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[经验分享] Mybatis Generator自动生成Mybatis相关代码

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发表于 2016-11-24 05:54:22 | 显示全部楼层 |阅读模式

DSC0000.jpg

 
 
 

import java.util.List;
import java.util.Properties;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
import org.mybatis.generator.api.CommentGenerator;
import org.mybatis.generator.api.IntrospectedTable;
import org.mybatis.generator.api.PluginAdapter;
import org.mybatis.generator.api.ShellRunner;
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.Parameter;
import org.mybatis.generator.api.dom.java.TopLevelClass;
import org.mybatis.generator.api.dom.xml.Attribute;
import org.mybatis.generator.api.dom.xml.Element;
import org.mybatis.generator.api.dom.xml.TextElement;
import org.mybatis.generator.api.dom.xml.XmlElement;
/**
* <pre>
* add pagination using mysql limit.
* This class is only used in ibator code generator.
* </pre>
*/
public class MapperPaginationPlugin extends PluginAdapter {
private Logger log = Logger.getLogger(PaginationPlugin.class);
public MapperPaginationPlugin(){
Properties properties = new Properties();
properties.setProperty("log4j.rootCategory", "debug, R");
properties.setProperty("log4j.appender.R", "org.apache.log4j.RollingFileAppender");
properties.setProperty("log4j.appender.R.File", "D:/mybatisGenerator.log");//the output file ,you can read from other config file
properties.setProperty("log4j.appender.R.MaxFileSize", "1024000");//ȥ��K ,ֻ������
properties.setProperty("log4j.appender.R.MaxBackupIndex", "2");
properties.setProperty("log4j.appender.R.layout", "org.apache.log4j.PatternLayout");
properties.setProperty("log4j.appender.R.layout.ConversionPattern", "%m%n");
PropertyConfigurator.configure( properties );
}
@Override
public boolean modelExampleClassGenerated(TopLevelClass topLevelClass,
IntrospectedTable introspectedTable) {
// add field, getter, setter for limit clause
addLimit(topLevelClass, introspectedTable, "limitStart");
addLimit(topLevelClass, introspectedTable, "limitMaxSize");
return super.modelExampleClassGenerated(topLevelClass,
introspectedTable);
}
private String getBlank(int deep){
String s="";
for(int i=0; i<deep; i++){
s+="   ";
}
return s;
}
private void printElement(Element element,int deep){
if(element instanceof XmlElement){
XmlElement element2 = (XmlElement)element;
log.info(getBlank(deep)+"Element Name:"+element2.getName());
deep += 1;
for(Element c:element2.getElements()){
printElement(c,deep);
}
deep -=1;
}else{
log.info(getBlank(deep)+"Element Type:"+element.getClass().getSimpleName());
}
}
@Override
public boolean sqlMapSelectByExampleWithoutBLOBsElementGenerated(
XmlElement element, IntrospectedTable introspectedTable) {
XmlElement isNotNullElement = new XmlElement("if"); //$NON-NLS-1$
isNotNullElement.addAttribute(new Attribute("test", "limitStart >= 0")); //$NON-NLS-1$ //$NON-NLS-2$
isNotNullElement.addElement(new TextElement("limit ${limitStart} , ${limitMaxSize}"));
element.addElement(isNotNullElement);
return super.sqlMapUpdateByExampleWithoutBLOBsElementGenerated(element, introspectedTable);
}
private void addLimit(TopLevelClass topLevelClass,
IntrospectedTable introspectedTable, String name) {
CommentGenerator commentGenerator = context.getCommentGenerator();
Field field = new Field();
field.setVisibility(JavaVisibility.PROTECTED);
field.setType(FullyQualifiedJavaType.getIntInstance());
field.setName(name);
field.setInitializationString("-1");
commentGenerator.addFieldComment(field, introspectedTable);
topLevelClass.addField(field);
char c = name.charAt(0);
String camel = Character.toUpperCase(c) + name.substring(1);
Method method = new Method();
method.setVisibility(JavaVisibility.PUBLIC);
method.setName("set" + camel);
method.addParameter(new Parameter(FullyQualifiedJavaType
.getIntInstance(), name));
method.addBodyLine("this." + name + "=" + name + ";");
commentGenerator.addGeneralMethodComment(method, introspectedTable);
topLevelClass.addMethod(method);
method = new Method();
method.setVisibility(JavaVisibility.PUBLIC);
method.setReturnType(FullyQualifiedJavaType.getIntInstance());
method.setName("get" + camel);
method.addBodyLine("return " + name + ";");
commentGenerator.addGeneralMethodComment(method, introspectedTable);
topLevelClass.addMethod(method);
}
/**
* This plugin is always valid - no properties are required
*/
public boolean validate(List<String> warnings) {
return true;
}
public static void generate() {
String config = PaginationPlugin.class.getClassLoader().getResource(
"mybatisConfig.xml").getFile();
String[] arg = { "-configfile", config, "-overwrite" };
ShellRunner.main(arg);
}
public static void main(String[] args) {
generate();
}
}

