package?com.dzq.dao;


import?java.util.*;

import?org.dom4j.Document;
import?org.dom4j.DocumentHelper;
import?org.dom4j.Element;
import?org.dom4j.io.SAXReader;

import?com.dzq.domian.User;
import?com.dzq.util.xmlDaoUtils;

public?class?xmlUserDao?{
	/**
	?*?根據用戶名查找用戶
	?*?@param?username?用戶名
	?*?@return?根據用戶名找到的用戶信息，如果沒找到，返回null
	?*/
public?User?findUserByUserName（String?username）{
	Document?dom=xmlDaoUtils.getDom（）;
	Element?root=dom.getRootElement（）;
	List?list=root.selectNodes（“//user[@username=‘“+username+“‘]“）;
	if（list.size（）>0）{
		Element?userEle=list.get（0）;
		User?user=new?User（）;
		user.setUsername（userEle.attributeValue（“username“））;
		user.setPassword（userEle.attributeValue（“password“））;
		user.setNickname（userEle.attributeValue（“nickname“））;
		user.setEmail（userEle.attributeValue（“email“））;
		return?user;
	}else{
		return?null;
	}
}
/**
?*?添加用戶
?*?@param?user?要添加用戶信息的bean
?*/
public?void?addUser（User?user）{
	Document?dom=xmlDaoUtils.getDom（）;
	Element?root=dom.getRootElement（）;
	
	Element?userEle=DocumentHelper.createElement（“user“）;
	userEle.setAttributeValue（“username“?user.getUsername（））;
	userEle.setAttributeValue（“password“?user.getPassword（））;
	userEle.setAttributeValue（“nickname“?user.getNickname（））;
	userEle.setAttributeValue（“email“?user.getEmail（））;
	root.add（userEle）;
	xmlDaoUtils.refxml（）;
}

/**
?*?根據用戶名密碼查找用戶信息
?*?@param?username?用戶名
?*?@param?password?密碼
?*?@return?找到的用戶，找不到返回null?
?*/
public?User?findUserByUNAndPWD（String?usernameString?password）{
	
	Document?dom=xmlDaoUtils.getDom（）;
	Element?root=dom.getRootElement（）;
	List?list=root.selectNodes（“//user[@username=‘“+username+“‘and?@password=‘“+password+“‘]“）;
	if（list.size（）>0）{
		Element?userEle=list.get（0）;
		User?user=new?User（）;
		user.setUsername（userEle.attributeValue（“username“））;
		user.setPassword（userEle.attributeValue（“password“））;
		user.setNickname（userEle.attributeValue（“nickname“））;
		user.setEmail（userEle.attributeValue（“email“））;
		return?user;
	}else{
		return?null;
	}
	
}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????805??2016-04-02?20:32??20160402\.classpath

?????文件???????1041??2016-04-02?18:42??20160402\.project

?????文件????????503??2016-04-02?18:42??20160402\.settings\.jsdtscope

?????文件????????364??2016-04-02?18:42??20160402\.settings\org.eclipse.jdt.core.prefs

?????文件????????476??2016-04-02?18:42??20160402\.settings\org.eclipse.wst.common.component

?????文件????????305??2016-04-02?18:42??20160402\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2016-04-02?18:42??20160402\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2016-04-02?18:42??20160402\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????2704??2016-04-03?15:23??20160402\build\classes\com\dzq\dao\xmlUserDao.class

?????文件???????2459??2016-04-03?16:51??20160402\build\classes\com\dzq\domian\User.class

?????文件????????441??2016-04-03?17:27??20160402\build\classes\com\dzq\exception\MsgException.class

?????文件???????1118??2016-04-03?15:23??20160402\build\classes\com\dzq\service\UserService.class

?????文件???????1179??2016-04-03?20:57??20160402\build\classes\com\dzq\tag\URLDEcoderTag.class

?????文件???????1514??2016-04-03?15:23??20160402\build\classes\com\dzq\test\xmlUserDaoTest.class

?????文件???????1666??2016-04-03?15:23??20160402\build\classes\com\dzq\util\xmlDaoUtils.class

?????文件???????3112??2016-04-03?21:08??20160402\build\classes\com\dzq\web\LoginServlet.class

?????文件???????1720??2016-04-03?17:21??20160402\build\classes\com\dzq\web\LogOutServlet.class

?????文件???????3355??2016-04-03?17:16??20160402\build\classes\com\dzq\web\RegistServlet.class

?????文件???????5328??2016-04-03?16:10??20160402\build\classes\com\dzq\web\ValiImg.class

?????文件??????????0??2016-04-02?19:12??20160402\build\classes\config.properties

?????文件????????143??2016-04-02?19:11??20160402\build\classes\users.xml

?????文件???????2182??2016-04-02?20:12??20160402\src\com\dzq\dao\xmlUserDao.java

?????文件???????1831??2016-04-03?16:51??20160402\src\com\dzq\domian\User.java

?????文件????????162??2016-04-03?17:27??20160402\src\com\dzq\exception\MsgException.java

?????文件????????665??2016-04-03?15:19??20160402\src\com\dzq\service\UserService.java

?????文件????????617??2016-04-03?20:57??20160402\src\com\dzq\tag\URLDEcoderTag.java

?????文件????????744??2016-04-03?15:00??20160402\src\com\dzq\test\xmlUserDaoTest.java

?????文件???????1051??2016-04-02?20:11??20160402\src\com\dzq\util\xmlDaoUtils.java

?????文件???????1858??2016-04-03?21:08??20160402\src\com\dzq\web\LoginServlet.java

?????文件????????911??2016-04-03?17:21??20160402\src\com\dzq\web\LogOutServlet.java

............此處省略49個文件信息