Home > Developer > SQL Server

JSP User Logon (JavaBean SQL Server database operation) (Tomcat server)

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞
My Bean
Package dB;
Import java. SQL .*;
Import java. Io .*;
Import java. util .*;
Public class dbconn {
String sdbdriver = "com. Microsoft. JDBC. sqlserver. sqlserverdriver ";
String url = "JDBC: Microsoft: sqlserver: // localhost: 1433; databasename = disc ";
String user = "sa ";
String Password = "20263588 ";
Statement stmt = NULL;
Connection conn = NULL;
Resultset rs = NULL;
Public dbconn (){
Try {
Class. forname (sdbdriver). newinstance ();
System. Out. println ("database driver loaded successfully ");
}
Catch (exception E)
{
E. printstacktrace ();
}

}
Public resultset executequery (string SQL ){
Try {
Conn = drivermanager. getconnection (URL, user, password );
Statement stmt = conn. createstatement (resultset. type_scroll_sensitive, resultset. concur_updatable );
System. Out. Print ("database connected successfully ");
Rs1_stmt.exe cutequery (SQL );
}
Catch (sqlexception ex ){
System. Err. println (ex. getmessage ());
}
Return Rs;
}
Public void executeupdate (string SQL ){
Stmt = NULL;
Rs = NULL;
Try {
Conn = drivermanager. getconnection (URL, user, password );
Statement stmt = conn. createstatement (resultset. type_scroll_sensitive, resultset. concur_updatable );
Stmt.exe cutequery (SQL );
Stmt. Close ();
Conn. Close ();
}
Catch (sqlexception ex ){
System. Err. println (ex. getmessage ());
}

}
Public void closestmt ()
{
Try {
Stmt. Close ();
}
Catch (sqlexception E)
{
E. printstacktrace ();
}
}
Public void closeconn ()
{
Try {
Conn. Close ();
}
Catch (sqlexception E)
{
E. printstacktrace ();
}
}
}
Login_confirm.jsp code
<% @ Page contenttype = "text/html; charset = gb2312" %>
<HTML>
<Head>
<Title> logon verification </title>
</Head>
<Body>
<% @ Page Language = "Java" Import = "Java. SQL. *, java. util. *, java. Lang. *" %>
<JSP: usebean id = "conndbbean" Scope = "page" class = "DB. dbconn"/>
<%
String name1 = new string (request. getparameter ("user_id"). getbytes ("ISO-8859-1 "));
String pwd1 = new string (request. getparameter ("password"). getbytes ("ISO-8859-1 "));
String SQL = "select * from ADM where name = '" + name1 + "' and Password = '"
+ Pwd1 + "'";
Resultset rs1_conndbbean.exe cutequery (SQL );
If (Rs. Next ()){
Rs. Close ();
Conndbbean. closestmt ();
Conndbbean. closeconn ();
Session. putvalue ("username", name1 );
Session. putvalue ("password", pwd1 );
%>
<Script language = JavaScript>
Window. Location = "index_ OK .jsp? Mark = dfsd"
</SCRIPT>
<%}
Else {
Rs. Close ();
Conndbbean. closestmt ();
Conndbbean. closeconn ();
Session. putvalue ("login_message", MSG );
%>
<JSP: foward page = "relogin. jsp"/>
<% }%>
</Body>
</Html>

Question added:SOS submission form Section
<Form action = "login_confirm.jsp" method = "Post" name = "form1">
<TD width = "62" align = "Left"> <Div align = "center"> User Name </div> </TD>
<TD width = "181"> <input name = "user_id" type = "text"> </TD>
<TD width = "48" align = "Left"> <Div align = "center"> password </div> </TD>
<TD width = "168"> <input type = "password" name = "password"> </TD>
<TD colspan = 2 align = "center">
<Input type = "button" value = "login" onclick = "Submit ()" size = "4";> </TD>
<TD width = "129" colspan = "2" align = "right"> <a href = "register. jsp">
<Input type = "reset" value = "cancel" size = "4"/>
<SPAN class = "style29"> New Member registration </span> </a> </TD>
</Tr>
<%
String getloginmessage = (string) Session. getvalue ("loginsign ");
If (getloginmessage! = "OK ")
{
%>
<Tr>
<TD colspan = 2>
<Div align = "center"> </div>
</TD>
</Tr>
<%
}
Else {
%>
<Tr>
<TD colspan = 2 align = "center">
<A href = "change_infor.jsp"> modify
</A>
</TD>
</Tr>
<%
}
%>

</Table>
</Form>
</Div>
</Body>
</Html>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
sql server add user to database sql server create user for database sql server user management sql server add user sql server user connections sql server delete user sql server management studio grant user access to database
Related Article
SQL Server R2 download address and serial number, available t...
pymssql calling SQL Server stored procedure with output param...
Nolock, HOLDLOCK, UPDLOCK, TABLOCK, Tablockx in SQL Server

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

What's Trending
Top 10 Tags
datastax versions naming convention zookeeper client class definition md5 microsoft sql server 2005 data structures exception handling error handling
Top 10 Keywords
microsoft download center down wordpress address url site address url wordpress address url windows installer 4 0 download 302 not found web address url definition site address url wordpress db2 integer mac os installation step by step pdf abbreviation for return

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More