String str = "s是首发式fssf还ihsifh";
System.out.println(sprit(str, 5));
}
/**
* 截取汉字的程序 按照字节数截取 一个汉字2个字节,如输入: s是首发式fssf还ihsifh 截取3个字节 则应该打印s是
*
* @param str
* @param a
* @return
*/
public static String sprit(String str, int a) {
int index = 0;
try {
byte[] bytes = str.getBytes("GBK");
boolean falg = false;
for (int i = 0; i < a; i++) {
if (bytes[i] < 0 && !falg) {
falg = true;
} else {
index++;
falg = false;
}
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return str.substring(0, index);
}