自己写的一个代码自动生成工具_java版_源码下载

项目结构：



这里要实现的功能是，当我们给出了bean，如：Admin，User，People等实体类后，

我想用代码自动生成我想要的代码，最后生成的效果：



也就是说为每一个bean都生成相应的Dao，DaoImpl，Service，ServiceImpl等类。

后台运行效果：



下面是列出自动生成User的相关文件：

UseDao


、

UserDaoImpl



UserService



UserServiceImpl



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代码部分：

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/UUUU_Web_Test/src/com/b510/base/bean/install/BeanUtils.java

/**
*
*/
package com.b510.base.bean.install;

import java.io.File;
import java.io.FileWriter;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
* @author hongten(hongtenzone@foxmail.com)
* @date 2013-2-24
*/
@SuppressWarnings("unchecked")
public class BeanUtils {

//公共部分
private static final String RT_1 = "\r\n";
private static final String RT_2 = RT_1+RT_1;
private static final String BLANK_1 =" ";
private static final String BLANK_4 ="    ";
private static final String BLANK_8 =BLANK_4 + BLANK_4;

//注释部分
private static final String ANNOTATION_AUTHOR_PARAMTER = "@author ";
private static final String ANNOTATION_AUTHOR_NAME = "hongten(hongtenzone@foxmail.com)";
private static final String ANNOTATION_AUTHOR = ANNOTATION_AUTHOR_PARAMTER + ANNOTATION_AUTHOR_NAME;
private static final String ANNOTATION_DATE = "@date ";
private static final String ANNOTATION = "/**"+RT_1+BLANK_1+"*"+BLANK_1+ANNOTATION_AUTHOR +RT_1+BLANK_1+"*"+BLANK_1+ANNOTATION_DATE +getDate()+RT_1+BLANK_1+"*/"+RT_1;

//文件 地址
//private static final String BEAN_PATH = "com/b510/base/bean";
private static final String DAO_PATH = "com/b510/base/dao";
private static final String DAO_IMPL_PATH = "com/b510/base/dao/impl";
private static final String SERVICE_PATH = "com/b510/base/service";
private static final String SERVICE_IMPL_PATH = "com/b510/base/service/impl";

//包名
private static final String BEAN_URL = "com.b510.base.bean";
private static final String DAO_URL = "com.b510.base.dao";
private static final String DAO_IMPL_URL = "com.b510.base.dao.impl";
private static final String SERVICE_URL = "com.b510.base.service";
private static final String SERVICE_IMPL_URL = "com.b510.base.service.impl";

//基本类名称
private static final String BASE_DAO_NAME = DAO_URL + ".BaseDao";
private static final String ABSTRACT_BASE_DAO_IMPL_NAME = DAO_IMPL_URL + ".AbstractBaseDaoImpl";
private static final String BASE_SERVICE_NAME = SERVICE_URL + ".BaseService";
private static final String ABSTRACT_BASE_SERVICE_IMPL_NAME = SERVICE_IMPL_URL + ".AbstractBaseServiceImpl";

/**
* 创建bean的Dao<br>
*
* @param c
* @throws Exception
*/
public void createBeanDao(Class c) throws Exception {
String cName = c.getName();
String fileName = System.getProperty("user.dir") + "/src/" + DAO_PATH
+ "/" + getLastChar(cName) + "Dao.java";
File f = new File(fileName);
FileWriter fw = new FileWriter(f);
fw.write("package "+DAO_URL+";"+RT_2+ANNOTATION+"public interface " +
getLastChar(cName) + "Dao extends "+BASE_DAO_NAME+" <" + cName + "> {"+RT_2+"}");
fw.flush();
fw.close();
showInfo(fileName);
}

/**
* 创建bean的Dao的实现类
* @param c
* @throws Exception
*/
public void createBeanDaoImpl(Class c) throws Exception{
String cName = c.getName();
String fileName = System.getProperty("user.dir") + "/src/" + DAO_IMPL_PATH
+ "/" + getLastChar(cName) + "DaoImpl.java";
File f = new File(fileName);
FileWriter fw = new FileWriter(f);
fw.write("package "+DAO_IMPL_URL+";"+RT_2+ANNOTATION+"public class " +
getLastChar(cName) + "DaoImpl extends "+ABSTRACT_BASE_DAO_IMPL_NAME+"<" +
cName + "> implements "+DAO_URL+"."+getLastChar(cName)+"Dao{"+RT_2+"}");
fw.flush();
fw.close();
showInfo(fileName);
}

