Spring学习笔记——第四天
Spring学习打卡
- Spring学习笔记---第四天
- Spring笔记 第四天
- SS整合(Spring+Struts2)
- SSM整合（配置文件版）
- SSM整合(注解版)
Spring学习笔记—第四天
Spring笔记 第四天
SS整合(Spring+Struts2)
环境搭建：
1.引入相关依赖
<dependency>
<groupId>junitgroupId>
<artifactId>junitartifactId>
<version>4.11version>
<scope>testscope>
dependency>
<dependency>
<groupId>javax.servletgroupId>
<artifactId>servlet-apiartifactId>
<version>2.5version>
<scope>providedscope>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-coreartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-contextartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-context-supportartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-aspectsartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-txartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-jdbcartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-webartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-beansartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-expressionartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-aopartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.apache.strutsgroupId>
<artifactId>struts2-coreartifactId>
<version>2.3.16version>
dependency>
<dependency>
<groupId>org.apache.strutsgroupId>
<artifactId>struts2-spring-pluginartifactId>
<version>2.3.16version>
dependency>
<dependency>
<groupId>mysqlgroupId>
<artifactId>mysql-connector-javaartifactId>
<version>5.1.38version>
dependency>
<dependency>
<groupId>log4jgroupId>
<artifactId>log4jartifactId>
<version>1.2.15version>
dependency>
<dependency>
<groupId>org.slf4jgroupId>
<artifactId>slf4j-log4j12artifactId>
<version>1.7.5version>
dependency>
2.初始化配置 web.xml
Struts2核心过滤器
<filter>
<filter-name>struts2filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilterfilter-class>
filter>
<filter-mapping>
<filter-name>struts2filter-name>
<url-pattern>/*url-pattern>
filter-mapping>
Spring的工厂监听器
作用:在web开发中，创建Spring的工厂
开发步骤：
1.定义Service接口
2.实现Service接口
3.配置Service的相关信息
4.开发Action
5.配置Action的相关信息
6.配置Struts.xml
SSM整合（配置文件版）
整合思路：
环境搭建：
1.引入相关依赖
<dependency>
<groupId>javax.servletgroupId>
<artifactId>servlet-apiartifactId>
<version>2.5version>
<scope>providedscope>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-coreartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-contextartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-context-supportartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-aspectsartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-txartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-jdbcartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-webartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-beansartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-expressionartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-aopartifactId>
<version>4.3.2.RELEASEversion>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatisartifactId>
<version>3.2.8version>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatis-springartifactId>
<version>1.3.2version>
dependency>
<dependency>
<groupId>org.apache.strutsgroupId>
<artifactId>struts2-coreartifactId>
<version>2.3.16version>
dependency>
<dependency>
<groupId>org.apache.strutsgroupId>
<artifactId>struts2-spring-pluginartifactId>
<version>2.3.16version>
dependency>
<dependency>
<groupId>mysqlgroupId>
<artifactId>mysql-connector-javaartifactId>
<version>5.1.38version>
dependency>
<dependency>
<groupId>commons-dbcpgroupId>
<artifactId>commons-dbcpartifactId>
<version>1.4version>
dependency>
<dependency>
<groupId>com.alibabagroupId>
<artifactId>fastjsonartifactId>
<version>1.2.47version>
dependency>
<dependency>
<groupId>log4jgroupId>
<artifactId>log4jartifactId>
