mybatis-generator逆向工程
mybatisGeneratorInit.properties
#Mybatis Generator configuration target.project=src/main/java target.resources=src/main/resources #生成实体类地址 model.target.package=com.soyea.entity #生成mapper地址 mapper.target.package=mappers #生成dao接口地址 dao.target.package=com.soyea.mapper #自定义comment生成器地址 my.commentGenerator.address=com.soyea.util.MyCommentGenerator #自定义toString插件地址 my.toStringPlugin.address=com.soyea.util.MyToStringPlugin #数据库信息 jdbc_driver=com.mysql.jdbc.Driver jdbc_url=jdbc:mysql://localhost:3306/wechat jdbc_user=root jdbc_password=soyeajr <!--mybatis逆向工程--> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.2</version> </dependency>
<?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> <!-- 引入配置文件 --> <properties resource="mybatis-generator/mybatisGeneratorInit.properties"/> <!--classPathEntry:数据库的JDBC驱动,换成你自己的驱动位置 可选 --> <!--<classPathEntry location="" />--> <!-- 一个数据库一个context --> <!--defaultModelType="flat" 大数据字段,不分表 --> <context id="MysqlTables" targetRuntime="MyBatis3" defaultModelType="flat"> <property name="javaFileEncoding" value="utf-8"/> <!--<plugin type="org.mybatis.generator.plugins.SerializablePlugin" />--> <!--<plugin type="org.mybatis.generator.plugins.ToStringPlugin" />--> <!--自定义toString插件--> <plugin type="${my.toStringPlugin.address}"/> <!-- 自定义注释 --> <commentGenerator type="${my.commentGenerator.address}"/> <!--<commentGenerator>--> <!--<property name="suppressAllComments" value="false"/><!– 是否取消注释 –>--> <!--<!–<property name="suppressDate" value="true" /> <!– 是否生成注释代时间戳–>–>--> <!--<property name="addRemarkComments" value="true" />--> <!--</commentGenerator>--> <!-- jdbc连接 --> <jdbcConnection driverClass="${jdbc_driver}" connectionURL="${jdbc_url}" userId="${jdbc_user}" password="${jdbc_password}"/> <!-- 类型转换 --> <javaTypeResolver> <!-- 是否使用bigDecimal, false可自动转化以下类型(Long, Integer, Short, etc.) --> <property name="forceBigDecimals" value="false"/> </javaTypeResolver> <!-- 生成实体类地址 --> <javaModelGenerator targetPackage="${model.target.package}" targetProject="${target.project}"> <property name="enableSubPackages" value="false"/> <property name="trimStrings" value="true"/> </javaModelGenerator> <!-- 生成mapxml文件 --> <sqlMapGenerator targetPackage="${mapper.target.package}" targetProject="${target.resources}"> <property name="enableSubPackages" value="false"/> </sqlMapGenerator> <!-- 生成mapxml对应client,也就是接口dao --> <javaClientGenerator targetPackage="${dao.target.package}" targetProject="${target.project}" type="XMLMAPPER"> <property name="enableSubPackages" value="false"/> </javaClientGenerator> <!--生成的表--> <table tableName="user" enableCountByExample="true" enableUpdateByExample="true" enableDeleteByExample="true" enableSelectByExample="true" selectByExampleQueryId="true"> <!--<property name="useActualColumnNames" value="false" />--> <generatedKey column="id" sqlStatement="Mysql" identity="true"/> </table> </context> </generatorConfiguration>
package com.hg.util; import org.mybatis.generator.config.Configuration; import org.mybatis.generator.config.xml.ConfigurationParser; import org.mybatis.generator.exception.InvalidConfigurationException; import org.mybatis.generator.exception.XMLParserException; import org.mybatis.generator.internal.DefaultShellCallback; import java.io.File; import java.io.IOException; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; /** * 逆向工程生成器 * Created by skh on 2018/1/10 */ public class MyBatisGenerator { //根据配置文件,生成相应的model实体类,mapper接口,mapperXMl文件 public static void main(String[] args) { try { List<String> warnings = new ArrayList<String>(); boolean overwrite = true; //注意:使用绝对路径 File configFile = new File("F:\\project\\hg-system\\src\\main\\resources\\mybatis-generator\\generatorConfig.xml"); ConfigurationParser