1.引入相关依赖
<?xml version="1.0" encoding="UTF-8"?>
<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.ywj</groupId>
<artifactId>SSM_Student</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>SSM_Student Maven Webapp</name>
<!-- FIXME change it to the project's website -->
<url>http://www.example.com</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<maven.compiler.plugin.version>3.7.0</maven.compiler.plugin.version>
<!--添加jar包依赖-->
<!--1.spring 5.0.2.RELEASE相关-->
<spring.version>5.1.3.RELEASE</spring.version>
<!--2.mybatis相关-->
<mybatis.version>3.4.6</mybatis.version>
<!--mysql-->
<mysql.version>5.1.47</mysql.version>
<!--pagehelper分页jar依赖-->
<pagehelper.version>5.1.2</pagehelper.version>
<!--mybatis与spring集成jar依赖-->
<mybatis.spring.version>1.3.1</mybatis.spring.version>
<!--<!–3.dbcp2连接池相关 druid–>-->
<!--<commons.dbcp2.version>2.1.1</commons.dbcp2.version>-->
<!--<commons.pool2.version>2.4.3</commons.pool2.version>-->
<!--4.log日志相关-->
<log4j2.version>2.9.1</log4j2.version>
<!--5.其他-->
<json.version>2.9.5</json.version>
<junit.version>4.12</junit.version>
<servlet.version>4.0.0</servlet.version>
<lombok.version>1.18.2</lombok.version>
<upload.version>1.3.1</upload.version>
</properties>
<dependencies>
<!-- ********************** spring依赖 ********************** -->
<!--1)spring核心依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<!--spring ioc依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<!--spring 扩展依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<!--2)spring dao层依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<!--3)aop相关依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<!--4)spring web相关依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<!--5) spring test相关依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!--6)springMVC-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<!--2.mybatis相关-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!--mysql-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<!--pagehelper分页插件jar包依赖-->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>${pagehelper.version}</version>
</dependency>
<!--mybatis与spring集成jar包依赖-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis.spring.version}</version>
</dependency>
<!-- 数据库连接池https://mvnrepository.com/artifact/com.alibaba/druid -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.10</version>
</dependency>
<!--4.log日志相关依赖-->
<!--核心log4j2jar包-->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j2.version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>${log4j2.version}</version>
</dependency>
<!--web工程需要包含log4j-web,非web工程不需要-->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-web</artifactId>
<version>${log4j2.version}</version>
</dependency>
<!--json-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${json.version}</version>
</dependency>
<!--5.其他-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>${servlet.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<!-- 文件上传 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>${upload.version}</version>
</dependency>
</dependencies>
<build>
<finalName>SSM_Student</finalName>
<resources>
<!--解决mybatis-generator-maven-plugin运行时没有将XxxMapper.xml文件放入target文件夹的问题-->
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
</includes>
</resource>
