高级关联
<p>参考文档：<a href="https://www.cnblogs.com/sgm4231/p/9639762.html">https://www.cnblogs.com/sgm4231/p/9639762.html</a></p>
<pre><code>$name = $request->get('name'); //活动标题
$start_time = $request->get('start_time'); //活动开始时间
$user_name = $request->get('user_name'); //发布者
$limit = (int) $request->get('limit', 15);
$offset = (int) $request->get('offset', 0);
$data=ActiveJieSuan::with(['user' => function ($query) {$query->select('id','name');},
'active'=> function ($query) {$query->select('id','name','start');}])
->when($name, function ($query) use ($name) {
return $query->whereHas('active', function ($query) use ($name) {
return $query->where('name', 'like', '%'.$name.'%');
});
})
->when($user_name, function ($query) use ($user_name) {
return $query->whereHas('user', function ($query) use ($user_name) {
return $query->where('name', 'like', '%'.$user_name.'%');
});
})
->when($start_time, function ($query) use ($start_time) {
return $query->whereHas('active', function ($query) use ($start_time) {
return $query->where('start', '>=', $start_time);
});
})
->limit($limit)
->offset($offset)
->orderBy('id', 'desc')
->paginate()->toArray();</code></pre>