MyBatisGenerator
代码生成器,可以根据指定的表,快速生成对应的映射文件,接口,以及 Bean 类,支持基本的增删改查,以及QBC 风格的条件查询,但是一些复杂的表连接还是需要我们自己来去编写
MyBatisGenerator使用
1.下载:https://github.com/mybatis/generator/releases
2.把相关 jar 导入到工程当中
3.创建 generatorConfig.xml
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| <?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>
<context id="DB2Tables" targetRuntime="MyBatis3">
<commentGenerator> <property name="suppressDate" value="true"/> <property name="suppressAllComments" value="true"/> </commentGenerator> <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/mybatis?characterEncoding=utf-8" userId="root" password="1234"> </jdbcConnection>
<javaModelGenerator targetPackage="com.itlike.domain" targetProject=".\src"> <property name="enableSubPackages" value="true"/> <property name="trimStrings" value="true"/> </javaModelGenerator>
<sqlMapGenerator targetPackage="com.itlike.mapper" targetProject=".\src"> <property name="enableSubPackages" value="true"/> </sqlMapGenerator>
<javaClientGenerator type="XMLMAPPER" targetPackage="com.itlike.mapper" targetProject=".\src"> <property name="enableSubPackages" value="true"/> </javaClientGenerator> <table tableName="customer" domainObjectName="Customer"></table> <table tableName="teacher" domainObjectName="Teacher"></table> <table tableName="student" domainObjectName="Student"></table> </context> </generatorConfiguration>
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4.编写生成代码
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| List<String> warnings = new ArrayList<String>(); boolean overwrite = true; File configFile = new File("./src/generatorConfig.xml"); ConfigurationParser cp = new ConfigurationParser(warnings); Configuration config = cp.parseConfiguration(configFile); DefaultShellCallback callback = new DefaultShellCallback(overwrite); MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings); myBatisGenerator.generate(null);
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