JavaWeb过滤器处理所有网页乱码问题

使用过滤器之前

使用之后

package com.xy.filter;

import javax.servlet.*;
import java.io.IOException;


public class Filter implements javax.servlet.Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        servletRequest.setCharacterEncoding("utf-8");
        servletResponse.setContentType("text/html;charset=utf-8");
        filterChain.doFilter(servletRequest,servletResponse);
    }
}

package com.xy.controller;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;


public class OneServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        response.getWriter().write("朝向一首诗的完成");
    }
}

    
        OneServlet
        com.xy.controller.OneServlet
    
    
        OneServlet
        /one
    
    
        Filter
        com.xy.filter.Filter
    
    
        Filter
        /*