 
 
 

import java.util.List;
import org.mybatis.generator.api.PluginAdapter;
import java.util.List;
import org.mybatis.generator.api.CommentGenerator;
import org.mybatis.generator.api.IntrospectedTable;
import org.mybatis.generator.api.PluginAdapter;
import org.mybatis.generator.api.ShellRunner;
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.Parameter;
import org.mybatis.generator.api.dom.java.TopLevelClass;
import org.mybatis.generator.api.dom.xml.Attribute;
import org.mybatis.generator.api.dom.xml.TextElement;
import org.mybatis.generator.api.dom.xml.XmlElement;
/**
* <pre>
* add pagination using mysql limit.
* This class is only used in ibator code generator.
* </pre>
*/
public class PaginationPlugin extends PluginAdapter {
@Override
public boolean modelExampleClassGenerated(TopLevelClass topLevelClass,
IntrospectedTable introspectedTable) {
// add field, getter, setter for limit clause
addLimit(topLevelClass, introspectedTable, "limitStart");
addLimit(topLevelClass, introspectedTable, "limitEnd");
return super.modelExampleClassGenerated(topLevelClass,
introspectedTable);
}
@Override
public boolean sqlMapSelectByExampleWithoutBLOBsElementGenerated(
XmlElement element, IntrospectedTable introspectedTable) {
XmlElement isParameterPresenteElemen = (XmlElement) element
.getElements().get(element.getElements().size() - 1);
XmlElement isNotNullElement = new XmlElement("isGreaterEqual"); //$NON-NLS-1$  
isNotNullElement.addAttribute(new Attribute("property", "limitStart")); //$NON-NLS-1$ //$NON-NLS-2$  
isNotNullElement.addAttribute(new Attribute("compareValue", "0")); //$NON-NLS-1$ //$NON-NLS-2$  
isNotNullElement.addElement(new TextElement(
"limit $limitStart$ , $limitEnd$"));
isParameterPresenteElemen.addElement(isNotNullElement);
return super.sqlMapUpdateByExampleWithoutBLOBsElementGenerated(element,
introspectedTable);
}
private void addLimit(TopLevelClass topLevelClass,
IntrospectedTable introspectedTable, String name) {
CommentGenerator commentGenerator = context.getCommentGenerator();
Field field = new Field();
field.setVisibility(JavaVisibility.PROTECTED);
field.setType(FullyQualifiedJavaType.getIntInstance());
field.setName(name);
field.setInitializationString("-1");
commentGenerator.addFieldComment(field, introspectedTable);
topLevelClass.addField(field);
char c = name.charAt(0);
String camel = Character.toUpperCase(c) + name.substring(1);
Method method = new Method();
method.setVisibility(JavaVisibility.PUBLIC);
method.setName("set" + camel);
method.addParameter(new Parameter(FullyQualifiedJavaType
.getIntInstance(), name));
method.addBodyLine("this." + name + "=" + name + ";");
commentGenerator.addGeneralMethodComment(method, introspectedTable);
topLevelClass.addMethod(method);
method = new Method();
method.setVisibility(JavaVisibility.PUBLIC);
method.setReturnType(FullyQualifiedJavaType.getIntInstance());
method.setName("get" + camel);
method.addBodyLine("return " + name + ";");
commentGenerator.addGeneralMethodComment(method, introspectedTable);
topLevelClass.addMethod(method);
}
/**
* This plugin is always valid - no properties are required
*/
public boolean validate(List<String> warnings) {
return true;
}
public static void generate() {
String config = PaginationPlugin.class.getClassLoader()
.getResource("Yododo.xml").getFile();
String[] arg = { "-configfile", config, "-overwrite" };
ShellRunner.main(arg);
}
public static void main(String[] args) {
generate();
}
}
 
