edit

src/Api.php

@@ -121,7 +121,7 @@ class Api
      *
      * @return mixed
      */
-    public function string($area, $im = ',', $unset = true, $name = '不限')
+    public function string($area, $im = ',', $unset = true, $name = '不限', $check = false)
     {
         if ($area) {
             if (is_string($area)) {
@@ -138,9 +138,11 @@ class Api
                         unset($result[1]);
                     }
                 } elseif ($k == 2) {
-                    $result[$k] = $this->getName('county', $v, false, 'id', $name);
+                    $parent = $area[0] . ',' . $area[1];
+                    $result[$k] = $this->getName('county', $v, false, 'id', $name, $check, $parent);
                 } elseif ($k == 3) {
-                    $result[$k] = $this->getName('town', $v, false, 'id', $name);
+                    $parent = $area[0] . ',' . $area[1] . ',' . $area[2];
+                    $result[$k] = $this->getName('town', $v, false, 'id', $name, $check, $parent);
                 } elseif ($k == 4) {
                     $result[$k] = $this->getName('village', $v, false, 'id', $name);
                 } else {
@@ -156,7 +158,7 @@ class Api
     }
 
 
-    private function getName($table, $value, $state = false, $col = 'id', $name = '不限')
+    private function getName($table, $value, $state = false, $col = 'id', $name = '不限', $check = false, $area = array())
     {
         if (($col == 'id' && $value > 0) || ($col != 'id' && $value)) {
             $where[$col] = $value;
@@ -166,6 +168,9 @@ class Api
             }
             if ($data) {
                 $name = $data['name'];
+                if ($check && $data['area'] != $area) {
+                    $name = '<font style="color:red">'.$name.'</font>';
+                }
             }
         }
         return $name;