JSP乱码解决 - 使用过滤器Filter
1、SetCharacterEncoding.java
package com.servlet;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class SetCharacterEncoding implements Filter{
protected FilterConfig filterConfig = null;
protected String encoding = null;
public void init(FilterConfig filterConfig)throws ServletException{
this.filterConfig = filterConfig ;
this.encoding = filterConfig.getInitParameter("encoding");
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException , ServletException {
String encoding=this.encoding;
if(encoding != null){
request.setCharacterEncoding(encoding);
response.setCharacterEncoding(encoding);
}
chain.doFilter(request, response);
}
public void destroy() {
this.encoding = null;
this.filterConfig = null;
}
}
2、web.xml
EncodingFilter
com.servlet.SetCharacterEncoding
encoding
UTF-8
EncodingFilter
/*
Web.xml中的UTF-8要和JSP中的<%@ page language="java" import="java.util.*"pageEncoding="utf-8"%>的一样。
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