spring接收参数

public class LogonModel

{

    private String UserName;

    private String Password;

    public String getUserName() {

        return UserName;

    }

    public void setUserName(String userName) {

        this.UserName = userName;

    }

    public String getPassword() {

        return Password;

    }

    public void setPassword(String password) {

        this.Password = password;

    }

}

定义Bean

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.servlet.ModelAndView;

import com.spinfo.entity.User;

@Controller

public class LoginController{

    @RequestMapping("/hello")

    public String handleRequest(HttpServletRequest arg0, HttpServletResponse arg1) throws Exception

    {

        System.out.println("运行springmvc2--Controller");

        return "login";

    }

    /**

     * SpringMVC接收表单参数

     * 第一种方式:

     * 直接把表单的参数写在Controller相应的方法的形参中,返回一个String,该String表示成功跳转到的页面的名称:String.jsp,其路径通过spring-servlet.xml来配置

     * @param request

     * @param response

     * @return

     * @throws Exception

     */

//    @RequestMapping("/login")

//    public String login(String username,String password) throws Exception{

//        System.out.println("username:"+username+" password:"+password);

//        return "success";

//    }

    /**

     * SpringMVC接收表单参数

     * 第二种方式:

     * 通过HttpServletRequest来接收表单参数

     * @param request

     * @param response

     * @return

     * @throws Exception

     */

//    @RequestMapping("/login")

//    public String login(HttpServletRequest request,HttpServletResponse response) throws Exception{

//        String username = request.getParameter("username");

//        String password = request.getParameter("password");

//        System.out.println("usrename:"+username+"  / password:"+password+request.getContextPath());

//        return "success";

//    }

    /**

     * SpringMVC接收表单参数

     * 第三种方式:

     * 通过一个bean来接收，建立一个和表单中参数对应的bean,用这个bean来封装接收的参数

     * @return

     * @throws Exception

//     */

//    @RequestMapping("/login")

//    public String login(User user) throws Exception{

//        System.out.println("usrename:"+user.getUsername()+"  / password:"+user.getPassword());

//        return "success";

//    }

    /**

     * SpringMVC接收表单参数

     * 第四种方式:

     * 通过json数据接收,将表单的数据封装成json字符串来接收,依然可以通过bean来封装接收参数

     * @return

     * @throws Exception

     */

//    @RequestMapping("/login")

//    public String login(User user) throws Exception{

//        System.out.println("usrename:"+user.getUsername()+"  / password:"+user.getPassword());

//        return "success";

//    }

    @RequestMapping("/login")

    public ModelAndView login(String username,String password){

        System.out.println("usrename:"+username+"  / password:"+password);

        String message = "helloSpringMVC";

        return new ModelAndView("success","message",message);

    }

}

接收参数方法

<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>

Jquery传参