Map<String, 实体类> titleMap=JSON.parseObject(JSON字符串, new TypeReference<HashMap<String, 实体类>>() {});
Student student = JSON.parseObject(JSON_OBJ_STR, new TypeReference<Student>() {});
Java FastJson解析json字符串
原文：https://www.cnblogs.com/chenyanbin/p/13398632.html
