JSP User Login Code

Last Update:2017-01-13 Source: Internet

Author: User

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JSP User Login Code

<%@ page contenttype= "text/html; charset=gb2312 "language=" java "import=" java.sql.* "errorpage=" "%>"

<% @include file= "db.jsp"%>

<jsp:usebean id= "loginMD5" scope= "page" class= "ITstudy_cn.tool.MD5"/>

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">

<html xmlns= "http://www.w3.org/1999/xhtml" >

<%

String path = Request.getcontextpath ();

String basepath = request.getscheme () + "://" +request.getservername () + ":" +request.getserverport () +path+ "/";

%>

<head>

<meta http-equiv= "Content-type" content= "text/html; charset=gb2312 "/>

<title> User Login-</title>

<link href= "Css/style.css" rel= "stylesheet" type= "Text/css"/>

<script language= "JavaScript" >

function Check () {

if (document.myform.username.value== "") {

userror.innerhtml = "User name cannot be empty";

Document.myform.username.focus ();

return False

}

if (document.myform.password.value== "") {

pserror.innerhtml = "Password cannot be null";

Document.myform.password.focus ();

return False

}

}

</script>

<style type=text/css>

. Posterror{color: #FF0000}

</style></head>

<%

if (Request.getparameter ("Dropsubmit")!=null) {

Cookie Deletenewcookie=new Cookie ("username", null);

Deletenewcookie.setmaxage (0);

Response.addcookie (Deletenewcookie);

Out.print ("<script type=" Text/javascript "> Alert" ("Successful Exit"); window.location.href= ' login.jsp ' </script> ' );

return;

}

if (Request.getparameter ("Midisubmit")!=null) {

String Username=new string (Request.getparameter ("username"). GetBytes ("iso-8859-1"));

String Password=new string (request.getparameter ("password"). GetBytes ("iso-8859-1"));

PASSWORD=LOGINMD5.GETMD5OFSTR (password);

String Company=new string (Request.getparameter ("Company"). GetBytes ("iso-8859-1"));

String Conname=new string (Request.getparameter ("Conname"). GetBytes ("iso-8859-1"));

String Email=new string (request.getparameter ("email"). GetBytes ("iso-8859-1"));

String Address=new string (Request.getparameter ("Address"). GetBytes ("iso-8859-1"));

String Content=new string (Request.getparameter ("content"). GetBytes ("iso-8859-1"));

String Tel=new string (Request.getparameter ("tel"). GetBytes ("iso-8859-1"));

String Orderr=new string (Request.getparameter ("Order"). GetBytes ("iso-8859-1"));

Statement stmt_add=conn.createstatement ();

Stmt_add.executeupdate ("Update member Set password= '" +password+ "', content= '" +content+ "', company= '" +company+ "', tel = ' "+tel+" ', Conname= ' "+conname+" ', email= ' "+email+" ', address= ' "+address+" ', qunx= ' "+orderr+" ' where username= ' "+ Username+ "'");

Stmt_add.close ();

Out.print ("<script type=" Text/javascript "> Alert" Data has been successfully modified! "); window.location.href= ' login.jsp '; </script> ");

return;

}

if (Request.getparameter ("Editname")!=null) {

String Editname=new string (Request.getparameter ("Editname"). GetBytes ("iso-8859-1"));

Statement stmt_u2=conn.createstatement (resultset.type_scroll_sensitive,resultset.concur_updatable);

String SQLU2 = "SELECT * from member where username= '" + editname + "'";

ResultSet Rsu2 = Stmt_u2.executequery (SQLU2);

if (Rsu2.next ()) {

%>

<body>

<script language= "JavaScript" >

function Check2 () {

if (document.myform.password.value== "") {

pserror.innerhtml = "Password cannot be null";

Document.myform.password.focus ();

return False

}

if (Document.myform.password.value!=document.myform.password2.value) {

ps2error.innerhtml = "Two times password inconsistency";

