3S3整合

本文介绍了一个基于SpringMVC+Spring+SpringJDBC的整合案例,包括web.xml和applicationContext.xml的配置细节,以及如何实现登录注册功能。文章还提供了单元测试代码示例。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

SpringMVC +Spring+ SpringJDBC整合实例。文件结构:

SpringMVC + Spring + SpringJDBC整合

SpringMVC + Spring + SpringJDBC整合

 

3S3(3Spring3.x)的整合大致如下:

1)web.xml的配置:

 

01<?xml version="1.0" encoding="UTF-8"?>
02<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
03  <display-name></display-name>
04  <welcome-file-list>
05    <welcome-file>index.jsp</welcome-file>
06  </welcome-file-list>
07  <listener>
08    <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
09  </listener>
10  <servlet>
11    <servlet-name>spring</servlet-name>
12    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
13    <init-param>
14      <param-name>contextConfigLocation</param-name>
15      <param-value>classpath:*applicationContext.xml</param-value>
16    </init-param>
17    <load-on-startup>1</load-on-startup>
18  </servlet>
19  <servlet-mapping>
20    <servlet-name>spring</servlet-name>
21    <url-pattern>*.do</url-pattern>
22  </servlet-mapping>
23  <!-- 统一字符编码为UTF-8 -->
24  <filter>
25    <filter-name>setcharacter</filter-name>
26    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
27    <init-param>
28      <param-name>encoding</param-name>
29      <param-value>utf-8</param-value>
30    </init-param>
31  </filter>
32  <filter-mapping>
33    <filter-name>setcharacter</filter-name>
34    <url-pattern>/*</url-pattern>
35  </filter-mapping>
36</web-app>

 2)applicationContext.xml的配置:

001<?xml version="1.0" encoding="UTF-8" ?>
002<beans xmlns="http://www.springframework.org/schema/beans"
003    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
004    xmlns:context="http://www.springframework.org/schema/context"
005    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
006    xsi:schemaLocation="http://www.springframework.org/schema/beans
007       http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
008       http://www.springframework.org/schema/context
009       http://www.springframework.org/schema/context/spring-context-3.0.xsd
010       http://www.springframework.org/schema/tx
011       http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
012       http://www.springframework.org/schema/aop
013       http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
014 
015    <context:property-placeholder location="classpath:jdbc.properties" />
016 
017    <!-- 扫描类包,将标注Spring注解的类自动转化Bean,同时完成Bean的注入 -->
018    <context:component-scan base-package="com.controller" />
019    <context:component-scan base-package="com.service" />
020    <context:component-scan base-package="com.dao" />
021 
022    <!-- 配置数据源 -->
023    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
024        destroy-method="close">
025        <property name="driverClass">
026            <value>${jdbc.driverClassName}</value>
027        </property>
028        <property name="jdbcUrl">
029            <value>${jdbc.url}</value>
030        </property>
031        <property name="user">
032            <value>${jdbc.username}</value>
033        </property>
034        <property name="password">
035            <value>${jdbc.password}</value>
036        </property>
037        <!--连接池中保留的最小连接数。 -->
038        <property name="minPoolSize">
039            <value>5</value>
040        </property>
041        <!--连接池中保留的最大连接数。Default: 15 -->
042        <property name="maxPoolSize">
