📄 login_jsp.java
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package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import sei.*;
import java.sql.*;
public final class login_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static java.util.List _jspx_dependants;
public Object getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html;charset=gb2312");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write("\r\n");
out.write("\r\n");
out.write("\r\n");
if(session.getAttribute("UserID")!=null)session.removeAttribute("UserID");
String Type=request.getParameter("Type");if(Type==null)Type="";
out.write("\r\n");
out.write("<html><head><title>登录</title>\r\n");
out.write("</head>\r\n");
if(Type.equals("Submit")){
SqlBean db=new SqlBean();
try{
String UserName="";
String UserID=(String)request.getParameter("UserID");if(UserID==null)UserID="";
String Password=(String)request.getParameter("Password");if(Password==null)Password="";
String sql="select USER_ID,USER_NAME,USER_PWD,USER_IP from T_USER where USER_ID='"+UserID+"' and USER_PWD='"+Password+"'";
ResultSet rs=db.executeQuery(sql);
if(rs.next()){
session.setAttribute("UserID",UserID);
out.print("<SCRIPT>window.location.href='index.jsp?UserName="+UserName+"';</SCRIPT>");
}else{
out.print("<script>alert('用户名或密码不对,请重新输入！');</script>");
}
}catch(Exception e){out.print("<script>alert('对不起，登录错误！');</script>");}
finally{db.CloseDataBase();}
}
out.write("\r\n");
out.write("<body onload=\"myform.UserID.focus();\">\r\n");
out.write("<form action=\"login.jsp?Type=Submit\" METHOD=\"POST\" name=\"myform\">\r\n");
out.write("\r\n");
out.write("\t<table border=\"0\" cellspacing=\"0\" cellpadding=\"6\" id=\"table1\">\r\n");
out.write(" <tr>\r\n");
out.write(" <td><font color=\"#000000\" style=\"font-size: 9pt\">用户名</font></td>\r\n");
out.write(" <td><input type=\"text\" name=\"UserID\" class=input value=\"\" style=\"width:120\"></td>\r\n");
out.write(" </tr>\r\n");
out.write(" \r\n");
out.write(" <tr>\r\n");
out.write(" <td><font color=\"#000000\" style=\"font-size: 9pt\">密 码</font></td>\r\n");
out.write(" <td><input type=\"password\" name=\"Password\" class=input value=\"\" style=\"width:120\"></td>\r\n");
out.write(" </tr>\r\n");
out.write(" \r\n");
out.write(" <tr>\r\n");
out.write(" <td> </td>\r\n");
out.write(" <td align=\"center\"> <input name=\"loginit1\" type=\"image\" src=\"images/button.gif\" >\r\n");
out.write(" </td>\r\n");
out.write(" </tr>\r\n");
out.write(" \r\n");
out.write(" </table>\r\n");
out.write(" \r\n");
out.write(" \r\n");
out.write(" \r\n");
out.write("</form>\r\n");
out.write("</body>\r\n");
out.write("</body>\r\n");
out.write("</html>");
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
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