在PHP 中使用round()函数显示一个数字到两位小数 round()函数用于舍入数字或浮点数。我们可以将数字四舍五入到所需的小数位。使用此函数的正确语法如下 round($number,$decimalPlaces,$mode); 示例代码: <?php$number1=5;$number2=34.6;$number3=15439.093;$format_number1=round($number1,2);$format_number...
codingbeauty.medium.com/javascript-round-number-to-2-decimal-places-3537ad0736f7 要在 JavaScript 中将数字四舍五入到小数点后两位...toFixed() 会将数字四舍五入并将其格式化为小数点后两位。...num.toFixed(2); const result = Number(strResult); console.log(strResult); //10.00 console.log(resul...
select round('1.67789',2,1) /* 1.67*/js实现截取字符串后几位 var strs ="wdsdabcdefages" strs.substring(obj.filename.lastIndexOf("a")+1,strs.length)java截取小数点后两位 String a = "123.3445776";int i = a.indexOf(".");System.out.println(a.substring(0, i+3));System.out.print...
舍入到小数点后2位php round(520.34345, 2); // 520.34 3 0 php float2decimais $foo = "105"; echo number_format((float)$foo, 2, '.', ''); 1 0 php中小数点后两位数 echo round(520.34345, 2); // 520.34 echo round(520.3, 2); // 520.3 echo round(520, 2); // 520 0 0...
例如,ROUND(10.004,2) 返回 10,而不是 10.00。...当舍入到固定的小数位数很重要时使用 $JUSTIFY - 例如,在表示货币金额时。 $JUSTIFY 在舍入操作之后返回指定数量的尾随零。当要舍入的位数大于小数位数时,$JUSTIFY 补零。 如何在 JavaScript 中将数字四舍五入到小数点后两位 = Number(num.toFixed(2)); ...
Here we are using two floating point variables val1 and val2. Then we are using the predefined function named as round () which is round off floating values up to two decimal places and then compare it. Here We are using the predefined round() function to get our expected result in the...
参见 variant_int() - Returns the integer portion of a variant variant_round() - Rounds a variant to the specified number of decimal places floor() - 舍去法取整 ceil() - 进一法取整 round() - 对浮点数进行四舍五入版权信息 PHP 手册 序言...
<? echo round((69.1-floor(69.1))); ?> This returns 0.1 and is the workaround we use. Note that <? echo (4.1-floor(4.1)); ?> *does* return 0.1 - so if you, like us, test this with low numbers, you won't, like us, understand why all of a sudden your script stops working...
function round_up ($value, $places=0) { if ($places < 0) { $places = 0; }$mult = pow(10, $places); return ceil($value * $mult) / $mult; }// round_out: // rounds a float away from zero to a specified number of decimal placesfunction round_out ($value, $places=0...
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