设置编码过滤器

来源：互联网发布：js中的事件冒泡编辑：程序博客网时间：2024/05/23 21:10

package com.util;

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 CharEncodingFilter implements Filter
{

    private String charSet;

    public void init(FilterConfig config) throws ServletException
    {
        charSet = config.getInitParameter("charset");
        if (charSet == null && charSet.length() < 1)
        {
            charSet = "UTF-8";
        }
    }

    public void doFilter(ServletRequest request, ServletResponse response,
            FilterChain chain) throws IOException, ServletException
    {
        // 设定字符集
        request.setCharacterEncoding(this.getCharSet());
        response.setContentType("text/html;charset=UTF-8");
        chain.doFilter(request, response);
    }

    public void destroy()
    {
        this.setCharSet(null);
    }

    public void setCharSet(String charSet)
    {
        this.charSet = charSet;
    }

    public String getCharSet()
    {
        return (this.charSet);
    }
}