模仿Hibernate的逆向工程_java版_源码下载
2024-05-11 08:36:45
在这篇blog："Hibernate逆向工程原理_java版本"中谈到了Hibernate逆向工程原理。
我喜欢理论和实践相结合....so,今天我试着模仿hibernate的逆向工程，哈哈，我成功啦....
话不多说....直接上图先：
项目结构：
运行效果：
1 #jdbc.cfg.properties配置文件信息 2 #database name 3 DB_NAME = mytest
POJO效果：
#jdbc.cfg.properties配置文件信息 #database name DB_NAME = hongten
运行效果：
//说明：我们生成的POJO类的getter，setter方法没有自动生成，需要我们手动生成...^_^ //===============================================
====================================================
代码部分：
====================================================
/hibernate_reverse/src/com/b510/db/util/DBUtil.java
1 /**
2 *
3 */
4 package com.b510.db.util;
5
6 import java.sql.Connection;
7 import java.sql.DriverManager;
8 import java.sql.PreparedStatement;
9 import java.sql.ResultSet;
10 import java.util.ArrayList;
11 import java.util.List;
12
13 import org.apache.log4j.Logger;
14
15 import com.b510.velocity.util.DescTableBean;
16 import com.b510.velocity.util.LoadProperties;
17
18 /**
19 * 数据库工具，该类功能：<br>
20 * <li>showTables()获取数据库的所有表信息</li>
21 * <li>descTable()获取表的描述信息</li>
22 * <br>********************************************<br>
23 * <code>jdbc.cfg.properties</code>为数据库的配置信息，默认位置是在项目src目录下面<br>
24 * @author Hongten
25 * @date 2013-4-9
26 */
27 public class DBUtil {
28 Logger log = Logger.getLogger(DBUtil.class);
29
30 // 载入配置
31 // ==================================
32 private static final String JDBC_CFG_PROPERTIES = "jdbc.cfg.properties";
33 private static LoadProperties loadProperties = new LoadProperties(JDBC_CFG_PROPERTIES);
34
35 // JDBC RESOURCES
36 // ==================================
37 private static String DB_DRIVER = loadProperties.getValue("DB_DRIVER");
38 private static String DB_NAME = loadProperties.getValue("DB_NAME");
39 private static String DB_PASSWORD = loadProperties.getValue("DB_PASSWORD");
40 private static String DB_USER_NAME = loadProperties.getValue("DB_USER_NAME");
41 private static String DB_URL = "jdbc:mysql://localhost:" + loadProperties.getValue("DB_PORT") + "/" + DB_NAME;
42 private static String SHOW_TABLES = "show tables";
43
44 /**
45 * 读取配置文件，初始化信息
46 */
47 public DBUtil() {
48 loadProperties = loadProperties == null ? new LoadProperties(JDBC_CFG_PROPERTIES) : loadProperties;
49 }
50
51 /**
52 * 获取数据库中所有的表名称
53 *
54 * @return 数据库中表名称的list
55 * @throws Exception
56 */
57 public List<String> showTables() throws Exception {
58 List<String> list = new ArrayList<String>();
59 Class.forName(DB_DRIVER);
60 Connection conn = DriverManager.getConnection(DB_URL, DB_USER_NAME, DB_PASSWORD);
61 PreparedStatement ps = conn.prepareStatement(SHOW_TABLES);
62 ResultSet rs = ps.executeQuery();
63 log.info("数据库:[" + DB_NAME + "]中的表如下：");
64 while (rs.next()) {
65 String tableName = rs.getString(1);
66 log.info(tableName);
67 list.add(tableName);
68 }
69 close(rs, ps, conn);
70 return list;
71 }
72
73 /**
74 * 获取表的描述
75 * @param tableName 表名称
76 * @return
77 * @throws Exception
78 */
79 public List<DescTableBean> descTable(String tableName) throws Exception {
80 List<DescTableBean> list = new ArrayList<DescTableBean>();
81 DescTableBean temp = null;
82 Class.forName(DB_DRIVER);
83 Connection conn = DriverManager.getConnection(DB_URL, DB_USER_NAME, DB_PASSWORD);
84 PreparedStatement ps = conn.prepareStatement("desc " + tableName);
85 ResultSet rs = ps.executeQuery();
