tp5 haswhere 传条件使用闭包查询实例

thinkphp很强大，文档不够完善，这里查询条件比较复杂，直接上代码展示吧。

```
            $list = $this->model::hasWhere("chargeOrder",function ($query) use ($order){
                $query->where("ChargeOrder.sale_order","<>",0);//ChargeOrder模型名称
            })
                ->with([
                    'chargeOrder'=>['basicOrder','power']
                ])
                ->where($where)
                ->group("SaleOrder.id")
                ->order($sort, $order)
                ->paginate($limit);
            $list = $this->model:: hasWhere("stepOne",function ($query) use ($order){
                    $query->where("RefundOrder.status","in",[2,3,4]);//RefundOrder.status模型名称
                })
                ->with(["saleOrder","basicOrder","stepOne","stepTwo"])
                ->where($where)
                ->order($sort, $order)
                ->group("ChargeOrder.id")
                ->paginate($limit);			
				
$rslist = model('表明a')->hasWhere('表明b', function ($query) use ($条件1, $条件2, $条件2) {
                !empty($条件1) && $query->where('条件1', $条件1);
                !empty($条件2) && $query->where('条件2', $条件2);
                !empty($条件3) && $query->where('条件3', $条件3);
            })->with('表明c', function ($query) use ($条件5) {
             $条件5 != '' && $query->where('条件5', $条件5);
            })->where($where)->paginate(10, false, [
                'query' => request()->param(),
            ]);
```

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