feat: 管理员系统设置新增：新增邮件设置

app/Module/Base.php

@@ -2982,4 +2982,112 @@ class Base
             },
             $str);
     }
+    //去重复
+    public static function assoc_unique($array, $keyid,$desc=true) {
+        if(empty($array)){
+            return false;
+        }
+        $array = array_values($array);
+        //倒叙排列数
+        if($desc)
+        {
+            $array =(new Self)->array_rsort($array,true);
+        }
+
+        //提取需要判断的项目变成一维数组
+        $a = (new Self)->array_tq($array,$keyid);
+
+        //去除一维数组重复值
+        $a = array_unique($a);
+        //提取二维数组项目值
+        foreach($array[0] AS $key=>$value)
+        {
+            $akey[] = $key;
+        }
+        //重新拼接二维数组
+        foreach($akey AS $key=>$value)
+        {
+            $b = (new Self)->array_tq($array,$value);
+            foreach($a AS $key2=>$value2)
+            {
+                $c[$key2][$value] = $b[$key2];
+            }
+        }
+
+        if($desc)
+        {
+            $c = (new Self)->array_rsort($c,true);
+        }
+        return $c;
+    }
+
+    //提取二维数组项目
+    public static function array_tq($array,$aval="")
+    {
+        foreach($array AS $key=>$value)
+        {
+            $result[] = $value[$aval];
+        }
+        return $result;
+    }
+
+    public static function array_rsort($arr,$isvalues=false)
+    {
+        if(is_array($arr)){
+            $flag = false;
+            //一维数组
+            if(count($arr) == count($arr,1)){
+                $flag = true;
+                $i = 0;
+                //转换成二维数组
+                foreach($arr AS $key=>$value){
+                    $a[$i]["okey"] = $key;
+                    $a[$i]["value"] = $value;
+                    $i++;
+                }
+                $arr = $a;
+            }
+            //多维数组
+            else
+            {
+                //添加临时key值
+                foreach($arr AS $key=>$value){
+                    $value["okey"] = $key;
+                    $array[] = $value;
+                }
+                $arr = $array;
+            }
+
+            //倒叙并还原key值
+            $count = count($arr)-1;
+            for($i=0;$i<count($arr);$i++){
+                $b[$arr[$count]["okey"]] = $arr[$count];
+                $count--;
+            }
+
+            //重构一维数组
+            if($flag == true){
+                foreach($b AS $key=>$value){
+                    if($isvalues){
+                        $c[] = $value["value"];
+                    }else{
+                        $c[$value["okey"]] = $value["value"];
+                    }
+                }
+            }
+            //多维数组去除临时key值
+            else
+            {
+                foreach($b AS $key=>$value)  {
+                    unset($value["okey"]);
+                    if($isvalues){
+                        $c[] = $value;
+                    }else{
+                        $c[$key] = $value;
+                    }
+                }
+            }
+            return $c;
+        }
+    }
 }