ssm整合

项目目录

1.引入必要的依赖pom.xml

<properties>
        <project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
        <maven.compiler.source>1.8maven.compiler.source>
        <maven.compiler.target>1.8maven.compiler.target>
        <spring.version>5.1.0.RELEASEspring.version>
    properties>

    <dependencies>
        <dependency>
            <groupId>junitgroupId>
            <artifactId>junitartifactId>
            <version>4.11version>
            <scope>testscope>
        dependency>

        <dependency>
            <groupId>javax.servletgroupId>
            <artifactId>javax.servlet-apiartifactId>
            <version>3.1.0version>
        dependency>

        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-coreartifactId>
            
            <version>${spring.version}version>
        dependency>
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-contextartifactId>
            <version>${spring.version}version>
        dependency>

        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-beansartifactId>
            <version>${spring.version}version>
        dependency>

        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-context-supportartifactId>
            <version>${spring.version}version>
        dependency>

        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-webartifactId>
            <version>${spring.version}version>
        dependency>

        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-webmvcartifactId>
            <version>${spring.version}version>
        dependency>

        
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-oxmartifactId>
            <version>${spring.version}version>
        dependency>

        
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-txartifactId>
            <version>${spring.version}version>
        dependency>

        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-jdbcartifactId>
            <version>${spring.version}version>
        dependency>

        <dependency>
            <groupId>org.mybatisgroupId>
            <artifactId>mybatisartifactId>
            <version>3.5.1version>
        dependency>

        
        <dependency>
            <groupId>org.mybatisgroupId>
            <artifactId>mybatis-springartifactId>
            <version>2.0.1version>
        dependency>

        <dependency>
            <groupId>com.alibabagroupId>
            <artifactId>druidartifactId>
            <version>1.1.10version>
        dependency>

        <dependency>
            <groupId>mysqlgroupId>
            <artifactId>mysql-connector-javaartifactId>
            <version>5.1.6version>
        dependency>


        <dependency>
            <groupId>jstlgroupId>
            <artifactId>jstlartifactId>
            <version>1.2version>
        dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.coregroupId>
            <artifactId>jackson-databindartifactId>
            <version>2.9.9version>
        dependency>

        <dependency>
            <groupId>org.slf4jgroupId>
            <artifactId>slf4j-log4j12artifactId>
            <version>1.7.25version>
        dependency>
        <dependency>
            <groupId>org.mybatis.generatorgroupId>
            <artifactId>mybatis-generator-coreartifactId>
            <version>1.3.2version>
        dependency>
    dependencies>


<plugins>
            <plugin>
                <groupId>org.mybatis.generatorgroupId>
                <artifactId>mybatis-generator-maven-pluginartifactId>
                <version>1.3.2version>
                <configuration>
                    <configurationFile>${basedir}/src/main/resources/generator/generator.xmlconfigurationFile>
                    <overwrite>trueoverwrite>
                    <verbose>trueverbose>
                configuration>
            plugin>
        plugins>

2.mybatis逆向xml配置文件generator.xml

DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
    
    <classPathEntry location="E:\mysql-connector-java-5.1.6.jar" />
    
    <context id="mysql" targetRuntime="MyBatis3">
        
        <property name="javaFileEncoding" value="UTF-8"/>
        
        <property name="javaFormatter" value="org.mybatis.generator.api.dom.DefaultJavaFormatter"/>
        
        <property name="xmlFormatter" value="org.mybatis.generator.api.dom.DefaultXmlFormatter"/>
        <commentGenerator>
            
            <property name="suppressAllComments" value="false" />
            
            <property name="suppressDate" value="true"/>
        commentGenerator>
        
        <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/db_test?characterEncoding=UTF-8" userId="root" password="5445abcd">
        jdbcConnection>
        <javaTypeResolver>
            <property name="forceBigDecimals" value="false" />
        javaTypeResolver>
        
        <javaModelGenerator targetPackage="com.wolf.model" targetProject="src/main/java">
            <property name="enableSubPackages" value="false" />
            <property name="trimStrings" value="true" />
        javaModelGenerator>
        
