spring mvc 参数传递的三种方式

时间：2023-03-08 22:54:16
spring mvc 参数传递的三种方式

springmvc.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"

    xmlns:context="http://www.springframework.org/schema/context"

    xsi:schemaLocation="http://www.springframework.org/schema/mvc

     http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd

        http://www.springframework.org/schema/beans

        http://www.springframework.org/schema/beans/spring-beans-4.1.xsd

        http://www.springframework.org/schema/context

        http://www.springframework.org/schema/context/spring-context-4.1.xsd">

    <!-- spring mvc 注解驱动 -->

    <mvc:annotation-driven />

    <!-- 扫描器 -->

    <context:component-scan base-package="com" />

    <!-- 配置视图 解析器 -->

    <bean

        class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <!-- 前缀和后缀 -->

        <property name="prefix" value="/"></property>

        <property name="suffix" value=".jsp"></property>

    </bean>

</beans>

controller

package com.stone.controller;

import java.text.SimpleDateFormat;

import java.util.Date;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.propertyeditors.CustomDateEditor;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.ServletRequestDataBinder;

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

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

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

import com.stone.bean.UserInfo;

/**

 * user/list.do user/add.do

 */

@Controller

@RequestMapping("/user")

public class UserController {

    @RequestMapping("/add1.do")

    public String add(HttpServletRequest request) {

        String userNum = request.getParameter("userNum");

        String passWord = request.getParameter("passWord");

        System.out.println("userNum:" + userNum + "   passWord:" + passWord);

        return "user_add1";

    }

    @RequestMapping("/add2.do")

    public String add2(

            @RequestParam(value = "number", defaultValue = "123") String userNum,

            String passWord) {

        System.out.println("userNum:" + userNum + "   passWord:" + passWord);

        return "user_add1";

    }

    @RequestMapping("/add3.do")

    public String add3(UserInfo user) {

        System.out.println(user);

        return "user_add1";

    }

    @RequestMapping("/add4.do")

    public String add4(Integer userId, Date userTime) {

        System.out.println(userId);

        System.out.println(userTime);

        return "user_add1";

    }

    /**

     * 时间属性编辑器

     */

//    @InitBinder

//    public void initBinder(ServletRequestDataBinder bin) {

//        SimpleDateFormat dateFormat = new SimpleDateFormat(

//                "yyyy-MM-dd HH:mm:ss");

//        CustomDateEditor cust = new CustomDateEditor(dateFormat, true);

//        bin.registerCustomEditor(Date.class, cust);

//    }

}

jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<%

    String path = request.getContextPath();

    String basePath = request.getScheme() + "://"

            + request.getServerName() + ":" + request.getServerPort()

            + path + "/";

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<base href="<%=basePath%>">

<title>hello</title>

<meta http-equiv="pragma" content="no-cache">

<meta http-equiv="cache-control" content="no-cache">

<meta http-equiv="expires" content="0">

</head>

<body>

    <h1>用户信息添加</h1>

    <form action="user/add1.do" method="post">

        账号：<input name="userNum" type="text" /> 密码:<input name="passWord"

            type="text" /> <input type="submit" />

    </form>

    <h1>用户信息添加</h1>

    <form action="user/add2.do" method="post">

        账号：<input name="number" type="text" /> 密码:<input name="passWord"

            type="text" /> <input type="submit" />

    </form>

    <h1>用户信息添加</h1>

    <form action="user/add3.do" method="post">

        账号：<input name="userId" type="text" /><br /> 姓名:<input

            name="userName" type="text" /> 性别:<input name="userSex" type="text" />

            兴趣爱好：

            <input type="checkbox" name="userxq" value="LOL"/>LOL

            <input type="checkbox" name="userxq" value="英雄"/>英雄

            <input type="checkbox" name="userxq" value="DOTA"/>DOTA<br/>

            时间：<input name="userTime" type="text" />

        <input type="submit" />

    </form>

    <h1>用户信息添加</h1>

    <form action="user/add4.do" method="post">

        账号：<input name="userId" type="text" /><br />

            时间：<input name="userTime" type="text" />

        <input type="submit" />

    </form>

</body>

</html>

java bean

package com.stone.bean;

import java.util.Arrays;

import java.util.Date;

import org.springframework.format.annotation.DateTimeFormat;

public class UserInfo {

    private Integer userId;

    private String userName;

    private String userSex;

    private String[] userxq;

    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")

    private Date userTime;

    @Override

    public String toString() {

        return "UserInfo [userId=" + userId + ", userName=" + userName

                + ", userSex=" + userSex + ", userxq="

                + Arrays.toString(userxq) + ", userTime=" + userTime + "]";

    }

    public Date getUserTime() {

        return userTime;

    }

    public void setUserTime(Date userTime) {

        this.userTime = userTime;

    }

    public String[] getUserxq() {

        return userxq;

    }

    public void setUserxq(String[] userxq) {

        this.userxq = userxq;

    }

    public Integer getUserId() {

        return userId;

    }

    public void setUserId(Integer userId) {

        this.userId = userId;

    }

    public String getUserName() {

        return userName;

    }

    public void setUserName(String userName) {

        this.userName = userName;

    }

    public String getUserSex() {

        return userSex;

    }

    public void setUserSex(String userSex) {

        this.userSex = userSex;

    }

}

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