Php 按类别计算Laravel中的总金额
我提出这个问题:Php 按类别计算Laravel中的总金额,php,laravel,eloquent,Php,Laravel,Eloquent,我提出这个问题: $expenses = Expense::where('team_id', Auth::user()->currentTeam->id) ->with(['categories']) ->orderBy('entry_date', 'DESC') ->get(); 费用消耗类别资源: return [ 'id' => Hashid
$expenses = Expense::where('team_id', Auth::user()->currentTeam->id)
->with(['categories'])
->orderBy('entry_date', 'DESC')
->get();
费用消耗类别资源:
return [
'id' => Hashids::encode($this->id),
'entry_date' => $this->entry_date,
'amount' => $this->amount,
'category' => $this->category->name
];
答复:
"expenses": [
{
"id": "GO3W1MkgWkngpnByQ6",
"entry_date": "2020-10-14",
"amount": "50.00",
"category": "Health"
},
{
"id": "7vK6bz0gnG7JBOYRLD",
"entry_date": "2020-10-14",
"amount": "30.00",
"category": "Uncategorize"
},
{
"id": "7vK6bz0gnG7JBOYRLD",
"entry_date": "2020-10-14",
"amount": "30.00",
"category": "Health"
},
{
"id": "7vK6bz0gnG7JBOYRLD",
"entry_date": "2020-10-14",
"amount": "30.00",
"category": "Food"
},
]
我想按类别计算“金额”的总和
理想情况下,我希望得到如下结果:
"expenses": [
{
"category": "Health"
"total_amount": "80.00",
},
{
"category": "Uncategorized"
"total_amount": "30.00",
},
{
"category": "Food"
"total_amount": "30.00",
},
]
您可以尝试添加对您的查询有意义的
select()
和groupBy()
:
$expenses = Expense::select('category', DB::raw('SUM(amount) AS total_amount'))
->where('team_id', Auth::user()->currentTeam->id)
->groupBy('category')
->with(['categories'])
->orderBy('category')
->get();
你好它不起作用,因为如我的示例所示,我正在使用一个资源文件来调用“category”,我无法帮助您。看看你能不能让我的答案起作用。