86 log.info("获取数据库表：[" + tableName + "]的结构:");
87 while (rs.next()) {
88 String descTable = " " + rs.getString(1) + " " + rs.getString(2) + " " + rs.getString(3) + " " + rs.getString(4) + " " + rs.getString(5) + " " + rs.getString(6);
89 log.info(descTable);
90 temp = new DescTableBean();
91 temp.setField(rs.getString(1));
92 String type = rs.getString(2);
93 temp.setType(getType(type));
94 temp.setLength(Integer.valueOf(getValueByType(type)));
95 temp.setDecase(Integer.valueOf(getDecase(type)));
96 temp.setIsNull(rs.getString(3));
97 temp.setKey(rs.getString(4));
98 temp.setDefaultValue(rs.getString(5));
99 temp.setExtra(rs.getString(6));
100 list.add(temp);
101 }
102 close(rs, ps, conn);
103 return list;
104 }
105
106 /**
107 * 关闭：记录集,声明,链接对象
108 * @param rs 记录集
109 * @param ps 声明
110 * @param conn 链接对象
111 * @throws Exception
112 */
113 protected void close(ResultSet rs,PreparedStatement ps,Connection conn) throws Exception{
114 if (rs != null) {
115 rs.close();
116 }
117 if (ps != null) {
118 ps.close();
119 }
120 if (conn != null) {
121 conn.close();
122 }
123 }
124
125 /**
126 * 获取类型
127 * @param type 如：<code>varchar(20)</code>,<code>datetime</code>,<code>double</code>,<code>longtext</code>
128 * @return 结果：<br><li>type = "varchar(20)", return type = "varchar";</li>
129 * <li>type = "datetime", return type = "datetime";</li>
130 */
131 protected String getType(String type){
132 if(type.endsWith(")")){
133 type = type.substring(0, type.indexOf("("));
134 }
135 return type;
136 }
137
138 /**
139 * 获取类型的长度,默认为255
140 * @param type 如：<code>varchar(20)</code>,<code>decimal(19,2)</code>,<code>datetime</code>,<code>double</code>,<code>longtext</code>
141 * @return 结果：<br><li>type = "varchar(20)", return "20";</li>
142 * <li>type = "datetime", return type = "255";</li>
143 * <li>type = "decimal(19,2)", return type = "19";</li>
144 */
145 protected String getValueByType(String type) {
146 if (type.endsWith(")")) {
147 type = type.substring(type.indexOf("(") + 1, type.length() - 1);
148 if(type.contains(",")){
149 type = type.substring(0,type.indexOf(","));
150 }
151 return type;
152 } else {
153 return "255";
154 }
155 }
156
157 /**
158 * 获取十进位,默认为0
159 * @param type 如：<code>varchar(20)</code>,<code>decimal(19,2)</code>,<code>datetime</code>,<code>double</code>,<code>longtext</code>
160 * @return 结果：<br><li>type = "varchar(20)", return "0";</li>
161 * <li>type = "datetime", return type = "255";</li>
162 * <li>type = "decimal(19,2)", return type = "19";</li>
163 */
164 protected String getDecase(String type){
165 if (type.endsWith(")")) {
166 type = type.substring(type.indexOf("(") + 1, type.length() - 1);
167 if(type.contains(",")){
168 type = type.substring(type.indexOf(",") + 1, type.length());
169 }else{
170 type = "0";
171 }
172 return type;
173 } else {
174 return "0";
175 }
176 }
177
178
179 /* public static void main(String[] args) throws Exception {
180 DBUtil dbUtil = new DBUtil();
181 List<String> list = dbUtil.showTables();
182 for (String str : list) {
183 System.out.println(str);
184 List<DescTableBean> listd = dbUtil.descTable(str);
185 for(DescTableBean d : listd){
186 System.out.println(d.getField()+d.getLength()+d.getDecase()+d.getType()+d.getIsNull()+d.getKey()+d.getDefaultValue()+d.getExtra());
187 }
188 }
