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
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< 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 >
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3.创建实体类
4.引入一个(类名)dao.xml
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< 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 >
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5.创建一个(类名)dao
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public void update(Accounting a);
public Accounting findMoneyByName(String name);
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6.写service
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public void remit(String from,String to, double money);
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7.写serviceimpl
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@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);
}
}
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8.引入applicationContext.xml
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< 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 >
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9.引入db.properties文件和log4j.properties文件
10.引入springmvc.xml文件
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< 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 >
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11.jsp页面编写
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//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 }
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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