sqlcount('explain')
            }
        });

        //表单验证
        function sqlquery_validate() {
            var result = true;
            var instance_name = $("#instance_name").val();
            var db_name = $("#db_name").val();
            var sqlContent = editor.getValue();
            var select_sqlContent = editor.session.getTextRange(editor.getSelectionRange());
            if (select_sqlContent) {
                sqlContent = select_sqlContent
            }
            var isOfflineEx