spring boot 学习--08---搭建ssmm-01

来源:互联网 发布:淘宝网男士长袖t恤 编辑:程序博客网 时间:2024/06/07 20:02

前言: 现在在企业中一般都是用SSMM框架来进行开发。
SSMM(springmvc + spring + mybatis+ mysql)

从分层角度来说
- springmvc 控制层
- spring service 层
- mybatis dao层
- mysql 数据库

从我个人而言,需要用springboot来搭建SSMM框架,前提是能先用xml配置的方式搭建起来,这样在用springboot的时候,可以思路清晰一些,下面就开始来搭建,我先搭建一份xml 格式SSMM,在由xml 转向springboot,这样就会发现springboot的配置是怎么来的。

  1. 思路
    • 创建maven项目
    • 导入pom.xml
    • 配置web.xml
    • 配置数据库连接,连接池,sessionFactory,事务,扫描注入的配置
    • 创建数据库
    • 写测试用例
    • 测试添加
    • 测试事物
    • 完成基本搭建。
    • 后续可以继续配置springmvc

按照上面的思路现在来开始搭建

(1).创建一个maven项目
(2).导入pomx.ml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">  <modelVersion>4.0.0</modelVersion>  <groupId>com.study</groupId>  <artifactId>boot-study-ssmm-xml</artifactId>  <version>1.0.0</version>  <packaging>war</packaging>   <build>    <plugins>      <plugin>        <groupId>org.apache.tomcat.maven</groupId>        <artifactId>tomcat7-maven-plugin</artifactId>        <version>2.2</version>      </plugin>    </plugins>  </build>   <properties>    <java-version>1.7</java-version>    <junit-version>4.8.2</junit-version>    <org.springframework-version>3.2.4.RELEASE</org.springframework-version>    <jackson-mapper-asl-version>1.9.12</jackson-mapper-asl-version>    <jackson-core-asl-version>1.9.12</jackson-core-asl-version>    <mysql-connector-java-version>5.1.8</mysql-connector-java-version>    <org.mybatis-version>3.2.7</org.mybatis-version>    <org.mybatis-spring-version>1.2.2</org.mybatis-spring-version>    <opensymphony-version>2.4.2</opensymphony-version>    <freemarker-version>2.3.9</freemarker-version>    <c3p0-version>0.9.1.2</c3p0-version>    <commons-collections-version>1.0</commons-collections-version>    <commons-fileupload-version>1.2.2</commons-fileupload-version>    <org.apache.commons-version>3.1</org.apache.commons-version>    <commons-codec-version>1.6</commons-codec-version>    <dom4j-version>1.6.1</dom4j-version>    <javax.servlet-version>1.2</javax.servlet-version>    <aspectjweaver-version>1.6.6</aspectjweaver-version>    <slf4j-log4j12-version>1.6.6</slf4j-log4j12-version>    <log4j-version>1.2.16</log4j-version>    <javax.servlet-jsp-version>2.0</javax.servlet-jsp-version>    <cglib-version>2.2.2</cglib-version>    <slf4j-api-version>1.6.6</slf4j-api-version>    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties>  <dependencies>        <!-- with junit4.8.2 -->        <dependency>            <groupId>junit</groupId>            <artifactId>junit</artifactId>            <version>${junit-version}</version>            <type>jar</type>        </dependency>        <!-- with spring -->        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-core</artifactId>            <version>${org.springframework-version}</version>          </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-web</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-test</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-aspects</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-context-support</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-web</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-webmvc</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-jdbc</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-tx</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-instrument</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-instrument-tomcat</artifactId>            <version>${org.springframework-version}</version>        </dependency>        <!--springmvc 转 Json-->        <dependency>            <groupId>org.codehaus.jackson</groupId>            <artifactId>jackson-mapper-asl</artifactId>            <version>${jackson-mapper-asl-version}</version>        </dependency>        <dependency>            <groupId>org.codehaus.jackson</groupId>            <artifactId>jackson-core-asl</artifactId>            <version>${jackson-core-asl-version}</version>        </dependency>        <!--freemarker-->        <dependency>            <groupId>freemarker</groupId>            <artifactId>freemarker</artifactId>            <version>${freemarker-version}</version>        </dependency>        <!-- with mybatis-spring -->        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis</artifactId>            <version>${org.mybatis-version}</version>        </dependency>        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis-spring</artifactId>            <version>${org.mybatis-spring-version}</version>        </dependency>        <!