mosify paaword of JABC
modify in views
modify url
modify controller mapping
modify categoryManage view
replace ID to id
modify restController mapping path to /
modify http request
can get category name
rename getCategories
correct http
add num to category
add getItemByCategoryId method
modify getCategories and getCategoryById method
modify test of categoryService
delete useless codes
don not resert into cartItems
delete useless codes
modify categoryManageService post and put request
modify request