修改

app/system/controller/ShowTemplate.php

@@ -71,7 +71,7 @@ class ShowTemplate extends  BaseController{
      */
     public function add(Request $request){
         $post = UtilService::getMore([
-            ['id','0'],
+            ['id',''],
             ['title','','empty','请填写模板标题'],
             ['price','0','is_numeric','请输入正确的模板售价'],
             ['old_price','0','is_numeric','请输入正确的模板原价'],
@@ -94,10 +94,18 @@ class ShowTemplate extends  BaseController{
         $save["unreal_sales"] = (int)$post["unreal_sales"];
         $save["admin_time"]   = time();
         $save["admin_id"]     = $request->adminInfo['id'];
-        $id = $post["id"];
+        $id = empty($post["id"])?0:(int)$post["id"];
+        $codeWhere[]=["code","=",$save["code"]];
+        if($id>0){
+            $save["time"] = time();
+            $codeWhere[]=["id","<>",$id];
+        }
+        $count = (new ShowTemplateModel)->where($codeWhere)->where("id","<>",$id)->count();
+        if($count>0){
+            return app('json')->fail("当前code已存在");
+        }
         $r=0;
         if(empty($id) || $id=="0"){
-            $save["time"] = time();
             $r = (new ShowTemplateModel)->insert($post);
         }else{
             $r = (new ShowTemplateModel)->where("id",$id)->update($save);