IDEA+Maven+Spring+SpringMVC+SpringJDBC整合Demo

项目结构

项目说明

一个简单的网站登陆注册web项目Demo，基于最新版的IDEA15+Maven3+Spring4.2.5+SpringMVC4.2.5+SpringJDBC4.2.5实现

pom.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.zzkun</groupId>
    <artifactId>MySpring</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.apache.tomcat</groupId>
            <artifactId>tomcat-catalina</artifactId>
            <version>8.0.30</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.9</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.38</version>
        </dependency>
        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
        </dependency>
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
    </dependencies>
</project>

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web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">

    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc-servlet.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

</web-app>

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springmvc-servlet.xml (spring配置文件)

<?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:aop="http://www.springframework.org/schema/aop" 
       xmlns:tx="http://www.springframework.org/schema/tx"
       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 
       http://www.springframework.org/schema/aop 
       http://www.springframework.org/schema/aop/spring-aop.xsd 
       http://www.springframework.org/schema/tx 
       http://www.springframework.org/schema/tx/spring-tx.xsd">

    <context:property-placeholder location="classpath:jdbc.properties"/>
    <context:component-scan base-package="com.zzkun.controller"/>
    <context:component-scan base-package="com.zzkun.service"/>
    <context:component-scan base-package="com.zzkun.dao"/>
    <mvc:annotation-driven/>

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
          destroy-method="close">
        <property name="driverClass" value="${jdbc.driverClassName}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <!--连接池中保留的最小连接数。 -->
        <property name="minPoolSize" value="5"/>
        <!--连接池中保留的最大连接数。Default: 15 -->
        <property name="maxPoolSize" value="30"/>
        <!--初始化时获取的连接数，取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
        <property name="initialPoolSize" value="10"/>
        <!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
        <property name="maxIdleTime" value="60"/>
        <!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
        <property name="acquireIncrement" value="5"/>
        <!--JDBC的标准参数，用以控制数据源内加载的PreparedStatements数量。但由于预缓存的statements 属于单个connection而不是整个连接池。所以设置这个参数需要考虑到多方面的因素。
            如果maxStatements与maxStatementsPerConnection均为0，则缓存被关闭。Default: 0 -->
        <property name="maxStatements" value="0"/>
        <!--每60秒检查所有连接池中的空闲连接。Default: 0 -->
        <property name="idleConnectionTestPeriod" value="60"/>
        <!--定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 -->
        <property name="acquireRetryAttempts" value="30"/>
        <!--获取连接失败将会引起所有等待连接池来获取连接的线程抛出异常。但是数据源仍有效 保留，并在下次调用getConnection()的时候继续尝试获取连接。如果设为true，那么在尝试
            获取连接失败后该数据源将申明已断开并永久关闭。Default: false -->
        <property name="breakAfterAcquireFailure" value="true"/>
        <!--因性能消耗大请只在需要的时候使用它。如果设为true那么在每个connection提交的 时候都将校验其有效性。建议使用idleConnectionTestPeriod或automaticTestTable
            等方法来提升连接测试的性能。Default: false -->
        <property name="testConnectionOnCheckout" value="false"/>
    </bean>

    <!-- 配置Jdbc模板 -->
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 配置事务管理器 -->
    <bean id="transactionManager"
          class="org.springframework.jdbc.datasource.DataSourceTransactionManager"
          p:dataSource-ref="dataSource" />

    <!-- 通过AOP配置提供事务增强，让service包下所有Bean的所有方法拥有事务 -->
    <aop:config proxy-target-class="true">
        <aop:pointcut id="serviceMethod"
                      expression=" execution(* com.zzkun.service..*(..))" />
        <aop:advisor pointcut-ref="serviceMethod" advice-ref="txAdvice" />
    </aop:config>
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="*" />
        </tx:attributes>
    </tx:advice>

</beans>

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jdbc.properties（SpringJDBC配置文件）

jdbc.driverClassName = com.mysql.jdbc.Driver
jdbc.url = jdbc:mysql://localhost:3306/mytest1?characterEncoding=utf8&useSSL=true
jdbc.username = root
jdbc.password = ******

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model层（User）

package com.zzkun.model;

import java.io.Serializable;
import java.io.SerializablePermission;

/**
 * Created by kun on 2016/5/5.
 */
public class User implements Serializable {
    private int id;
    private String username;
    private String password;

