框架篇:Spring+SpringMVC+Mybatis整合开发

 

前言:

  前面我已搭建过ssh框架(http://www.cnblogs.com/xrog/p/6359706.html)。

  然而mybatis表示不服啊。 Hibernate:“不服便战!”

  我们先看下对战双方阵势:

                Hiberate    VS  Mybatis

   第一回合:开发速度

      刷图难度:Hibernate前期升级需要大量经验,所以你想玩转Hibernate,得多打打小怪,看看攻略什么的.

           Mybatis相对简单许多,只要MySQL这件装备强化上去,刷怪轻轻松松

      刷图效率:Mybatis需要我们手动写sql语句,回归最原始的方式,所以可以按需求制定查询的字段,

              提高效率,由于是自己编写sql语句,所以查询的灵活度也比hibernate高。

           Hibernate的查询会将表中的所有字段查询出来,这一点性能消耗比Mybatis大。当然,

              Hibernate也可以自己写SQL来指定需要查询的字段,但这样就破坏了Hibernate封装

              以及开发的简洁性。

   第二回合:数据库移植性

      Mybatis由于所有SQL都是依赖数据库书写的,所以扩展性,迁移性比较差。

      Hibernate与数据库具体的关联都在XML中,所以HQL对具体是用什么数据库并不是很关心。

 

   第三回合:缓存机制对比

      相同点:Hibernate和Mybatis的二级缓存除了采用系统默认的缓存机制外,都可以通过实现你自己的缓存或为

          其他第三方缓存方案,创建适配器来完全覆盖缓存行为。

      不同点:Hibernate的二级缓存配置在SessionFactory生成的配置文件中进行详细配置,

            然后再在具体的表-对象映射中配置是那种缓存。

          MyBatis的二级缓存配置都是在每个具体的表-对象映射中进行详细配置,这样针对不同的表可以自定义

            不同的缓存机制。并且Mybatis可以在命名空间中共享相同的缓存配置和实例,通过Cache-ref来实现。  

      两者比较:因为Hibernate对查询对象有着良好的管理机制,用户无需关心SQL。所以在使用二级缓存时如果出现脏数据,

           系统会报出错误并提示。而MyBatis在这一方面,使用二级缓存时需要特别小心。如果不能完全确定数据更新

           操作的波及范围,避免Cache的盲目使用。否则,脏数据的出现会给系统的正常运行带来很大的隐患。

 

 

    总结:    

      Mybatis:小巧、方便、高效、简单、直接、半自动化

      Hibernate:强大、方便、高效、复杂、间接、全自动化

 

好了,没时间解释了,快上车

导包

还是老套路,就不多说了,配置pom.xml: 

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>XRom</groupId>
    <artifactId>ssm</artifactId>
    <packaging>war</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>ssm Maven Webapp</name>
    <url>http://maven.apache.org</url>

    <!--此处统一配置版本信息-->
    <properties>
        <!-- spring版本 -->
        <springVersion>4.3.1.RELEASE</springVersion>
        <!-- mybatis版本 -->
        <mybatis.version>3.2.6</mybatis.version>
        <!--<mysqlVersion>6.0.3</mysqlVersion>-->
        <mysqlVersion>5.1.38</mysqlVersion>

        <lombokVersion>1.16.10</lombokVersion>
        <log4jVersion>1.2.17</log4jVersion>
        <slf4jVersion>1.7.7</slf4jVersion>
        <fileuploadVersion>1.3.1</fileuploadVersion>
        <jstlVersion>1.2</jstlVersion>
        <!--<taglibVersion>1.1.2</taglibVersion>-->
        <!--<servletVersion>3.0-alpha-1</servletVersion>-->
    </properties>

    <dependencies>
        <dependency>
          <groupId>junit</groupId>
          <artifactId>junit</artifactId>
          <version>3.8.1</version>
          <scope>test</scope>
        </dependency>

        <!-- spring-->
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-beans</artifactId>
          <version>${springVersion}</version>
        </dependency>

        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-core</artifactId>
          <version>${springVersion}</version>
        </dependency>

