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  • 编写HTML表单提交并接受数据信息(获取用户通过表单提交的内容)

    MyInfoForm.java package com.fxl; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class MyInfoForm extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=utf-8"); PrintWriter out = response.getWriter(); out.println("
    "); out.println("用户名:
    "); out.println("密 码:
    "); out.println("性 别:
    "); out.println("你的爱好:体育音乐旅游读书
    "); out.println("所在城市:
    "); out.println("你的介绍:
    "); out.println("提交照片:
    "); //什么时候使用hidden传数据。1 不愿意让用户看到数据 2 不希望影响界面,同时业务逻辑要使用该数据,到时把value做成变量即可 out.println(""); out.println(""); out.println("
    "); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doGet(request, response); } } 接受表单提交信息 RegisterCl.java package com.fxl; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class RegisterCl extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException { response.setContentType("text/html;charset=utf-8"); request.setCharacterEncoding("utf-8"); PrintWriter out = response.getWriter(); String u=request.getParameter("username"); String p=request.getParameter("pwd"); String sex=request.getParameter("sex"); //如果接受复选框的内容,则使用getparameterValues String [] hobbies=request.getParameterValues("hobby"); String city=request.getParameter("city"); String intro=request.getParameter("intro"); String hidden1=request.getParameter("hidden1"); out.println("用户名="+u+"
    "); out.println("密 码="+p+"
    "); out.println("性 别="+sex+"
    "); if(hobbies!=null){ for(int i=0;i所在城市:"+city); out.println("
    个人介绍:"+intro); out.println("
    隐藏控件传递的数据:"+hidden1); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doGet(request, response); } }
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  • 原文地址:https://www.cnblogs.com/fengxiaolan/p/4388281.html
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