189 }*/
190 }/hibernate_reverse/src/com/b510/reverse/test/HibernateReverseTest.java
1 /**
2 *
3 */
4 package com.b510.reverse.test;
5
6 import java.util.List;
7
8 import com.b510.db.util.DBUtil;
9 import com.b510.velocity.util.DescTableBean;
10 import com.b510.velocity.util.VelocityUtil;
11
12 /**
13 * 测试类，运行该类，在刷新一下项目，就可以获得我们的POJO类啦
14 * @author Hongten
15 * @date 2013-4-9
16 */
17 public class HibernateReverseTest {
18 public static void main(String[] args) throws Exception {
19 VelocityUtil velocityUtil = new VelocityUtil();
20 DBUtil dbUtil = new DBUtil();
21 List<String> list = dbUtil.showTables();
22 for (String tableName : list) {
23 System.out.println(tableName);
24 List<DescTableBean> descTable = dbUtil.descTable(tableName);
25 velocityUtil.generateBean(tableName, descTable);
26 }
27 }
28 }/hibernate_reverse/src/com/b510/velocity/util/Annotation.java
1 package com.b510.velocity.util;
2
3 /**
4 * 注释
5 *
6 * @author hongten<br>
7 * @date 2013-3-10
8 */
9 public class Annotation {
10
11 /**
12 * 作者名称
13 */
14 private String authorName;
15 /**
16 * 作者邮箱
17 */
18 private String authorMail;
19 /**
20 * 日期
21 */
22 private String date;
23 /**
24 * 版本
25 */
26 private String version;
27
28 public String getAuthorName() {
29 return authorName;
30 }
31
32 public void setAuthorName(String authorName) {
33 this.authorName = authorName;
34 }
35
36 public String getAuthorMail() {
37 return authorMail;
38 }
39
40 public void setAuthorMail(String authorMail) {
41 this.authorMail = authorMail;
42 }
43
44 public String getDate() {
45 return date;
46 }
47
48 public void setDate(String date) {
49 this.date = date;
50 }
51
52 public String getVersion() {
53 return version;
54 }
55
56 public void setVersion(String version) {
57 this.version = version;
58 }
59
60 }/hibernate_reverse/src/com/b510/velocity/util/Bean.java
1 package com.b510.velocity.util;
2
3 import java.util.ArrayList;
4 import java.util.List;
5
6 /**
7 * bean类
8 *
9 * @author hongten<br>
10 * @date 2013-3-10
11 */
12 @SuppressWarnings("rawtypes")
13 public class Bean {
14
15 /** bean 名称 */
16 private String name;
17 /** bean 首字母小写名称 */
18 private String lowerName;
19 /** bean 路径 */
20 private String beanUrl;
21 /** dao 路径 */
22 private String beanDaoUrl;
23 /** dao 实现路径 */
24 private String beanDaoImplUrl;
25 /** service 路径 */
26 private String beanServiceUrl;
27 /** service 实现路径 */
28 private String beanServiceImplUrl;
29 /** web Action 路径 */
30 private String webActionUrl;
31 /** web Admin Action 路径 */
32 private String webAdminActionUrl;
33
34 private List<Class> beanDaoList = new ArrayList<Class>();
35 private List<Class> beanDaoImplList = new ArrayList<Class>();
36 private List<Class> beanServiceList = new ArrayList<Class>();
37 private List<Class> beanServiceImplList = new ArrayList<Class>();
38
39 private static List<String> beanDaoUrlList = new ArrayList<String>();
40 private static List<String> beanDaoImplUrlList = new ArrayList<String>();
41 private static List<String> beanServiceUrlList = new ArrayList<String>();
42 private static List<String> beanServiceImplUrlList = new ArrayList<String>();
43
44 public String getName() {
45 return name;
46 }
47
48 public void setName(String name) {
49 this.name = name;
50 }
51
52 public String getLowerName() {
53 return lowerName;
54 }
55
