1、服务器端判断: public boolean isNumeric(String s){
boolean flag = true;
char[] numbers = s.toCharArray();
for (int i = 0; i < numbers.length; i++) {
if (!Character.isDigit(numbers[i])){
flag = false;
}
}
return flag;
} 2、客户端判断
<input onkeyup="value=value.replace(/[^\d]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))">加一个onkeyup正则判断,只能输入数字~
boolean flag = true;
char[] numbers = s.toCharArray();
for (int i = 0; i < numbers.length; i++) {
if (!Character.isDigit(numbers[i])){
flag = false;
}
}
return flag;
} 2、客户端判断
<input onkeyup="value=value.replace(/[^\d]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))">加一个onkeyup正则判断,只能输入数字~
csdn有6星的吗?