java判断中文汉字工具类

package com.wlkj.util;import java.util.regex.Matcher;
import java.util.regex.Pattern;import net.sourceforge.pinyin4j.PinyinHelper;public class ChineseUtil {/*** 判断中文字符* @param c* @return*/public static 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.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B ||ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION ||ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS ||ub == Character.UnicodeBlock.GENERAL_PUNCTUATION){return true;}return false;}/*** 包含中文字符* @param str* @return*/public static boolean containsChinese(String str){char[] ch = str.toCharArray();for(char c : ch){if(isChinese(c)){return true;}}return false;}/*** 是否中文（非标点符号）* @param c* @return*/public static boolean isChineseWord(char c) {char[] ch = {c};Pattern pattern = Pattern.compile("([\u4E00-\uFA29]|[\uE7C7-\uE7F3])");Matcher matcher = pattern.matcher(new String(ch));return matcher.find();}/*** 包含汉字（非标点符号）* @param name* @return*/public static boolean containsChineseWords(String name) {Pattern pattern = Pattern.compile("^.*([\u4E00-\uFA29]|[\uE7C7-\uE7F3])+.*$");Matcher matcher = pattern.matcher(name);return matcher.find();}/*** 转换成拼音字母缩写* @param str* @return abbr*/public static String toPinyinAbbr(String str){String abbr = "";for(char c : str.toCharArray()){if(ChineseUtil.isChineseWord(c)){abbr += PinyinHelper.toHanyuPinyinStringArray(c)[0].substring(0, 1).toUpperCase();}}return abbr;}public static void main(String[] args) {System.out.println(isChinese('め'));// falseSystem.out.println(isChineseWord('我'));// trueSystem.out.println(containsChinese("a我b"));// trueSystem.out.println(containsChineseWords("a，b")); // false}
}

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