java判断字符串中是否有中文

 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;  
        }  
     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;  
        } 

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