toCommaStr method

String toCommaStr()

逗号隔开的字符串

Implementation

String toCommaStr() {
  List tempList = [];
  String str = '';
  this.forEach((f) {
    tempList.add(f);
  });

  tempList.forEach((f) {
    if (str == '') {
      str = "$f";
    } else {
      str = "$str" "," "$f";
    }
  });

  return str;
}