Spring3 登陆演示

aopalliance.jar
commons-dbcp-1.4.jar
commons-logging-1.2.jar
commons-pool.jar
hamcrest-core-1.3.jar
jstl-1.2.jar
jstl-impl.jar
junit-4.11.jar
log4j-1.2.17.jar
log4j-api-2.2.jar
log4j-core-2.2.jar
mysql-connector-java-5.1.7-bin.jar
spring-aop-3.2.9.RELEASE.jar
spring-aspects-3.2.9.RELEASE.jar
spring-beans-3.2.9.RELEASE.jar
spring-build-src-3.2.9.RELEASE.jar
spring-context-3.2.9.RELEASE.jar
spring-context-support-3.2.9.RELEASE.jar
spring-core-3.2.9.RELEASE.jar
spring-expression-3.2.9.RELEASE.jar
spring-instrument-3.2.9.RELEASE.jar
spring-instrument-tomcat-3.2.9.RELEASE.jar
spring-jdbc-3.2.9.RELEASE.jar
spring-jms-3.2.9.RELEASE.jar
spring-orm-3.2.9.RELEASE.jar
spring-oxm-3.2.9.RELEASE.jar
spring-struts-3.2.9.RELEASE.jar
spring-test-3.2.9.RELEASE.jar
spring-tx-3.2.9.RELEASE.jar
spring-web-3.2.9.RELEASE.jar
spring-webmvc-3.2.9.RELEASE.jar
spring-webmvc-portlet-3.2.9.RELEASE.jar
standard-1.1.2.jar

 1 package com.baobaotao.dao;
 2 
 3 import com.baobaotao.domain.User;
 4 import org.springframework.beans.factory.annotation.Autowired;
 5 import org.springframework.jdbc.core.JdbcTemplate;
 6 import org.springframework.jdbc.core.RowCallbackHandler;
 7 import org.springframework.stereotype.Repository;
 8 
 9 import java.sql.ResultSet;
10 import java.sql.SQLException;
11 
12 /**
13  * Created by sherry on 000028/6/28 0:53.
14  */
15 @Repository/*注解定义一个Dao*/
16 public class UserDao {
17     /*通过类型进行依赖注入*/
18     @Autowired
19     private JdbcTemplate jdbcTemplate;
20 
21     /**
22      * 用户存在数目
23      * @param userName 用户名
24      * @param password 密码
25      * @return int
26      */
27     public int getMatchCount(String userName,String password){
28         String sql = " SELECT count(1) FROM t_user WHERE user_name = ? AND password = ? ";
29         return jdbcTemplate.queryForInt(sql,new Object[]{userName,password});
30     }
31 
32     /**
33      * 查找用户
34      * @param userName 用户名
35      * @return User
36      */
37     public User findUserByUserName(String userName){
38         String sql = " SELECT user_id,user_name,credits FROM t_user WHERE user_name = ? ";
39         final User user = new User();
40         jdbcTemplate.query(sql, new Object[]{userName}, new RowCallbackHandler() {
41             @Override
42             public void processRow(ResultSet resultSet) throws SQLException {
43                 user.setUserId(resultSet.getInt("user_id"));
44                 user.setUserName(userName);
45                 user.setCredits(resultSet.getInt("credits"));
46             }
47         });
48         return user;
49     }
50 
51     /**
52      * 更新用户登录信息
53      * @param user User
54      */
55     public void updateLoginInfo(User user){
56         String sql = " UPDATE t_user SET last_visit = ?,last_ip = ?,credits = ? WHERE user_id = ? ";
57         jdbcTemplate.update(sql,new Object[]{user.getLastVisit(),user.getLastIp(),user.getCredits(),user.getUserId()});
58     }
59 }

 1 package com.baobaotao.dao;
 2 
 3 import com.baobaotao.domain.LoginLog;
 4 import org.springframework.beans.factory.annotation.Autowired;
 5 import org.springframework.jdbc.core.JdbcTemplate;
 6 import org.springframework.stereotype.Repository;
 7 
 8 /**
 9  * Created by sherry on 000028/6/28 1:04.
10  */
11 @Repository/*注解定义一个Dao*/
12 public class LoginLogDao {
13     @Autowired
14     private JdbcTemplate jdbcTemplate;
15 
16     /**
17      * 新增登录日志
18      * @param loginLog 日志信息
19      */
20     public void insertLoginLog(LoginLog loginLog){
21         String sql = " INSERT INTO t_login_log(user_id,ip,login_datetime) VALUES(?,?,?) ";
22         Object[] args = {loginLog.getUserId(),loginLog.getIp(),loginLog.getLoginDate()};
23         jdbcTemplate.update(sql,args);
24     }
25 }