-- jdbc driver -->         <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>            <version>${mysql-connector-java-version}</version>         </dependency>         <!-- connect pool with c3p0 -->        <dependency>            <groupId>c3p0</groupId>            <artifactId>c3p0</artifactId>            <version>${c3p0-version}</version>        </dependency>                <!-- apache commons jar -->        <dependency>            <groupId>commons-collections</groupId>            <artifactId>commons-collections</artifactId>            <version>${commons-collections-version}</version>        </dependency>        <dependency>          <groupId>commons-fileupload</groupId>          <artifactId>commons-fileupload</artifactId>          <version>${commons-fileupload-version}</version>        </dependency>        <dependency>          <groupId>org.apache.commons</groupId>          <artifactId>commons-lang3</artifactId>          <version>${org.apache.commons-version}</version>        </dependency>        <dependency>          <groupId>commons-codec</groupId>          <artifactId>commons-codec</artifactId>          <version>${commons-codec-version}</version>        </dependency>                <!-- analyze xml use dom4j -->        <dependency>           <groupId>dom4j</groupId>           <artifactId>dom4j</artifactId>           <version>${dom4j-version}</version>        </dependency>                <!-- about servlet -->        <dependency>          <groupId>javax.servlet</groupId>          <artifactId>jstl</artifactId>          <version>${javax.servlet-version}</version>        </dependency>        <dependency>            <groupId>taglibs</groupId>            <artifactId>standard</artifactId>            <version>1.1.2</version>        </dependency>        <dependency>            <groupId>javax.servlet</groupId>            <artifactId>javax.servlet-api</artifactId>            <version>3.0.1</version>            <scope>provided</scope>        </dependency>                <dependency>            <groupId>org.slf4j</groupId>            <artifactId>slf4j-log4j12</artifactId>        <version>1.6.6</version>        </dependency>         <dependency>          <groupId>log4j</groupId>          <artifactId>log4j</artifactId>          <version>1.2.17</version>        </dependency>        <dependency>             <groupId>org.slf4j</groupId>                  <artifactId>slf4j-api</artifactId>                  <version>1.6.6</version>         </dependency>        <dependency>            <groupId>javax.activation</groupId>            <artifactId>activation</artifactId>            <version>1.1.1</version>         </dependency>         <!-- memcached -->        <dependency>            <groupId>com.google.code.maven-play-plugin.spy</groupId>            <artifactId>memcached</artifactId>            <version>2.4.2</version>        </dependency>        <!-- <dependency>            <groupId>com.danga</groupId>            <artifactId>memcached</artifactId>            <version>2.0.1</version>        </dependency>        <dependency>            <groupId>memcached-util</groupId>            <artifactId>memcached</artifactId>            <version>1.1</version>        </dependency> -->        <dependency>          <groupId>cglib</groupId>          <artifactId>cglib</artifactId>          <version>${cglib-version}</version>        </dependency>        <dependency>            <groupId>net.fckeditor</groupId>            <artifactId>java-core</artifactId>            <version>2.6</version>        </dependency>        <dependency>            <groupId>org.json</groupId>            <artifactId>json</artifactId>            <version>20131018</version>        </dependency>        <dependency>            <groupId>oscache</groupId>            <artifactId>oscache</artifactId>            <version>2.4.1</version>        </dependency>        <!--jerson -->        <dependency>            <groupId>com.sun.jersey</groupId>            <artifactId>jersey-client</artifactId>            <version>1.18.1</version>        </dependency>        <!--jcaptcha -->        <!-- <dependency>            <groupId>com.octo.captcha</groupId>            <artifactId>jcaptcha-my</artifactId>            <version>1.0</version>        </dependency> -->        <!--page -->        <!-- <dependency>            <groupId>cn.itcast</groupId>            <artifactId>page</artifactId>            <version>1.0</version>        </dependency> -->  </dependencies></project>

