利用mybatis逆向工程生成表對應的mapper接口和對應的sql映射文件還有表對應的bean實體類
在pom 導入maven的jar包依賴
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
</dependency>
在pom導入對應的逆向工程插件
<!--逆向工程插件-->
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.7</version>
<configuration>
<configurationFile>src/main/resources/generatorConfig.xml</configurationFile>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.37</version>
</dependency>
</dependencies>
</plugin>
書寫響應的配置文件
在src/main/resources/generatorConfig.xml下書寫響應的配置文件/generatorConfig.xml
<?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>
<!-- 有Example查詢條件內容 -->
<context id="testTables" targetRuntime="MyBatis3">
<commentGenerator>
<!-- 是否去除自動生成的註釋 true:是 : false:否 -->
<property name="suppressAllComments" value="true" />
</commentGenerator>
<!--數據庫連接的信息:驅動類、連接地址、用戶名、密碼 -->
<jdbcConnection
driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/crmpro"
userId="root"
password="root">
</jdbcConnection>
<!-- 默認false,把JDBC DECIMAL 和 NUMERIC 類型解析爲 Integer,爲 true時把JDBC DECIMAL 和
NUMERIC 類型解析爲java.math.BigDecimal -->
<javaTypeResolver>
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<!-- targetProject:生成Entity類的路徑 -->
<javaModelGenerator targetProject=".\src" targetPackage="bean">
<!-- enableSubPackages:是否讓schema作爲包的後綴 -->
<property name="enableSubPackages" value="false" />
<!-- 從數據庫返回的值被清理前後的空格 -->
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!-- targetProject:XXXMapper.xml映射文件生成的路徑 -->
<sqlMapGenerator targetProject=".\src" targetPackage="dao">
<!-- enableSubPackages:是否讓schema作爲包的後綴 -->
<property name="enableSubPackages" value="false" />
</sqlMapGenerator>
<!-- targetPackage:Mapper接口生成的位置 -->
<javaClientGenerator type="XMLMAPPER" targetProject=".\src" targetPackage="dao">
<!-- enableSubPackages:是否讓schema作爲包的後綴 -->
<property name="enableSubPackages" value="false" />
</javaClientGenerator>
<!-- 數據庫表名字和我們的entity類對應的映射指定 -->
<table tableName="student" domainObjectName="Student"></table>
<table tableName="teacher" domainObjectName="Teacher"></table>
</context>
</generatorConfiguration>
執行該插件
在idea中點擊如下,執行插件