使用XDoclet反向生成hibernate映射文件和DDL

1 在编写vo文件时候在类和字段的注释上添加xdoclet使用的信息

import java.util.Calendar;
import java.util.Set;
import java.io.Serializable;
/**
 * @author Chenhui
 * @hibernate.class table="TB_User"
 */
public class User implements Serializable {

	private static final long serialVersionUID = -4208021481713010569L;
	private Long userID;
	private Organization organization;//机构
	private Organization department;//部门
	private String userSN;
	private String loginName;
	private String password;
	private String userName;
	private String email;
	private int sex;
	private String address;
	private Calendar birthday;
	private String postalCode;
	private String mobilePhone;
	private String QQ;
	private String MSN;
	private int status;
	private Set groups;
	private Set privileges;
		
	public static final int STATUS_USABLE=1;// ok to use
	public static final int STATUS_UNABLE=2;// deleted	
	public static final int SEX_MALE=1;
	public static final int SEX_FEMALE=2;
	
	public User(){}
	public User(long uid){this.userID=uid;}
	/**
	 * @return the userID
	 * @hibernate.id column="UserID" generator-class="increment" unsaved-value="null"
	 */
	public Long getUserID() {
		return userID;
	}

	/**
	 * @param userID the userID to set
	 */
	public void setUserID(Long userID) {
		this.userID = userID;
	}

	/**
	 * @return the userSN
	 * @hibernate.property column="UserSN" length="10" non-null="true" unique="true"
	 */
	public String getUserSN() {
		return userSN;
	}

	/**
	 * @param userSN the userSN to set
	 */
	public void setUserSN(String userSN) {
		this.userSN = userSN;
	}

	/**
	 * @return the loginName
	 * @hibernate.property column="LoginName" length="20" non-null="true" unique="true"
	 */
	public String getLoginName() {
		return loginName;
	}

	/**
	 * @param loginName the loginName to set
	 */
	public void setLoginName(String loginName) {
		this.loginName = loginName;
	}

	/**
	 * @return the password
	 * @hibernate.property column="Password" length="20" non-null="true" unique="false"
	 */
	public String getPassword() {
		return password;
	}

	/**
	 * @param password the password to set
	 */
	public void setPassword(String password) {
		this.password = password;
	}

	/**
	 * @return the userName
	 * @hibernate.property column="UserName" length="20" non-null="false" unique="false"
	 */
	public String getUserName() {
		return userName;
	}

	/**
	 * @param userName the userName to set
	 */
	public void setUserName(String userName) {
		this.userName = userName;
	}

	/**
	 * @return the sex
	 * @hibernate.property column="Sex"
	 */
	public int getSex() {
		return sex;
	}

	/**
	 * @param sex the sex to set
	 */
	public void setSex(int sex) {
		this.sex = sex;
	}

	/**
	 * @return the email
	 * @hibernate.property column="Email" length="40" non-null="false" unique="false"
	 */
	public String getEmail() {
		return email;
	}

	/**
	 * @param email the email to set
	 */
	public void setEmail(String email) {
		this.email = email;
	}

	/**
	 * @return the address
	 * @hibernate.property column="Address" length="80" non-null="false" unique="false"
	 */
	public String getAddress() {
		return address;
	}

	/**
	 * @param address the address to set
	 */
	public void setAddress(String address) {
		this.address = address;
	}

	/**
	 * @return the birthday
	 * @hibernate.property column="Birthday"
	 */
	public Calendar getBirthday() {
		return birthday;
	}

	/**
	 * @param birthday the birthday to set
	 */
	public void setBirthday(Calendar birthday) {
		this.birthday = birthday;
	}

	/**
	 * @return the postalCode
	 * @hibernate.property column="PostalCode" length="10" non-null="false" unique="false"
	 */
	public String getPostalCode() {
		return postalCode;
	}

	/**
	 * @param postalCode the postalCode to set
	 */
	public void setPostalCode(String postalCode) {
		this.postalCode = postalCode;
	}

	/**
	 * @return the mobilePhone
	 * @hibernate.property column="MobilePhone" length="20" non-null="false" unique="false"
	 */
	public String getMobilePhone() {
		return mobilePhone;
	}

	/**
	 * @param mobilePhone the mobilePhone to set
	 */
	public void setMobilePhone(String mobilePhone) {
		this.mobilePhone = mobilePhone;
	}

	/**
	 * @return the qQ
	 * @hibernate.property column="QQ" length="20" non-null="false" unique="false"
	 */
	public String getQQ() {
		return QQ;
	}

	/**
	 * @param qq the qQ to set
	 */
	public void setQQ(String qq) {
		QQ = qq;
	}

	/**
	 * @return the mSN
	 * @hibernate.property column="MSN" length="40" non-null="false" unique="false"
	 */
	public String getMSN() {
		return MSN;
	}

	/**
	 * @param msn the mSN to set
	 */
	public void setMSN(String msn) {
		MSN = msn;
	}

	/**
	 * @return the status
	 * @hibernate.property column="Status"
	 */
	public int getStatus() {
		return status;
	}

