/**     *  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;    }