Question

java类型不匹配：不能从 StringBuffer 转换为 byte[]

能转吗？怎么转？

Answer 1

先闷氏薯转核冲成String,
String s = sb.toString;
再转成byte数蚂者组.
byte[] bytes = s.getbytes;

Answer 2

.toString().getBytes("UTF-8");?

Answer 3

不能吧