java对象和json数据转换实现方式2-使用gson实现
1,"typename":"nnn1","price":"20"}],"id":1,"name":"name1"} json3:[{"typeid":1,"typename":"nnn1","price":"20"},{"typeid":1,"typename":"nnn1","price":"20"}]json4:[{"typeid":1.0,"typename":"nnn1","price":"20"},{"typeid":1.0,...