/**
* 创建bean的service
* @param c
* @throws Exception
*/
public void createBeanService(Class c) throws Exception{
String cName = c.getName();
String fileName = System.getProperty("user.dir") + "/src/" + SERVICE_PATH
+ "/" + getLastChar(cName) + "Service.java";
File f = new File(fileName);
FileWriter fw = new FileWriter(f);
fw.write("package "+SERVICE_URL+";"+RT_2+ANNOTATION+"public interface " +
getLastChar(cName) + "Service extends "+BASE_SERVICE_NAME+"<"+ cName +">{"+RT_2+"}");
fw.flush();
fw.close();
showInfo(fileName);
}

/**
* 创建bean的service的实现类
* @param c
* @throws Exception
*/
public void createBeanServiceImpl(Class c) throws Exception{
String cName = c.getName();
String fileName = System.getProperty("user.dir") + "/src/" + SERVICE_IMPL_PATH
+ "/" +getLastChar(cName)+"ServiceImpl.java";
File f = new File(fileName);
FileWriter fw = new FileWriter(f);
fw.write("package "+SERVICE_IMPL_URL+";"+RT_2+ANNOTATION+"public class "
+ getLastChar(cName) + "ServiceImpl extends "+ABSTRACT_BASE_SERVICE_IMPL_NAME+"<"+ cName
+ "> implements "+SERVICE_URL+"."+getLastChar(cName)+"Service{"+RT_2+BLANK_4
+"private "+DAO_URL+"."+getLastChar(cName)+"Dao "+getLowercaseChar(getLastChar(cName))
+"Dao;"+RT_2+BLANK_4+"public void set"+getLastChar(cName)+"Dao("+DAO_URL+"."+getLastChar(cName)+"Dao "
+getLowercaseChar(getLastChar(cName))+"Dao){"+RT_1+BLANK_8+"this."+getLowercaseChar(getLastChar(cName))+"Dao = "
+getLowercaseChar(getLastChar(cName))+"Dao;"+RT_1+BLANK_4+"}"+RT_2+BLANK_4+"@Override"+RT_1+BLANK_4
+"public "+DAO_URL+"."+"BaseDao<"+BEAN_URL+"."+getLastChar(cName)+"> getBaseDao(){"+RT_1+BLANK_8
+"return "+getLowercaseChar(getLastChar(cName))+"Dao;"+RT_1+BLANK_4+"}"+RT_2+"}");
fw.flush();
fw.close();
showInfo(fileName);
}

/**
* 获取路径的最后面字符串<br>
* 如：<br>
*     <code>str = "com.b510.base.bean.User"</code><br>
*     <code> return "User";<code>
* @param str
* @return
*/
public String getLastChar(String str) {
if ((str != null) && (str.length() > 0)) {
int dot = str.lastIndexOf('.');
if ((dot > -1) && (dot < (str.length() - 1))) {
return str.substring(dot + 1);
}
}
return str;
}

/**
* 把第一个字母变为小写<br>
* 如：<br>
*     <code>str = "UserDao";</code><br>
*     <code>return "userDao";</code>
* @param str
* @return
*/
public String getLowercaseChar(String str){
return str.substring(0,1).toLowerCase()+str.substring(1);
}

/**
* 显示信息
* @param info
*/
public void showInfo(String info){
System.out.println("创建文件："+ info+ "成功！");
}

/**
* 获取系统时间
* @return
*/
public static String getDate(){
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
return simpleDateFormat.format(new Date());
}
}

/UUUU_Web_Test/src/com/b510/base/bean/install/BeanUtilTest.java

/**
*
*/
package com.b510.base.bean.install;

import com.b510.base.bean.Admin;
import com.b510.base.bean.People;
import com.b510.base.bean.User;

/**
* @author hongten(hongtenzone@foxmail.com)
* @date 2013-2-24
*/
public class BeanUtilTest {

public static void main(String[] args) throws Exception{
BeanUtilTest beanUtilTest = new BeanUtilTest();
BeanUtils beanUtils = new BeanUtils();
beanUtilTest.beanTool(beanUtils, User.class);
beanUtilTest.beanTool(beanUtils, People.class);
beanUtilTest.beanTool(beanUtils, Admin.class);
}

/**
* 根据bean生成相应的文件
* @param beanUtils
* @param c
* @throws Exception
*/
@SuppressWarnings("unchecked")
public void beanTool(BeanUtils beanUtils ,Class c)throws Exception{
beanUtils.createBeanDao(c);
beanUtils.createBeanDaoImpl(c);
beanUtils.createBeanService(c);
beanUtils.createBeanServiceImpl(c);
}
}

源码下载：http://files.cnblogs.com/hongten/UUUU_Web_Test.zip