https://blog.youkuaiyun.com/Mr_Bobcp/article/details/118926680?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1.pc_relevant_default&utm_relevant_index=1
****注意:Base64.encode方法只支持字符串数据类型 所以对于对象需要进行JSON字符串的转换