The seventh day of php practice_PHP tutorial-PHP Tutorial-php.cn

The seventh day of php practice_PHP tutorial

WBOY

Release： 2016-07-14 10:10:56

Original

949 people have browsed it

To summarize the special effects learned, get focus event focus, lose focus event blus press a certain key event keypress

[javascript] / JavaScript Document
// Author QQ 496928838 Blog http://wl.125.la
$(document).ready(function(e) {
//Get user text box
var userName=$("#userName");
//Get user password box
var password=$("#password");
//Get the picture in front of the text box
var userimg=$("#userimg");
//Get the picture in front of the password box
var pwimg=$("#pwimg");

//Give focus to the user text box
UserName.focus();

//Bind user text box focus event, lose focus event, press something event
userName.focus(function(){
userimg.css("background-position","0px");
}).blur(function(){
userimg.css("background-position","-33px");
}).keypress(function(e){
var key=e.which;
If(key==13){
                   password.focus();
         }
});

//Bind password text box focus event, lose focus event, press something event
Password.focus(function(){
pwimg.css("background-position","-66px");
                                                        }).blur(function(){
pwimg.css("background-position","-99px");
}).keypress(function(e){
var key=e.which;
If(key==13){
                $("#login").click();
         }
});

//Bind login button click event, move in event, move out event
$("#login").click(function(){
//Get user name
var strUsetName = $("#userName").val();
//Get the password entered by the user
          var strPassword = $("#password").val();

var msg=$("#msg");
                                                                 $.ajax({
url:'admin.php?m=admin&a=login',
           type:'POST',
             dataType:'json',
data:{
                   userName:strUsetName,
Password:strPassword
            },
Success: function(json){
If (json.state=='ok') {
                       msg.html("Login successful");
                                                                                                                                                                                            msg.html(json.error);                                                                                                                                                                                                                                                                                                                                                                      });
}).mousemove(function(){
$(this).css("background-position","-138px");
}).mouseout(function(){
$(this).css("background-position","0px");
});


});

// JavaScript Document
// Author QQ 496928838 Blog http://wl.125.la

$(document).ready(function(e) {

//Get user text box
var userName=$("#userName");
//Get user password box
var password=$("#password");
//Get the image in front of the text box
var userimg=$("#userimg");
//Get the picture in front of the password box
var pwimg=$("#pwimg");

//Give focus to the user text box
userName.focus();

//Bind user text box focus event, lose focus event, press something event
userName.focus(function(){
userimg.css("background-position","0px");
}).blur(function(){
userimg.css("background-position","-33px");
}).keypress(function(e){
var key=e.which;
if(key==13){
Password.focus();
}
});

//Bind password text box focus event, lose focus event, press something event
password.focus(function(){
pwimg.css("background-position","-66px");

}).blur(function(){
pwimg.css("background-position","-99px");
}).keypress(function(e){
var key=e.which;
if(key==13){
$("#login").click();
}
});

//Bind login button click event, move in event, move out event
$("#login").click(function(){

//Get user name

var strUsetName = $("#userName").val();
//Get the password entered by the user
var strPassword = $("#password").val();

var msg=$("#msg");

$.ajax({

url:'admin.php?m=admin&a=login',
Type:'POST',
dataType:'json',
data:{
UserName:strUsetName,
Password:strPassword
},
Success: function(json){
If (json.state=='ok') {
msg.html("Login successful");
}else{
msg.html(json.error);
}
}

});
}).mousemove(function(){
$(this).css("background-position","-138px");
}).mouseout(function(){
$(this).css("background-position","0px");
});

});

Requested ajax method

[php] public function login()
{
    $json['state']='no';

    if (!empty($_POST['userName']) && !empty($_POST['password'])) {
        $userName=$_POST['userName'];
        $password=md5($_POST['password']);
        /*var_dumP($_POST);
        var_dump($password);
        var_dump($password);*/

        if($_SESSION['userData']=$this->db->where("userName='{$userName}' and password='{$password}'")->fine()){

            $json['state']='ok';
        // echo "<script>window.location.href='admin.php?m=admin&a=admin';</script>";
            $_SESSION['login']=true;

        }else{

            $json['error']='用户不存在或密码错误';
        }

    }else {
        $json['error']='请输入用户名和密码';

    }

    echo json_encode($json);
    //$this->display();
}

  public function login()
  {
   $json['state']='no';

   if (!empty($_POST['userName']) && !empty($_POST['password'])) {
    $userName=$_POST['userName'];
    $password=md5($_POST['password']);
    /*var_dumP($_POST);
    var_dump($password);
    var_dump($password);*/

    if($_SESSION['userData']=$this->db->where("userName='{$userName}' and password='{$password}'")->fine()){

     $json['state']='ok';
    // echo "<script>window.location.href='admin.php?m=admin&a=admin';</script>";
     $_SESSION['login']=true;

    }else{

$json['error']='用户不存在或密码错误';
}

}else {
$json['error']='请输入用户名和密码';

   }

   echo json_encode($json);
   //$this->display();
  }