Document.myform.password2.focus ();

return False

}

if (document.myform.company.value== "") {

comerror.innerhtml = "Please fill in the correct unit name";

Document.myform.company.focus ();

return False

}

if (document.myform.conname.value== "") {

connameerror.innerhtml = "Please fill in the contact person's name!" ";

Document.myform.conname.focus ();

return False

}

if (document.myform.tel.value== "") {

telerror.innerhtml = "In order to better provide after-sales service, please fill in the correct mobile phone number." ";

Document.myform.tel.focus ();

return False

}

if (document.myform.email.value== "") {

emailerror.innerhtml = "Please fill in the correct email address";

Document.myform.email.focus ();

return False

}

if (document.myform.address.value== "") {

adderror.innerhtml = "Please fill in the address";

Document.myform.address.focus ();

return False

}

}

</script>

<% @include file= "head.jsp"%>

<table width= "1003" border= "0" align= "center" cellpadding= "0" cellspacing= "0" >

<tr>

&LT;TD width= "rowspan=" 3 "style=" Background:url (images/leftbg.jpg) repeat-y right ">&nbsp;</td>

&LT;TD style= "Background-repeat:repeat-x" valign= "Top" align= "Middle"

background= "Images/l_m_bg.jpg" "height=" 370 "><table style=" margin-top:10px; margin-bottom:30px "cellspacing=" 0 "

cellpadding= "0" width= "border=" 0 ">

<tbody>

<tr>

<td><img height= "alt=" "src=" images/u_zc_top.jpg "

Width= "706"/></td>

</tr>

<tr>

&LT;TD align= "Middle" background= "images/n_zc_md.jpg" height= "" ><span

class= "f12red" style= "FONT-SIZE:14PX; Font-weight:bold; COLOR: #cccc00 "> Modify personal Data </span>

<form id= "MyForm" name= "MyForm" onsubmit= "return Check2 ()"

action= "" method= "POST" >

<table class= "K1" style= "margin-top:10px; margin-bottom:15px "

cellspacing= "0" cellpadding= "8" width= "570" align= "center" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" width= "" "Bgcolor=" "#f0f8ff"

height= "><table" cellspacing= "0" cellpadding= "0" width= "100%" border= "0" >

<tbody>

<tr>

&LT;TD align= "Right" > Username:</td>

</tr>

</tbody>

</table></td>

&LT;TD align= "left" width= "180" height= "a" ><%=rsu2.getstring ("username")%></td>

&LT;TD class= "F12blue" align= "left" width= "248" bgcolor= "#fafafa" ></td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" > Password:</td>

<input type= "hidden" name= "username" value= "<%=rsu2.getstring" ("username")%> "/>"

<input type= "hidden" name= "order" value= "<%=rsu2.getstring (" Qunx ")%>"/> "

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" ><input "class=" K1 "type="

Name= "Password"/></td>

&LT;TD class= "F12blue" align= "left" bgcolor= "#fafafa" ><span class= "Posterror" id= "Pserror" > Two changes required to confirm the previous password! </span></td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black"

Align= "right" > Confirm password:</td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" ><input "class=" K1 "type="

Name= "Password2"/></td>

&LT;TD class= "F12blue" align= "left" bgcolor= "#fafafa" ><span class= "Posterror" id= "Ps2error" > </span> </td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black"

Align= "right" > Unit name:</td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" ><input "class="

Name= "Company" value= "<%=rsu2.getstring (" Company ")%>"/></td>

&LT;TD class= "F12blue" align= "left" bgcolor= "#fafafa" ><span class= "Posterror" id= "Comerror" > </span> </td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" > Contact person:</td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" ><input class= "K1" name= "Conname" value= "<%=rsu2.getstring (" conname ")% > "/> </td>

&LT;TD class= "F12blue" align= "left" bgcolor= "#fafafa" ><span class= "Posterror" id= "Connameerror" > </span ></td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" > Remarks <span