 
 

targetProject=mybatis-generatorByMaven
#targetProject=Yododo
model.package=com.yododo.core.domain
sqlMap.package=sqlmap.mybatis
dao.package=com.yododo.core.dao.mybatis
jdbc.jar=C:/Users/Administrator/.m2/repository/mysql/mysql-connector-java/5.1.18/mysql-connector-java-5.1.18.jar
jdbc.driver.class=com.mysql.jdbc.Driver
jdbc.url=jdbc\:mysql\://192.168.1.5\:3306/yddtest?useUnicode\=true&amp;characterEncoding\=UTF-8
jdbc.user=ydd
jdbc.password=MySqL4ydd
 
 
 
 

<?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>
<properties resource="mybatis.properties" />
<classPathEntry
location="D:\Projects\tour\lib\mysql-connector-java-5.1.18-bin.jar" />
<!-- MyBatis3  Ibatis2Java5 -->
<context id="context1" targetRuntime="MyBatis3">
<plugin type="MapperPaginationPlugin" />
<commentGenerator>
<property name="suppressAllComments" value="true" />
</commentGenerator>
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="${jdbc.url}" userId="${jdbc.user}" password="${jdbc.password}" />
<javaTypeResolver>
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<javaModelGenerator targetPackage="${model.package}"
targetProject="${targetProject}">
<property name="enableSubPackages" value="true" />
<property name="trimStrings" value="true" />
</javaModelGenerator>
<sqlMapGenerator targetPackage="${sqlMap.package}"
targetProject="${targetProject}">
<property name="enableSubPackages" value="true" />
</sqlMapGenerator>
<!-- SPRING  XMLMAPPER -->
<javaClientGenerator type="XMLMAPPER" targetPackage="${dao.package}"
targetProject="${targetProject}">
<property name="enableSubPackages" value="true" />
</javaClientGenerator>
<!-- <table tableName="tour_place_range">
<generatedKey column="place_range_id" identity="true"
sqlStatement="SELECT LAST_INSERT_ID()"></generatedKey>
</table> -->
<table tableName="sale_hotel">
<columnOverride column="status" javaType="Integer" jdbcType="TINYINT"></columnOverride>
<columnOverride column="securepay" javaType="Integer" jdbcType="TINYINT"></columnOverride>
<columnOverride column="areaorderid" javaType="Integer" jdbcType="TINYINT"></columnOverride>
<columnOverride column="pricefrom" javaType="Integer" jdbcType="SMALLINT"></columnOverride>
<columnOverride column="priceto" javaType="Integer" jdbcType="SMALLINT"></columnOverride>
</table>
</context>
</generatorConfiguration>
 
 
MyEclipse下右击Yododo.xml点Generate Mybatis/iBATIS Artifacts 运行生成
 
MyEclipse
增加generatorByMaven插件地址:http://mybatis.googlecode.com/svn/sub-projects/generator/trunk/eclipse/UpdateSite
手工添加:将附件中解压的features和plugins文件夹里的内容分别拷贝到MyEclipse的features和plugins文件夹后重启myeclipse即可
 
mac系统eclipse安装
  手动安装:将附件中解压的features和plugins文件夹拷贝到Eclipse安装目录的dropins文件夹下重启eclipse即可
 
 
 

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