Question

我想使用laravel中的条形图创建计数每月数据，

$monthly_assessment = DB::table('praapplication')
         ->select(DB::raw('count(id) as total'), DB::raw('MONTH(created_at) as month'))
         ->where('stage', 'W1')
         ->groupBy('month')
         ->get();

我得到的输出如下：

total:2, month:10 ; total:3, month:11

代码输出应该像这样用Javascript表示

data: [0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0]

如何用JavaScript解析

name: 'Submission',
data: [0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0]

Answer 1

以这种方式返回您的数据。

$monthly_assessment = DB::table('praapplication')
         ->select(DB::raw('count(id) as total'), DB::raw('MONTH(created_at) as month'))
         ->where('stage', 'W1')
         ->groupBy('month')
         ->get();

return response()->json($monthly_assessment , 200, array(), JSON_PRETTY_PRINT);

Answer 2

我通常做的是..

$list = [];
// loop all 12 month
foreach(range(1, 12) as $month) {
   $flag = false; // init flag if no month found in montly assessment
   foreach($monthly_assessment as $data) {
      if ($data->month == $month) { // if found add to the list
          $list [] = $data->count;
          $flag = true;
          break; // break the loop once it found match result
      }
   }

   if(!$flag) {
      $list [] = 0; // if not found, store as 0
   }
}
return $data = [
    'name' : 'Submission',
    'data' : $list
];

输出：

{
    name: 'Submission',
    data: [0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0]
}

laravel中的每月记录数并打印到javascript

2 个答案: