laravel 框架簡易增刪改查
阿新 • • 發佈：2021-10-11
參看網址：http://www.yan.com/mou/add
圖書增加HTML頁面
//圖書增加路由 Route::get('mou/add','MouController@store');
//控制器程式碼，這一步渲染新增的檢視
public function add() { return view('mou.mouadd'); }
//新增檢視HTML程式碼
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>新增頁面</title> <link rel="stylesheet" href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css"> </head> <body> <form action="/mou/insert" method="post" enctype="multipart/form-data" style="width: 300px;"> @csrf <div class="form-group"> <label for="name">標題</label> <input type="text" class="form-control" name="title" > </div> <div class="form-group"> <label for="name">作者</label> <input type="text" class="form-control" name="author" > </div> <div class="form-group"> <label for="name">書圖</label> <input type="file" class="form-control" name="img" > </div> <div class="form-group"> <label for="name">分類</label> <input type="text" class="form-control" name="type" > </div> <input type="submit" value="立即新增"> </form> </body> </html>
//處理新增入庫，資料庫展示，刪除，修改以及靜態化詳情控制器程式碼
<?php namespace App\Http\Controllers; use App\models\mouModel; use Illuminate\Http\Request; use QL\QueryList; class MouController extends Controller { // public function store() { //採集的地址 $url = 'https://www.hongxiu.com/search?kw=%E5%8E%86%E5%8F%B2'; $content = file_get_contents($url); $range = '.book-mid-info'; $rules = [ 'title' => ['h4', 'text'], 'author' => ['p[class=author]', 'text'], 'img' => ['img', 'src'], 'type' => ['a[target=_blank]', 'text'] ]; $data = QueryList::html($content) ->range($range) ->rules($rules) ->queryData(); foreach ($data as $k => $v) { $path = 'http:' . $v['img']; $file = file_get_contents($path); $filename = './book/' . md5($k) . '.jpg'; file_put_contents($filename, $file); } $res = mouModel::store($data); if ($res) { echo "<font color='red'>採集成功</font>"; header('refresh:2,url=/mou/list'); } else { echo "<font color='red'>採集失敗</font>"; header('refresh:2,url=/mou/list'); } } //圖書新增頁面 public function add() { return view('mou.mouadd'); }
//圖書入庫 public function insert(Request $request) { // 接受引數 $params = $request->except('_token'); //處理圖片 $path = '/' . $request->file('img')->store('img'); $params['img'] = $path; // 進行新增入庫 $res = mouModel::store($params); if ($res) { echo "<font color='red'>新增成功</font>"; header('refresh:2,url=/mou/list'); } else { echo "<font color='red'>新增失敗</font>"; header('refresh:2,url=/mou/add'); } } //展示 public function list(Request $request) { $word=$request->input('word'); $data = mouModel::list($word); return view('mou.moulist', compact('data','word')); } //刪除 public function del($id) { // 這裡可進行驗證id不可以為空，是不是純數字 $res = mouModel::del($id); if ($res) { echo "<font color='red'>刪除成功</font>"; header('refresh:2,url=/mou/list'); } else { echo "<font color='red'>刪除失敗</font>"; header('refresh:2,url=/mou/list'); } } //詳情展示 public function updataone($id) { // 這裡可進行驗證id不可以為空，是不是純數字 $data = mouModel::updataone($id); return view('mou.mouupdataone', compact('data')); } //修改 public function updata(Request $request) { $params = $request->all(); $res = mouModel::updata($params); if ($res) { echo "<font color='red'>修改成功</font>"; header('refresh:2,url=/mou/list'); } else { echo "<font color='red'>修改失敗</font>"; header('refresh:2,url=/mou/list'); } } //靜態化詳情 public function listone($id) { $filrname = "./book/" . md5($id) . ".html"; if (file_exists($filrname)) { echo file_get_contents($filrname); } else { $data = mouModel::listone($id); $html = view('mou.moulistone', compact('data')); file_put_contents($filrname, $html); return $html; } } }
//處理新增入庫，資料庫展示，刪除，修改以及靜態化詳情模型程式碼
<?php namespace App\models; use Illuminate\Database\Eloquent\Model; use Illuminate\Database\Eloquent\SoftDeletes; class mouModel extends Model { //軟刪除 use SoftDeletes; //定義資料表 protected $table = 'mou'; // 定義主鍵id public $primaryKey = 'id'; // 設定時間戳為關 public $timestamps = false; //新增入庫的模型程式碼 public static function store($param) { return self::insert($param); } //展示 public static function list($word) { return self::where('title','like',"%$word%")->paginate(5); } //刪除 public static function del($id) { return self::find($id)->delete(); } //修改展示頁面 public static function updataone($id) { return self::find($id); } //修改 public static function updata($params) { $obj = self::find($params['updata_id']); $obj->title = $params['title']; $obj->author = $params['author']; $obj->img = $params['new_img']; $obj->type = $params['type']; return $obj->save(); } //詳情展示 public static function listone($id){ return self::find($id); } }
//修改HTML程式碼：
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>修改頁面</title> <link rel="stylesheet" href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css"> </head> <body> <form action="/mou/updata" method="post" style="width: 300px;"> @csrf <div class="form-group"> <label for="name">標題</label> <input type="text" class="form-control" name="title" value="{{$data['title']}}" > </div> <div class="form-group"> <label for="name">作者</label> <input type="text" class="form-control" name="author" value="{{$data['author']}}" > </div> <div class="form-group"> <label for="name">書圖</label> <img src="{{$data['img']}}" alt="無法顯示"> <input type="file" value="new_img" name="new_img" > </div> <div class="form-group"> <label for="name">分類</label> <input type="text" class="form-control" name="type" value="{{$data['type']}}"> </div> {{-- 隱藏的id，傳至控制器--}} <input type="hidden" value="{{$data['id']}}" name="updata_id"> <input type="submit" value="立即修改"> </form> </body> </html>