56 public void setLowerName(String lowerName) {
57 this.lowerName = lowerName;
58 }
59
60 public String getBeanUrl() {
61 return beanUrl;
62 }
63
64 public void setBeanUrl(String beanUrl) {
65 this.beanUrl = beanUrl;
66 }
67
68 public String getBeanDaoUrl() {
69 return beanDaoUrl;
70 }
71
72 public void setBeanDaoUrl(String beanDaoUrl) {
73 this.beanDaoUrl = beanDaoUrl;
74 }
75
76 public String getBeanDaoImplUrl() {
77 return beanDaoImplUrl;
78 }
79
80 public void setBeanDaoImplUrl(String beanDaoImplUrl) {
81 this.beanDaoImplUrl = beanDaoImplUrl;
82 }
83
84 public String getBeanServiceUrl() {
85 return beanServiceUrl;
86 }
87
88 public void setBeanServiceUrl(String beanServiceUrl) {
89 this.beanServiceUrl = beanServiceUrl;
90 }
91
92 public String getBeanServiceImplUrl() {
93 return beanServiceImplUrl;
94 }
95
96 public void setBeanServiceImplUrl(String beanServiceImplUrl) {
97 this.beanServiceImplUrl = beanServiceImplUrl;
98 }
99
100 public String getWebActionUrl() {
101 return webActionUrl;
102 }
103
104 public void setWebActionUrl(String webActionUrl) {
105 this.webActionUrl = webActionUrl;
106 }
107
108 public List<Class> getBeanDaoList() {
109 return beanDaoList;
110 }
111
112 public void setBeanDaoList(List<Class> beanDaoList) {
113 this.beanDaoList = beanDaoList;
114 }
115
116 public List<Class> getBeanDaoImplList() {
117 return beanDaoImplList;
118 }
119
120 public void setBeanDaoImplList(List<Class> beanDaoImplList) {
121 this.beanDaoImplList = beanDaoImplList;
122 }
123
124 public List<Class> getBeanServiceList() {
125 return beanServiceList;
126 }
127
128 public void setBeanServiceList(List<Class> beanServiceList) {
129 this.beanServiceList = beanServiceList;
130 }
131
132 public List<Class> getBeanServiceImplList() {
133 return beanServiceImplList;
134 }
135
136 public void setBeanServiceImplList(List<Class> beanServiceImplList) {
137 this.beanServiceImplList = beanServiceImplList;
138 }
139
140 public static List<String> getBeanDaoUrlList() {
141 return beanDaoUrlList;
142 }
143
144 public static void setBeanDaoUrlList(List<String> beanDaoUrlList) {
145 Bean.beanDaoUrlList = beanDaoUrlList;
146 }
147
148 public static List<String> getBeanDaoImplUrlList() {
149 return beanDaoImplUrlList;
150 }
151
152 public static void setBeanDaoImplUrlList(List<String> beanDaoImplUrlList) {
153 Bean.beanDaoImplUrlList = beanDaoImplUrlList;
154 }
155
156 public static List<String> getBeanServiceUrlList() {
157 return beanServiceUrlList;
158 }
159
160 public static void setBeanServiceUrlList(List<String> beanServiceUrlList) {
161 Bean.beanServiceUrlList = beanServiceUrlList;
162 }
163
164 public static List<String> getBeanServiceImplUrlList() {
165 return beanServiceImplUrlList;
166 }
167
168 public static void setBeanServiceImplUrlList(List<String> beanServiceImplUrlList) {
169 Bean.beanServiceImplUrlList = beanServiceImplUrlList;
170 }
171
172 public String getWebAdminActionUrl() {
173 return webAdminActionUrl;
174 }
175
176 public void setWebAdminActionUrl(String webAdminActionUrl) {
177 this.webAdminActionUrl = webAdminActionUrl;
178 }
179
180 }/hibernate_reverse/src/com/b510/velocity/util/DescTableBean.java
1 /**
2 *
3 */
4 package com.b510.velocity.util;
5
6 /**
7 * 在数据库中，我们可以用sql语句："desc table_name"，查询名称为："table_name"的表的结构情况<br>
8 * 这里就是