        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-context</artifactId>
          <version>${springVersion}</version>
        </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-orm</artifactId>
          <version>${springVersion}</version>
        </dependency>

        <!-- spring web + spring MVC-->
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-web</artifactId>
          <version>${springVersion}</version>
        </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-webmvc</artifactId>
          <version>${springVersion}</version>
        </dependency>

        <!-- mybatis核心包 -->
        <dependency>
          <groupId>org.mybatis</groupId>
          <artifactId>mybatis</artifactId>
          <version>${mybatis.version}</version>
        </dependency>
        <!-- mybatis + spring -->
        <dependency>
          <groupId>org.mybatis</groupId>
          <artifactId>mybatis-spring</artifactId>
          <version>1.2.2</version>
        </dependency>


        <!-- DataBase数据库连接 mysql包-->
        <dependency>
          <groupId>mysql</groupId>
          <artifactId>mysql-connector-java</artifactId>
          <version>${mysqlVersion}</version>
        </dependency>

        <!-- 导入dbcp的jar包,用来在applicationContext.xml中配置数据库 -->
        <dependency>
          <groupId>commons-dbcp</groupId>
          <artifactId>commons-dbcp</artifactId>
          <version>1.2.2</version>
        </dependency>

        <!-- log4j配置, 视情况添加-->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4jVersion}</version>
        </dependency>
        <!--<dependency>-->
            <!--<groupId>com.alibaba</groupId>-->
            <!--<artifactId>fastjson</artifactId>-->
            <!--<version>1.1.41</version>-->
        <!--</dependency>-->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4jVersion}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4jVersion}</version>
        </dependency>

        <!--文件上传包-->
        <dependency>
          <groupId>commons-fileupload</groupId>
          <artifactId>commons-fileupload</artifactId>
          <version>${fileuploadVersion}</version>
        </dependency>

        <!-- jsp页面使用的jstl支持-->
        <dependency>
          <groupId>jstl</groupId>
          <artifactId>jstl</artifactId>
          <version>${jstlVersion}</version>
        </dependency>

        <!-- lombok插件导包-->
        <dependency>
          <groupId>org.projectlombok</groupId>
          <artifactId>lombok</artifactId>
          <version>${lombokVersion}</version>
          <scope>provided</scope>
        </dependency>
    </dependencies>


    <build>
        <finalName>ssm</finalName>

        <plugins>
            <!--java8-->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>

            <!-- mybatis-generator-maven-plugin-->
            <plugin>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-maven-plugin</artifactId>
                <version>1.3.2</version>
                <configuration>
                    <verbose>true</verbose>
                    <overwrite>true</overwrite>
                </configuration>
            </plugin>

        </plugins>
    </build>
</project>

 

  

OK,配置后运行下maven,就会自动向中央仓库下载相应的包啦!另外我这里结尾多配置了两个插件,一个是Java8新特性的,一个是Mybatis Generator的,这两个插件暂时可以不配置 

 

SpringMVC配置

我现在在这里把我配置后的结构拿出来给你们看下,最终的结构就是这样了,当然,部分配置如log4j,generator这些本文章并没用使用到

 

 

我们先配置下SpringMVC的配置:resources/META-INF/spring-mvc.xml

 ps:这个和上篇博客配置是一样的

<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:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.1.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd">
       
       <!-- 启动注解驱动的spring MVC功能,注册请求url和注解POJO类方法的映射-->
       <mvc:annotation-driven />
    <!-- 对模型视图名称的解析,在请求时模型视图名称添加前后缀 -->
    <context:component-scan base-package="com.ssm" />

    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
        <property name="prefix" value="views/" />      <!-- 前缀 -->
        <property name="suffix" value=".jsp" />   <!-- 后缀 -->
    </bean>
    
    <!--这里是对静态资源的映射-->
    <mvc:resources mapping="/js/**" location="/resources/js/" />
    <mvc:resources mapping="/css/**" location="/resources/css/" />
    <mvc:resources mapping="/img/**" location="/resources/img/" />

</beans>

 