<version>1.2.15version>
dependency>
<dependency>
<groupId>jstlgroupId>
<artifactId>jstlartifactId>
<version>1.2version>
dependency>
<dependency>
<groupId>javax.servlet.jspgroupId>
<artifactId>jsp-apiartifactId>
<version>2.2version>
dependency>
2.初始化配置 web.xml
Struts2的核心过滤器
Spring的工厂监听器
<web-app>
<context-param>
<param-name>contextConfigLocationparam-name>
<param-value>classpath:applicationContext.xmlparam-value>
context-param>
<filter>
<filter-name>struts2filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilterfilter-class>
filter>
<filter-mapping>
<filter-name>struts2filter-name>
<url-pattern>/*url-pattern>
filter-mapping>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListenerlistener-class>
listener>
web-app>
开发步骤:
1.建表
2.写实体
3.定义DAO接口
4.Mapper文件实现DAO接口
5.在Spring配置文件中配置mybatis的相关内容
6.定义Service接口
7.实现Service接口
8.配置Service的相关信息
9.配置额外功能事务
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource">property>
bean>
<tx:advice id="dstm" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="modify*"/>
<tx:method name="*" propagation="SUPPORTS" read-only="true">tx:method>
tx:attributes>
tx:advice>
<aop:config>
<aop:pointcut id="pc" expression="execution(* com.baizhi.service..*.*(..))">aop:pointcut>
<aop:advisor advice-ref="dstm" pointcut-ref="pc">aop:advisor>
aop:config>
10.开发Action
11.配置Action的相关信息
<bean id="userAction" class="com.baizhi.action.UserAction" scope="prototype">
<property name="userService" ref="userService">property>
bean>
12.配置Struts的相关信息
<package name="user" extends="struts-default" namespace="/user">
<action name="register" class="userAction" method="register">
<result name="index">
/index.jsp
result>
action>
package>
SSM整合(注解版)
作用: 替换配置文件中繁琐的配置 提高开发效率
使用：
1.把对应注解放置在对应的位置上
2.告知Spring框架在哪一个位置使用了注解
常用注解：
1.@Component 创建简单对象
位置：类的上边
注意：默认提供的ID 是该类类名首字母小写
2.@Autowired 给属性进行自动注入
前提：Spring工厂中已经拥有该实现类对象
3.@Service 创建Service的实现类对象
4.@Transactional 给对应的方法添加事务
前提：激活@Transactional 注解
5.@Controller 自动创建Action的对象
默认ID类名首字母小写
6.@Scope 指定创建对象的次数
SSM(注解版)开发步骤
环境搭建：
<web-app>
<context-param>
<param-name>contextConfigLocationparam-name>
<param-value>classpath:applicationContext.xmlparam-value>
context-param>
<filter>
<filter-name>struts2filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilterfilter-class>
filter>
<filter-mapping>
<filter-name>struts2filter-name>
<url-pattern>/*url-pattern>
filter-mapping>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListenerlistener-class>
listener>
web-app>
步骤：
1.建表
2.写实体
3.定义DAO接口
4.Mapper文件实现DAO接口
5.在Spring配置文件中配置mybatis的相关内容
6.定义Service接口
7.实现Service接口
@Service
@Autowire
8.为Service添加声明式事务
9.开发Action
@Controller
@Scope
@Autowire
10.配置Action的相关信息
11.告知Spring框架 扫描对应的注解
补充：
Spring注解与Junit集成
1.引入对应依赖
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-testartifactId>
<version>4.3.2.RELEASEversion>
dependency>
2.使用
package com.baizhi.test;
import com.baizhi.dao.UserDAO;
import com.baizhi.entity.User;
import com.baizhi.service.UserService;
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 java.util.List;
//集成注解
@RunWith(SpringJUnit4ClassRunner.class)
//自动构建Spring工厂 相当于 //创建Spring的工厂
// ApplicationContext ac=new ClassPathXmlApplicationContext("applicationContext.xml");
@ContextConfiguration("classpath:applicationContext.xml")
public class TestAnonationDriven {
@Autowired
private UserDAO userDAO;
@Autowired
private UserService userService;
@Test
public void test1(){
List<User> users = userDAO.selectAll();
for (User user : users) {
System.out.println(user);
}
}
@Test
public void test2(){
userService.register(new User("111","瞎说说","123",18));
}
}
Druid连接池的使用
1.引入druid对应的依赖
<dependency>
<groupId>com.alibabagroupId>
<artifactId>druidartifactId>
<version>1.0.19version>
dependency>
2.配置