9 *
10 * @author Hongten
11 * @date 2013-4-9
12 */
13 public class DescTableBean {
14
15 /**
16 * id编号
17 */
18 private Integer id;
19 /**
20 * 属性,eg:<code>name</code>
21 */
22 private String field;
23 /**
24 * 类型,eg:<code>varchar</code>,<code>datetime</code>,<code>double</code>,<code>longtext</code>
25 */
26 private String type;
27 /**
28 * 长度，如果没有规定长度的，则默认为255
29 */
30 private Integer length = 255;
31 /**
32 * 十进位，默认为0，针对<code>decimal</code>
33 */
34 private Integer decase;
35 /**
36 * 是否为空，只有两个选择:YES,NO,eg:<code>YES</code>
37 */
38 private String isNull;
39 /**
40 * 是否为主键，如果为主键则， key = <code>PRI</code>，如果唯一，则 key = <code>UNI</code>
41 * ，如果为外键，则 key = <code>MUL</code>
42 */
43 private String key;
44 /**
45 * 属性的默认值
46 */
47 private String defaultValue;
48 /**
49 * 其他选项，如一个表的id的增长方式为：auto_increment
50 */
51 private String extra;
52
53 public Integer getId() {
54 return id;
55 }
56
57 public void setId(Integer id) {
58 this.id = id;
59 }
60
61 public String getField() {
62 return field;
63 }
64
65 public void setField(String field) {
66 this.field = field;
67 }
68
69 public String getType() {
70 return type;
71 }
72
73 public void setType(String type) {
74 this.type = type;
75 }
76
77 public Integer getLength() {
78 return length;
79 }
80
81 public void setLength(Integer length) {
82 this.length = length;
83 }
84
85 public String getIsNull() {
86 return isNull;
87 }
88
89 public void setIsNull(String isNull) {
90 this.isNull = isNull;
91 }
92
93 public String getKey() {
94 return key;
95 }
96
97 public void setKey(String key) {
98 this.key = key;
99 }
100
101 public String getDefaultValue() {
102 return defaultValue;
103 }
104
105 public void setDefaultValue(String defaultValue) {
106 this.defaultValue = defaultValue;
107 }
108
109 public String getExtra() {
110 return extra;
111 }
112
113 public void setExtra(String extra) {
114 this.extra = extra;
115 }
116
117 public Integer getDecase() {
118 return decase;
119 }
120
121 public void setDecase(Integer decase) {
122 this.decase = decase;
123 }
124
125 }/hibernate_reverse/src/com/b510/velocity/util/LoadProperties.java
1 /**
2 *
3 */
4 package com.b510.velocity.util;
5
6 import java.io.IOException;
7 import java.io.InputStream;
8 import java.util.Properties;
9
10 import org.apache.log4j.Logger;
11
12 /**
13 * @author Hongten
14 * @date 2013-4-9
15 */
16 public class LoadProperties {
17
18 Logger log = Logger.getLogger(LoadProperties.class);
19
20 private Properties prop = new Properties();
21
22 public LoadProperties(String propertiesName) {
23 prop = loadProperty(propertiesName);
24 }
25
26 /**
27 * 载入配置文件
28 *
29 * @return
30 */
31 public Properties loadProperty(String propertiesName) {
32 try {
33 if (propertiesName != null || !"".equals(propertiesName)) {
34 InputStream is = LoadProperties.class.getClassLoader().getResourceAsStream(propertiesName);
35 if (is == null) {
36 is = LoadProperties.class.getClassLoader().getResourceAsStream("/" + propertiesName);
37 }
38 prop.load(is);
39 is.close();
40 log.info("载入配置文件:[" + propertiesName + "]成功!");
41 }
42 } catch (IOException e) {
43 log.error("载入配置文件:[" + propertiesName + "]失败!");
44 e.printStackTrace();
45 }
46 return prop;
47 }
48
49 /**
50 * 根据key值，获取key对应的value
51 *
52 * @param key
53 * key值
54 * @param defaultv
55 * key对应的value
