package?cn.hncu.login;

import?java.io.IOException;
import?java.io.PrintWriter;
import?java.util.Iterator;

import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

import?org.dom4j.Document;
import?org.dom4j.Element;

import?cn.hncu.login.Img.ImgDemo;
import?cn.hncu.login.factory.DocumentFactory;

public?class?Login?extends?HttpServlet?{

	public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{
		doPost（request?response）;
	}

	
	public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{
		
		request.setCharacterEncoding（“utf-8“）;//設置utf-8的編碼格式去接收
		response.setContentType（“text/html;charset=UTF-8“）;//設置頁面顯示方式，這個設置必須要在獲得輸出流之前設置，不然設置都沒有用，照樣會出現亂碼
		PrintWriter?out?=?response.getWriter（）;
		
		out.println（““）;
		out.println（““）;
		out.println（“??tle>A?Servlettle>“）;
		out.println（“?ta?http-equiv=‘content-type‘?content=‘text/html;?charset=UTF-8‘>?“）;
		out.println（“??“）;
		String?name=request.getParameter（“name“）;
		String?pwd=request.getParameter（“pwd“）;
		String?check=request.getParameter（“checkCode“）;//從界面獲得驗證碼輸入的值
		ImgDemo?id?=new?ImgDemo（）;
		String?str=id.getStr（）;
		if（!check.equals（str））{
			out.println（“登錄失敗，驗證碼不正確！！“）;//要是驗證碼不符合，直接返回登錄界面
			out.print（“返回登錄“）;
			return;
		}
//		System.out.println（“11“+check）;
//		System.out.println（“22“+str）;
		
		//登錄前獲得所有的對象
		Document?dom=DocumentFactory.getDocument（）;
		boolean?flag=false;
		Element?root=dom.getRootElement（）;
		Iterator?it=root.elementIterator（）;
		
		while（it.hasNext（））{
			Element?ele?=it.next（）;
			String?nameC=ele.attributeValue（“name“）;
			String?pwdC=ele.attributeValue（“pwd“）;
			if（name.trim（）.equals（nameC）&&pwdC.equals（pwdC））{
				flag=true;
				break;
			}
		}
		if（flag）{
			out.print（“恭喜您，登陸成功！“）;
			out.println（“返回登錄“）;
		}else{
			out.print（“用戶名和密碼不匹配。登錄失敗。。。“）;
			out.println（“返回登錄“）;
		}
		out.println（“??“）;
		out.println（““）;
		out.flush（）;
		out.close（）;
	}

}

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

?????文件????????591??2015-11-06?17:11??login\LOGIN\.classpath

?????文件????????288??2015-11-06?16:59??login\LOGIN\.mymetadata

?????文件???????1748??2015-11-06?23:12??login\LOGIN\.project

?????文件????????500??2015-11-06?16:59??login\LOGIN\.settings\.jsdtscope

?????文件????????395??2015-11-06?16:59??login\LOGIN\.settings\org.eclipse.jdt.core.prefs

?????文件????????453??2015-11-06?16:59??login\LOGIN\.settings\org.eclipse.wst.common.component

?????文件????????252??2015-11-06?16:59??login\LOGIN\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2015-11-06?16:59??login\LOGIN\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2015-11-06?16:59??login\LOGIN\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????1451??2015-11-07?19:37??login\LOGIN\src\cn\hncu\login\factory\DocumentFactory.java

?????文件???????1800??2015-11-07?18:41??login\LOGIN\src\cn\hncu\login\Img\ImgDemo.java

?????文件???????2703??2015-11-07?19:26??login\LOGIN\src\cn\hncu\login\Login.java

?????文件???????2181??2015-11-07?16:20??login\LOGIN\src\cn\hncu\login\RegDemo.java

?????文件?????313898??2015-11-06?17:11??login\LOGIN\src\lib\dom4j-1.6.1.jar

?????文件?????????57??2015-11-06?23:12??login\LOGIN\src\user.xml

?????文件???????1518??2015-11-07?19:49??login\LOGIN\WebRoot\index.jsp

?????文件????????870??2015-11-06?23:25??login\LOGIN\WebRoot\jsps\error.jsp

?????文件???????2261??2015-11-07?19:49??login\LOGIN\WebRoot\jsps\Reg.jsp

?????文件?????????36??2015-11-06?16:59??login\LOGIN\WebRoot\meta-INF\MANIFEST.MF

?????文件???????2224??2015-11-07?19:37??login\LOGIN\WebRoot\WEB-INF\classes\cn\hncu\login\factory\DocumentFactory.class

?????文件???????2495??2015-11-07?18:41??login\LOGIN\WebRoot\WEB-INF\classes\cn\hncu\login\Img\ImgDemo.class

?????文件???????3165??2015-11-07?19:26??login\LOGIN\WebRoot\WEB-INF\classes\cn\hncu\login\Login.class

?????文件???????2943??2015-11-07?16:20??login\LOGIN\WebRoot\WEB-INF\classes\cn\hncu\login\RegDemo.class

?????文件?????313898??2015-11-06?17:11??login\LOGIN\WebRoot\WEB-INF\classes\lib\dom4j-1.6.1.jar

?????文件?????????57??2015-11-06?23:12??login\LOGIN\WebRoot\WEB-INF\classes\user.xml

?????文件???????1171??2015-11-07?15:43??login\LOGIN\WebRoot\WEB-INF\web.xml

?????目錄??????????0??2015-11-07?20:07??login\LOGIN\WebRoot\WEB-INF\classes\cn\hncu\login\factory

?????目錄??????????0??2015-11-07?20:07??login\LOGIN\WebRoot\WEB-INF\classes\cn\hncu\login\Img

?????目錄??????????0??2015-11-07?20:07??login\LOGIN\WebRoot\WEB-INF\classes\cn\hncu\login

?????目錄??????????0??2015-11-07?20:07??login\LOGIN\src\cn\hncu\login\factory

............此處省略22個文件信息