fastjson List<> 转Json , Json 转List<>

For example List<Strudent>

List to Json

List<Student> students = new ArrayList();
String str = JSON.toJSONString(students); // List转json

Json to List 

String str = ""; //获取的Json数据
List<Student> students = JSON.parseObject(str,new TypeReference<List<Student>>(){}); // Json 转List