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  • 語言: Java
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資源簡介

實現(xiàn)JSP用戶名 密碼 驗證碼驗證登陸

資源截圖

代碼片段和文件信息

package?cn.com.test;

import?iit.jsp.DB.DBHelper;

import?java.io.IOException;

import?java.sql.SQLException;
import?java.util.List;

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


import?org.apache.commons.dbutils.QueryRunner;
import?org.apache.commons.dbutils.handlers.BeanListHandler;

public?class?StudentLoginServlet?extends?HttpServlet?{

private?static?final?long?serialVersionUID?=?-7672282350196270212L;

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

public?void?doPost(HttpServletRequest?request?HttpServletResponse?response)
throws?ServletException?IOException?{
String?input?=?request.getParameter(“rand“);
HttpSession?session?=?request.getSession();
String?rand?=?(String)?session.getAttribute(“rand“);
if?(rand.equals(input))?{
request.setCharacterEncoding(“UTF-8“);
String?username?=?request.getParameter(“username“);
String?password?=?request.getParameter(“password“);

String?sql?=?“select?suseridsusernamepasswordusercheck?from?student?where?susername=‘“
+?username?+?“‘?and?password=‘“?+?password?+?“‘“;
List?list?=?null;
Student?student?=?null;
QueryRunner?qr?=?DBHelper.getQueryRunner();

try?{
//?調(diào)用它的update方法,完成SQL的運行,update方法可用的操作:增、刪、改
list?=?(List)?qr.query(sql?new?BeanListHandler(Student.class));
}?catch?(SQLException?e)?{
e.printStackTrace();
}

if?(list.size()?>?0)?{
student?=?(Student)?list.get(0);
session.setAttribute(“student“?student);
if?(student.getUsercheck().equals(“已審核“))?{
request.getRequestDispatcher(“/student/index.html“)
.forward(request?response);
}?else?{
request.setAttribute(“message“?“賬戶正在審核,敬請等候?qū)徍送ㄟ^!“);
request.getRequestDispatcher(“/student/loginresult.jsp“)
.forward(request?response);
}
}?else?{

request.setAttribute(“message“?“用戶名或者密碼不正確!“);
request.getRequestDispatcher(“/student/loginresult.jsp“)
.forward(request?response);
}

}?else?{

request.setAttribute(“message“?“驗證碼錯誤,請重新輸入!“);
request.getRequestDispatcher(“/student/loginresult.jsp“).forward(
request?response);

}

}
}

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

?????文件????????253??2008-06-04?18:48??images\!.gif

?????文件???????1705??2008-06-04?18:48??images\ad.gif

?????文件????????606??2008-06-04?18:48??images\add.gif

?????文件????????213??2008-06-04?18:48??images\back.gif

?????文件?????????73??2008-06-04?18:48??images\bg.gif

?????文件??????26509??2008-06-04?18:48??images\bigsize.jpg

?????文件??????18679??2008-06-04?18:48??images\bootnbg.jpg

?????文件????????179??2008-06-04?18:48??images\bullet.gif

?????文件????????600??2008-06-04?18:48??images\buttom-copy-bg.gif

?????文件???????1813??2008-06-04?18:48??images\buttom-left.gif

?????文件???????2530??2008-06-04?18:48??images\buttom-right.gif

?????文件????????225??2008-06-04?18:48??images\buttom_bgs.gif

?????文件????????353??2008-06-04?18:48??images\buttom_left2.gif

?????文件????????383??2008-06-04?18:48??images\buttom_right2.gif

?????文件???????2001??2008-06-04?18:48??images\card.jpg

?????文件????????350??2008-06-04?18:48??images\check-out_.gif

?????文件????????502??2008-06-04?18:48??images\close.gif

?????文件????????164??2008-06-04?18:48??images\content-bg-line.gif

?????文件????????257??2008-06-04?18:48??images\content-bg.gif

?????文件????????379??2008-06-04?18:48??images\database_import_.gif

?????文件???????1892??2008-06-04?18:48??images\DefaultDocs.gif

?????文件???????1633??2008-06-04?18:48??images\defind.gif

?????文件??????24832??2008-06-04?18:48??images\del.jpg

?????文件????????618??2008-06-04?18:48??images\delete.gif

?????文件????????617??2008-06-04?18:48??images\delete_6.gif

?????文件????????624??2008-06-04?18:48??images\edit.gif

?????文件???????2222??2008-06-04?18:48??images\ershou_1.gif

?????文件???????2204??2008-06-04?18:48??images\ershou_2.gif

?????文件????????610??2008-06-04?18:48??images\format.gif

?????文件???????6986??2008-06-04?18:48??images\fox.css

............此處省略116個文件信息

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