将字符串转成byte[]
String str;
String charset;
str.getBytes(charset);
标准charset集
US-ASCII
ISO-8859-1
UTF-8
UTF-16BE
UTF-16LE
UTF-16
将字符串转成byte[]
String str;
String charset;
str.getBytes(charset);
标准charset集
US-ASCII
ISO-8859-1
UTF-8
UTF-16BE
UTF-16LE
UTF-16