56 * @return
57 */
58 public String getValue(String key, String defaultv) {
59 return prop.getProperty(key, defaultv);
60 }
61
62 /**
63 * 根据key值，获取key对应的value
64 *
65 * @param key
66 * key值
67 * @return
68 */
69 public String getValue(String key) {
70 return prop.getProperty(key);
71 }
72
73 public static void main(String[] args) {
74 String proPath = "jdbc.cfg.properties";
75 LoadProperties loadProperties = new LoadProperties(proPath);
76 String value = loadProperties.getValue("ANNOTATION_AUTHOR_NAME");
77 System.out.println(value);
78 }
79
80 }/hibernate_reverse/src/com/b510/velocity/util/VelocityUtil.java
1 /**
2 *
3 */
4 package com.b510.velocity.util;
5
6 import java.io.File;
7 import java.io.FileWriter;
8 import java.io.StringWriter;
9 import java.text.SimpleDateFormat;
10 import java.util.Date;
11 import java.util.List;
12
13 import org.apache.log4j.Logger;
14 import org.apache.velocity.Template;
15 import org.apache.velocity.VelocityContext;
16 import org.apache.velocity.app.VelocityEngine;
17
18 /**
19 * 模板工具类，该类功能：<br>
20 * <li>generateBean()生成java的POJO类</li>
21 * <br>********************************************<br>
22 * <code>bean.cfg.properties</code>为数据库的配置信息，默认位置是在项目src目录下面<br>
23 * @author Hongten
24 * @date 2013-4-9
25 */
26 public class VelocityUtil {
27
28 Logger log = Logger.getLogger(VelocityUtil.class);
29
30 // 载入bean配置
31 // ===================================
32 private static final String BEAN_CFG_PROPERTIES = "bean.cfg.properties";
33 private static LoadProperties beanLoadProperties = new LoadProperties(BEAN_CFG_PROPERTIES);
34
35 // BEAN PROPERTIES
36 // ===================================
37 Bean bean = new Bean();
38 private static String BEAN_URL = beanLoadProperties.getValue("BEAN_URL");
39 private static String BEAN_PATH = BEAN_URL.replace(".", "/");
40
41 // ANNOTATION
42 // ====================================
43 private static Annotation annotation = new Annotation();
44
45 /**
46 * 读取配置文件，初始化信息
47 */
48 public VelocityUtil() {
49 beanLoadProperties = beanLoadProperties == null ? new LoadProperties(BEAN_CFG_PROPERTIES) : beanLoadProperties;
50 initAnnotation(beanLoadProperties);
51 }
52
53 /**
54 * 初始化注释信息
55 *
56 * @param beanLoadProperties
57 * 加载配置
58 */
59 protected void initAnnotation(LoadProperties beanLoadProperties) {
60 annotation.setAuthorName(beanLoadProperties.getValue("ANNOTATION_AUTHOR_NAME"));
61 annotation.setAuthorMail(beanLoadProperties.getValue("ANNOTATION_AUTHOR_MAIL"));
62 annotation.setVersion(beanLoadProperties.getValue("ANNOTATION_VERSION"));
63 SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
64 annotation.setDate(simpleDateFormat.format(new Date()));
65 }
66
67 /**
68 * 根据模板生成代码
69 *
70 * @param fileVMPath
71 * 模板路径
72 * @param bean
73 * 目标bean
74 * @param annotation
75 * 注释
76 * @param descTable
77 * 表描述
78 * @return
79 * @throws Exception
80 */
81 public String createCode(String fileVMPath, Bean bean, Annotation annotation, List<DescTableBean> descTable) throws Exception {
82 VelocityEngine velocityEngine = new VelocityEngine();
83 velocityEngine.setProperty("input.encoding", "UTF-8");
84 velocityEngine.setProperty("output.encoding", "UTF-8");
85 velocityEngine.init();
86 Template template = velocityEngine.getTemplate(fileVMPath);
87 VelocityContext velocityContext = new VelocityContext();
