OutputStream输出中文数据乱码问题解决方式:
package cn.lsh.servlet; import java.io.IOException; import java.io.OutputStream; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; //Response的OutputStream输出中文数据问题 public class Response extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //指定以UTF-8编码,那么就要指定浏览器以UTF-8解码,总之,编码与解码要相同,否者就会出现乱码。 //注意:第二个参数中间不要写成“,”否则当访问Servlet时会出现提示下载的情况。 response.setHeader("content-type", "text/html;charset=utf-8"); String str = "中国,我爱你"; OutputStream out = response.getOutputStream(); out.write(str.getBytes("utf-8"));//指定以UTF-8编码。 } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }
Writer输出数据乱码的问题解决方法:
以下是没有指定浏览以UTF-8码表打开所以导致浏览器输出乱码:
package cn.lsh.servlet; import java.io.IOException; import java.io.OutputStream; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; //Response的OutputStream输出中文数据问题 public class Response extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //指定以UTF-8编码,那么就要指定浏览器以UTF-8解码,总之,编码与解码要相同,否者就会出现乱码。 //注意:第二个参数中间不要写成“,”否则当访问Servlet时会出现提示下载的情况。 //设置response使用utf-8码表,以控制response以什么码表向浏览器写出数据 response.setCharacterEncoding("UTF-8"); /* //指定浏览器以什么码表打开服务器发送的数据 response.setContentType("text/html;charset=utf-8"); */ String str = "中国,我爱你"; PrintWriter pw = response.getWriter(); pw.write(str); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }
浏览器输出结果为:
以下指定浏览以UTF-8码表打开所以浏览器输出中文数据正常:
package cn.lsh.servlet; import java.io.IOException; import java.io.OutputStream; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; //Response的OutputStream输出中文数据问题 public class Response extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //指定以UTF-8编码,那么就要指定浏览器以UTF-8解码,总之,编码与解码要相同,否者就会出现乱码。 //注意:第二个参数中间不要写成“,”否则当访问Servlet时会出现提示下载的情况。 //设置response使用utf-8码表,以控制response以什么码表向浏览器写出数据 response.setCharacterEncoding("UTF-8"); //指定浏览器以什么码表打开服务器发送的数据 response.setContentType("text/html;charset=utf-8"); String str = "中国,我爱你"; PrintWriter pw = response.getWriter(); pw.write(str); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }
标签:OutputStream,UTF,servlet,javax,乱码,import,Servlet,response From: https://www.cnblogs.com/ios9/p/17084953.html