自己寫的一個代碼自動生成工具_java版_源碼下載

本文轉載自查看原文 2013-02-24 17:22 31629 java版/ java/ 代碼自動生成工具/ 源碼下載

項目結構：

這里要實現的功能是，當我們給出了bean，如：Admin，User，People等實體類后，

我想用代碼自動生成我想要的代碼，最后生成的效果：

也就是說為每一個bean都生成相應的Dao，DaoImpl，Service，ServiceImpl等類。

后台運行效果：

下面是列出自動生成User的相關文件：

UseDao

、

UserDaoImpl

UserService

UserServiceImpl

=================================================

代碼部分：

=================================================

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

  1 /**
  2  * 
  3  */
  4 package com.b510.base.bean.install;
  5 
  6 import java.io.File;
  7 import java.io.FileWriter;
  8 import java.text.SimpleDateFormat;
  9 import java.util.Date;
 10 
 11 
 12 /**
 13  * @author hongten(hongtenzone@foxmail.com)
 14  * @date 2013-2-24
 15  */
 16 @SuppressWarnings("unchecked")
 17 public class BeanUtils {
 18     
 19 
 20     
 21     //公共部分
 22     private static final String RT_1 = "\r\n";
 23     private static final String RT_2 = RT_1+RT_1;
 24     private static final String BLANK_1 =" ";
 25     private static final String BLANK_4 ="    ";
 26     private static final String BLANK_8 =BLANK_4 + BLANK_4;
 27     
 28     
 29     
 30     //注釋部分
 31     private static final String ANNOTATION_AUTHOR_PARAMTER = "@author ";
 32     private static final String ANNOTATION_AUTHOR_NAME = "hongten(hongtenzone@foxmail.com)";
 33     private static final String ANNOTATION_AUTHOR = ANNOTATION_AUTHOR_PARAMTER + ANNOTATION_AUTHOR_NAME;
 34     private static final String ANNOTATION_DATE = "@date ";
 35     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;
 36     
 37     
 38     //文件 地址
 39     //private static final String BEAN_PATH = "com/b510/base/bean";
 40     private static final String DAO_PATH = "com/b510/base/dao";
 41     private static final String DAO_IMPL_PATH = "com/b510/base/dao/impl";
 42     private static final String SERVICE_PATH = "com/b510/base/service";
 43     private static final String SERVICE_IMPL_PATH = "com/b510/base/service/impl";
 44 
 45     
 46     
 47     //包名
 48     private static final String BEAN_URL = "com.b510.base.bean";
 49     private static final String DAO_URL = "com.b510.base.dao";
 50     private static final String DAO_IMPL_URL = "com.b510.base.dao.impl";
 51     private static final String SERVICE_URL = "com.b510.base.service";
 52     private static final String SERVICE_IMPL_URL = "com.b510.base.service.impl";
 53 
 54     //基本類名稱
 55     private static final String BASE_DAO_NAME = DAO_URL + ".BaseDao";
 56     private static final String ABSTRACT_BASE_DAO_IMPL_NAME = DAO_IMPL_URL + ".AbstractBaseDaoImpl";
 57     private static final String BASE_SERVICE_NAME = SERVICE_URL + ".BaseService";
 58     private static final String ABSTRACT_BASE_SERVICE_IMPL_NAME = SERVICE_IMPL_URL + ".AbstractBaseServiceImpl";
 59     
 60     
 61     /**
 62      * 創建bean的Dao<br>
 63      * 
 64      * @param c
 65      * @throws Exception
 66      */
 67     public void createBeanDao(Class c) throws Exception {
 68         String cName = c.getName();
 69         String fileName = System.getProperty("user.dir") + "/src/" + DAO_PATH
 70                 + "/" + getLastChar(cName) + "Dao.java";
 71         File f = new File(fileName);
 72         FileWriter fw = new FileWriter(f);
 73         fw.write("package "+DAO_URL+";"+RT_2+ANNOTATION+"public interface " + 
 74                 getLastChar(cName) + "Dao extends "+BASE_DAO_NAME+" <" + cName + "> {"+RT_2+"}");
 75         fw.flush();
 76         fw.close();
 77         showInfo(fileName);
 78     }
 79 
 80     /**
 81      * 創建bean的Dao的實現類
 82      * @param c
 83      * @throws Exception
 84      */
 85     public void createBeanDaoImpl(Class c) throws Exception{
 86         String cName = c.getName();
 87         String fileName = System.getProperty("user.dir") + "/src/" + DAO_IMPL_PATH
 88                 + "/" + getLastChar(cName) + "DaoImpl.java";
 89         File f = new File(fileName);
 90         FileWriter fw = new FileWriter(f);
 91         fw.write("package "+DAO_IMPL_URL+";"+RT_2+ANNOTATION+"public class " + 
 92                 getLastChar(cName) + "DaoImpl extends "+ABSTRACT_BASE_DAO_IMPL_NAME+"<" + 
 93                 cName + "> implements "+DAO_URL+"."+getLastChar(cName)+"Dao{"+RT_2+"}");
 94         fw.flush();
 95         fw.close();
 96         showInfo(fileName);
 97     }
 98     
 99     
100     
101     /**
102      * 創建bean的service
103      * @param c
104      * @throws Exception
105      */
106     public void createBeanService(Class c) throws Exception{
107         String cName = c.getName();
108         String fileName = System.getProperty("user.dir") + "/src/" + SERVICE_PATH
109                 + "/" + getLastChar(cName) + "Service.java";
110         File f = new File(fileName);
111         FileWriter fw = new FileWriter(f);
112         fw.write("package "+SERVICE_URL+";"+RT_2+ANNOTATION+"public interface " + 
113                 getLastChar(cName) + "Service extends "+BASE_SERVICE_NAME+"<"+ cName +">{"+RT_2+"}");
114         fw.flush();
115         fw.close();
116         showInfo(fileName);
117     }
118     
119     /**
120      * 創建bean的service的實現類
121      * @param c
122      * @throws Exception
123      */
124     public void createBeanServiceImpl(Class c) throws Exception{
125         String cName = c.getName();
126         String fileName = System.getProperty("user.dir") + "/src/" + SERVICE_IMPL_PATH 
127                 + "/" +getLastChar(cName)+"ServiceImpl.java";
128         File f = new File(fileName);
129         FileWriter fw = new FileWriter(f);
130         fw.write("package "+SERVICE_IMPL_URL+";"+RT_2+ANNOTATION+"public class " 
131                 + getLastChar(cName) + "ServiceImpl extends "+ABSTRACT_BASE_SERVICE_IMPL_NAME+"<"+ cName 
132                 + "> implements "+SERVICE_URL+"."+getLastChar(cName)+"Service{"+RT_2+BLANK_4
133                 +"private "+DAO_URL+"."+getLastChar(cName)+"Dao "+getLowercaseChar(getLastChar(cName))
134                 +"Dao;"+RT_2+BLANK_4+"public void set"+getLastChar(cName)+"Dao("+DAO_URL+"."+getLastChar(cName)+"Dao "
135                 +getLowercaseChar(getLastChar(cName))+"Dao){"+RT_1+BLANK_8+"this."+getLowercaseChar(getLastChar(cName))+"Dao = "
136                 +getLowercaseChar(getLastChar(cName))+"Dao;"+RT_1+BLANK_4+"}"+RT_2+BLANK_4+"@Override"+RT_1+BLANK_4
137                 +"public "+DAO_URL+"."+"BaseDao<"+BEAN_URL+"."+getLastChar(cName)+"> getBaseDao(){"+RT_1+BLANK_8
138                 +"return "+getLowercaseChar(getLastChar(cName))+"Dao;"+RT_1+BLANK_4+"}"+RT_2+"}");
139         fw.flush();
140         fw.close();
141         showInfo(fileName);
142     }
143     
144 
145     /**
146      * 獲取路徑的最后面字符串<br>
147      * 如：<br>
148      *     <code>str = "com.b510.base.bean.User"</code><br>
149      *     <code> return "User";<code>
150      * @param str
151      * @return
152      */
153     public String getLastChar(String str) {
154         if ((str != null) && (str.length() > 0)) {
155             int dot = str.lastIndexOf('.');
156             if ((dot > -1) && (dot < (str.length() - 1))) {
157                 return str.substring(dot + 1);
158             }
159         }
160         return str;
161     }
162     
163     /**
164      * 把第一個字母變為小寫<br>
165      * 如：<br>
166      *     <code>str = "UserDao";</code><br>
167      *     <code>return "userDao";</code>
168      * @param str
169      * @return
170      */
171     public String getLowercaseChar(String str){
172         return str.substring(0,1).toLowerCase()+str.substring(1);
173     }
174 
175     /**
176      * 顯示信息
177      * @param info
178      */
179     public void showInfo(String info){
180         System.out.println("創建文件："+ info+ "成功！");
181     }
182     
183     /**
184      * 獲取系統時間
185      * @return
186      */
187     public static String getDate(){
188         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
189         return simpleDateFormat.format(new Date());
190     }
191 }

