JavaWeb乱码修正

来源：互联网发布：mac上可以玩的单机编辑：程序博客网时间：2024/05/16 12:36
package cn.ITHong.Response;import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.ServletOutputStream;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class ResponseDemo2 extends HttpServlet {public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {test5(response);}/** *作用于下面相同，推荐这种方法*/private void test5(HttpServletResponse response) throws IOException {//以字节流向客户端输出中文数据String s = "学人要学";ServletOutputStream out = response.getOutputStream();response.setContentType("text/html;charset=UTF-8");out.write(s.getBytes("UTF-8"));}/** *标签提示客户端,未能实现，直接把第一个write直接输出到浏览器了，暂时用 *test3(),目的是一样的*/private void test4(HttpServletResponse response) throws IOException {//以字节流向客户端输出中文数据String s = "与内心相连";ServletOutputStream out = response.getOutputStream();out.write("<meta http-equiv='Content-Type'content='text/html;charset=UTF-8'>".getBytes());out.write(s.getBytes("UTF-8"));}/** *给与响应头，解决浏览器乱码*/private void test3(HttpServletResponse response) throws IOException {//以字节流向客户端输出中文数据String s = "幸福与贫富无关";response.setHeader("Content-Type", "text/html;charset=UTF-8");ServletOutputStream out = response.getOutputStream();out.write(s.getBytes("UTF-8"));}/** *乱码：因为我传输的是UTF-8，但是客户端却是GBK*/private void test2(HttpServletResponse response) throws IOException {//以字节流向客户端输出中文数据String s = "幸福与贫富无关";ServletOutputStream out = response.getOutputStream();out.write(s.getBytes("UTF-8"));}/** * getBytes();使用平台默认的字符集GBK将此String解码为字节序列。 * 并将结果存储到一个新的字节数组中，但是外国人就不一定解析GBK了 * 没有乱码*/private void test1(HttpServletResponse response) throws IOException {//以字节流向客户端输出中文数据String s = "幸福是什么";ServletOutputStream out = response.getOutputStream();out.write(s.getBytes());}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {}}
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