<!--解决mybatis-generator-maven-plugin运行时没有将jdbc.properites文件放入target文件夹的问题-->
<resource>
<directory>src/main/resources</directory>
<includes>
<include>db.properties</include>
<include>*.xml</include>
</includes>
</resource>
</resources>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven.compiler.plugin.version}</version>
<configuration>
<source>${maven.compiler.source}</source>
<target>${maven.compiler.target}</target>
<encoding>${project.build.sourceEncoding}</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.2</version>
<dependencies>
<!--使用Mybatis-generator插件不能使用太高版本的mysql驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
</dependencies>
<configuration>
<overwrite>true</overwrite>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
2.整合mybatis
数据库信息文件
db.username=root
db.password=root
db.driverClass=com.mysql.jdbc.Driver
db.jdbcUrl=jdbc:mysql://127.0.0.1:3306/crm?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT
db.initialSize=10
db.minIdle=6
db.maxActive=50
db.maxWait=60000
db.timeBetweenEvictionRunsMillis=60000
db.minEvictableIdleTimeMillis=300000
db.validationQuery=SELECT 'x'
db.testWhileIdle=true
db.testOnBorrow=false
db.testOnReturn=false
db.poolPreparedStatements=false
db.maxPoolPreparedStatementPerConnectionSize=20
db.filters=wall,stat
创建applicationContex-mybatis.xml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:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
<!-- 注解驱动 -->
<context:annotation-config/>
<!-- 用注解方式注入bean,并指定查找范围:com.ywj.ssm-->
<context:component-scan base-package="com.ywj.ssm">
<!--不去扫描控制器-->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 注册数据库相关信息文件 -->
<context:property-placeholder location="classpath:db.properties" />
<!-- 使用数据库连接池进行管理数据库连接(配置数据库连接池信息) -->
<!-- 数据源 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
init-method="init" destroy-method="close">
<!-- 数据库基本信息配置 -->
<property name="url" value="${db.jdbcUrl}" />
<property name="username" value="${db.username}" />
<property name="password" value="${db.password}" />
<property name = "driverClassName" value = "${db.driverClass}" />
<!-- 初始化连接数量 -->
<property name="initialSize" value="${db.initialSize}" />
<!-- 最小空闲连接数 -->
<property name="minIdle" value="${db.minIdle}" />
<!-- 最大并发连接数 -->
<property name="maxActive" value="${db.maxActive}" />
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="${db.maxWait}" />
<!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="${db.timeBetweenEvictionRunsMillis}" />
<!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="${db.minEvictableIdleTimeMillis}" />
<property name="validationQuery" value="${db.validationQuery}" />
<property name="testWhileIdle" value="${db.testWhileIdle}" />
<property name="testOnBorrow" value="${db.testOnBorrow}" />
<property name="testOnReturn" value="${db.testOnReturn}" />
<!-- 打开PSCache,并且指定每个连接上PSCache的大小 如果用Oracle,则把poolPreparedStatements配置为true,mysql可以配置为false。 -->
<property name="poolPreparedStatements" value="${db.poolPreparedStatements}" />
<property name="maxPoolPreparedStatementPerConnectionSize"
value="${db.maxPoolPreparedStatementPerConnectionSize}" />
<!-- 配置监控统计拦截的filters -->
<property name="filters" value="${db.filters}" />
</bean>
<!--4. spring和MyBatis整合 -->
<!--1) 创建sqlSessionFactory-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 指定数据源 -->
