!409 导入时枚举型字段型备注只截取冒号前面部分

Merge pull request !409 from simon429/develop

application/admin/library/traits/Backend.php

@@ -399,6 +399,7 @@ trait Backend
         $list = db()->query("SELECT COLUMN_NAME,COLUMN_COMMENT FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = ? AND TABLE_SCHEMA = ?", [$table, $database]);
         foreach ($list as $k => $v) {
             if ($importHeadType == 'comment') {
+                $v['COLUMN_COMMENT'] = explode(':', $v['COLUMN_COMMENT'])[0]; //字段备注有:时截取
                 $fieldArr[$v['COLUMN_COMMENT']] = $v['COLUMN_NAME'];
             } else {
                 $fieldArr[$v['COLUMN_NAME']] = $v['COLUMN_NAME'];