记一次IDEA利用mybatis-generator自动生成dao和mapper

注:基于SpringBoot下

第一步:pom文件

<?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.thinkbar.Hello</groupId>
    <artifactId>Hello</artifactId>
    <version>1.0-SNAPSHOT</version>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.0.RELEASE</version>
    </parent>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>

    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
            <plugin>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-maven-plugin</artifactId>
                <version>1.3.2</version>
            </plugin>
        </plugins>
    </build>

</project>

第二步:generatorConfig.xml

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <!DOCTYPE generatorConfiguration
 3         PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
 4         "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
 5 
 6 <generatorConfiguration>
 7     <!--数据库驱动mysql jar 这个地方要注意确保jar的位置正确,要区分在IDEA中jar在.m2中还是自定义的文件夹中-->
 8     <classPathEntry
 9             location="D:\repository\mysql\mysql-connector-java\5.1.45\mysql-connector-java-5.1.45.jar"/>
10     <!--数据库驱动oracle jar -->
11     <!--
12     <classPathEntry
13             location="E:\app\Acer\product\11.2.0\client_2\jdbc\lib\ojdbc5.jar"/>-->
14     <context id="Tables" targetRuntime="MyBatis3">
15         <!--去除注释 -->
16 
17         <commentGenerator>
18             <property name="suppressAllComments" value="true"/>
19         </commentGenerator>
20 
21         <!--mysql数据库连接 -->
22 
23         <jdbcConnection driverClass="com.mysql.jdbc.Driver"
24                         connectionURL="jdbc:mysql://localhost:3306/user"
25                         userId="root"
26                         password="root">
27         </jdbcConnection>
28         <!--oracle数据库连接 -->
29         <!--
30        <jdbcConnection driverClass="oracle.jdbc.driver.OracleDriver"
31                        connectionURL="jdbc:oracle:thin:@172.16.36.23:1521/FOKF"
32                        userId="YCGCE" password="YCGCE">
33            <property name="remarksReporting" value="true"></property>
34        </jdbcConnection>-->
35 
36         <!--默认false Java type resolver will always use java.math.BigDecimal if
37             the database column is of type DECIMAL or NUMERIC. -->
38         <javaTypeResolver>
39             <property name="forceBigDecimals" value="false"/>
40         </javaTypeResolver>
41 
42         <!--生成实体类 指定包名 以及生成的地址 (可以自定义地址,但是路径不存在不会自动创建 使用Maven生成在target目录下,会自动创建) -->
43         <javaModelGenerator targetPackage="com.thinkbar"
44                             targetProject="E:\development_tools\javaProject\Hello\src\main\java">
45             <property name="enableSubPackages" value="true"/>
46             <property name="trimStrings" value="true"/>
47         </javaModelGenerator>
48         <!--生成SQLMAP文件 -->
49         <sqlMapGenerator targetPackage="mapper"
50                          targetProject="E:\development_tools\javaProject\Hello\src\main\resources">
51             <property name="enableSubPackages" value="false"/>
52         </sqlMapGenerator>
53         <!--生成Dao文件 可以配置 type="XMLMAPPER"生成xml的dao实现 context id="DB2Tables" 修改targetRuntime="MyBatis3" -->
54         <javaClientGenerator type="XMLMAPPER"
55                              targetPackage="com.dao"
56                              targetProject="E:\development_tools\javaProject\Hello\src\main\java">
57             <property name="enableSubPackages" value="false"/>
58         </javaClientGenerator>
59 
60         <!--对应数据库表 mysql可以加入主键自增 字段命名 忽略某字段等 -->
61         <table tableName="user" domainObjectName="User"
62                enableCountByExample="false" enableUpdateByExample="false"
63                enableDeleteByExample="false" enableSelectByExample="false"
64                selectByExampleQueryId="false"/>
65 
66 
67     </context>
68 </generatorConfiguration>

第三步:右侧插件中找到 generatorConfig双击运行即可,注意的时当报不存在时,该插件不会自动创建

记一次IDEA利用mybatis-generator自动生成dao和mapper

 

记一次IDEA利用mybatis-generator自动生成dao和mapper

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