A, json framework
json framework of the common market has jackson, gson, fastjson. It is more respected is fastjson, but springmvc default integration is jackson.
Suggest a project in a project just use a json framework.
Two, json usage scenarios
1、mvc
Although the body http json transmission format, but the actual string or daisy. We need to use json object receives conversion. Similarly, in the word string parsed into json format when returned to the browser.
2, remote http call