<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <form action="/AServlet" method="post"> 用户名:<input type="text" name="username" value="李四"/><br/> <input type="submit" value="提交"> </form> <hr/> <a href="/AServlet?username=张三">GET</a></body></html>
1 @WebServlet(name = "AServlet",urlPatterns = "/AServlet") 2 public class AServlet extends HttpServlet { 3 public void doPost(HttpServletRequest request, HttpServletResponse response) 4 throws ServletException, IOException { 5 request.setCharacterEncoding("utf-8"); 6 String username = request.getParameter("username"); 7 response.setContentType("text/html;charset=utf-8"); 8 PrintWriter out = response.getWriter(); 9 out.print(username);10 System.out.println(username);11 }12 13 protected void doGet(HttpServletRequest request, HttpServletResponse response)14 throws ServletException, IOException {15 String name = request.getParameter("username");16 response.setContentType("text/html;charset=utf-8");17 PrintWriter out = response.getWriter();18 out.print(name);19 System.out.println(name);20 }21 }
1、运行环境:操作系统系统:Mac OS X10.12.6,语言:英文开发工具:IntelliJ IDEA 2017.2.2,默认编码:UTF-8Tomcat:9.0.0.M262、问题:运行Web项目时,控制台输出乱码。3、解决方法:设置Servlet的VM options(虚拟机选项)为:-Dfile.encoding=UTF-8
使用:chrome Version 60.0.3112.113,结果:控制台输出正常。
使用:QQBrowser Version 4.2.4761.400 (64-bit),结果:控制台输出正常。
使用:SafariVersion 10.1.2 (12603.3.8),结果:控制台输出正常。
使用:Firefox 55.0.3 (64 位),结果:控制台输出正常。
更换操作系统为中文,结果一致,排除系统语言方面原因。
注意:如果使用doPost()方法获取表单,则需在获取参数前设置:request.setCharacterEncoding(“utf-8”);否则会控制台会出现乱码。
参考:http://blog.csdn.net/rznice/article/details/41006913
当你见过了世界上最美丽的风景,