Scanner inn = new Scanner(System.in); int i = inn.nextInt(); System.out.println("个位是"+i%10+"十位是"+i/10%10+"百位是"+i/100%10+"千位是"+i/1000%10); Scanner inn = new Scanner(System.in); String s = inn.next(); for (int i=0;i&l
$("input[name='fangwenyudinhuishu']").keyup(function(){ var tmptxt=$(this).val(); $(this).val(tmptxt.replace(/\D|^0/g,'')); }).bind("paste",function(){ var tmptxt=$(this).val(); $(this).val(tmptxt.replace(/\D|^0/g,'')); }).css("im
第一种情况:且限制小数点前最大3位数,小数点后最大3为三位 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><met