package com.baobaotao.service;

import com.baobaotao.dao.LoginLogDao;
import com.baobaotao.dao.UserDao;
import com.baobaotao.domain.LoginLog;
import com.baobaotao.domain.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * Created by sherry on 000028/6/28 1:09.
 */
@Service/*注解一个服务层的Bean*/
@Transactional(rollbackFor = Exception.class)
public class UserService {
    @Autowired
    private UserDao userDao;
    @Autowired
    private LoginLogDao loginLogDao;

    /**
     * 是否存在用户
     * @param userName 用户名
     * @param password 密码
     * @return boolean
     */
    @Transactional(readOnly = true)
    public boolean hasMatchUser(String userName,String password){
        return userDao.getMatchCount(userName,password)>0;
    }

    @Transactional(readOnly = true)
    public User findUserByUserName(String userName) {
        User user = userDao.findUserByUserName(userName);
        return user;
    }

    public void loginSuccess(User user) {
        user.setCredits(user.getCredits() + 5);
        LoginLog loginLog = new LoginLog();
        loginLog.setUserId(user.getUserId());
        loginLog.setIp(user.getLastIp());
        loginLog.setLoginDate(user.getLastVisit());
        userDao.updateLoginInfo(user);
        loginLogDao.insertLoginLog(loginLog);
    }
}

<?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: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-3.2.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-3.2.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx-3.2.xsd">

    <!--打开自动扫描-->
    <context:component-scan base-package="com.baobaotao.dao"/>
    <context:component-scan base-package="com.baobaotao.service"/>

    <context:property-placeholder location="classpath:jdbc.properties"/>
    <!--配置数据源-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"
          p:driverClassName="${driverClassName}"
          p:url="${url}"
          p:username="${username_mysql}"
          p:password="${password}"/>

    <!--定义JDBC模板bean-->
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate" p:dataSource-ref="dataSource"/>

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

    <!--使用注解配置事务-->
    <tx:annotation-driven transaction-manager="transactionManager"/>

</beans>

<?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:p="http://www.springframework.org/schema/p"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-3.2.xsd">

    <context:component-scan base-package="com.baobaotao.web"/>
    <import resource="classpath:applicationContext.xml"/>
    <!--视图解析规则-->
    <bean
            class="org.springframework.web.servlet.view.InternalResourceViewResolver"
            p:viewClass="org.springframework.web.servlet.view.JstlView"
            p:prefix="/WEB-INF/jsp/"
            p:suffix=".jsp"/>

</beans>

package com.baobaotao.web;

import com.baobaotao.domain.User;
import com.baobaotao.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;

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

/**
 * Created by sherry on 000025/6/25 21:18.
 */
@Controller/*注解为Spring MVC Controller*/
public class LoginController {
    @Autowired
    private UserService userService;


    @RequestMapping(value = "/index.html")
    public String loginPage(){
        return "login";
    }


    @RequestMapping(value = "/loginController.html")
    public ModelAndView handle(HttpServletRequest request, LoginCommand loginCommand) {
        boolean isValidateUser = userService.hasMatchUser(loginCommand.getUserName(),loginCommand.getPassword());
        if (!isValidateUser){
            return new ModelAndView("login","error","用户名或密码错误");
        }else {
            User user = userService.findUserByUserName(loginCommand.getUserName());
            user.setLastIp(request.getLocalAddr());
            user.setLastVisit(new Date());
            userService.loginSuccess(user);
            request.getSession().setAttribute("user",user);
            return new ModelAndView("main");
        }
    }
}

package com.baobaotao.web;

/**
 * Created by sherry on 000025/6/25 21:19.
 */
public class LoginCommand {
    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;
    }
}

<?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">
    <!--从类路径加载配置文件-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <!--启动Spring监听容器-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoader</listener-class>
    </listener>
    
    
    <!--Spring MVC 主控 Servlet-->
    <servlet>
        <servlet-name>baobaotao</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>2</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>baobaotao</servlet-name>
        <url-pattern>*.html</url-pattern>
    </servlet-mapping>
</web-app>