[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; }}