	/**
	 * @param status the status to set
	 */
	public void setStatus(int status) {
		this.status = status;
	}

	/**
	 * @return the organization
	 * @hibernate.many-to-one column="OrganizationID" non-null="false" lazy="true"
	 */
	public Organization getOrganization() {
		return organization;
	}

	/**
	 * @param organization the organization to set
	 */
	public void setOrganization(Organization organization) {
		this.organization = organization;
	}

	/**
	 * @return the department
	 * @hibernate.many-to-one column="DepartmentID" non-null="false" lazy="true"
	 */
	public Organization getDepartment() {
		return department;
	}

	/**
	 * @param department the department to set
	 */
	public void setDepartment(Organization department) {
		this.department = department;
	}

	/**
	 * @return the groups
	 * Group来管理关联关系,默认不抓取
	 * @hibernate.set table="TB_UserGroup" cascade="none" inverse="true" lazy="true" 
	 * @hibernate.collection-key column="UserID"
	 * @hibernate.collection-many-to-many column="GroupID" 
     *  class="com.sst.framework.administration.vo.Group" 
	 */
	public Set getGroups() {
		return groups;
	}

	/**
	 * @param groups the groups to set
	 */
	public void setGroups(Set groups) {
		this.groups = groups;
	}

	/**
	 * @return the privileges
	 * User来管理关联关系,默认不抓取
	 * @hibernate.set table="TB_UserPrivilege" cascade="all" inverse="false" lazy="true" 
	 * @hibernate.collection-key column="UserID"
	 * @hibernate.collection-many-to-many column="PrivilegeID" 
     *  class="com.sst.framework.administration.vo.Privilege" 
	 */
	public Set getPrivileges() {
		return privileges;
	}

	/**
	 * @param privileges the privileges to set
	 */
	public void setPrivileges(Set privileges) {
		this.privileges = privileges;
	}
}

 2 编写ant配置文件

    注意，hibernate的配置文件不须再包含映射文件，否则会出现重复错误

<?xml version="1.0"?>

<project name="administration" default="hibernate" basedir=".">
	<property name="admin.db"			 value="mysql"/>
	<property name="admin.home"		     value="${basedir}"/>
	<property name="admin.lib"		     value="${admin.home}/lib"/>
	<property name="build.classes"		 value="${admin.home}/WebRoot/WEB-INF/classes"/>
	<property name="hibernate.cfg"		 value="${admin.home}/Docs/hibernate_${admin.db}.cfg.xml"/>	
	
    <path id="myclasspath">
    	<fileset dir="${admin.lib}/hibernate3.2.6" includes="**/*.jar"/>
    	<fileset dir="${admin.lib}/xdoclet1.2.3" includes="**/*.jar"/>
    	<fileset dir="${admin.home}/lib" includes="**/*.jar" />  	
    	<pathelement path="WebRoot/WEB-INF/classes"/>
    </path>
	<!-- ================================================================== -->
	<!-- == generate Hibernate mappings                                     -->
	<!-- ================================================================== -->	
     <taskdef
        name="hibernatedoclet"
        classname="xdoclet.modules.hibernate.HibernateDocletTask"
        classpathref="myclasspath"
        />
    <target name="hibernate" description="Generate mapping documents">

        <echo>+---------------------------------------------------+</echo>
        <echo>|                                                   |</echo>
        <echo>| R U N N I N G   H I B E R N A T E D O C L E T     |</echo>
        <echo>|                                                   |</echo>
        <echo>+---------------------------------------------------+</echo>

        <hibernatedoclet
            destdir="${admin.home}/src"
            excludedtags="@version,@author,@todo,@see"
            addedtags="@xdoclet-generated at ${TODAY},@copyright The XDoclet Team,@author XDoclet,@version ${version}"
            force="false"
            verbose="true">

            <fileset dir="${admin.home}/src">
				<exclude name="com/vo/BaseObject.java" />
				<include name="com/vo/*.java" />
            </fileset>

        	<hibernate validatexml="true" version="3.0"/>

        </hibernatedoclet>
    </target>
	<!-- ================================================================== -->
	<!-- == generate DDL with hibernate tools                               -->
	<!-- ================================================================== -->
	<target name="gen-ddl" description="Hibernate Tools generate DDL">
		<taskdef
		    name="hibernatetool"
		    classname="org.hibernate.tool.ant.HibernateToolTask"
	        classpathref="myclasspath" />

		<!-- generate database DDL -->
		<hibernatetool destdir="${admin.home}/metadata/database">
			<classpath>
				<path location="${admin.home}/webapp/WEB-INF/classes"/>
			</classpath>
			<configuration configurationfile="${hibernate.cfg}" >
				<fileset dir="${admin.home}/src/com/vo">
					<include name="**/*.hbm.xml"/>
				</fileset>
			</configuration>
			<hbm2ddl export="false" delimiter=";" format="true" outputfilename="schema_${admin.db}.sql"/>
		</hibernatetool>
	</target>	
	
</project>

 3 运行ant编译生成hbm文件和DDL，注意运行顺序