[JAVA工具]判断字符串是否为中文

package com.airchina.test;

public class IsChineseOrNot {
	 // GENERAL_PUNCTUATION 判断中文的“号
	 // CJK_SYMBOLS_AND_PUNCTUATION 判断中文的。号
	 // HALFWIDTH_AND_FULLWIDTH_FORMS 判断中文的，号
	 private static final boolean isChinese(char c) {
	  Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
	  if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
	    || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
	    || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
	    || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
	    || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
	    || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {
	   return true;
	  }
	  return false;
	 }
	 public static final boolean isChinese(String strName) {
	  char[] ch = strName.toCharArray();
	  for (int i = 0; i < ch.length; i++) {
	   char c = ch[i];
	   if (isChinese(c)) {
	    return true;
	   }
	  }
	  return false;
	 }
	 public static void main(String[] args) {
	  System.out.println(isChinese("き"));
	  System.out.println(isChinese("test,.?!%^&*(){}[]"));
	  System.out.println(isChinese("测试"));
	  System.out.println(isChinese("“测试”，。？！%……&*（）——{}【】”"));
	 }
	 public static final boolean isChineseCharacter(String chineseStr) {
	  char[] charArray = chineseStr.toCharArray();
	  for (int i = 0; i < charArray.length; i++) {
	   if ((charArray[i] >= 0x4e00) && (charArray[i] <= 0x9fbb)) {
	    return true;
	   }
	  }
	  return false;
	 }
	 /**
	  * @deprecated; 弃用。和方法isChineseCharacter比效率太低。
	  * */
	 public static final boolean isChineseCharacter_f2() {
	  String str = "！？";
	  for (int i = 0; i < str.length(); i++) {
	   if (str.substring(i, i + 1).matches("[\\u4e00-\\u9fbb]+")) {
	    return true;
	   }
	  }
	  return false;
	 }
	}