(3)配置web.xml
- 一般我们在配置web.xml 首先会配置web.xml的头

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:javaee="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/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"    id="WebApp_ID" version="2.4">
  • 配置spring监听
<!-- Spring监听 -->    <listener >        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>    </listener>

扩展下:
一般在这里我们会配置spring监听的spring配置文件路径,默认情况下是/WEB-INF/applicationContext.xml
这里我们可以去看下源码,到底是为什么要这么配置

监听器,发现是继承ContextLoader
这里写图片描述

继续,我们去查看下ContextLoader 源码
这里写图片描述

发现这个就是我们平时配置的Context-param,原来是这么来的,看注解发现我们可以去org.springframework.web.context.support.XmlWebApplicationContext#DEFAULT_CONFIG_LOCATION 看下监听器的默认配置

继续查看XmlWebApplicationContext
这里写图片描述

到这里,明白了吧,原来默认配置在这里哈。

继续配置我们的监听文件路径,一般我习惯不用默认配置,设置如下

    <!-- spring监听文件地址 -->    <context-param>        <param-name>contextConfigLocation</param-name>        <param-value>classpath:application-context.xml</param-value>    </context-param>

创建application-context.xml

<?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:aop="http://www.springframework.org/schema/aop"    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"    xmlns:context="http://www.springframework.org/schema/context"    xsi:schemaLocation="     http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd     http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">    <import resource="config/*.xml" /></beans>

创建文件夹 config

(3)在文件夹下配置数据库连接,连接池,sessionFactory,事务,扫描注入的配置
- 扫描
- 创建annotation.xml

<?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:aop="http://www.springframework.org/schema/aop"    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"    xmlns:context="http://www.springframework.org/schema/context"    xsi:schemaLocation="     http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd     http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">     <!-- 扫描配置,排除扫描controller -->     <context:component-scan base-package="com.study">        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>     </context:component-scan>     <!-- 隐式地向 Spring容器注册AutowiredAnnotationBeanPostProcessor、     RequiredAnnotationBeanPostProcessor、CommonAnnotationBeanPostProcessor     以及PersistenceAnnotationBeanPostProcessor这4个BeanPostProcessor -->     <context:annotation-config/></beans>
  • 数据库连接 - 读取配置文件
    创建properties.xml(读取配置文件)
<?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:aop="http://www.springframework.org/schema/aop"    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"    xmlns:context="http://www.springframework.org/schema/context"    xsi:schemaLocation="     http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd     http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">     <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">        <property name="locations">            <list>                <!-- 配置Jdbc -->                <value>classpath:properties/jdbc.properties</value>             </list>        </property>     </bean>  </beans>     
  • jdbc连接
<?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:aop="http://www.springframework.org/schema/aop"    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"    xmlns:context="http://www.springframework.org/schema/context"    xsi:schemaLocation="     http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd     http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">        <property name="driverClass" value="${driverClass}"/>        <property name="jdbcUrl" value="${jdbcUrl}"></property>        <property name="user" value="${user}" />        <property name="password" value="${password}"/>    </bean></beans>     
  • mybatis 配置
<?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:aop="http://www.springframework.org/schema/aop"    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"    xmlns:context="http://www.springframework.org/schema/context"    xsi:schemaLocation="     http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd     http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">    <bean   class="org.mybatis.spring.SqlSessionFactoryBean">        <property name="dataSource" ref="dataSource" />        <property name="typeAliasesPackage" value="com.study.bean"/>        <!-- <property name="configLocation" value="classpath:mybatis-config.xml"/> -->    </bean>     <!-- 配置Mybatis扫描 -->    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">        <property name="basePackage" value="com.study.dao"/>    </bean></beans>     

创建事务transation.xml

<?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:aop="http://www.springframework.org/schema/aop"    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"    xmlns:context="http://www.springframework.org/schema/context"    xsi:schemaLocation="     http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd     http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">        <!-- spring 事务 -->    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">        <property name="dataSource" ref="dataSource"/>    </bean>    <!-- 开启注解事务-->    <tx:annotation-driven transaction-manager="transactionManager"/></beans>     

在properties文件中创建jdbc.properties

driverClass=com.mysql.jdbc.DriverjdbcUrl=jdbc:mysql://localhost:3306/test?characterEncoding=UTF-8user=rootpassword=

配置文件到这里就结束了,终于结束了。。

(4)开始创建数据库

创建 test数据库,创建下面的表

CREATE TABLE `test_tb` (  `id` int(11) NOT NULL AUTO_INCREMENT,  `name` varchar(255) DEFAULT NULL,  `birthday` datetime DEFAULT NULL,  PRIMARY KEY (`id`)) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;

(5)写测试用例
一般我会写一个通用的BaseTest,这样其他测试类直接继承就可以开始测试,不用去理会测试环境的配置

package com.study.test;import org.junit.runner.RunWith;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration(locations = {"classpath:application-context.xml"})public class BaseTest {}
package com.study.test;import java.util.Date;import org.junit.Test;import org.springframework.beans.factory.annotation.Autowired;import com.study.bean.TestTb;import com.study.service.TestTbService;public class TestTestTb extends BaseTest{    @Autowired    private TestTbService testTbService;    @Test    public void test_add(){        TestTb tb = new TestTb();        tb.setName("test");        tb.setBirthday(new Date());        testTbService.add(tb);    }}

(6)写model,service,dao,mapper,开始测试

附xml

<?xml version="1.0" encoding="UTF-8" ?>  <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.study.dao.TestTbDao">    <!--  添加测试数据  -->    <insert id="addTestTb" parameterType="TestTb">        insert into test_tb        (name,birthday)        values        (#{name},#{birthday})    </insert></mapper>

其他代码比较简单,就不附上了

(7)测试事务,一般写测试事务的时候,我会在service层抛出异常,如果异常抛出,数据数据没有添加成功,则事务配置成功,反之则没有成功。

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