043            <value>30</value>
044        </property>
045        <!--初始化时获取的连接数,取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
046        <property name="initialPoolSize">
047            <value>10</value>
048        </property>
049        <!--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 -->
050        <property name="maxIdleTime">
051            <value>60</value>
052        </property>
053        <!--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 -->
054        <property name="acquireIncrement">
055            <value>5</value>
056        </property>
057        <!--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。
058            如果maxStatements与maxStatementsPerConnection均为0,则缓存被关闭。Default: 0 -->
059        <property name="maxStatements">
060            <value>0</value>
061        </property>
062        <!--每60秒检查所有连接池中的空闲连接。Default: 0 -->
063        <property name="idleConnectionTestPeriod">
064            <value>60</value>
065        </property>
066        <!--定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 -->
067        <property name="acquireRetryAttempts">
068            <value>30</value>
069        </property>
070        <!--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
071            获取连接失败后该数据源将申明已断开并永久关闭。Default: false -->
072        <property name="breakAfterAcquireFailure">
073            <value>true</value>
074        </property>
075        <!--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
076            等方法来提升连接测试的性能。Default: false -->
077        <property name="testConnectionOnCheckout">
078            <value>false</value>
079        </property>
080    </bean>
081 
082    <!-- 配置Jdbc模板 -->
083    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
084        <property name="dataSource" ref="dataSource"></property>
085    </bean>
086 
087    <!-- 配置事务管理器 -->
088    <bean id="transactionManager"
089        class="org.springframework.jdbc.datasource.DataSourceTransactionManager"
090        p:dataSource-ref="dataSource" />
091 
092    <!-- 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 -->
093    <aop:config proxy-target-class="true">
094        <aop:pointcut id="serviceMethod"
095            expression=" execution(* com.service..*(..))" />
096        <aop:advisor pointcut-ref="serviceMethod" advice-ref="txAdvice" />
097    </aop:config>
098    <tx:advice id="txAdvice" transaction-manager="transactionManager">
099        <tx:attributes>
100            <tx:method name="*" />
101        </tx:attributes>
102    </tx:advice>
103 
104    <!-- 启动Spring MVC的注解功能,完成请求和注解POJO的映射 -->
105    <bean
106        class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
107     
108     
109    <!-- 配置视图解析器,将ModelAndView及字符串解析为具体的页面 -->
110    <bean
111        class="org.springframework.web.servlet.view.InternalResourceViewResolver"
112        p:viewClass="org.springframework.web.servlet.view.JstlView" p:prefix="/WEB-INF/jsp/"
113        p:suffix=".jsp" />
114 
115</beans>
3)jdbc.properties的配置:
1jdbc.driverClassName=com.mysql.jdbc.Driver
2jdbc.url=jdbc:mysql://localhost:3306/test2
3jdbc.username=root
4jdbc.password=123456
4)log4j.properties的配置:
1log4j.rootLogger=DEBUG,A1
2# \u8f93\u51fa\u5230\u63a7\u5236\u53f0
3log4j.appender.A1=org.apache.log4j.ConsoleAppender
4log4j.appender.A1.layout=org.apache.log4j.PatternLayout
5log4j.appender.A1.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} [\u65E5\u5FD7\u4FE1\u606F] %m%n