<property name="dataSource" ref="dataSource"/>
<!-- 自动扫描XxxMapping.xml文件,**任意路径 -->
<property name="mapperLocations" value="classpath*:com/ywj/ssm/mapper/*.xml"/>
<!--指定别名 -->
<property name="typeAliasesPackage" value="com/ywj/ssm/model"/>
<!--配置pagehelper插件-->
<property name="plugins">
<array>
<bean class="com.github.pagehelper.PageInterceptor">
<property name="properties">
<value>
helperDialect=mysql
</value>
</property>
</bean>
</array>
</property>
</bean>
<!--2) 自动扫描com/zking/oa/**/mapper下的所有XxxMapper接口(其实就是DAO接口),并实现这些接口,-->
<!-- 即可直接在程序中使用dao接口,不用再获取sqlsession对象-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--basePackage 属性是映射器接口文件的包路径。-->
<!--你可以使用分号或逗号 作为分隔符设置多于一个的包路径-->
<property name="basePackage" value="com/ywj/ssm/mapper"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
</bean>
<!--注解式事务-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>
<aop:aspectj-autoproxy/>
</beans>
然后是log4j2的信息
<?xml version="1.0" encoding="UTF-8"?>
<!-- status : 指定log4j本身的打印日志的级别.ALL< Trace < DEBUG < INFO < WARN < ERROR
< FATAL < OFF。 monitorInterval : 用于指定log4j自动重新配置的监测间隔时间,单位是s,最小是5s. -->
<Configuration status="WARN" monitorInterval="30">
<Properties>
<!-- 配置日志文件输出目录 ${sys:user.home} -->
<Property name="LOG_HOME">/root/workspace/lucenedemo/logs</Property>
<property name="ERROR_LOG_FILE_NAME">/root/workspace/lucenedemo/logs/error</property>
<property name="WARN_LOG_FILE_NAME">/root/workspace/lucenedemo/logs/warn</property>
<property name="PATTERN">%d{yyyy-MM-dd HH:mm:ss.SSS} [%t-%L] %-5level %logger{36} - %msg%n</property>
</Properties>
<Appenders>
<!--这个输出控制台的配置 -->
<Console name="Console" target="SYSTEM_OUT">
<!-- 控制台只输出level及以上级别的信息(onMatch),其他的直接拒绝(onMismatch) -->
<ThresholdFilter level="trace" onMatch="ACCEPT"
onMismatch="DENY" />
<!-- 输出日志的格式 -->
<!-- %d{yyyy-MM-dd HH:mm:ss, SSS} : 日志生产时间 %p : 日志输出格式 %c : logger的名称
%m : 日志内容,即 logger.info("message") %n : 换行符 %C : Java类名 %L : 日志输出所在行数 %M
: 日志输出所在方法名 hostName : 本地机器名 hostAddress : 本地ip地址 -->
<PatternLayout pattern="${PATTERN}" />
</Console>
<!--文件会打印出所有信息,这个log每次运行程序会自动清空,由append属性决定,这个也挺有用的,适合临时测试用 -->
<!--append为TRUE表示消息增加到指定文件中,false表示消息覆盖指定的文件内容,默认值是true -->
<File name="log" fileName="logs/test.log" append="false">
<PatternLayout
pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
</File>
<!-- 这个会打印出所有的info及以下级别的信息,每次大小超过size, 则这size大小的日志会自动存入按年份-月份建立的文件夹下面并进行压缩,作为存档 -->
<RollingFile name="RollingFileInfo" fileName="${LOG_HOME}/info.log"
filePattern="${LOG_HOME}/$${date:yyyy-MM}/info-%d{yyyy-MM-dd}-%i.log">
<!--控制台只输出level及以上级别的信息(onMatch),其他的直接拒绝(onMismatch) -->
<ThresholdFilter level="info" onMatch="ACCEPT"
onMismatch="DENY" />
<PatternLayout
pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
<Policies>
<!-- 基于时间的滚动策略,interval属性用来指定多久滚动一次,默认是1 hour。 modulate=true用来调整时间:比如现在是早上3am,interval是4,那么第一次滚动是在4am,接着是8am,12am...而不是7am. -->
<!-- 关键点在于 filePattern后的日期格式,以及TimeBasedTriggeringPolicy的interval, 日期格式精确到哪一位,interval也精确到哪一个单位 -->
<!-- log4j2的按天分日志文件 : info-%d{yyyy-MM-dd}-%i.log -->
<TimeBasedTriggeringPolicy interval="1"
modulate="true" />
<!-- SizeBasedTriggeringPolicy:Policies子节点, 基于指定文件大小的滚动策略,size属性用来定义每个日志文件的大小. -->
<!-- <SizeBasedTriggeringPolicy size="2 kB" /> -->
</Policies>
</RollingFile>
<RollingFile name="RollingFileWarn" fileName="${WARN_LOG_FILE_NAME}/warn.log"