 好了,我们现在修改下web.xml这个配置文件,完善下SpringMVC的配置, web.xml配置如下:

<?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/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
         version="3.0">
        <!-- 地址为http://localhost:8080/  显示的默认网页-->
        <welcome-file-list>
          <welcome-file>/index.jsp</welcome-file>
        </welcome-file-list>

        <!-- spring MVC config start-->
        <servlet>
            <servlet-name>spring</servlet-name>
            <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
            <init-param>
              <param-name>contextConfigLocation</param-name>
              <!-- 此处指向的的是SpringMVC的配置文件 -->
              <param-value>classpath:META-INF/spring-mvc.xml</param-value>
            </init-param>
            <!--配置容器在启动的时候就加载这个servlet并实例化-->
            <load-on-startup>1</load-on-startup>
        </servlet>

        <servlet-mapping>
            <servlet-name>spring</servlet-name>
            <url-pattern>/</url-pattern>
        </servlet-mapping>
        <!-- spring MVC config end-->

</web-app>

 

OK,SpringMVC配置完成,现在我们进行一下测试吧

在controller层新建一个MainController,内容如下

package com.ssm.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;


/**
 * Created by XRog
 * On 2/1/2017.12:36 AM
 */
@Controller
public class MainController {

    @RequestMapping(value = "test", method = RequestMethod.GET)
    public String test(){
//        实际返回的是views/test.jsp ,spring-mvc.xml中配置过前后缀
        return "test";
    }
}

 

test.jsp网页如下:

<html>
<body>
<center>
<h2 style="color: #ff261a;">this is my test page!</h2>
</center>
</body>
</html>

 

 

重启Tomcat服务器, 然后浏览器访问http://localhost/test如下图所示:

 

PS: Tomcat默认端口是8080,我更改了端口号,如若你们未更改,正确的访问地址是localhost:8080/test

OK,成功访问。 

SpringMVC+Spring整合

 这个就十分简单了, 配置spring-mybatis.xml这个Spring的配置文件如下(后面的mybatis配置我也将写在这里):

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
                        http://www.springframework.org/schema/context
                        http://www.springframework.org/schema/context/spring-context-3.1.xsd
                        http://www.springframework.org/schema/mvc
                        http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

        <!-- 自动扫描 -->
        <context:component-scan base-package="com.ssm">
            <!-- 扫描时跳过 @Controller 注解的JAVA类(控制器) -->
            <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
        </context:component-scan>

</beans>

 

完善web.xml配置文件如下:

<?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/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
         version="3.0">
        <!-- 地址为http://localhost:8080/  显示的默认网页-->
        <welcome-file-list>
          <welcome-file>/index.jsp</welcome-file>
        </welcome-file-list>

    <!--加载Spring的配置文件到上下文中去-->
        <context-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>
                classpath:META-INF/spring-mybatis.xml
            </param-value>
        </context-param>

        <!-- spring MVC config start-->
        <servlet>
            <servlet-name>spring</servlet-name>
            <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
            <init-param>
              <param-name>contextConfigLocation</param-name>
              <!-- 此处指向的的是SpringMVC的配置文件 -->
              <param-value>classpath:META-INF/spring-mvc.xml</param-value>
            </init-param>
            <!--配置容器在启动的时候就加载这个servlet并实例化-->
            <load-on-startup>1</load-on-startup>
        </servlet>

        <servlet-mapping>
            <servlet-name>spring</servlet-name>
            <url-pattern>/</url-pattern>
        </servlet-mapping>
        <!-- spring MVC config end-->


        <!-- Spring监听器 -->
        <listener>
            <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
        </listener>

        <!--  字符集过滤  -->
        <filter>
            <filter-name>encodingFilter</filter-name>
            <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
            <init-param>
                <param-name>encoding</param-name>
                <param-value>UTF-8</param-value>
            </init-param>
            <init-param>
                <param-name>forceEncoding</param-name>
                <param-value>true</param-value>
            </init-param>
        </filter>
        <filter-mapping>
            <filter-name>encodingFilter</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>

</web-app>

 

web.xml配置文件中更改了三处:引入Spring-mybaits配置文件 Spring的监听器  以及 字符集过滤

 

