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  • 大小: 889KB
    文件類型: .zip
    金幣: 2
    下載: 0 次
    發(fā)布日期: 2021-06-02
  • 語言: Java
  • 標(biāo)簽: j2ee??servlet??jsp??mysql??

資源簡介

在登錄頁面中輸入正確的用戶名、密碼、確認(rèn)密碼則可以正常登錄，并自動跳轉(zhuǎn)到歡迎頁面，并且在歡迎頁面中顯示當(dāng)前所有已經(jīng)登錄的用戶名列表。 數(shù)據(jù)庫中用戶名唯一。登錄錯誤則自動跳轉(zhuǎn)回到登錄頁面，并在登錄頁面中提示"登錄錯誤"。 數(shù)據(jù)庫字段有用戶信息，內(nèi)容為Maven工程、數(shù)據(jù)庫腳本文件(logindb.sql)以及針對本程序的使用說明簡述(readme.txt)。

資源截圖

代碼片段和文件信息 

package?edu.tjut;


import?java.io.IOException;
import?javax.servlet.ServletException;
import?javax.servlet.annotation.WebServlet;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

@WebServlet（“/LoginServlet“）
public?class?LoginServlet?extends?HttpServlet?{
	private?static?final?long?serialVersionUID?=?1L;

	protected?void?doGet（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{
		request.setCharacterEncoding（“utf-8“）;

		String?name?=?request.getParameter（“uname“）;
		String?pwd?=?request.getParameter（“upwd“）;
		String?pwdACK?=?request.getParameter（“upwdACK“）;
		if（!pwd.equals（pwdACK））?{
			request.setAttribute（“error“?“NCKError“）;
			request.getRequestDispatcher（“l(fā)ogin.jsp“）.forward（request?response）;
		}else?{
			User?user?=?new?User（name?pwd）;
			System.out.println（user）;
			UserDao?userDao?=?new?UserDao（）;
			boolean?result?=?userDao.queryUser（user）;
			
			
			if（result）?{
				request.setAttribute（“error“?“noQueryError“）;
				request.getRequestDispatcher（“queryAllUserServlet“）.forward（request?response）;
			}else?{
				request.setAttribute（“error“?“QueryError“）;
				request.getRequestDispatcher（“l(fā)ogin.jsp“）.forward（request?response）;
			}
		}
		
	}

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

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-07-10?17:24??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\
?????文件????????1212??2019-05-10?14:56??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.classpath
?????文件????????1084??2019-05-10?14:56??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.project
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.settings\
?????文件?????????567??2019-04-18?23:03??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.settings\.jsdtscope
?????文件?????????478??2019-05-10?14:56??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.settings\org.eclipse.jdt.core.prefs
?????文件??????????90??2019-05-10?14:56??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.settings\org.eclipse.m2e.core.prefs
?????文件?????????575??2019-05-10?14:56??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.settings\org.eclipse.wst.common.component
?????文件?????????345??2019-04-18?23:03??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2019-04-18?23:03??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2019-04-18?23:03??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件??????????50??2019-05-10?14:56??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\.settings\org.eclipse.wst.validation.prefs
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\WebContent\
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\WebContent\meta-INF\
?????文件??????????39??2019-04-18?23:03??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\WebContent\meta-INF\MANIFEST.MF
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\WebContent\WEB-INF\
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\WebContent\WEB-INF\lib\
?????文件??????848401??2019-04-16?01:37??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\WebContent\WEB-INF\lib\mysql-connector-java-5.1.25-bin.jar
?????文件?????????653??2019-05-10?14:58??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\WebContent\WEB-INF\web.xml
?????文件????????1017??2019-05-10?14:59??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\WebContent\login.jsp
?????文件?????????663??2019-04-24?08:53??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\WebContent\usersInfo.jsp
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\build\
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\build\classes\
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\build\classes\edu\
?????目錄???????????0??2019-07-10?17:23??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\build\classes\edu\tjut\
?????文件????????2340??2019-04-26?23:14??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\build\classes\edu\tjut\LoginServlet.class
?????文件????????2163??2019-04-26?23:14??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\build\classes\edu\tjut\RegisterServlet.class
?????文件????????1177??2019-04-26?23:14??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\build\classes\edu\tjut\User.class
?????文件????????7044??2019-05-10?14:54??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\build\classes\edu\tjut\UserDao.class
?????文件????????1683??2019-04-26?23:14??j2ee實(shí)驗(yàn)-實(shí)現(xiàn)用戶登錄功能-servlet+jsp+mysql\UserDemo\build\classes\edu\tjut\queryAllUserServlet.class
............此處省略29個文件信息

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