Class= "f12red": (May not fill) </span></td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" colspan= "2" ><textarea style= "width:350px; height:60px "name=" content ><%=rsu2.getstring ("content")%></textarea></td>

</tr>

<tr>

<td></td>

<td><input type= "Submit" value= "submitted" name= "Midisubmit"/></td>

</tr>

</tbody>

</table>

</form></td>

</tr>

<tr>

<td><img height= "Notoginseng" alt= "src=" Images/n_zc_down.jpg "

Width= "706"/></td>

</tr>

</tbody>

</table></td>

&LT;TD width= "rowspan=" 3 "style=" Background:url (images/rightbg.jpg) repeat-y left ">&nbsp;</td>

</tr>

</tbody>

</table>

<% @include file= "foot.jsp"%>

</body>

</html>

<%

}

Rsu2.close ();

Stmt_u2.close ();

return;

}

if (Request.getparameter ("Logincheck")!=null) {

Cookie Deletenewcookie=new Cookie ("username", null);

Deletenewcookie.setmaxage (0);

Response.addcookie (Deletenewcookie);

String Username=new string (Request.getparameter ("username"). GetBytes ("iso-8859-1"));

String Password=new string (request.getparameter ("password"). GetBytes ("iso-8859-1"));

PASSWORD=LOGINMD5.GETMD5OFSTR (password);

Statement stmt_check=conn.createstatement (resultset.type_scroll_sensitive,resultset.concur_updatable);

String sql = "SELECT * from member where password= '" + Password + "' and username= '" + username + "";

ResultSet rslogincheck = stmt_check.executequery (sql);

if (Rslogincheck.next ()) {

if (rslogincheck.getstring ("Qunx"). Equals ("1")) {

Cookies cookie=new Cookies ("username", Java.net.URLEncoder.encode (username, "gb2312"));

Cookie.setmaxage (1*24*60*60);

Response.addcookie (cookie); Write cookies

Out.print ("<script type=" Text/javascript "> Alert" ("Landing success!"); window.location.href= ' login.jsp?op=my '; </ Script> ");

}else{

Out.print ("<script type=" Text/javascript "> Alert" ("Your account is still under review!") "); window.location.href= ' login.jsp '; </script> ");

}

}else{

Out.print ("<script type= text/javascript" > Alert ("User name or password error!!! "); window.location.href= ' login.jsp '; </script> ");

}

Rslogincheck.close ();

Stmt_check.close ();

Conn.close ();

}

Cookie cookies[]=request.getcookies ();

Cookie Scookie=null;

String Svalue=null;

String Sname=null;

String Scname=null;

if (cookies.length>1) {

for (int i=1;i<cookies.length;i++) {

SCOOKIE=COOKIES[1];

Scname=java.net.urldecoder.decode (Scookie.getvalue (), "gb2312");

Out.print ("username is" +scookie.getname () + "" + "password is" +java.net.urldecoder.decode "(Scookie.getvalue ()," gb2312 ") +" </br > ");

//}

}

if (scname!=null) {

Statement stmt_u=conn.createstatement (resultset.type_scroll_sensitive,resultset.concur_updatable);

String SQLU = "SELECT * from member where username= '" + scname + "'";

ResultSet Rsu = Stmt_u.executequery (SQLU);

if (Rsu.next ()) {

%>

<body>

<% @include file= "head.jsp"%>

<table width= "1003" border= "0" align= "center" cellpadding= "0" cellspacing= "0" >

<tr>

&LT;TD width= "rowspan=" 3 "style=" Background:url (images/leftbg.jpg) repeat-y right ">&nbsp;</td>

&LT;TD style= "Background-repeat:repeat-x" valign= "Top" align= "Middle"

background= "Images/l_m_bg.jpg" "height=" 370 "><table style=" margin-top:10px; margin-bottom:30px "cellspacing=" 0 "

cellpadding= "0" width= "border=" 0 ">

<tbody>

<tr>

<td><img height= "alt=" "src=" images/u_zc_top.jpg "