filePattern="${WARN_LOG_FILE_NAME}/$${date:yyyy-MM}/warn-%d{yyyy-MM-dd}-%i.log">
<ThresholdFilter level="warn" onMatch="ACCEPT"
onMismatch="DENY" />
<PatternLayout
pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
<Policies>
<TimeBasedTriggeringPolicy />
<SizeBasedTriggeringPolicy size="2 kB" />
</Policies>
<!-- DefaultRolloverStrategy属性如不设置,则默认为最多同一文件夹下7个文件,这里设置了20 -->
<DefaultRolloverStrategy max="20" />
</RollingFile>
<RollingFile name="RollingFileError" fileName="${ERROR_LOG_FILE_NAME}/error.log"
filePattern="${ERROR_LOG_FILE_NAME}/$${date:yyyy-MM}/error-%d{yyyy-MM-dd-HH-mm}-%i.log">
<ThresholdFilter level="error" onMatch="ACCEPT"
onMismatch="DENY" />
<PatternLayout
pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
<Policies>
<!-- log4j2的按分钟 分日志文件 : warn-%d{yyyy-MM-dd-HH-mm}-%i.log -->
<TimeBasedTriggeringPolicy interval="1"
modulate="true" />
<!-- <SizeBasedTriggeringPolicy size="10 MB" /> -->
</Policies>
</RollingFile>
</Appenders>
<!--然后定义logger,只有定义了logger并引入的appender,appender才会生效 -->
<Loggers>
<!--过滤掉spring和mybatis的一些无用的DEBUG信息 -->
<logger name="org.springframework" level="INFO"></logger>
<logger name="org.mybatis" level="INFO"></logger>
<!-- 第三方日志系统 -->
<logger name="org.springframework" level="ERROR" />
<logger name="org.hibernate" level="ERROR" />
<logger name="org.apache.struts2" level="ERROR" />
<logger name="com.opensymphony.xwork2" level="ERROR" />
<logger name="org.jboss" level="ERROR" />
<!-- 配置日志的根节点 -->
<root level="all">
<appender-ref ref="Console" />
<appender-ref ref="RollingFileInfo" />
<appender-ref ref="RollingFileWarn" />
<appender-ref ref="RollingFileError" />
</root>
</Loggers>
</Configuration>
在这里我们使用逆向工程生成文件这里是逆向工程文件
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd" >
<generatorConfiguration>
<!-- 引入配置文件 -->
<properties resource="db.properties"/>
<!--指定数据库jdbc驱动jar包的位置-->
<classPathEntry location="D:\oxy\MyRepository\mysql\mysql-connector-java\5.1.47\mysql-connector-java-5.1.47.jar"/>
<!-- 一个数据库一个context -->
<context id="infoGuardian">
<!-- 注释 -->
<commentGenerator>
<property name="suppressAllComments" value="true"/><!-- 是否取消注释 -->
<property name="suppressDate" value="true"/> <!-- 是否生成注释代时间戳 -->
</commentGenerator>
<!-- jdbc连接 -->
<jdbcConnection driverClass="${db.driverClass}"
connectionURL="${db.jdbcUrl}" userId="${db.username}" password="${db.password}"/>
<!-- 类型转换 -->
<javaTypeResolver>
<!-- 是否使用bigDecimal, false可自动转化以下类型(Long, Integer, Short, etc.) -->
<property name="forceBigDecimals" value="false"/>
</javaTypeResolver>
<!-- 01 指定javaBean生成的位置 -->
<!-- targetPackage:指定生成的model生成所在的包名 -->
<!-- targetProject:指定在该项目下所在的路径 -->
<javaModelGenerator targetPackage="com.ywj.ssm.model"
targetProject="src/main/java">
<!-- 是否允许子包,即targetPackage.schemaName.tableName -->
<property name="enableSubPackages" value="false"/>
<!-- 是否对model添加构造函数 -->
<property name="constructorBased" value="true"/>
<!-- 是否针对string类型的字段在set的时候进行trim调用 -->
<property name="trimStrings" value="false"/>
<!-- 建立的Model对象是否 不可改变 即生成的Model对象不会有 setter方法,只有构造方法 -->
<property name="immutable" value="false"/>
</javaModelGenerator>
<!-- 02 指定sql映射文件生成的位置 -->
<sqlMapGenerator targetPackage="com.ywj.ssm.mapper"
targetProject="src/main/java">
<!-- 是否允许子包,即targetPackage.schemaName.tableName -->
<property name="enableSubPackages" value="false"/>
</sqlMapGenerator>
