我正在尝试更新帖子,为此,我拥有带有以下标记的表单
<form method="post" action="{{ admin_url('services/'.$service->id) }}">
<input name="_method" type="hidden" value="PATCH">
<div class="form-group">
<label for="name">Service Name</label>
<input type="text" class="form-control" id="name" name="name"
value="{{ old('name') ? old('name') : $service->name }}">
</div>
<button type="submit" class="btn btn-primary">Submit</button>
</form>
最初,在打开表单时,它应该显示模型值{{$ service-> name}},一旦提交表单,并且验证失败,它必须显示旧输入
问题是当输入为空时,逻辑{{ old('name') ? old('name') : $service->name }}
计算结果为false,并且显示$service->name
而不是空值。
我的控制器代码
public function update($id,Request $request)
{
$validatedData = $request->validate([
'name' => 'required|max:255|min:5'
]);
$service = Service::find($id);
$service->name = $request->input('name');
$service->save();
return redirect(admin_url('services'))->with('message','Service updated successfully');
}