tp framework (thinkPHP) implements an example of locking the account after three incorrect login passwords

This article mainly introduces the tp framework (thinkPHP) to implement the account locking function after three incorrect login passwords. It analyzes the password account locking function based on thinkPHP login judgment, flag operation and other operations based on examples. Friends in need can refer to it. Next

The example in this article describes how the tp framework (thinkPHP) implements the function of locking the account after three incorrect login passwords. Share it with everyone for your reference, the details are as follows:

The table in the database needs to have the number of control data name, pwd, number

Whenever you enter an incorrect password, the number-1, when equal to 0, it will be locked

public function login_do(){
    //账号
    $username=$_POST['username'];
    //密码
    $pwd=$_POST['pwd'];
    $user=M('表名');
    $list=$user->where("username='$username'")->find();
    $time=date("Ymd",time());
    if($list['num']==0){
      if($list['time']!=$time+1){
        $this->error("您的账号已被锁定");
      }
    }
    if($list){
      if($list['pwd']==$pwd){
        $data['id']=$list['id'];
        $data['num']=3;
        $user->save($data);
        $this->success("登陆成功");
      }else{
        $list['num']=--$list['num'];
        $data['num']=$list['num'];
        $data['id']=$list['id'];
        $data['time']=$time;
        $user->save($data);
        $this->error("密码错误，还可以输入".$list['num']."次");
      }
    }else{
      $this->error("账号错误");
    }
}

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