详解spring+springmvc+mybatis整合注解

时间:2022-07-07 18:07:00

每天记录一点点,慢慢的成长,今天我们学习了ssm,这是我自己总结的笔记,大神勿喷!谢谢,主要代码!! !

spring&springmvc&mybatis整合(注解)

1.jar包

2.引入web.xml文件

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <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.xml</param-value>
    </init-param>
  </servlet>
 
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>*.action</url-pattern>
</servlet-mapping>

3.创建实体类

4.引入一个(类名)dao.xml

?
1
2
3
4
5
6
<update id="update" parameterType="accounting" >
    update accounting set money=#{money} where name=#{name}
  </update>
  <select id="findMoneyByName" parameterType="string" resultType="accounting">
    select * from accounting where name=#{name}
</select>

5.创建一个(类名)dao

?
1
2
public void update(Accounting a);
public Accounting findMoneyByName(String name);

6.写service

?
1
public void remit(String from,String to,double money);

7.写serviceimpl

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
@Service
public class AccountServiceImpl implements AccountService {
  @Autowired
  private AccountDao ad;
  @Override
  public void remit(String from, String to, double money) {
    Accounting fromAccount=ad.findMoneyByName(from);
    fromAccount.setMoney(fromAccount.getMoney()-money);
    ad.update(fromAccount);
    Accounting toAccount=ad.findMoneyByName(to);
    toAccount.setMoney(toAccount.getMoney()+money);
    ad.update(toAccount);
  }
 
}

8.引入applicationContext.xml

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
<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"
  xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
    http://www.springframework.org/schema/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-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/aop
    http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">
 
  <!-- 加载db.properties文件中的内容,db.properties文件中key命名要有一定的特殊规则 -->
  <context:property-placeholder location="classpath:db.properties" />
  <!-- 配置数据源 ,dbcp -->
 
  <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
    destroy-method="close">
    <property name="driverClassName" value="${jdbc.driver}" />
    <property name="url" value="${jdbc.url}" />
    <property name="username" value="${jdbc.username}" />
    <property name="password" value="${jdbc.password}" />
    <property name="maxActive" value="30" />
    <property name="maxIdle" value="5" />
  </bean>
  <!-- sqlSessionFactory -->
  <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    <!-- 数据库连接池 -->
    <property name="dataSource" ref="dataSource" />
    <!-- 加载mybatis的全局配置文件 -->
    <property name="configLocation" value="classpath:sqlMapConfig.xml" />
  </bean>
 
 
  <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource"/>
  </bean>
  <tx:advice id="txAdvice" transaction-manager="transactionManager">
    <tx:attributes>
      <tx:method name="*" propagation="REQUIRED"/>
    </tx:attributes>
  </tx:advice>
  <aop:config>
    <aop:advisor advice-ref="txAdvice" pointcut="execution(* service..*.*(..))"/>
  </aop:config>
 
 
  <!-- mapper扫描器 -->
  <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    <!-- 扫描包路径,如果需要扫描多个包,中间使用半角逗号隔开 -->
    <property name="basePackage" value="dao"></property>
    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
  </bean>
 
</beans>

9.引入db.properties文件和log4j.properties文件

10.引入springmvc.xml文件

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
<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"
  xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
    http://www.springframework.org/schema/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-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/aop
    http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">
  <mvc:annotation-driven></mvc:annotation-driven>
  <context:component-scan base-package="action"></context:component-scan>
  <context:component-scan base-package="service"></context:component-scan>
</beans>

11.jsp页面编写

?
1
2
3
4
5
6
7
8
9
//index.jsp:
 <form action="account_execute.action" method="post">
  汇款人:<input type="text" name="from"/>
  收款人:<input type="text" name="to"/>
  钱数:<input type="text" name="money"/>
  <input type="submit"/>
 </form>
//message.jsp
${message }

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。

原文链接:http://blog.csdn.net/white_black007/article/details/70830635