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

 1 /**
 2  * 
 3  */
 4 package com.b510.base.bean.install;
 5 
 6 import com.b510.base.bean.Admin;
 7 import com.b510.base.bean.People;
 8 import com.b510.base.bean.User;
 9 
10 /**
11  * @author hongten(hongtenzone@foxmail.com)
12  * @date 2013-2-24
13  */
14 public class BeanUtilTest {
15 
16     public static void main(String[] args) throws Exception{
17         BeanUtilTest beanUtilTest = new BeanUtilTest();
18         BeanUtils beanUtils = new BeanUtils();
19         beanUtilTest.beanTool(beanUtils, User.class);
20         beanUtilTest.beanTool(beanUtils, People.class);
21         beanUtilTest.beanTool(beanUtils, Admin.class);
22     }
23     
24     /**
25      * 根據bean生成相應的文件
26      * @param beanUtils
27      * @param c
28      * @throws Exception
29      */
30     @SuppressWarnings("unchecked")
31     public void beanTool(BeanUtils beanUtils ,Class c)throws Exception{
32         beanUtils.createBeanDao(c);
33         beanUtils.createBeanDaoImpl(c);
34         beanUtils.createBeanService(c);
35         beanUtils.createBeanServiceImpl(c);
36     }
37 }

源碼下載：http://files.cnblogs.com/hongten/UUUU_Web_Test.zip

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