cp = new ConfigurationParser(warnings); Configuration config = cp.parseConfiguration(configFile); DefaultShellCallback callback = new DefaultShellCallback(overwrite); org.mybatis.generator.api.MyBatisGenerator myBatisGenerator = new org.mybatis.generator.api.MyBatisGenerator(config, callback, warnings); myBatisGenerator.generate(null); } catch (SQLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (InterruptedException e) { e.printStackTrace(); } catch (InvalidConfigurationException e) { e.printStackTrace(); } catch (XMLParserException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } }
package com.hg.util; import static org.mybatis.generator.internal.util.StringUtility.isTrue; import java.io.File; import java.io.IOException; import java.sql.SQLException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.Properties; import org.mybatis.generator.api.CommentGenerator; import org.mybatis.generator.api.IntrospectedColumn; import org.mybatis.generator.api.IntrospectedTable; import org.mybatis.generator.api.MyBatisGenerator; import org.mybatis.generator.api.dom.java.CompilationUnit; import org.mybatis.generator.api.dom.java.Field; import org.mybatis.generator.api.dom.java.InnerClass; import org.mybatis.generator.api.dom.java.InnerEnum; import org.mybatis.generator.api.dom.java.JavaElement; import org.mybatis.generator.api.dom.java.Method; import org.mybatis.generator.api.dom.java.Parameter; import org.mybatis.generator.api.dom.xml.XmlElement; import org.mybatis.generator.config.Configuration; import org.mybatis.generator.config.MergeConstants; import org.mybatis.generator.config.PropertyRegistry; import org.mybatis.generator.config.xml.ConfigurationParser; import org.mybatis.generator.exception.InvalidConfigurationException; import org.mybatis.generator.exception.XMLParserException; import org.mybatis.generator.internal.DefaultShellCallback; /** * mybatis generator 自定义comment生成器. * 基于MBG 1.3.2. */ public class MyCommentGenerator implements CommentGenerator { private Properties properties; private Properties systemPro; private boolean suppressDate; private boolean suppressAllComments; private String currentDateStr; public MyCommentGenerator() { super(); properties = new Properties(); systemPro = System.getProperties(); suppressDate = false; suppressAllComments = false; currentDateStr = (new SimpleDateFormat("yyyy-MM-dd")).format(new Date()); } public void addJavaFileComment(CompilationUnit compilationUnit) { // add no file level comments by default return; } /** * Adds a suitable comment to warn users that the element was generated, and * when it was generated. */ public void addComment(XmlElement xmlElement) { return; } public void addRootComment(XmlElement rootElement) { // add no document level comments by default return; } public void addConfigurationProperties(Properties properties) { this.properties.putAll(properties); suppressDate = isTrue(properties.getProperty(PropertyRegistry.COMMENT_GENERATOR_SUPPRESS_DATE)); suppressAllComments = isTrue(properties.getProperty(PropertyRegistry.COMMENT_GENERATOR_SUPPRESS_ALL_COMMENTS)); } /** * This method adds the custom javadoc tag for. You may do nothing if you do * not wish to include the Javadoc tag - however, if you do not include the * Javadoc tag then the Java merge capability of the eclipse plugin will * break. * * @param javaElement * the java element */ protected void addJavadocTag(JavaElement javaElement, boolean markAsDoNotDelete) { javaElement.addJavaDocLine(" *"); StringBuilder sb = new StringBuilder(); sb.append(" * "); sb.append(MergeConstants.NEW_ELEMENT_TAG); if (markAsDoNotDelete) { sb.append(" do_not_delete_during_merge"); } String s = getDateString(); if (s != null) { sb.append(' '); sb.append(s); } javaElement.addJavaDocLine(sb.toString()); } /** * This method returns a formated date string to include in the Javadoc tag * and XML comments. You may return null if you do not want the date in * these documentation elements. * * @return a string representing the current timestamp, or null */ protected String getDateString() { String result = null; if (!suppressDate) { result = currentDateStr; } return result; } public void addClassComment(InnerClass innerClass, IntrospectedTable introspectedTable) { if (suppressAllComments) { return; } // StringBuilder sb = new StringBuilder(); // innerClass.addJavaDocLine("/**"); // sb.append(" * "); // sb.append(introspectedTable.getFullyQualifiedTable()); // sb.append(" "); // sb.append(getDateString()); // innerClass.addJavaDocLine(sb.toString()); // innerClass.addJavaDocLine(" */"); } public void addEnumComment(InnerEnum innerEnum, IntrospectedTable introspectedTable) { if (suppressAllComments) { return; } StringBuilder sb = new StringBuilder(); innerEnum.addJavaDocLine("/**"); // addJavadocTag(innerEnum, false); sb.append(" * "); sb.append(introspectedTable.getFullyQualifiedTable()); innerEnum.addJavaDocLine(sb.toString()); innerEnum.addJavaDocLine(" */"); } /** * 字段注释 * @param field * @param introspectedTable * @param introspectedColumn */ public void addFieldComment(Field field, IntrospectedTable introspectedTable, IntrospectedColumn introspectedColumn) { if (suppressAllComments) { return; } StringBuilder sb = new StringBuilder(); field.addJavaDocLine("/**"); sb.append(" * "); sb.append(introspectedColumn.getRemarks()); field.addJavaDocLine(sb.toString()); // addJavadocTag(field, false); field.addJavaDocLine(" */"); } public void addFieldComment(Field field, IntrospectedTable introspectedTable) { if (suppressAllComments) { return; } // // StringBuilder sb = new StringBuilder(); // // field.addJavaDocLine("/**"); // sb.append(" * "); // sb.append(introspectedTable.getFullyQualifiedTable()); // System.out.println("introspectedTable.getFullyQualifiedTable = " + introspectedTable.getFullyQualifiedTable()); // field.addJavaDocLine(sb.toString()); // field.addJavaDocLine(" */"); } public void addGeneralMethodComment(Method method, IntrospectedTable introspectedTable) { if (suppressAllComments) { return; } // method.addJavaDocLine("/**"); // addJavadocTag(method, false); // method.addJavaDocLine(" */"); } public void addGetterComment(Method method, IntrospectedTable introspectedTable, IntrospectedColumn introspectedColumn) { if (suppressAllComments) { return; } // method.addJavaDocLine("/**"); // // StringBuilder sb = new StringBuilder(); // sb.append(" * "); // sb.append(introspectedColumn.getRemarks()); // method.addJavaDocLine(sb.toString()); // // sb.setLength(0); // sb.append(" * @return "); // sb.append(introspectedColumn.getActualColumnName()); // sb.append(" "); // sb.append(introspectedColumn.getRemarks()); // method.addJavaDocLine(sb.toString()); // // // addJavadocTag(method, false); // // method.addJavaDocLine(" */"); } public void addSetterComment(Method method, IntrospectedTable introspectedTable, IntrospectedColumn introspectedColumn) { if (suppressAllComments) { return; } // // method.addJavaDocLine("/**"); // StringBuilder sb = new StringBuilder(); // sb.append(" * "); // sb.append(introspectedColumn.getRemarks()); // method.addJavaDocLine(sb.toString()); // // Parameter parm = method.getParameters().get(0); // sb.setLength(0); // sb.append(" * @param "); // sb.append(parm.getName()); // sb.append(" "); // sb.append(introspectedColumn.getRemarks()); // method.addJavaDocLine(sb.toString()); // // // addJavadocTag(method, false); // // method.addJavaDocLine(" */"); } public void addClassComment(InnerClass