modify generateCartList
modify hasExistGoods
delere useless code
delete useless code
delete useless code
dont testcallback and refresh
getCurrentId dont test with callback
delete useless code
finish categoryManage test
updateCategory test without callback
test getAllCategories without callback
finish goodsManage test
finish goodsUpdate test
test changeClickCount without callback
finish main test
modify description
add emit clickCout
finish payList test
rename boughtGoodsService
finish addCartNum test without callback