一、首先eclipse配置好maven環境,并且創建好一個ssm框架的工程
二、在pom.xml中添加plugin
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<build> <finalname>ssm_web</finalname> <pluginmanagement> <plugins> <plugin> <artifactid>mybatis-generator-maven-plugin</artifactid> <version> 1.3 . 2 </version> <configuration> <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> </execution> </executions> <dependencies> <dependency> <groupid>org.mybatis.generator</groupid> <artifactid>mybatis-generator-core</artifactid> <version> 1.3 . 2 </version> </dependency> <dependency> <groupid>mysql</groupid> <artifactid>mysql-connector-java</artifactid> <version> 5.1 . 40 </version> <scope>runtime</scope> </dependency> </dependencies> </plugin> </plugins> </pluginmanagement> </build> |
注意:
1、pom中添加插件要在<build></build>標簽里面,并且在這里指定數據庫驅動,那么在下一步配置generatorconfig.xml的時候就不用在指定數據庫驅動的本地路徑;
2、src/main/resources/mybatis-generator/generatorconfig.xml指定的是generatorconfig.xml配置文件的路徑,大家可以根據自己的實際情況調整;
三、generatorconfig.xml配置文件
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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> <!-- <classpathentry location= "e:/maven/repository/mysql/mysql-connector-java/5.1.40/mysql-connector-java-5.1.40.jar" /> --> <context id= "my" targetruntime= "mybatis3" > <commentgenerator> <property name= "suppressdate" value= "false" /> <property name= "suppressallcomments" value= "true" /> </commentgenerator> <jdbcconnection driverclass= "com.mysql.jdbc.driver" connectionurl= "jdbc:mysql://127.0.0.1:3306/crm" userid= "root" password= "root" /> <javamodelgenerator targetpackage= "com.xdw.model" targetproject= "f:/javawebworkspace/ssm_web/src/main/java" > <property name= "enablesubpackages" value= "true" /> <property name= "trimstrings" value= "true" /> </javamodelgenerator> <sqlmapgenerator targetpackage= "com.xdw.mapping" targetproject= "f:/javawebworkspace/ssm_web/src/main/java" > <property name= "enablesubpackages" value= "true" /> </sqlmapgenerator> <javaclientgenerator targetpackage= "com.xdw.dao" targetproject= "f:/javawebworkspace/ssm_web/src/main/java" type= "xmlmapper" > <property name= "enablesubpackages" value= "true" /> </javaclientgenerator> <table tablename= "house_type" domainobjectname= "housetype" > <!-- <property name= "useactualcolumnnames" value= "true" /> --> </table> </context> </generatorconfiguration> |
配置講解:
1、classpathentry location在這里可以不用配置,因為之前pom中已經配置了數據庫驅動;
2、jdbcconnection按照自己的數據庫配置相應的驅動類,url,用戶名和密碼;
3、javamodelgenerator,sqlmapgenerator,javaclientgenerator配置相應要生成的pojo類,dao類和mapper對應的xml文件,targetpackage屬性指定包名,targetproject指定自己工程的路徑,
4、table標簽配置數據庫表和實體類的映射,tablename屬性指定表名,domainobjectname指定生成的pojo類名;<property name="useactualcolumnnames" value="true"/>
如果配置的話,那么生成的實體類的屬性名稱就和數據庫
表的每個字段的名稱一樣,如果不配置,會將數據表里面的字段名稱通過_連接的字段自動生成經典的駝峰表示法,比如我這里有個字段名為type_id,生成的屬性名稱為typeid;
建議大家在數據庫建表的時候采用_將單詞分隔;
四、創建好之后點擊maven build
彈出
在goals中填入mybatis-generator:generate
,然后點擊run
也可以用maven命令行輸入mvn mybatis-generator:generate
五、執行結果如下:
總結
以上所述是小編給大家介紹的ssm框架通過mybatis-generator自動生成代碼,希望對大家有所幫助,如果大家有任何疑問請給我留言,小編會及時回復大家的。在此也非常感謝大家對服務器之家網站的支持!