88 velocityContext.put("bean", bean);
89 velocityContext.put("annotation", annotation);
90 velocityContext.put("descTable", descTable);
91 StringWriter stringWriter = new StringWriter();
92 template.merge(velocityContext, stringWriter);
93 return stringWriter.toString();
94 }
95
96 /**
97 * 生成java bean文件
98 *
99 * @param tableName
100 * 表名称,这里会映射成bean的名称
101 * @param descTable
102 * 表描述
103 * @throws Exception
104 */
105 public void generateBean(String tableName, List<DescTableBean> descTable) throws Exception {
106 if (descTable != null) {
107 String path = System.getProperty("user.dir") + "/src/" + BEAN_PATH + "/";
108 File filePath = new File(path);
109 if (!filePath.exists()) {
110 filePath.mkdirs();
111 log.info("创建路径[" + path + "]成功!");
112 }
113 String fileName = path + handleTableName(tableName) + ".java";
114 File file = new File(fileName);
115 FileWriter fw = new FileWriter(file);
116
117 bean.setName(handleTableName(tableName));
118 bean.setBeanUrl(BEAN_URL);
119 bean.setLowerName(tableName);
120
121 fw.write(createCode(beanLoadProperties.getValue("BEAN_TEMPLATE_VM_PATH"), bean, annotation, descTable));
122 fw.flush();
123 fw.close();
124 }
125 }
126
127 /**
128 * 字符串处理
129 *
130 * @param tableName
131 * 需要被处理的字符串
132 * @return <li>
133 * <code>tableName = "expert_user_admin"; <br>return "ExpertUserAdmin";</code>
134 * </li> <li><code>tableName = "expert"; <br>return "Expert";</code>
135 * </li>
136 */
137 protected String handleTableName(String tableName) {
138 if (tableName.contains("_")) {
139 String[] array = tableName.split("_");
140 String temp = "";
141 for (String str : array) {
142 temp = temp + str.substring(0, 1).toUpperCase() + str.substring(1);
143 }
144 return temp;
145 } else {
146 return tableName.substring(0, 1).toUpperCase() + tableName.substring(1);
147 }
148 }
149
150 /*public static void main(String[] args) throws Exception{
151 VelocityUtil velocityUtil = new VelocityUtil();
152 DBUtil dbUtil = new DBUtil();
153 List<String> list = dbUtil.showTables();
154 for (String tableName : list) {
155 System.out.println(tableName);
156 List<DescTableBean> descTable = dbUtil.descTable(tableName);
157 velocityUtil.generateBean(tableName, descTable);
158 }
159 }*/
160
161 }/hibernate_reverse/src/vms/bean.vm
1 package ${bean.beanUrl};
2
3 import java.util.Date;
4 import java.math.BigDecimal;
5
6 import javax.persistence.Column;
7 import javax.persistence.Entity;
8 import javax.persistence.GeneratedValue;
9 import javax.persistence.Id;
10 import javax.persistence.Table;
11 import javax.persistence.Temporal;
12 import javax.persistence.TemporalType;
13
14 /**
15 * ${bean.name} 实体类
16 * @author <a href="mailto:$!{annotation.authorMail}">$!{annotation.authorName}</a>
17 * @date $!{annotation.date}
18 *
19 * @version $!{annotation.version}
20 *
21 */
22 @Entity
23 @Table(name = "${bean.lowerName}")
24 public class ${bean.name} {
25
26 #set($_int = "int")
27 #set($_varchar = "varchar")
28 #set($_datetime = "datetime")
29 #set($_decimal = "decimal")
30 #set($_tinyint = "tinyint")
31 #set($_longtext = "longtext")
32 ##foreach begin
33 ##################################################
34 #foreach ( $descTableBean in $descTable )
35 #set($type = $descTableBean.type)
36 ##处理int，转换为java.lang.Integer
