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php保留小数和toFixed的用法

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Release: 2016-06-06 19:46:30
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欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入 php保留小数和js四舍五入函数toFixed的用法: html head /head script type="text/javascript" document.write("h1php保留小数和js四舍五入函数toFixed的用法-php自学网/h1br"); var a=2.151213123123

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  php保留小数和js四舍五入函数toFixed的用法:

  

  

  

  document.write("

php保留小数和js四舍五入函数toFixed的用法-php自学网


");

  var a=2.1512131231231321;

  document.write("原来的值:"+a+"
");

  document.write("两位小数点:"+a.toFixed(2)+"
四位小数点"+a.toFixed(4));

  

  

  

  

  php保留两位小数例子 - 四舍五入

  1.number_format

  $number = 1234.5678;

  $nombre_format_francais = number_format($number, 2, ',', ' '); // 1 234,57

  $english_format_number = number_format($number, 2, '.', ''); // 1234.57

  2.round

  $number = 1234.5678; echo round($number ,2); //1234.57

  3.sprintf

  $formatted = sprintf ("%s有¥%01.2f。",$name, $money);

  echo $formatted; //张三有¥123.10。

php保留小数和toFixed的用法

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