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    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;
    }
}

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DAO层（UserDao）

package com.zzkun.dao;

import com.zzkun.model.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowCallbackHandler;
import org.springframework.stereotype.Repository;

import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * Repository用于标注数据访问组件，即DAO组件
 * Created by kun on 2016/5/5.
 */
@Repository
public class UserDao {

    @Autowired
    private JdbcTemplate jdbcTemplate;

    public void register(User user) {
        String sql = "insert into user(username, password) values(?, ?)";
        jdbcTemplate.update(sql, user.getUsername(), user.getPassword());

    }
    public User findUserByUserName(String userName) {
        String sql = "select id, username, password from user where username=?";
        User user = new User();
        jdbcTemplate.query(sql, new Object[]{userName}, new RowCallbackHandler() {
            @Override
            public void processRow(ResultSet resultSet) throws SQLException {
                user.setId(resultSet.getInt("id"));
                user.setUsername(resultSet.getString("username"));
                user.setPassword(resultSet.getString("password"));
            }
        });
        return user;
    }
}

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Service层（UserService）

package com.zzkun.service;

import com.zzkun.dao.UserDao;
import com.zzkun.model.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * Service用于标注业务层组件
 * Created by kun on 2016/5/5.
 */
@Service
public class UserService {

    @Autowired
    private UserDao userDao;

    public boolean register(User user) {
        User u = userDao.findUserByUserName(user.getUsername());
        if(u.getId() == 0) {
            userDao.register(user);
            return true;
        }
        return false;
    }

    public boolean loginCheck(User user) {
        User u = userDao.findUserByUserName(user.getUsername());
        return user.getPassword().equals(u.getPassword());
    }
}

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Controller层（UserController）

package com.zzkun.controller;

import com.zzkun.model.User;
import com.zzkun.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

/**
 * Controller用于标注控制层组件
 * Created by kun on 2016/5/5.
 */
@Controller
@RequestMapping(value = "/user")
public class UserController {

    @Autowired
    private UserService userService;

    @RequestMapping("/loginView")
    public String loginView(){
        return "login.jsp";
    }

    @RequestMapping("/login")
    public ModelAndView login(User user){
        ModelAndView mav = new ModelAndView();
        System.out.println(user.getUsername() + " " + user.getPassword());
        if(!userService.loginCheck(user)) {
            mav.setViewName("login.jsp");
            mav.addObject("errorMsg", "用户名或密码错误！");
        } else {
            mav.setViewName("success.jsp");
            mav.addObject("user", user);
        }
        return mav;
    }
}

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用户服务测试类（UserServiceTest）

package com.zzkun.service;

import com.zzkun.model.User;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import static org.junit.Assert.*;

/**
 * Created by kun on 2016/5/5.
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:springmvc-servlet.xml")
public class UserServiceTest {

    @Autowired
    private UserService userService;

    @Test
    public void register() throws Exception {
        User user = new User();
        user.setUsername("zzk");
        user.setPassword("123456");
        assertEquals(true, userService.register(user));
    }

    @Test
    public void loginCheck() throws Exception {
        User user = new User();
        user.setUsername("zzk");
        user.setPassword("123456");
        assertEquals(true, userService.loginCheck(user));
        user.setPassword("111111");
        assertEquals(false, userService.loginCheck(user));
    }
}

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login.jsp页面

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%--
  Created by IntelliJ IDEA.
  User: kun
  Date: 2016/5/5
  Time: 16:18
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>用户登录</title>
</head>
<body>
    <c:if test="${!empty errorMsg}">
        <h3>${errorMsg}</h3>
    </c:if>
    <form action="login" method="post">
        <h2>欢迎登陆</h2>
        <p>
            <label for="username">用户名</label>
            <input type="text" id="username" name="username">
        </p>
        <p>
            <label for="password">密码</label>
            <input type="password" id="password" name="password">
        </p>
        <p>
            <input type="submit" value="登陆">
        </p>
    </form>
</body>
</html>

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success.jsp页面

<%--
  Created by IntelliJ IDEA.
  User: kun
  Date: 2016/5/5
  Time: 16:23
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>登陆成功</title>
</head>
<body>
    <h3>恭喜${user.username}, 登陆成功！</h3>
</body>
</html>

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网站测试

github源代码

https://github.com/kun368/MySpring