zoukankan      html  css  js  c++  java
  • Laravel 修改操作

    增加路由:
    Route::any('Student/update/{id}',['uses'=>'StudentController@update']);

    控制器代码:(
    Request $request不会影响参数
    public function update(Request $request,$id){
    $student = Student::find($id);
    if($request->isMethod('POST')){
    //验证通过后继续进行
    //方法2 Validator类验证
    $validator = Validator::make($request->input(),[
    'Student.name' => 'required|min:2|max:20',
    'Student.age' => 'required|integer',
    'Student.gender' => 'required|integer',
    ],[
    'required'=>':attribute 为必填项',
    'min' => ':attribute 长度不符合要求',
    'integer' => ':attribute 必须是一个整形',
    ],[ 'Student.name' => '姓名',
    'Student.age' => '年龄',
    'Student.gender' => '性别',
    ]);
    if($validator->fails()){
    return redirect()->back()->withErrors($validator)->withInput();
    }
    //如果验证通过,则继续执行下面的代码
    $data = $request->input('Student');
    $student->name = $data['name'];
    $student->age = $data['age'];
    $student->gender = $data['gender'];
    if($student->save()){
    return redirect('Student/index')->with('success','修改成功');
    }else{
    return redirect()->back();
    }
    }
    return view('Student.update',[
    'student'=>$student
    ]);
    }


    列表视图的代码:
    <a href="{{ url('Student/update',['id'=>$val->id]) }}">编辑</a>

    修改页面代码:
    <form method="post" action="{{ url('Student/update',['id'=>$student->id]) }}">
    {{ csrf_field() }}
    姓名 :<input type="text" name="Student[name]" value="{{ old('Student')['name']?old('Student')['name']:$student->name }}" />
    年龄 :<input type="text" name="Student[age]" value="{{ old('Student')['age']?old('Student')['name']:$student->age }}" />
    性别 :
    @foreach($student->user_sex() as $ind=>$val)
    <input type="radio" name="Student[gender]" value="{{$ind}}" {{ (old('Student')['gender']?old('Student')['gender']:$student->gender)==$ind?'checked':'' }} />{{$val}}
    @endforeach
    <input type="hidden" name="Student[id]" value="{{$student->id}}">
    <input type="submit" value="提交"/>
    </form>
     



  • 相关阅读:
    nginx学习1
    win7右下角的网络连接图标不见了~终极必杀技
    centos配置history记录每个用户执行过的命令
    Screen会话命令 Linux
    Linux的运行级别和chkconfig用法
    Linux与Windows中的UTC时间
    Solr 缓存配置
    SolrJ 查询数据
    Solr之困
    solr 查询参数说明
  • 原文地址:https://www.cnblogs.com/gyfluck/p/9072793.html
Copyright © 2011-2022 走看看