Spring MVC 拦截器

SpringMvc Interceptor拦截器的配置与使用

参考

loginForm.jsp

<%--
  Created by IntelliJ IDEA.
  User: mythsky
  Date: 2017/12/5
  Time: 21:57
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>登录页面</title>
</head>
<body>
    <h3>登录页面</h3>
    <form action="login" method="post">
        <font color="red">${requestScope.message}</font>
        <table>
            <tr>
                <td><label>登录名：</label></td>
                <td><input type="text" id="loginname" name="loginname"></td>
            </tr>
            <tr>
                <td><label>密码：</label></td>
                <td><input type="text" id="password" name="password"></td>
            </tr>
            <tr><td><input type="submit" value="登录"></td></tr>
        </table>
    </form>
</body>
</html>
View Code

main.jsp

<%--
  Created by IntelliJ IDEA.
  User: mythsky
  Date: 2017/12/5
  Time: 22:04
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>书籍</title>
</head>
<body>
    <h3>欢迎[${sessionScope.user.username}]</h3>
    <br>
    <p>${requestScope.book.bookname}</p>
</body>
</html>
View Code

User

package org.mythsky.springmvcdemo.model;

import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.web.multipart.MultipartFile;

import java.io.Serializable;
import java.util.Date;

public class User implements Serializable {
    private String loginname;
    private String username;
    private String password;

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    private Date birthday;
    private MultipartFile image;

    public MultipartFile getImage() {
        return image;
    }

    public void setImage(MultipartFile image) {
        this.image = image;
    }

    public User() {
        super();
    }

    public String getLoginname() {
        return loginname;
    }

    public void setLoginname(String loginname) {
        this.loginname = loginname;
    }

    public Date getBirthday() {
        return birthday;
    }

    public void setBirthday(Date birthday) {
        this.birthday = birthday;
    }
}
View Code

UserController

package org.mythsky.springmvcdemo.controller;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.mythsky.springmvcdemo.converter.DateEditor;
import org.mythsky.springmvcdemo.model.User;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpSession;
import java.util.Date;

@Controller
public class UserController {
    private static final Log logger= LogFactory.getLog(UserController.class);
    @InitBinder
    public void initBinder(WebDataBinder binder){
        binder.registerCustomEditor(Date.class,new DateEditor());
    }
    @RequestMapping(value = "/{formName}")
    public String loginForm(@PathVariable String formName){
        return formName;
    }
    @RequestMapping(value = "/register",method = RequestMethod.POST)
    public String register(@ModelAttribute User user,Model model){
        logger.info(user);
        model.addAttribute("user",user);
        return "success";
    }
    @RequestMapping(value = "/login")
    public ModelAndView login(String loginname, String password, ModelAndView mv, HttpSession session){
        if(loginname!=null&&loginname.equals("tom")&&password!=null&password.equals("123456")){
            User user=new User();
            user.setLoginname(loginname);
            user.setPassword(password);
            user.setUsername("管理员");
            session.setAttribute("user",user);
            mv.setViewName("redirect:main");
        }else{
            mv.addObject("message","登录名或密码错误，请重新输入!");
            mv.setViewName("loginForm");
        }
        return mv;
    }
}
View Code

BookController

package org.mythsky.springmvcdemo.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class BookController {
    @RequestMapping(value = "/main")
    public String main(Model model){
        model.addAttribute("bookname","hello world");
        return "main";
    }
}
View Code

services.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:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <context:component-scan base-package="org.mythsky.springmvcdemo"></context:component-scan>
    <!--<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"></bean>-->
    <!--<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"></bean>-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>
    <mvc:annotation-driven></mvc:annotation-driven>
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <!--上传文件大小限制，单位为字节（10MB)-->
        <property name="maxUploadSize">
            <value>10485760</value>
        </property>
        <property name="defaultEncoding">
            <value>UTF-8</value>
        </property>
    </bean>
    <mvc:interceptors>
        <mvc:interceptor>
            <mvc:mapping path="/*"/>
            <bean class="org.mythsky.springmvcdemo.interceptor.AuthorizationInterceptor"></bean>
        </mvc:interceptor>
    </mvc:interceptors>
</beans>
View Code

登录页面

成功登陆页面

 

posted @ 2017-12-05 22:13  uptothesky  阅读(130)  评论(0)  编辑  收藏  举报