37 ##################################################
38 #if($type == $_int)
39 private Integer ${descTableBean.field};
40 #end
41 ##处理varchar，转换为java.lang.String
42 ##################################################
43 #if($type == $_varchar)
44 private String ${descTableBean.field};
45 #end
46 ##处理datetime，转换为java.util.Date
47 ##################################################
48 #if($type == $_datetime)
49 private Date ${descTableBean.field};
50 #end
51 ##处理decimal，转换为java.math.BigDecimal
52 ##################################################
53 #if($type == $_decimal)
54 private BigDecimal ${descTableBean.field};
55 #end
56 ##处理longtext，转换为java.lang.String
57 ##################################################
58 #if($type == $_longtext)
59 private String ${descTableBean.field};
60 #end
61 ##处理tinyint，转换为int
62 ##################################################
63 #if($type == $_tinyint)
64 private int ${descTableBean.field};
65 #end
66 #end
67 }/hibernate_reverse/src/bean.cfg.properties
1 ######################################################### 2 ## the template files path 3 ######################################################### 4 #the bean template file path 5 BEAN_TEMPLATE_VM_PATH = src/vms/bean.vm 6 7 8 ######################################################### 9 ## the packages 10 ######################################################### 11 #the bean UniformResourceLocator 12 BEAN_URL = com.b510.core.bean 13 14 15 ######################################################### 16 ## the annotation information 17 ######################################################### 18 #the author's name in the annotation 19 ANNOTATION_AUTHOR_NAME = hongten 20 21 #the author's mail in the annotation 22 ANNOTATION_AUTHOR_MAIL = hongtenzone@foxmail.com 23 24 #the version of the program in the annotation 25 ANNOTATION_VERSION = 1.0
/hibernate_reverse/src/jdbc.cfg.properties
1 #jdbc driver 2 DB_DRIVER = com.mysql.jdbc.Driver 3 4 #database name 5 DB_NAME = mytest 6 7 #jdbc chartacter encoding 8 DB_CHARACTER_ENCODING = UTF-8 9 10 #jdbc database port 11 DB_PORT = 3306 12 13 #jdbc url eg:<code>jdbc:mysql://localhost:3306/sample?characterEncoding=UTF-8</code> 14 #DB_URL = jdbc:mysql://localhost:3306 15 16 #jdbc user name 17 DB_USER_NAME = root 18 19 #jdbc password 20 DB_PASSWORD = root
/hibernate_reverse/src/log4j.properties
1 log4j.appender.current=org.apache.log4j.ConsoleAppender
2 log4j.appender.current.Target=System.out
3 log4j.appender.current.layout=org.apache.log4j.PatternLayout
4 log4j.appender.current.layout.ConversionPattern=[apple] %d{yyyy-MM-dd HH:mm:ss,SSS} %5p %c:%L - %m%n
5
6 log4j.appender.hongten.log=org.apache.log4j.DailyRollingFileAppender
7 log4j.appender.hongten.log.File=E:\\log4j\\log4j-reverse
8 log4j.appender.hongten.log.DatePattern='_'yyyy-MM-dd'.log'
9 log4j.appender.hongten.log.layout=org.apache.log4j.PatternLayout
10 log4j.appender.hongten.log.layout.ConversionPattern=[apple] %d{yyyy-MM-dd HH:mm:ss,SSS} %5p %c:%L - %m%n
11
12 log4j.rootLogger=debug,current,hongten.log
13
14 log4j.logger.org.hibernate.type=error所需Jar包：
在“为大家提供一个完整的Hibernate Annotation项目_源码下载”中可以下载到hibernate相关jar文件；
在“利用Velocity自动生成自定义代码_java版_源码下载”中可以下载到velocity的相关jar文件；
源码下载：http://files.cnblogs.com/hongten/hibernate_reverse.rar
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