类型，对象之间转换--工具类 相关

1.

Java 图片与byte数组互相转换

https://blog.youkuaiyun.com/huang9012/article/details/18241539

2.

 

Java字符串跟ASCII码互转

https://blog.youkuaiyun.com/kardelpeng/article/details/6291242

3.

 

JSON对象、中文乱码及时间转换-

https://blog.youkuaiyun.com/mouyong/article/details/68927154

4.

 

Gson将json转Map的那些坑

https://blog.youkuaiyun.com/u010887744/article/details/51997336

5.