Java字符串中是否包含中文或中文符号

原文路径：http://www.cnblogs.com/zgz345/p/3429542.html

    

            public static boolean hasChinese(String str) {
	    	char[] ch = str.toCharArray();
	        for (int i = 0; i < ch.length; i++) {
	            char c = ch[i];
	            if (isChinese(c)) {
	                return true;
	            }
	        }
	        return false;
	    }
	    
	    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.GENERAL_PUNCTUATION
	                || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
	                || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {
	            return true;
	        }
	        return false;
	    }
	    
	    public static void main(String[] args) {
	    	String s0 = "abcdef";
	    	String s1 = "abc中国def";
	    	String s2 = "abc。def";
	    	String s3 = "abc（def）";
	    	System.out.println("s0:" + hasChinese(s0));//false
	    	System.out.println("s1:" + hasChinese(s1));//true
	    	System.out.println("s2:" + hasChinese(s2));//true
	    	System.out.println("s3:" + hasChinese(s3));//true
	    }