<!-- 03 生成XxxMapper接口 -->
<!-- type="ANNOTATEDMAPPER",生成Java Model 和基于注解的Mapper对象 -->
<!-- type="MIXEDMAPPER",生成基于注解的Java Model 和相应的Mapper对象 -->
<!-- type="XMLMAPPER",生成SQLMap XML文件和独立的Mapper接口 -->
<javaClientGenerator targetPackage="com.ywj.ssm.mapper"
targetProject="src/main/java" type="XMLMAPPER">
<!-- 是否在当前路径下新加一层schema,false路径com.oop.eksp.user.model, true:com.oop.eksp.user.model.[schemaName] -->
<property name="enableSubPackages" value="false"/>
</javaClientGenerator>
<!-- 配置表信息 -->
<!-- schema即为数据库名 -->
<!-- tableName为对应的数据库表 -->
<!-- domainObjectName是要生成的实体类 -->
<!-- enable*ByExample是否生成 example类 -->
<!--<table schema="" tableName="t_book" domainObjectName="Book"-->
<!--enableCountByExample="false" enableDeleteByExample="false"-->
<!--enableSelectByExample="false" enableUpdateByExample="false">-->
<!--<!– 忽略列,不生成bean 字段 –>-->
<!--<!– <ignoreColumn column="FRED" /> –>-->
<!--<!– 指定列的java数据类型 –>-->
<!--<!– <columnOverride column="LONG_VARCHAR_FIELD" jdbcType="VARCHAR" /> –>-->
<!--</table>-->
<table schema="" tableName="sys_user" domainObjectName="User"
enableCountByExample="false" enableDeleteByExample="false"
enableSelectByExample="false" enableUpdateByExample="false">
<!-- 忽略列,不生成bean 字段 -->
<!-- <ignoreColumn column="FRED" /> -->
<!-- 指定列的java数据类型 -->
<!-- <columnOverride column="LONG_VARCHAR_FIELD" jdbcType="VARCHAR" /> -->
</table>
</context>
</generatorConfiguration>
然后我们使用mybatis的插件生成逆向工程文件 指令为:
mybatis-generator:generate -e
然后运行之后我们的项目工程目录为箭头指明的是我后来加的
然后我们测试一下有没有配置成功
IUserService :这里只从mapper种选取了一个方法作为测试
package com.ywj.ssm.service;
import com.ywj.ssm.model.User;
import com.ywj.ssm.model.UserKey;
public interface IUserService {
User selectByPrimaryKey(UserKey key);
}
IUserServiceImpl
package com.ywj.ssm.service.impl;
import com.ywj.ssm.mapper.UserMapper;
import com.ywj.ssm.model.User;
import com.ywj.ssm.model.UserKey;
import com.ywj.ssm.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
/**
* @ClassName IUserServiceImpl
* @Author ywj
* @Describe
* @Date 2019/1/22 0022 16:42
*/
@Service
public class IUserServiceImpl implements IUserService {
@Autowired
private UserMapper userMapper;
@Override
public User selectByPrimaryKey(UserKey key) {
return userMapper.selectByPrimaryKey(key);
}
}
然后是test里的测试类这里的applicationContext.xml文件就是在文件里引用了applicationContex-mybatis.xml文件你也直接可以写applicationContex-mybatis.xml文件
package com.ywj.base.test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @ClassName SpringTest
* @Author ywj
* @Describe
* @Date 2019/1/22 0022 16:44
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:applicationContext.xml"})
public class SpringTest {
}
然后我们让idea自动生成一下测试类快捷键alt+enter
然后选中我们刚才创建的测试父类和要测试的方法即可
测试类代码
package com.ywj.ssm.service;
import com.ywj.base.test.SpringTest;
import com.ywj.ssm.model.User;
import com.ywj.ssm.model.UserKey;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import static org.junit.Assert.*;
public class IUserServiceTest extends SpringTest {
@Autowired
private IUserService userService;
@Test
public void selectByPrimaryKey() {
UserKey userKey=new UserKey();
userKey.setUsrId(1l);
userKey.setUsrName("admin");
User user = userService.selectByPrimaryKey(userKey);
System.out.println(user);
}
}
数据库信息
执行结果:
配置springMVC
修改web.xml这里要配置好不然 有的你哭的
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<display-name>Archetype Created Web Application</display-name>
