springMVC+MyBatis+Spring+maven 框架调整_VC/MFC

springMVC+MyBatis+Spring+maven 框架整合

1.首先第一步.部署mybatis ;

1.1 下载myBatis

MyBits前身是iBitis,相对于Hibernate而言,它是半自动化ORM框架。由于老板对性能要求的比较苛刻,不得不放弃我亲爱的hibernate,转而学习并使用mybatis,在此之前我对mybatis也并不熟悉,如有不对的地方,欢迎指正，也希望对想学习mybitis的同窗们有所帮助。
鉴于我的测试数据库是mysql，同仁们现在把mysql装好，然后准备好mysql驱动以及下载mybitis(http://code.google.com/p/mybatis/)。

我用的是maven. 就直接在pom 文件里面写了.

<dependencies>                 <!-- db -->        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis</artifactId>            <version>3.2.5</version>        </dependency>                          <!-- 加入mysql驱动依赖包 -->        <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>            <version>5.1.25</version></dependency>

2.新建数据表

DROP TABLE IF EXISTS `t_test`;CREATE TABLE `t_test` (  `id` int(11) NOT NULL,  `userName` varchar(255) DEFAULT NULL,  PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;-- ------------------------------ Records of t_test-- ----------------------------INSERT INTO `t_test` VALUES ('1', '2');

3.用mybatis-generator 自动生成代码

创建一个配置文件，如conf.xml，此处文件名自己命名，没有命名方面的特殊要求，可以参考doc文档里的配置文件写的，我的如下

<?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>    <!-- 数据库驱动包位置 -->    <!-- <classPathEntry location="D:\software\lib\mysql-connector-java-5.1.21.jar" /> -->    <classPathEntry location="E:\data\.m2\repository\mysql\mysql-connector-java\5.1.25\mysql-connector-java-5.1.25.jar" />    <context id="DB2Tables" targetRuntime="MyBatis3">        <commentGenerator>            <property name="suppressAllComments" value="true" />        </commentGenerator>        <!-- 数据库链接URL、用户名、密码 -->         <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/c_sai" userId="root" password="">         <!--<jdbcConnection driverClass="oracle.jdbc.driver.OracleDriver" connectionURL="jdbc:oracle:thin:@localhost:1521:orcl" userId="msa" password="msa">-->        </jdbcConnection>        <javaTypeResolver>            <property name="forceBigDecimals" value="false" />        </javaTypeResolver>        <!-- 生成模型的包名和位置 -->        <javaModelGenerator targetPackage="com.test.model" targetProject="F:\source">            <property name="enableSubPackages" value="true" />            <property name="trimStrings" value="true" />        </javaModelGenerator>        <!-- 生成的映射文件包名和位置 -->        <sqlMapGenerator targetPackage="com.test.mapping" targetProject="F:\source">            <property name="enableSubPackages" value="true" />        </sqlMapGenerator>        <!-- 生成DAO的包名和位置 -->        <javaClientGenerator type="XMLMAPPER" targetPackage="com.test.dao" targetProject="F:\source">            <property name="enableSubPackages" value="true" />        </javaClientGenerator>        <!-- 要生成那些表(更改tableName和domainObjectName就可以) -->        <table tableName="t_test" domainObjectName="TTest" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />     </context></generatorConfiguration>

执行jar 文件

E:\data\Users\Administrator\Downloads\generator> java -jar mybatis-generator-core-1.3.2.jar -configfile  generator.xml -overwriteMyBatis Generator finished successfully.