Width= "706"/></td>

</tr>

<tr>

&LT;TD align= "Middle" background= "images/n_zc_md.jpg" height= "" ><span

class= "f12red" style= "FONT-SIZE:14PX; Font-weight:bold; COLOR: #cccc00 "> My personal Information </span>

<form id= "MyForm" name= "MyForm"

action= "" method= "POST" >

<table class= "K1" style= "margin-top:10px; margin-bottom:15px "

cellspacing= "0" cellpadding= "8" width= "570" align= "center" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" width= "" "Bgcolor=" "#f0f8ff"

height= "><table" cellspacing= "0" cellpadding= "0" width= "100%" border= "0" >

<tbody>

<tr>

&LT;TD align= "Right" > Username:</td>

</tr>

</tbody>

</table></td>

&LT;TD align= "left" width= "180" height= "a" ><%=rsu.getstring ("username")%> </td>

&LT;TD class= "F12blue" align= "left" width= "248" bgcolor= "#fafafa" ></td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black"

Align= "right" > Unit name:</td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" > <%=rsu.getstring ("Company")%></td>

&LT;TD class= "F12blue" align= "left" bgcolor= "#fafafa" ><span class= "Posterror" id= "Comerror" > </span> </td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" > Contact person:</td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" > <%=rsu.getstring ("Conname")%></td>

&LT;TD class= "F12blue" align= "left" bgcolor= "#fafafa" ><span class= "Posterror" id= "Connameerror" > </span ></td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" > Tel:</td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" ><label>

<%=rsu.getstring ("tel")%>

</label></td>

&LT;TD class= "F12blue" align= "left"

Bgcolor= "#fafafa" ><span class= "Posterror" id= "Telerror" > </span></td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black"

Align= "Right" >E_mail:</td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" ><label>

<%=rsu.getstring ("email")%>

</label></td>

&LT;TD class= "F12blue" align= "left" bgcolor= "#fafafa" ><span class= "Posterror" id= "Emailerror" > </span ></td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" > Contact address:</td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" > <%=rsu.getstring ("Address")%> </td>

&LT;TD class= "F12blue" align= "left" bgcolor= "#fafafa" ><span class= "Posterror" id= "Adderror" > </span> </td>

</tr>

<input type= "hidden" value= "<%=SCname%>" name= "Editname"/>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" > Remarks <span

Class= "f12red": </span></td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" colspan= "2" > <%=rsu.getstring ("Content")%></td>

</tr>

<tr>

&LT;TD class= "k_hui_t" align= "right" bgcolor= "#f0f8ff" height= "" ><table cellspacing= "0" cellpadding= "0" width = "100%" border= "0" >

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" > Status <span

Class= "f12red": </span></td>

</tr>

</tbody>

</table></td>

&LT;TD class= "k_hui_t" align= "left" colspan= "2" >

<% if (rsu.getstring ("Qunx"). Equals ("1")) {

Out.print ("audited");

}else{out.print ("<font color=" #ff0000 "> Awaiting Audit </font>");}

%></td>

</tr>

<tr>

<td></td>

<td><input type= "Submit" value= "Modify" name= "Editsubmit"/> <input type= "Submit" value= "Exit" Name= "DROPSU Bmit "/></td>

</tr>

</tbody>

</table>

</form></td>

</tr>

<tr>

<td><img height= "Notoginseng" alt= "src=" Images/n_zc_down.jpg "

Width= "706"/></td>

</tr>

</tbody>
</table></td>
<TD width= "rowspan=" 3 "style=" Background:url (images/rightbg.jpg) repeat-y left "> </td>
</tr>
</tbody>
</table>
<% @include file= "foot.jsp"%>
</body>
<%
}else{
Cookie Deletenewcookie=new Cookie ("username", null);
Deletenewcookie.setmaxage (0);
Response.addcookie (Deletenewcookie);
Response.sendredirect ("login.jsp");
}
Rsu.close ();
Stmt_u.close ();
return;
}else{

