add new CreateItem
Merge pull request #155 from huyuanzhe/data2_yuanzhe

Data#40 yuanzhe->xiquan
correct conflict
new function createItem();modify function addData()
no call back from addData();add sortObj() interface
fix bug:correct extra file tages
add:sortObj()
Merge pull request #156 from shuanzi/data2_xiquan

data2_xiquan->yuanzhe
improve method for create item