mybatis逆向生成javaBean
阿新 • • 發佈:2018-12-02
大家好:
最近在學習搭建框架,但是大量的表結構,如何直接生成javaBean程式碼,困擾著我,作為筆記,記錄一下!如有疑問可參與討論!
Mybatis逆向生成程式碼
方法一:
自行寫程式碼解決問題:
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> <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> <!--資料庫連線的資訊:驅動類、連線地址、使用者名稱、密碼 --> <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/yinghuameng" userId="root" password="root"> </jdbcConnection> <!-- 預設false,把JDBC DECIMAL 和 NUMERIC 型別解析為 Integer,為 true時把JDBC DECIMAL 和 NUMERIC 型別解析為java.math.BigDecimal --> <javaTypeResolver> <property name="forceBigDecimals" value="false" /> </javaTypeResolver> <!-- targetProject:生成PO類的位置 --> <javaModelGenerator targetPackage="com.yinghuameng.pojo" targetProject=".\src"> <!-- enableSubPackages:是否讓schema作為包的字尾 --> <property name="enableSubPackages" value="false" /> <!-- 從資料庫返回的值被清理前後的空格 --> <property name="trimStrings" value="true" /> </javaModelGenerator> <!-- targetProject:mapper對映檔案生成的位置 --> <sqlMapGenerator targetPackage="com.yinghuameng.mapper" targetProject=".\src"> <!-- enableSubPackages:是否讓schema作為包的字尾 --> <property name="enableSubPackages" value="false" /> </sqlMapGenerator> <!-- targetPackage:mapper介面生成的位置 --> <javaClientGenerator type="XMLMAPPER" targetPackage="com.yinghuameng.mapper" targetProject=".\src"> <!-- enableSubPackages:是否讓schema作為包的字尾 --> <property name="enableSubPackages" value="false" /> </javaClientGenerator> <!-- 指定資料庫表 --> <table schema="" tableName="tb_cart"></table> <table schema="" tableName="tb_content"></table> <table schema="" tableName="tb_content_category"></table> <table schema="" tableName="tb_item_jd"></table> <table schema="" tableName="tb_item_jd_desc"></table> <table schema="" tableName="tb_item_param"></table> <table schema="" tableName="tb_item_param_item"></table> <table schema="" tableName="tb_order"></table> <table schema="" tableName="tb_order_item"></table> <table schema="" tableName="tb_order_shipping"></table> <table schema="" tableName="tb_user"></table> </context> </generatorConfiguration>
log4j.properties
log4j.rootLogger=DEBUG, Console #Console log4j.appender.Console=org.apache.log4j.ConsoleAppender log4j.appender.Console.layout=org.apache.log4j.PatternLayout log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n log4j.logger.java.sql.ResultSet=INFO log4j.logger.org.apache=INFO log4j.logger.java.sql.Connection=DEBUG log4j.logger.java.sql.Statement=DEBUG log4j.logger.java.sql.PreparedStatement=DEBUG
GeneratorSqlmap
import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.List; import org.mybatis.generator.api.MyBatisGenerator; import org.mybatis.generator.config.Configuration; import org.mybatis.generator.config.xml.ConfigurationParser; import org.mybatis.generator.exception.XMLParserException; import org.mybatis.generator.internal.DefaultShellCallback; public class GeneratorSqlmap { public void generator() throws Exception{ List<String> warnings = new ArrayList<String>(); boolean overwrite = true; //指定 逆向工程配置檔案 File configFile = new File("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); } public static void main(String[] args) throws Exception { try { GeneratorSqlmap generatorSqlmap = new GeneratorSqlmap(); generatorSqlmap.generator(); } catch (Exception e) { e.printStackTrace(); } } }
官方配置
下載外掛
http://pan.baidu.com/s/1dEZfkPV
開啟‘MyBatis_Generator_1.3.1.zip’檔案並解壓 解壓為2個資料夾 features/plugins 將其放進eclipse的安裝處:
重啟eclipse –>new ->mybatis generator configuration file
建立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 >
<classPathEntry location="E:/mysql-connector-java-5.1.26-bin.jar"/>
<context id="context1" targetRuntime="MyBatis3">
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/yinghuameng"
userId="root"
password="root" />
<javaModelGenerator targetPackage="com.yinghuameng.pojo" targetProject="yinghuameng-manager-web" />
<sqlMapGenerator targetPackage="com.yinghuameng.mapper" targetProject="yinghuameng-manager-web" />
<javaClientGenerator targetPackage="com.yinghuameng.mapper" targetProject="yinghuameng-manager-web" type="XMLMAPPER" />
<!-- 指定資料庫表 -->
<table schema="" tableName="tb_cart"></table>
<table schema="" tableName="tb_content"></table>
<table schema="" tableName="tb_content_category"></table>
<table schema="" tableName="tb_item_jd"></table>
<table schema="" tableName="tb_item_jd_desc"></table>
<table schema="" tableName="tb_item_param"></table>
<table schema="" tableName="tb_item_param_item"></table>
<table schema="" tableName="tb_order"></table>
<table schema="" tableName="tb_order_item"></table>
<table schema="" tableName="tb_order_shipping"></table>
<table schema="" tableName="tb_user"></table>
</context>
</generatorConfiguration>
右擊xml檔案 -》generate mybatis/ibatis artifacts 生成javaBean
注意:
<javaModelGenerator targetPackage="com.yinghuameng.pojo" targetProject="yinghuameng-manager-web" />
此處的 targetProject="yinghuameng-manager-web" 指的是專案