我有这个项目应该从数据透视表和一对多关系中获取值。使用雄辩的语法时,我得到了正确的输出,如下所示:
预订控制器
public function index()
{
$secSubs = Student::find(1);
return $secSubs->sectionSubjects;
}
form.blade.php
@inject('reservation', 'App\Http\Controllers\ReservationController')
@foreach( $reservation->index() as $reserved )
<tr>
<td>{{ $reserved->section->section_code }}</td>
<td>{{ $reserved->subject->subject_code }}</td>
<td>{{ $reserved->subject->subject_description }}</td>
<td>{{ $reserved->schedule }}</td>
<td>{{ $reserved->subject->units }}</td>
<td>{{ $reserved->room_no }}</td>
<td>
<button class="btn btn-xs btn-danger">Delete</button>
</td>
</tr>
@endforeach
但是我想利用 vue js 的特性,以便我的页面将自动填充正在获取的值,如下所示。
new Vue({
el: '#app-layout',
data: {
subjects: []
},
ready: function(){
this.fetchSubjects();
},
methods:{
fetchSubjects: function(){
var self = this;
this.$http({
url: 'http://localhost:8000/reservation',
method: 'GET'
}).then(function (subjects){
self.subjects = subjects.data;
console.log('success');
}, function (response){
console.log('failed');
});
},
}
});
form.blade.php
<tr v-for="subject in subjects">
<td>@{{ subject.section.section_code }}</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>@{{ subject.room_no }}</td>
<td>
<button class="btn btn-xs btn-danger">Delete</button>
</td>
</tr>
如我的 form.blade.php 所示,我无法获得 section_code 的值。我在这里错过了什么吗?
更新:SectionSubject 模型
class SectionSubject extends Model
{
protected $table = 'section_subject';
public function students()
{
return $this->belongsToMany(Student::class, 'section_subject_student','section_subject_id','student_id'
)->withTimestamps();
}
public function assignStudents(Student $student)
{
return $this->students()->save($student);
}
public function subject()
{
return $this->belongsTo(Subject::class);
}
public function section()
{
return $this->belongsTo(Section::class);
}
}
学生模型
public function sectionSubjects()
{
return $this->belongsToMany(SectionSubject::class,'section_subject_student', 'student_id','section_subject_id')
->withTimestamps();
}
剖面模型
class Section extends Model
{
public function subjects()
{
return $this->belongsToMany(Subject::class)->withPivot('id','schedule','room_no');
}
public function sectionSubjects()
{
return $this->hasMany(SectionSubject::class);
}
}