laravel表单验证

发布时间：2020-12-14 19:58:50 所属栏目：大数据来源：网络整理

导读：代码实现：后台： use Validator; ( = Input:: = 'user_name'=>'required|between:4,20','user_pwd'=>'required|between:6,'code'=>'required|between:4,4' = 'user_name.required'=>'账号不能为空！','user_name.between'=>'账号必须在6-20位之间！','use

代码实现：

后台：

use Validator;

( = Input:: ='user_name'=>'required|between:4,20','user_pwd'=>'required|between:6,'code'=>'required|between:4,4' ='user_name.required'=>'账号不能为空！','user_name.between'=>'账号必须在6-20位之间！','user_pwd.required'=>'密码不能为空！','user_pwd.between'=>'密码必须在6-20位之间！','code.required'=>'验证码不能为空！','code.between'=>'验证码必须为4位！', = Validator::make(,, (-> (['code']!=(['code' back()->with('msg','验证码错误！' = DB::table('user')->('user_id','user_encrypt','user_pwd')->where('user_name',$input['user_name'])-

first();
if(!$user){
return back()->with('msg','用户不存在！');
}else{
if(md5(md5($input['user_pwd']).$user->user_encrypt)!=$user-

user_pwd){
return back()->with('msg','密码错误！');
}
session(['user_id'=>$user->user_id]);
return redirect('index');
}
}else{
return back()->withErrors($validator);
}
}else{
return view('admin.login');
}

}  </span></pre>

="middle-box text-center loginscreen animated fadeInDown">

            <h1 <span style="color: #0000ff"&gt;class</span>="logo-name"&gt;h</h1>  

        </div>  
        <h3>欢迎使用 hAdmin</h3>  

        <form <span style="color: #0000ff"&gt;class</span>="m-t" role="form" action="{{URL('/login')}}" method="post"&gt;<span style="color: #000000"&gt;  
           @</span><span style="color: #0000ff"&gt;if</span>(<span style="color: #008080"&gt;count</span>(<span style="color: #800080"&gt;$errors</span>)>0<span style="color: #000000"&gt;)  
                        @</span><span style="color: #0000ff"&gt;if</span>(<span style="color: #008080"&gt;is_object</span>(<span style="color: #800080"&gt;$errors</span><span style="color: #000000"&gt;))  
                            @</span><span style="color: #0000ff"&gt;foreach</span>(<span style="color: #800080"&gt;$errors</span>->all() <span style="color: #0000ff"&gt;as</span> <span style="color: #800080"&gt;$error</span><span style="color: #000000"&gt;)  
                            </span><p style="color:red"&gt;{{<span style="color: #800080"&gt;$error</span>}}</p><span style="color: #000000"&gt;  
                            @</span><span style="color: #0000ff"&gt;endforeach</span><span style="color: #000000"&gt;  
                        @</span><span style="color: #0000ff"&gt;else</span>  
                        <p style="color:red"&gt;{{<span style="color: #800080"&gt;$errors</span>}}</p><span style="color: #000000"&gt;  
                    @</span><span style="color: #0000ff"&gt;endif</span><span style="color: #000000"&gt;  
                @</span><span style="color: #0000ff"&gt;endif</span><span style="color: #000000"&gt;  
                @</span><span style="color: #0000ff"&gt;if</span>(session('msg'<span style="color: #000000"&gt;))  
                    </span><p style="color:red"&gt;{{session('msg')}}</p><span style="color: #000000"&gt;  
                @</span><span style="color: #0000ff"&gt;endif</span>  
            <div <span style="color: #0000ff"&gt;class</span>="form-group"&gt;  
                <input type="email" <span style="color: #0000ff"&gt;class</span>="form-control" placeholder="用户名" required="" name="email"&gt;  
            <input type="hidden" name="_token" value="<?php echo csrf_token(); ?>"&gt;  
            </div>  
            <div <span style="color: #0000ff"&gt;class</span>="form-group"&gt;  
                <input type="password" <span style="color: #0000ff"&gt;class</span>="form-control" placeholder="密码" required="" name="pwd"&gt;  
            </div>  
            <button type="submit" <span style="color: #0000ff"&gt;class</span>="btn btn-primary block full-width m-b"&gt;登 录</button>  


            <p <span style="color: #0000ff"&gt;class</span>="text-muted text-center"&gt; <a href="login.html#"&gt;<small>忘记密码了？</small></a> | <a href="{{URL('/register')}}"&gt;注册一个新账号</a>  
            </p>  

        </form>  
    </div>  
</div>  </pre>

$validator->fails()? 验证都符合规则返回false 不符合规则返回true

（编辑：李大同）

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