计算中文或全角字符串的长度

    /**
     *  根据输入的字符串计算出其长度，支持中文和全角字符
     * @param str
     * @return
     */
    public static Integer length(String str){
        char[] chars_ss = str.toCharArray();
        Integer StringLength = 0;
        for (int i = 0; i < chars_ss.length; i++) {
            String temp = String.valueOf(chars_ss[i]);
            Integer charLength = 1;
            // 判断是全角字符 // "[u4e00-u9fa5]" 中文字符
            if (temp.matches("[^\x00-\xff]")) {
                charLength = 2;
            }
            StringLength += charLength;
        }
        return StringLength;
    }