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938天前import java.io.UnsupportedEncodingException; |
public class CutString { |
public static void main(String[] args) throws UnsupportedEncodingException { |
String s = "我们DEF"; |
int n = 5; |
String str = cutString(s, n); |
System.out.println(str); |
} |
private static String cutString(String s, int n) |
throws UnsupportedEncodingException { |
// TODO Auto-generated method stub |
if (s != null && "".equals(s)) { |
s = new String(s.getBytes(), "GBK"); |
} |
StringBuffer buffer = new StringBuffer(); |
if (n != 0 && n < s.getBytes("GBK").length) { |
for (int i = 0; i < n; i++) { |
char c = s.charAt(i); |
buffer.append(c); |
// System.out.println("buffer=" + buffer.toString()); |
if (CutString.isChinens(c)) { |
--n; |
} |
} |
} |
return buffer.toString(); |
} |
private static boolean isChinens(char c) |
throws UnsupportedEncodingException { |
// TODO Auto-generated method stub |
if (String.valueOf(c).getBytes("GBK").length > 1) { |
return true; |
} else { |
return false; |
} |
} |
} |
