- // 判断一个字符串是否都为数字
- public boolean isDigit(String strNum) {
- return strNum.matches("[0-9]{1,}");
- }
- // 判断一个字符串是否都为数字
- public boolean isDigit(String strNum) {
- Pattern pattern = Pattern.compile("[0-9]{1,}");
- Matcher matcher = pattern.matcher((CharSequence) strNum);
- return matcher.matches();
- }
