📄 proc_login.jsp
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<%@ page contentType="text/html; charset=gb2312" %>
<%@ page import="beitian.db.*,java.sql.*"%>
<%@ page import="java.util.*"%>
<%@ page import="java.lang.*"%>
<%@ page import="com.chncup.commen.Log"%>
<%@ page import="com.chncup.commen.MD5"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title></title>
</head>
<%
String VERIFYCODE = request.getParameter("VERIFYCODE");
String snm=String.valueOf(session.getAttribute("RANDOMCODE"));
if (!VERIFYCODE.equals(snm)) {
%>
<script language="javascript">
alert("验证码输入有误！");
history.back();
</script>
<%
return;
}
//获取表单传来的用户信息数据
String user_id = (request.getParameter("USERNAME")==null) ? "" : request.getParameter("USERNAME");
String PASSWORD = (request.getParameter("PASSWORD")==null) ? "" : request.getParameter("PASSWORD");
//PASSWORD = "L7"+PASSWORD+"l8";
String MD5_password=com.chncup.commen.MD5.MD5(PASSWORD);
/*String MD5_password="";
if (PASSWORD.equals("chncup_7")) {
MD5_password= "6f4f5ce21a6d334f9c30fdebd8daa968";
}
*/
//out.println("USERNAME = "+USERNAME);
//out.println("PASSWORD = "+PASSWORD);
//out.println("MD5_PASSWORD = "+MD5_password);
String url="index.jsp";
String sql = "select user_id,password from web_user where user_id='"+user_id+"' and password='"+MD5_password+"'";
DBOperation theDBOperation = new DBOperation();
try {
ResultSet rs=theDBOperation.getResultSet(sql);
if(rs.next() & rs.getString("password").equals(MD5_password))
{
session.setAttribute("user_id",user_id);
session.setAttribute("denglu_ok","denglu_ok");
} else
url="login.jsp";
}
catch (Exception ex) {
//message = "操作失败!";
//System.out.println("登录日志失败:" + ex.toString());
com.chncup.commen.Log.getLogger().error("登录日志失败:" + ex.getMessage()+" sSQL = " + sql);
}
String ipaddress=request.getRemoteAddr();
sql = "insert into user_login(user_id,ip_address) values('"+user_id+"','"+ipaddress+"')";
try {
int i=theDBOperation.executeSql(sql);
}
catch (Exception ex) {
// System.out.println("记录登录日志失败:" + ex.toString());
com.chncup.commen.Log.getLogger().error("记录登录日志失败:" + ex.getMessage() +" sSQL= "+ sql);
ex.printStackTrace();
}
response.sendRedirect(url);
%>
<body>
</body>
</html>⌨️ 快捷键说明
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