innerClass, IntrospectedTable introspectedTable, boolean markAsDoNotDelete) { if (suppressAllComments) { return; }// StringBuilder sb = new StringBuilder(); // // innerClass.addJavaDocLine("/**"); // sb.append(" * "); // sb.append(introspectedTable.getFullyQualifiedTable()); // innerClass.addJavaDocLine(sb.toString()); // // sb.setLength(0); // sb.append(" * @author "); // sb.append(systemPro.getProperty("user.name")); // sb.append(" "); // sb.append(currentDateStr); // // // addJavadocTag(innerClass, markAsDoNotDelete); // // innerClass.addJavaDocLine(" */"); } }
package com.hg.util; import java.util.Iterator; import java.util.List; import org.mybatis.generator.api.IntrospectedTable; import org.mybatis.generator.api.PluginAdapter; import org.mybatis.generator.api.dom.java.Field; import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType; import org.mybatis.generator.api.dom.java.JavaVisibility; import org.mybatis.generator.api.dom.java.Method; import org.mybatis.generator.api.dom.java.TopLevelClass; /** * mybatis generator 自定义toString插件 * 基于MBG 1.3.2 */ public class MyToStringPlugin extends PluginAdapter { public MyToStringPlugin() { } public boolean validate(List<String> warnings) { return true; } public boolean modelBaseRecordClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) { this.generateToString(introspectedTable, topLevelClass); return true; } public boolean modelRecordWithBLOBsClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) { this.generateToString(introspectedTable, topLevelClass); return true; } public boolean modelPrimaryKeyClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) { this.generateToString(introspectedTable, topLevelClass); return true; } private void generateToString(IntrospectedTable introspectedTable, TopLevelClass topLevelClass) { Method method = new Method(); method.setVisibility(JavaVisibility.PUBLIC); method.setReturnType(FullyQualifiedJavaType.getStringInstance()); method.setName("toString"); if (introspectedTable.isJava5Targeted()) { method.addAnnotation("@Override"); } //添加方法注释 this.context.getCommentGenerator().addGeneralMethodComment(method, introspectedTable); //下面两句method.addBodyLine使用其中之一即可 //使用自定义toString工具类 //method.addBodyLine("return ToStringUtils.toSimpleString(this);"); //使用commons-lang3的工具类 //添加包 topLevelClass.addImportedType("org.apache.commons.lang3.builder.ToStringBuilder"); topLevelClass.addImportedType("org.apache.commons.lang3.builder.ToStringStyle"); method.addBodyLine("return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);"); //添加方法 topLevelClass.addMethod(method); } /* private void generateToString(IntrospectedTable introspectedTable, TopLevelClass topLevelClass) { Method method = new Method(); method.setVisibility(JavaVisibility.PUBLIC); method.setReturnType(FullyQualifiedJavaType.getStringInstance()); method.setName("toString"); if (introspectedTable.isJava5Targeted()) { method.addAnnotation("@Override"); } this.context.getCommentGenerator().addGeneralMethodComment(method, introspectedTable); method.addBodyLine("StringBuilder sb = new StringBuilder();"); method.addBodyLine("sb.append(getClass().getSimpleName());"); method.addBodyLine("sb.append(\" [\");"); StringBuilder sb = new StringBuilder(); Iterator i$ = topLevelClass.getFields().iterator(); while(i$.hasNext()) { Field field = (Field)i$.next(); String property = field.getName(); sb.setLength(0); sb.append("sb.append(\"").append(", ").append(property).append("=\")").append(".append(").append(property).append(");"); method.addBodyLine(sb.toString()); } method.addBodyLine("sb.append(\"]\");"); method.addBodyLine("return sb.toString();"); topLevelClass.addMethod(method); } */ }
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