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按字节截取含有中文汉字的字符串
public static void main(String[] args) throws UnsupportedEncodingException {
// TODO Auto-generated method stub
// 原始字符串
String s = "我ZWR爱JAVA";
System.out.println("原始字符串：" + s);
try {
System.out.println("截取前1位：" + CutString.substring(s, 1));
System.out.println("截取前2位：" + CutString.substring(s, 2));
System.out.println("截取前4位：" + CutString.substring(s, 4));
System.out.println("截取前6位：" + CutString.substring(s, 6));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
public static String substring(String orignal, int count) throws UnsupportedEncodingException{
if(!"".equals(orignal) && orignal != null){
// 将原始字符串转换为GBK编码格式
orignal = new String(orignal.getBytes(), "GBK");
if(count > 0 && count < orignal.length()){
StringBuffer sb = new StringBuffer();
char c;
for (int i = 0; i < count; i++) {
c = orignal.charAt(i);
sb.append(c);
if(isChineseChar(c)){
// 遇到中文汉字，截取字节总数减1
--count;
}
}
return sb.toString();
}
}
return orignal;
}
//判断是否是一个中文汉字
public static boolean isChineseChar(char c) throws UnsupportedEncodingException{
return String.valueOf(c).getBytes("GBK").length > 1;
}
最后更新：2017-04-02 06:52:08