打印模板关联

app/OwnerLogisticPrintTemplate.php

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+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+use App\Traits\ModelLogChanging;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class OwnerLogisticPrintTemplate extends Model
+{
+    use ModelLogChanging;
+
+    protected $fillable = ['owner_id','logistic_id','print_template_id'];
+    //
+
+    public function printTemplate(): BelongsTo
+    {
+        return $this->belongsTo(PrintTemplate::class);
+    }
+}