        <sqlMapGenerator targetPackage="mapper" targetProject="src/main/resources">
            <property name="enableSubPackages" value="true" />
        sqlMapGenerator>
        
        <javaClientGenerator type="XMLMAPPER" targetPackage="com.wolf.mapper" targetProject="src/main/java">
            <property name="enableSubPackages" value="true" />
        javaClientGenerator>
        
        
        <table tableName="user" domainObjectName="User" />
    context>
generatorConfiguration>

3.db.properties

datasource.driver=com.mysql.jdbc.Driver
datasource.url=jdbc:mysql://localhost:3306/db_test?useUnicode=true&characterEncoding=utf-8&serverTimezone=GMT
datasource.password=root
datasource.username=root

4.log4j.properties

log4j.rootLogger=info, A1 , R
log4j.appender.A1=org.apache.log4j.ConsoleAppender
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} [%c]-[%p] %m -(:%L)%n

log4j.appender.R=org.apache.log4j.RollingFileAppender
log4j.appender.R.File=D:\\log\\testsocket_log.log
log4j.appender.R.MaxFileSize=100KB
log4j.appender.R.MaxBackupIndex=1
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%p %t %c - %m%n

5.springmvc.properties

view.prefix=/
view.suffix=.jsp

6.编写配置类

6.1 SpringConfig

package com.wolf.config;

import com.alibaba.druid.pool.DruidDataSource;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.core.io.Resource;

import javax.sql.DataSource;

@Configuration
//spring托管类所在的包路径
@ComponentScan({"com.wolf.service"})
//spring相关参数所在的资源文件(数据库信息文件）
@PropertySource("classpath:db.properties")
//代理mapper接口
@MapperScan("com.wolf.mapper")
public class SpringConfig{
    //数据源参数
    @Value("${datasource.driver}")
    private String driverClass;
    @Value("${datasource.url}")
    private String url;
    @Value("${datasource.username}")
    private String username;
    @Value("${datasource.password}")
    private String password;
    /**
     * spring注入数据源
     * @return
     */
    @Bean
    public DruidDataSource getDataSource() {
        DruidDataSource dataSource = new DruidDataSource();
        dataSource.setDriverClassName(driverClass);
        dataSource.setUrl(url);
        dataSource.setUsername(username);
        dataSource.setPassword(password);
        return dataSource;
    }
    //sessionFactory
    @Bean("sessionFactory")
    public SqlSessionFactoryBean getSqlSessionFactoryBean(DataSource dataSource)throws Exception{
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        //设置，mapper.xml映射路径（默认是和mapper接口在同一路径）
        GenericApplicationContext context = new GenericApplicationContext();
        Resource[] resources = context.getResources("classpath:mapper/*.xml");
        sessionFactory.setMapperLocations(resources);
        return sessionFactory;
    }
}

6.2SpringMMCConfig

package com.wolf.config;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

@EnableWebMvc
@Configuration
@ComponentScan("com.wolf.controller")
@PropertySource("classpath:springmvc.properties")
public class SpringMVCConfig implements WebMvcConfigurer {
    @Value("${view.prefix}")
    private String prefix;
    @Value("${view.suffix}")
    private String suffix;
    @Bean
    public InternalResourceViewResolver getViewResolver(){
        return new InternalResourceViewResolver(prefix,suffix);
    }

    //配置静态资源可以被访问
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }
}

6.3MyWebAppInitializer

package com.wolf.config;

import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;

/**
 * 配置容器初始化时需要加载的配置类
 */
public class MyWebAppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {

    @Override
    protected Class<?>[] getRootConfigClasses() {
        return new Class[]{SpringConfig.class};
    }

    @Override
    protected Class<?>[] getServletConfigClasses() {
        return new Class[]{SpringMVCConfig.class};
    }

    @Override
    protected String[] getServletMappings() {
        return new String[]{"/"};
    }
}

7.剩下的交给mybatis逆向生成

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