web开发乱码问题总结

导致乱码问题无非就是编码不统一,常见的编码有:utf-8、iso8859-1、gdb、GB2312等。
所以最简单的方法是把所有的都设置成统一的UTF-8编码。

1. jsp页面头部添加:

<%@page contentType="text/html" pageEncoding="UTF-8"%>

2.处理request的post请求出现乱码的解决方法:

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

3.处理request的get请求出现乱码的解决方法 方法一:

 new String(request.getParameter("condition").getBytes("ISO8859-1"),"UTF-8");

方法二:
用URLEncode和URLDecode
参考:http://m.blog.csdn.net/blog/taotaotaotao910429/8626421

4.框架中处理中文乱码的解决方案:在过滤器中设置

Spring字符编码过滤器xml配置:

    
    <filter>
        <filter-name>characterEncodingFilterfilter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilterfilter-class>
        <init-param>
            <param-name>encodingparam-name>
            <param-value>UTF-8param-value>
        init-param>
        <init-param>
            <param-name>forceEncodingparam-name>
            <param-value>trueparam-value>
        init-param>
    filter>
    <filter-mapping>
        <filter-name>characterEncodingFilterfilter-name>
        <url-pattern>/*url-pattern>
    filter-mapping>

参考:
http://blog.csdn.net/xinxin19881112/article/details/4518602

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