将时间转换为字符串，作为子vi经常使用，正常实现功能。-The time is converted to a string, often used as a sub-vi, the normal implementation function.

用qt实现的json数据格式的转换，很好很方便，可以节省大量的编码时间-Json qt achieved by converting the data format, very very convenient, you can save a lot of coding time