法解决中文问题：

1.HTML页面中文问题

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Insert title here</title>
</head>
<body>

</body>
</html>

2.JSP页面中文问题

<%@ page language="java" contentType="text/html; charset=gb2312" %>

3.Servlet响应结果中文问题

response.setCharacterEncoding("gb2312");

4.解决页面或者组件间数据传输的中文问题

<filter>
   <filter-name>encodingFilter</filter-name>
   <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
   <init-param>
     <param-name>encoding</param-name>
     <param-value>UTF-8</param-value>
   </init-param>
   <init-param>
     <param-name>forceEncoding</param-name>
     <param-value>true</param-value>
   </init-param>
</filter>
....
<filter-mapping>
   <filter-name>encodingFilter</filter-name>
   <url-pattern>/*</url-pattern>
</filter-mapping>

5.利用java.net.URLDecoder类使用get方法传递参数

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<% session.setAttribute("wholename", "系统管理员"); %>
<html>
<head>
<title>模拟登录界面</title>
<script type="text/javascript">
	function login() {
		document.getElementById("form").submit();
	}

	function dogetMethod(url) {
		//url编码前: leavesp?work=部门主管审批
		url = encodeURI(url);
	}
</script>
</head>
<body>
<form id="form" method="post" action="http://127.0.0.1/demo/login">
	<input type="hidden" name="userName" value="<%=java.net.URLEncoder.encode(session.getAttribute("wholename").toString(),"gbk")%>" />
	<input type="button" value="登录" onclick="login()"/>
</form>
</body>
</html>

在后台解码：

setUserName(java.net.URLDecoder.decode(userName,"gbk"));

6.解决MySql数据库中文问题(主要在JDBC的驱动URL)

String url = "jdbc:mysql://localhost/test?user=root&password=123&useUnicode=true&characterEncoding=gb2312";

Struts2之Web应用中文乱码有关问题的6种解决办法

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