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java判断中文汉字工具类
代码语言：javascript复制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'));// false
System.out.println(isChineseWord('我'));// true
System.out.println(containsChinese("a我b"));// true
System.out.println(containsChineseWords("a，b")); // false
}