 5)User.java

01package com.model;
02 
03import java.io.Serializable;
04 
05@SuppressWarnings("serial")
06public class User implements Serializable {
07     
08    private int id;
09    private String userName;
10    private String password;
11     
12    public String getUserName() {
13        return userName;
14    }
15    public void setUserName(String userName) {
16        this.userName = userName;
17    }
18    public String getPassword() {
19        return password;
20    }
21    public void setPassword(String password) {
22        this.password = password;
23    }
24    public int getId() {
25        return id;
26    }
27    public void setId(int id) {
28        this.id = id;
29    }
30     
31 
32}
6)UserController.java
01package com.controller;
02 
03import org.springframework.beans.factory.annotation.Autowired;
04import org.springframework.stereotype.Controller;
05import org.springframework.web.bind.annotation.RequestMapping;
06import org.springframework.web.servlet.ModelAndView;
07 
08import com.model.User;
09import com.service.UserService;
10 
11@Controller
12public class UserComtroller {
13     
14    @Autowired
15    private UserService userService;
16     
17    @RequestMapping("/user/loginView")
18    public String loginView(){
19        return "login";
20    }
21     
22    @RequestMapping("/user/registerView")
23    public String registerView(){
24        return "register";
25    }
26     
27    @RequestMapping("/user/login")
28    public ModelAndView login(User user){
29        ModelAndView mav = new ModelAndView();
30        User u = userService.loginCheck(user);
31        if(null==u){
32            mav.setViewName("login");
33            mav.addObject("errorMsg","用户名或密码有误!");
34            return mav;
35        }
36        else{
37            mav.setViewName("success");
38            mav.addObject("user", u);
39            return mav;
40        }
41    }
42     
43    @RequestMapping("/user/register")
44    public ModelAndView register(User user){
45        ModelAndView mav = new ModelAndView();
46        if(userService.register(user)){
47            mav.setViewName("register_succ");
48            return mav;
49        }
50        else{
51            mav.setViewName("register");
52            mav.addObject("errorMsg","用户名已被占用,请更换!!");
53            return mav;
54        }
55    }
56}
7)UserService Interface
1package com.service;
2 
3import com.model.User;
4 
5 
6public interface UserService {
7    public boolean register(User user);
8    public User loginCheck(User user);
9}
8)UserServiceImp.java
01package com.service.implement;
02 
03import org.springframework.beans.factory.annotation.Autowired;
04import org.springframework.stereotype.Service;
05 
06import com.dao.UserDao;
07import com.model.User;
08import com.service.UserService;
09 
10@Service
11public class UserServiceImpl implements UserService {
12 
13    @Autowired
14    private UserDao userDao;
15     
16    @Override
17    public User loginCheck(User user) {
18        User u  = userDao.findUserByUserName(user.getUserName());
19        System.out.println("id="+u.getId()+",  userName="+u.getUserName()+", password="+u.getPassword());
20        if(user.getPassword().equals(u.getPassword())){
21            return u;
22        }
23        else{
24            return null;
25        }
26    }
27 
28    @Override
29    public boolean register(User user) {
30        User u =  userDao.findUserByUserName(user.getUserName());
31        if(u.getId()==0){
32            userDao.register(user);
33            return true;
34        }
35        else{
36            System.out.println("id="+u.getId()+",  userName="+u.getUserName()+", password="+u.getPassword());
37            return false;
38        }
39    }
40 
41}
9)UserDao Interface
1package com.dao;
2 
3import com.model.User;
4 
5public interface UserDao {
6    public void register(User user);
7    public User findUserByUserName(final String userName);
8}
10)UserDaoImpl.java
01package com.dao.implement;
02 
03import java.sql.ResultSet;
04import java.sql.SQLException;
05 
06import org.springframework.beans.factory.annotation.Autowired;
07import org.springframework.jdbc.core.JdbcTemplate;
08import org.springframework.jdbc.core.RowCallbackHandler;
09import org.springframework.stereotype.Repository;
10 
11import com.dao.UserDao;
12import com.model.User;
13 
14@Repository
15public class UserDaoImpl implements UserDao {
16     
17    @Autowired
18    private JdbcTemplate jdbcTemplate;
19 
20    @Override
21    public void register(User user) {
22        String sqlStr = "insert into user(uname,pwd) values(?,?)";
23        Object[] params = new Object[]{user.getUserName(),user.getPassword()};
24        jdbcTemplate.update(sqlStr, params);
25    }
26 
27    @Override
28    public User findUserByUserName(String userName) {
29        String sqlStr = "select id,uname,pwd from user where uname=?";
30        final User user = new User();
31        jdbcTemplate.query(sqlStr, new Object[]{userName}, new RowCallbackHandler() {
32            @Override
33            public void processRow(ResultSet rs) throws SQLException {
34                user.setId(rs.getInt("id"));
35                user.setUserName(rs.getString("uname"));
36                user.setPassword(rs.getString("pwd"));
37            }
38        });
39        return user;
40    }
41 
42}
11)单元测试:test/com.service.implement

-UserServiceImplTest.java

01package com.service.implement;
02 
03import org.junit.Test;
04import org.junit.runner.RunWith;
05import org.springframework.beans.factory.annotation.Autowired;
06import org.springframework.test.context.ContextConfiguration;
07import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
08 
09import com.model.User;
10import com.service.UserService;
11 
12 
13@RunWith(SpringJUnit4ClassRunner.class)
14@ContextConfiguration(locations="/applicationContext.xml")
15public class UserServiceTest {
16     
17    @Autowired
18    private UserService userService;
19     
20    @Test
21    public void testLoginCheck(){
22        User user = new User();
23        user.setUserName("manager2");
24        user.setPassword("123");
25        if(null!=userService.loginCheck(user))
26            System.out.println("------OK!!-----");
27        else
28            System.out.println("------Sorry!!-----");
29    }
30     
31    @Test
32    public void testRegister(){
33        User user = new User();
34        user.setUserName("manager");
35        user.setPassword("123");
36        System.out.println(userService.register(user));
37    }
38 
39}
12)测试结果:

SpringMVC + Spring + SpringJDBC整合

SpringMVC + Spring + SpringJDBC整合

评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值