OK,Spring+SpringMVC配置完成,下面我们开始测试:

在service写一个TestServiceImpl实现TestService接口并实现其test()方法, 代码如下:

package com.ssm.service.impl;

import com.ssm.service.TestService;
import org.springframework.stereotype.Service;

/**
 * Created by XRog
 * On 2/1/2017.12:58 AM
 */
@Service
public class TestServiceImpl implements TestService {
    public String test() {
        return "test";
    }
}

 

PS:这里注意写@Service注解

MainController控制器更改如下:

package com.ssm.controller;

import com.ssm.service.TestService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;


/**
 * Created by XRog
 * On 2/1/2017.12:36 AM
 */
@Controller
public class MainController {

    @Autowired
    private TestService testService;

    @RequestMapping(value = "test", method = RequestMethod.GET)
    public String test(){
//        实际返回的是views/test.jsp ,spring-mvc.xml中配置过前后缀
        return "test";
    }

    @RequestMapping(value = "springtest", method = RequestMethod.GET)
    public String springTest(){
        return testService.test();
    }
}

 

控制器这里我们运用了Spring的依赖注入自动装配。

在浏览器中输入地址http://localhost/springtest调用springtest方法     

 

yes,成功返回,说明我们之前的配置没问题

Spring+SpringMVC+Mybatis整合

好了,现在就缺Mybatis这个框架了。。 我先给大家看些我搭建好之后的结构图吧

 

 

 

 

我们先来编写jdbc.properties这个配置文件,里面存放的是mybatis的一些配置

#这个是Mybatis Generator逆向工程要用到的,现在可以不配置
jdbc.driverLocation=C:\\Users\\XRog\\.m2\\repository\\mysql\\mysql-connector-java\\5.1.38\\mysql-connector-java-5.1.38.jar

#数据源 jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://zxr1998.com.cn:3306/ssm jdbc.username=??? jdbc.password=??? #初始化连接池连接数 initialSize=0 #连接池最大连接数 maxActive=20 #连接池最大空闲 maxIdle=20 #连接池最小空闲 minIdle=1 #最大等待时间 maxWait=60000

 

这里连接数据库的参数由于我是连接我网上的数据库,因此我数据库地址和密码打了“???”,你们连接时改成自己本地的就OK了

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
                        http://www.springframework.org/schema/context
                        http://www.springframework.org/schema/context/spring-context-3.1.xsd
                        http://www.springframework.org/schema/mvc
                        http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

        <!-- 自动扫描 -->
        <context:component-scan base-package="com.ssm">
            <!-- 扫描时跳过 @Controller 注解的JAVA类(控制器) -->
            <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
        </context:component-scan>

        <!-- 加载配置文件 -->
        <context:property-placeholder location="classpath:/jdbc.properties" />

        <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="initialSize" value="${initialSize}" />  <!--初始化连接池连接数-->
            <property name="maxActive" value="${maxActive}" />  <!--连接池最大连接数-->
            <property name="maxIdle" value="${maxIdle}" />  <!--连接池最大空闲-->
            <property name="minIdle" value="${minIdle}" />  <!--连接池最小空闲-->
            <property name="maxWait" value="${maxWait}" />  <!--连接最大等待时间-->
        </bean>


        <bean id="sqlSessionFaction" class="org.mybatis.spring.SqlSessionFactoryBean">
            <property name="dataSource" ref="dataSource" />
            <!-- 自动扫描mapping.xml文件 -->
            <property name="mapperLocations" value="classpath:/mapping/*.xml" />
        </bean>

        <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
            <property name="basePackage" value="com.ssm.mapping" />
            <property name="sqlSessionFactoryBeanName" value="sqlSessionFaction" />
        </bean>

        <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
            <property name="dataSource" ref="dataSource" />
        </bean>

</beans>

 

 

 OK,到了这里,配置结束。下面进入测试阶段

实体类(domain):

package com.ssm.domain;

public class Person {
    private Long id;

    private String username;

    private String password;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

  
    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username == null ? null : username.trim();
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password == null ? null : password.trim();
    }
}