<!-- Spring和web项目集成start -->
<!-- spring上下文配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!-- 读取Spring上下文的监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- Spring和web项目集成end -->
<!-- 防止Spring内存溢出监听器 -->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<!-- 中文乱码处理 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<!--web.xml 3.0的新特性,是否支持异步-->
<async-supported>true</async-supported>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Spring MVC servlet -->
<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--此参数可以不配置,默认值为:/WEB-INF/springmvc-servlet.xml-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<!--web.xml 3.0的新特性,是否支持异步-->
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
然后是spring-mvc.xml这里只是简单配置了
<?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:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<!--1.配置注解扫描位置-->
<aop:aspectj-autoproxy/>
<context:component-scan base-package="com.ywj.ssm"/>
<!--2.配置处理器映射,通过注解查找-->
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"></bean>
<!--3.配置适配器-->
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
<!--配置json转换器 告诉springmvc使用jackson转换-->
<property name="messageConverters">
<list>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>
</list>
</property>
</bean>
<!--4.配置资源视图解析-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!--前缀 这里是活的,你根据你的实际情况改动-->
<property name="prefix" value="/"></property>
<!--后缀-->
<property name="suffix" value=".jsp"></property>
</bean>
<!--5.配置多视图,既可以返回json,也可以返回xml-->
<bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
<!--配置支持媒体类型-->
<property name="contentNegotiationManager">
<bean class="org.springframework.web.accept.ContentNegotiationManagerFactoryBean">
<property name="mediaTypes">
<map>
<entry key="json" value="application/json"></entry>
<entry key="xml" value="application/xml"></entry>
</map>
</property>
</bean>
</property>
<!--指定默认视图-->
<property name="defaultViews">
<!--支持多个视图-->
<list>
<!--对json的支持-->
<bean class="org.springframework.web.servlet.view.json.MappingJackson2JsonView"/>
<!--对xml的支持-->
<bean class="org.springframework.web.servlet.view.xml.MarshallingView">
<constructor-arg>
<bean class="org.springframework.oxm.jaxb.Jaxb2Marshaller">
<property name="classesToBeBound">
<list>
<!--这里指的是要被解析的实体类-->
<value>com.ywj.entity.Student</value>
</list>
</property>
</bean>
</constructor-arg>
</bean>
</list>
</property>
</bean>
<!--上传文件-->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!--上传文件的最大大小-->
<property name="maxUploadSize" value="17367648787"></property>
<!--上传文件的编码-->
<property name="defaultEncoding" value="UTF-8"></property>
</bean>
</beans>
然后测试类测试
package com.ywj.ssm.controller;
import com.ywj.ssm.model.User;
import com.ywj.ssm.model.UserKey;
import com.ywj.ssm.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
/**
* @ClassName UserController
* @Author ywj
* @Describe
* @Date 2019/1/22 0022 17:03
*/
@Controller
public class UserController {
@Autowired
private IUserService iUserService;
@RequestMapping("list.do")
public String list(Model model){
UserKey userKey=new UserKey();
userKey.setUsrId(1L);
userKey.setUsrName("admin");
User user = iUserService.selectByPrimaryKey(userKey);
model.addAttribute("user",user);
return "user";
}
}
页面结果
到这里简易的ssm整合就完成了