生成代码如下

package com.test.model;public class TTest {    private Integer id;    private String username;    public Integer getId() {        return id;    }    public void setId(Integer id) {        this.id = id;    }    public String getUsername() {        return username;    }    public void setUsername(String username) {        this.username = username == null ? null : username.trim();    }}

package com.test.dao;import com.test.model.TTest;public interface TTestMapper {    int deleteByPrimaryKey(Integer id);    int insert(TTest record);    int insertSelective(TTest record);    TTest selectByPrimaryKey(Integer id);    int updateByPrimaryKeySelective(TTest record);    int updateByPrimaryKey(TTest record);}

XML 如下

<?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.test.dao.TTestMapper" >  <resultMap id="BaseResultMap" type="com.test.model.TTest" >    <id column="id" property="id" jdbcType="INTEGER" />    <result column="userName" property="username" jdbcType="VARCHAR" />  </resultMap>  <sql id="Base_Column_List" >    id, userName  </sql>  <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >    select     <include refid="Base_Column_List" />    from t_test    where id = #{id,jdbcType=INTEGER}  </select>  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >    delete from t_test    where id = #{id,jdbcType=INTEGER}  </delete>  <insert id="insert" parameterType="com.test.model.TTest" >    insert into t_test (id, userName)    values (#{id,jdbcType=INTEGER}, #{username,jdbcType=VARCHAR})  </insert>  <insert id="insertSelective" parameterType="com.test.model.TTest" >    insert into t_test    <trim prefix="(" suffix=")" suffixOverrides="," >      <if test="id != null" >        id,      </if>      <if test="username != null" >        userName,      </if>    </trim>    <trim prefix="values (" suffix=")" suffixOverrides="," >      <if test="id != null" >        #{id,jdbcType=INTEGER},      </if>      <if test="username != null" >        #{username,jdbcType=VARCHAR},      </if>    </trim>  </insert>  <update id="updateByPrimaryKeySelective" parameterType="com.test.model.TTest" >    update t_test    <set >      <if test="username != null" >        userName = #{username,jdbcType=VARCHAR},      </if>    </set>    where id = #{id,jdbcType=INTEGER}  </update>  <update id="updateByPrimaryKey" parameterType="com.test.model.TTest" >    update t_test    set userName = #{username,jdbcType=VARCHAR}    where id = #{id,jdbcType=INTEGER}  </update></mapper>

编写mybatis 配置文件

mybatis-config.xml

<?xml version="1.0" encoding="UTF-8" ?>  <!DOCTYPE configuration  PUBLIC "-//mybatis.org//DTD Config 3.0//EN"  "http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration>    <environments default="development">        <environment id="development">            <transactionManager type="JDBC" />            <dataSource type="POOLED">                <property name="driver" value="com.mysql.jdbc.Driver" />                <property name="url" value="jdbc:mysql://127.0.0.1:3306/c_sai" />                <property name="username" value="root" />                <property name="password" value="" />            </dataSource>        </environment>    </environments>    <mappers>         <mapper resource="com\test\mapping\TTestMapper.xml" />    </mappers></configuration>

编写测试类

package com.jefry;import java.io.IOException;import java.io.InputStream;import org.apache.ibatis.io.Resources;import org.apache.ibatis.session.SqlSession;import org.apache.ibatis.session.SqlSessionFactory;import org.apache.ibatis.session.SqlSessionFactoryBuilder;import com.test.model.TTest;public class Test {    static String resource = "mybatis-config.xml";    public static void main(String[] args) throws IOException {        // TODO Auto-generated method stub        InputStream inputStream = Resources.getResourceAsStream(resource);        SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder()                .build(inputStream);        SqlSession session = sqlSessionFactory.openSession();        try {            // User.selectUser中User对应UserMapper.xml文件中标签<mapper            // namespace="com.test.dao.TTestMapper"> namespace的值            // selectUser 对应UserMapper.xml文件中标签<select id="selectUser"            // parameterType="int" resultType="com.jefry.User">中id值            TTest tt = session.selectOne("com.test.dao.TTestMapper.selectByPrimaryKey", 1);            System.out.println("tt.getName()=" + tt.getUsername());        } finally {            session.close();        }    }}

结果:

tt.getName()=2

到此为止mybatis 部署成功.