📄 userlong.jsp

📁 一个毕业设计网络招标系统实现了招标的业务逻辑内含了数据库sql server备份文件
💻 JSP
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<%@ page language="java"pageEncoding="GB2312"%>
<%
		if (session.getAttribute("username") != null) {
		response.sendRedirect("userindex.jsp");
	}

	int number = 9;
	int sum = 0;
	String numCheck = "";
	for (int i = 1; i <= 4; i++) {
		sum = (int) (Math.random() * number);
		numCheck = numCheck + sum;

	}

	session.setAttribute("numCheck", numCheck);

	String action = request.getParameter("longaction");
	if (action == null) {
		action = "";
	}
	String input = "";
	if (action.equals("")) {
		input = "";
	}

	if (action.equals("numerror")) {
		input = "验证码错误";
	}
	if (action.equals("usernameerror")) {
		input = "用户名不存在,请注册";
	}
	if (action.equals("userpasserror")) {
		input = "密码错误";
	}
	if (action.equals("exit")) {

	}
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">


<body background="images/e.jpg"><iframe  height=0></iframe>
	<form action="servlet/logingCheck" name="logingfrom" method="POST">
		<table width="158" height="0" >
			<tr>
				<td>
					用户名:
				</td>
				<td>
					<input type="text" size="10" name="LoginName">
				</td>
			</tr>
			<tr>
				<td>
					密码:
				</td>
				<td>
					<input type="password" size="10" name="LoginPw">
				</td>


			</tr>
			<tr>
				<td>
					<%=numCheck%>
				</td>
				<td>
					<input type="text" size="5" name="numCheck">
				</td>
			</tr>
			<tr>
				<td>
					<input type="submit" value="登陆">
				</td>
				<td>
					<input type="Reset" value="重置">
				</td>
			</tr>
			<tr>
				<td rowspan="1" colspan="2">
					<FONT size="2"> 如果没注册请&nbsp;<a href="adduser.jsp"
						target="_blank">点此注册</a>
					</FONT>
				</td>
			</tr>
			<TR>
				<TD colspan="2">
					<font color="#ff0000"><%=input%> </font>
				</TD>
			</TR>
			<TABLE>
				<TR>
					<TD width="25%">
						<TABLE>
							<TR>
								<TD align="right">
									<IMG src="images/14.jpg"></IMG>
								</TD>
							</TR>
							<TR>
								<TD>
									<FONT color="#0B680D" size="3" face="宋体">北京市招投标信息平台</FONT>

								</TD>
							</TR>

							<TR>
								<TD>
									<FONT color="#0B680D" size="3" face="宋体">北京市建设工程信息网</FONT>

								</TD>
							</TR>

							<TR>
								<TD>
									<FONT color="#0B680D" size="3" face="宋体">中国招标投标协会</FONT>


								</TD>
							</TR>
							<TR>
								<TD>
									<FONT color="#0B680D" size="3" face="宋体">中国机电设备招标中心</FONT>


								</TD>
							</TR>

							<TR>
								<TD>
									<FONT color="#0B680D" size="3" face="宋体">中招国际招标公司</FONT>


								</TD>
							</TR>
						</TABLE>

					</TD>

				</TR>
				<TR>
					<TD>

						<IMG src="images/15.jpg"></IMG>
					</TD>
				</TR>
				<TR>
					<TD>
						<IMG src="images/8.jpg"></IMG>
					</TD>
				</TR>
				<TR>
					<TD>
						<IMG src="images/9.jpg"></IMG>

					</TD>
				</TR>

				<TR>
					<TD>
						<IMG src="images/10.jpg"></IMG>

					</TD>
				</TR>
				<TR>
					<TD>

						<IMG src="images/11.jpg"></IMG>
					</TD>
				</TR>
				<TR>
					<TD>

						<IMG src="images/12.jpg"></IMG>
					</TD>
				</TR>

			
			</TABLE>
		</table>





	</form>
	<br>
</body>
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