addGetParam method
Implementation
Uri addGetParam(Map<String, dynamic> param) {
var resultPath = this;
var paramUrl = '';
var list = param.entries.toList();
for (var i = 0; i < list.length; i++) {
paramUrl += "${i == 0 ? "?" : "&"}${list[i].key}=${list[i].value}";
}
return Uri.parse("$resultPath$paramUrl");
}