1、直接把表单的参数写在controller相应的方法的形参中
@requestmapping("/adduser1") public string adduser1(string username,string password) { system.out.println("username is:"+username); system.out.println("password is:"+password); return "/user/success"; }
2、通过httpservletrequest接收
@requestmapping("/adduser2") public string adduser2(httpservletrequest request) { string username = request.getparameter("username"); string password = request.getparameter("password"); system.out.println("username is:"+username); system.out.println("password is:"+password); return "/user/success"; }
3、通过一个bean来接收
1)建立一个和表单中参数对应的bean
public class user { private string username; private string password; public string getusername() { return username; } //getter,setter方法。。. }
2)用这个bean来封装接收的参数
@requestmapping("/adduser3") public string adduser3(user user) { system.out.println("username is:"+user.getusername()); system.out.println("password is:"+user.getpassword()); return "/user/success"; }
4、通过json数据接收
<%@ page language="java" contenttype="text/html; charset=utf-8" pageencoding="utf-8"%> <!doctype html public "-//w3c//dtd html 4.01 transitional//en" "http://www.w3.org/tr/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <title>add user</title> <script type="text/javascript" src="${pagecontext.request.contextpath}/resource/script/jquery-1.9.1.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#button_submit").click(function(){ var name = $("#username").val(); var pass = $("#password").val(); var user = {username:name,password:pass};//拼装成json格式 $.ajax({ type:"post", url:"${pagecontext.request.contextpath}/user/adduser4", data:user, success:function(data){ alert("成功"); }, error:function(e) { alert("出错:"+e); } }); }); }); </script> </head> <body> <form> <table> <tr> <td>账号</td> <td> <input type="text" id="username" name="username"> </td> </tr> <tr> <td>密码</td> <td> <input type="password" id="password" name="password"> </td> </tr> <tr> <td> </td> <td> <input type="button" id="button_submit" value="提交"> </td> </tr> </table> </form> </body> </html>
依然可以使用bean来接收json数据
@requestmapping("/adduser4") public string adduser4(user user) { system.out.println("username is:"+user.getusername()); system.out.println("password is:"+user.getpassword()); return "/user/success"; }
5、使用jquery的serializearray() 方法序列化表单元素
如果表单元素很多,手工拼装成json数据非常麻烦,可以使用jquery提供的serializearray()方法序列化表单元素,返回json数据结构数据。
<%@ page language="java" contenttype="text/html; charset=utf-8" pageencoding="utf-8"%> <!doctype html public "-//w3c//dtd html 4.01 transitional//en" "http://www.w3.org/tr/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <title>add user</title> <script type="text/javascript" src="${pagecontext.request.contextpath}/resource/script/jquery-1.9.1.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#button_submit").click(function(){ //序列化表单元素,返回json数据 var params = $("#userform").serializearray(); //也可以把表单之外的元素按照name value的格式存进来 //params.push({name:"hello",value:"man"}); $.ajax({ type:"post", url:"${pagecontext.request.contextpath}/user/adduser5", data:params, success:function(data){ alert("成功"); }, error:function(e) { alert("出错:"+e); } }); }); }); </script> </head> <body> <form id="userform"> <table> <tr> <td>账号</td> <td> <input type="text" id="username" name="username"> </td> </tr> <tr> <td>密码</td> <td> <input type="password" id="password" name="password"> </td> </tr> <tr> <td> </td> <td> <input type="button" id="button_submit" value="提交"> </td> </tr> </table> </form> </body> </html>
依然可以使用bean来接收json数据:
@requestmapping("/adduser5") public string adduser5(user user) { system.out.println("username is:"+user.getusername()); system.out.println("password is:"+user.getpassword()); return "/user/success"; }
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