Merge pull request #4 from xinwei76/master

commit recruit data model
Merge pull request #5 from xinwei76/master

edit data model
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
定义包结构，类文件命名方式
定义包结构以及类命名方式
Merge pull request #6 from ticmy/master

define the package and class name style
Update README.md
Update README.md
Merge pull request #7 from xinwei76/master

change the location of data model
commit recruit data model
edit data model
Update README.md
Update README.md