Springboot mybatis generate 自動生成實體類和Mapper
阿新 • • 發佈:2019-02-17
一、資料庫
資料庫使用的是禪道專案管理軟體的資料表。
二:使用IDEA 建立Spring boot 專案
2.1:選擇Spring Initializ
下一步後:
點選下一步後,分別在Web選項中勾選Web,在Template Engines選項中勾選 Thymeleaf,在SQL選項中勾選MySQL和MyBatis。然後一直下一步到完成。
三、專案結構為:
四、POM檔案配置如下:
<?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>dd.springboot.demo</groupId> <artifactId>dd-demo</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>dd-demo</name> <description>Demo project for Spring Boot</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.2.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> <version>5.1.46</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.5</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> <!--新增mybatis generator maven外掛--> <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.5</version> <configuration> <!--generatorConfig.xml位置--> <configurationFile>src/main/resources/mybatis-generator/generatorConfig.xml</configurationFile> <verbose>true</verbose> <overwrite>true</overwrite> </configuration> <executions> <execution> <id>Generate MyBatis Artifacts</id> <goals> <goal>generate</goal> </goals> <phase>generate-sources</phase> </execution> </executions> <!--此處必須新增mysql驅動包--> <dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> <version>5.1.46</version> </dependency> </dependencies> </plugin> </plugins> </build> </project>
application.properties 檔案配置如下
#mysql drive spring.datasource.driverClassName = com.mysql.jdbc.Driver spring.datasource.url = jdbc:mysql://localhost:3306/zentao?useUnicode=true&characterEncoding=utf-8 spring.datasource.username = root spring.datasource.password =root # view #spring.mvc.view.prefix=classpath:/templates/ #spring.mvc.view.suffix=.html # spring.thymeleaf.cache=true spring.thymeleaf.prefix=classpath:/templates/views/ spring.thymeleaf.suffix=.html spring.thymeleaf.mode=HTML5 spring.thymeleaf.encoding=UTF-8
五、在resources目錄下建立mybatis-generator資料夾,並mybatis-generator資料夾中建立generatorConfig.xml檔案和mybatisGeneratorinit.properties檔案
mybatisGeneratorinit.properties配置如下
jdbc_driver=com.mysql.jdbc.Driver jdbc_url=jdbc:mysql://localhost:3306/zentao?useUnicode=true&characterEncoding=utf-8&useSSL=true jdbc_user=rootjdbc_password=root models=E:\\CodeTest\\dd-demo\\src\\main\\java resources=E:\\CodeTest\\dd-demo\\src\\main\\resources dao=E:\\CodeTest\\dd-demo\\src\\main\\java
generatorConfig.xml 檔案配置如下
<?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">
<!-- 配置生成器 -->
<generatorConfiguration>
<!--執行generator外掛生成檔案的命令: call mvn mybatis-generator:generate -e -->
<!-- 引入配置檔案 -->
<properties resource="mybatis-generator/mybatisGeneratorinit.properties"/>
<!--classPathEntry:資料庫的JDBC驅動,換成你自己的驅動位置 可選 -->
<!--<classPathEntry location="E:\mybatis\mysql-connector-java-5.1.24-bin.jar" /> -->
<!-- 一個數據庫一個context -->
<!--defaultModelType="flat" 大資料欄位,不分表 -->
<context id="MysqlTables" targetRuntime="MyBatis3Simple" defaultModelType="flat">
<!-- 自動識別資料庫關鍵字,預設false,如果設定為true,根據SqlReservedWords中定義的關鍵字列表;
一般保留預設值,遇到資料庫關鍵字(Java關鍵字),使用columnOverride覆蓋 -->
<property name="autoDelimitKeywords" value="true" />
<!-- 生成的Java檔案的編碼 -->
<property name="javaFileEncoding" value="utf-8" />
<!-- beginningDelimiter和endingDelimiter:指明資料庫的用於標記資料庫物件名的符號,比如ORACLE就是雙引號,MYSQL預設是`反引號; -->
<property name="beginningDelimiter" value="`" />
<property name="endingDelimiter" value="`" />
<!-- 格式化java程式碼 -->
<property name="javaFormatter" value="org.mybatis.generator.api.dom.DefaultJavaFormatter"/>
<!-- 格式化XML程式碼 -->
<property name="xmlFormatter" value="org.mybatis.generator.api.dom.DefaultXmlFormatter"/>
<plugin type="org.mybatis.generator.plugins.SerializablePlugin" />
<plugin type="org.mybatis.generator.plugins.ToStringPlugin" />
<!-- 註釋 -->
<commentGenerator >
<property name="suppressAllComments" value="false"/><!-- 是否取消註釋 -->
<property name="suppressDate" value="true" /> <!-- 是否生成註釋代時間戳-->
</commentGenerator>
<!-- jdbc連線 -->
<jdbcConnection driverClass="${jdbc_driver}" connectionURL="${jdbc_url}" userId="${jdbc_user}" password="${jdbc_password}" />
<!-- 型別轉換 -->
<javaTypeResolver>
<!-- 是否使用bigDecimal, false可自動轉化以下型別(Long, Integer, Short, etc.) -->
<property name="forceBigDecimals" value="false"/>
</javaTypeResolver>
<!-- 生成實體類地址 -->
<javaModelGenerator targetPackage="dd.springboot.demo.models" targetProject="${models}" >
<property name="enableSubPackages" value="false"/>
<property name="trimStrings" value="true"/>
</javaModelGenerator>
<!-- 生成mapxml檔案 -->
<sqlMapGenerator targetPackage="mapper" targetProject="${resources}" >
<property name="enableSubPackages" value="false" />
</sqlMapGenerator>
<!-- 生成mapxml對應client,也就是介面dao -->
<javaClientGenerator targetPackage="dd.springboot.demo.dao" targetProject="${dao}" type="XMLMAPPER" >
<property name="enableSubPackages" value="true" />
</javaClientGenerator>
<!-- table可以有多個,每個資料庫中的表都可以寫一個table,tableName表示要匹配的資料庫表,也可以在tableName屬性中通過使用%萬用字元來匹配所有資料庫表,只有匹配的表才會自動生成檔案 -->
<!--如果想生成一個表則tableName="table_name"-->
<table tableName="%"
enableCountByExample="true"
enableUpdateByExample="true"
enableDeleteByExample="true"
enableSelectByExample="true"
selectByExampleQueryId="true">
<property name="useActualColumnNames" value="false" />
<!-- 資料庫表主鍵 -->
<generatedKey column="id" sqlStatement="Mysql" identity="true" />
</table>
</context>
</generatorConfiguration>
六、生成屍體類、對映XML和Dao
結果如下: