setErrorMsg的方法為什么要返回CommonError呢?
@Override
public?CommonError?setErrorMsg(String?errorMsg)?{
????this.errorMsg?=?errorMsg;
????return?this;
}@Override
public?CommonError?setErrorMsg(String?errorMsg)?{
????this.errorMsg?=?errorMsg;
????return?this;
}2019-02-12
舉報
2019-02-12
錯誤信息返回的類型當然選擇通用返回類型CommonError