list map轉換json格式數據以及相關的jar包 list轉換后格式： [{"address":"廣東省惠州","name":"tom","id":1,"age":23},{"address":"廣東省深圳市","name":"jone","id":2,"age":84}] map轉換后格式： {"address":"廣東省惠州","name":"tom","id":1,"age":23}