 

 

mapping(我这里使用generator生成的,粘贴的时候我去掉了很多注释,莫介意):

package com.ssm.mapping;

import com.ssm.domain.Person;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.ResultMap;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.SelectKey;
import org.apache.ibatis.annotations.Update;

public interface PersonMapper {
    int deleteByPrimaryKey(Long id);

    int insert(Person record);

    int insertSelective(Person record);

    Person selectByPrimaryKey(Long id);

    int updateByPrimaryKeySelective(Person record);

    int updateByPrimaryKey(Person record);
}
 

 

<?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.ssm.mapping.PersonMapper">
  <resultMap id="BaseResultMap" type="com.ssm.domain.Person">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
    -->
    <id column="id" jdbcType="BIGINT" property="id" />
    <result column="username" jdbcType="VARCHAR" property="username" />
    <result column="password" jdbcType="VARCHAR" property="password" />
  </resultMap>
  <sql id="Base_Column_List">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
    -->
    id, username, password
  </sql>
  <insert id="insertSelective" parameterType="com.ssm.domain.Person">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
    -->
    <selectKey keyProperty="id" order="AFTER" resultType="java.lang.Long">
      SELECT LAST_INSERT_ID()
    </selectKey>
    insert into person
    <trim prefix="(" suffix=")" suffixOverrides=",">
      <if test="username != null">
        username,
      </if>
      <if test="password != null">
        password,
      </if>
    </trim>
    <trim prefix="values (" suffix=")" suffixOverrides=",">
      <if test="username != null">
        #{username,jdbcType=VARCHAR},
      </if>
      <if test="password != null">
        #{password,jdbcType=VARCHAR},
      </if>
    </trim>
  </insert>
  <update id="updateByPrimaryKeySelective" parameterType="com.ssm.domain.Person">
    <!--
      WARNING - @mbggenerated
      This element is automatically generated by MyBatis Generator, do not modify.
    -->
    update person
    <set>
      <if test="username != null">
        username = #{username,jdbcType=VARCHAR},
      </if>
      <if test="password != null">
        password = #{password,jdbcType=VARCHAR},
      </if>
    </set>
    where id = #{id,jdbcType=BIGINT}
  </update>
</mapper>

 

服务层(service):

package com.ssm.service;

import com.ssm.domain.Person;

/**
 * Created by XRog
 * on 5/27/2017.
 */
public interface PersonService {

    int insert(Person person);
}
package com.ssm.service.impl;

import com.ssm.domain.Person;
import com.ssm.mapping.PersonMapper;
import com.ssm.service.PersonService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * Created by XRog
 * on 5/27/2017.
 */
@Service
public class PersonServiceImpl implements PersonService {

    @Autowired
    private PersonMapper personMapper;

    @Override
    public int insert(Person person) {
        return personMapper.insertSelective(person);
    }
}

 

控制层(controller):

package com.ssm.controller;

import com.ssm.domain.Person;
import com.ssm.service.PersonService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
/**
 * Created by XRog
 * on 5/24/2017.
 */
@Controller
@RequestMapping("/test")
public class TestController {

    @Autowired
    private PersonService personService;

    @RequestMapping(value = "mybatis")
    public @ResponseBody String mybatis(){
        Person person = new Person();
        person.setUsername("test2");
        person.setPassword("123");
        personService.insert(person);
        return "success";
    }
}

 

OK,编写完毕,我们重启下服务器然后测试:输入地址  localhost/test/mybatis  ,如果不出意外的话将返回success,这说明访问成功

 

另外,这个ssm项目我已上传到码云,公开了共享,下面是地址.这篇博客很多地方(spring+springmvc )都是借用的上篇博客的,请以下面共享的项目地址为准

https:  https://git.oschina.net/zxr_a/ssm.git

ssh:   git@git.oschina.net:zxr_a/ssm.git

 

好了,到这里就结束了,祝大家别出BUG。

posted @ 2017-06-22 13:05  XRom  阅读(6658)  评论(5编辑  收藏  举报