%>

<body>

<table cellspacing= "0" cellpadding= "0" width= "1002" border= "0" >

<tbody>

<tr>

&LT;TD width= "1002" ><img height= "alt=" "src=" images/l_top.jpg "width=" "1002" border= "0"/></td>

</tr>

<tr>

&LT;TD style= "background-position:50% bottom; Background-repeat:repeat-x "background=" images/i_topd.jpg "height=" >&nbsp;</td>

</tr>

<tr>

&LT;TD style= "Background-repeat:repeat-x" valign= "Top" align= "Middle" background= "images/l_m_bg.jpg" height= "370" ><form action= "Login.jsp?action=add" method= "post" name= "MyForm" id= "MyForm" onsubmit= "return Check ()" >

<table style= "margin-top:15px" height= "278" cellspacing= "0" cellpadding= "0" width= "M" border= "0" >

<tbody>

<tr>

&LT;TD valign= "Top" align= "Middle" colspan= "3" height= "a" ><img height= "14"

alt= "" "Src=" Images/i_sorry.jpg "width="/></td> "

</tr>

<tr>

&LT;TD colspan= "3" ><img height= "alt=" "src=" images/n_tb_login.jpg "width=" 523 "/></td>"

</tr>

<tr>

&LT;TD width= "height=" 175 "rowspan=" 2 "><img height=" 175 "alt=" "

Src= "Images/n_login_md.jpg" width= "/></td>"

&LT;TD align= "Middle" width= "219" bgcolor= "#ffffff" height= "129" ><table cellspacing= "0" cellpadding= "0" width= " 100% "border=" 0 ">

<tbody>

<tr>

&LT;TD class= "F14black" align= "right" width= "28%" height= "a" > Username:</td>

&LT;TD align= "left" width= "72%" ><input class= "K1" onmouseover= "this.style.background= ' #E1F4EE ';" style= "width : 150px "onfocus=" This.select (); "onmouseout=" this.style.background= ' #FFFFFF ' "name=" username "/><br><span class=" Posterror "id=" Userror "> </span></td>

</tr>

<tr>

&LT;TD class= "F14black" align= "right" height= "a" > Secret &nbsp;&nbsp; code:</td>

&LT;TD align= "left" ><input class= "K1" onmouseover= "this.style.background= ' #E1F4EE"; "onfocus=" this.select (); "onmouseout=" this.style.background= ' #FFFFFF ' "type=" password "name=" password "/><br><span class=" Posterror "id=" Pserror "> </span></td>

</tr>

<tr>

&LT;TD colspan= "2" height= "ten" ></td>

</tr>

<tr>

&LT;TD align= "Middle" colspan= "2" ><a href= "reg.jsp" ><img height= "alt=" "src=" images/l_set_bt.jpg " Width= "border=" "0"/></a>&nbsp;&nbsp;&nbsp;

<input name= "image" type= "image" src= "images/l_login_bt.jpg" "alt=" "width=" "height=" "/></td>"

</tr><input type= "hidden" value= "true" name= "Logincheck"/>

</tbody>

</table></td>

&LT;TD height= "rowspan=" 2 "><img height=" 175 "alt=" "src=" Images/l_lx.jpg "width=" 262 "/></td>"

</tr>

<tr>

&LT;TD valign= "Bottom" ><img height= "alt=" "src=" Images/n_login_down.jpg "width=" 219 "/></td>"

</tr>

<tr>

&LT;TD colspan= "3" >&nbsp;</td>

</tr>

</tbody>

</table>

</form></td>

</tr>

</tbody>

</table>

</body>

</html>

<%

}

Conn.close ();
%>

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.

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