输出从m到n的值(PHP实例)

来源：互联网发布：宇通金龙知乎编辑：程序博客网时间：2024/05/01 18:53

首先建立一个html文件，创建表单。增加两个文本text表单用来传递数据，再建立一个php文件用来接收表单传递过来的数据，把传递过来的两个数值，从m到n利用for循环赋值给数组。再应用smarty模板，创建一个tpl文件。利用这个tpl文件显示php文件中的数组。

利用if语句判断，if $array[el]%$num_cate==0、判断这些数中是否能被要整除的数整除。

输出从m到n中的奇数与偶数。

.html

<!DOCTYPE html PUBLIC "-//W3C//DTDXHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<htmlxmlns="http://www.w3.org/1999/xhtml">

<head>

<metahttp-equiv="Content-Type" content="text/html;charset=utf-8" />

function submit_even(){

document.getElementById("num_scope").action="num.php?num=even";

document.getElementById("num_scope").submit();

}

function submit_odd(){

document.getElementById("num_scope").action="num.php?num=odd";

document.getElementById("num_scope").submit();

}

function submit_else(){

varnum = document.getElementById("c_num").value;

document.getElementById("num_scope").action="num.php?num="+num;

document.getElementById("num_scope").submit();

}

</script>

<title>无标题文档</title>

</head>

<body>

请输入数值范围<inputtype="text" name="num_start" size="4" />到<input type="text"name="num_end" size="4" /><br />

</form>

输出能被<inputid="c_num" type="text" size="4" />整除的数 

</form>

</body>

</html>

______________________________________________________________________

.php

<?php

$start = $_POST["num_start"];

$end = $_POST["num_end"];

$num_cate = $_GET["num"];

$array = array();

$count = $end-$start;

/*for($i=0;$i<=$count;$i++){

$array[$i]=$start;

$start++;

}*/

for($i=$start;$i<=$end;$i++){

$array[]=$i;

}

include("Smarty/libs/Smarty.class.php");

$smarty = new Smarty();

$smarty->reInitSmarty("Smarty/demo/templates","Smarty/demo/templates_c","Smarty/demo/configs");

$smarty->assign("array",$array);

$smarty->assign("num_cate",$num_cate);

$smarty->display("num.tpl");

_______________________________________________________________________________

.tpl

<{if $num_cate eq "even"}>

<{foreach from=$array item=valuename="e"}>

<{if $value is even}>

数组中第<{$smarty.foreach.e.iteration}>个偶数是：<{$value}><br/><{/if}>

<{/foreach}>

<{elseif $num_cate eq"odd"}>

<{section name="odd"loop=$array}>

<{if $array[odd] is odd}>

数组中第<{$smarty.section.odd.index}>个偶数是：<{$array[odd]}><br/>

<{/if}>

<{/section}>

<{else}>

<{section name="el"loop=$array}>

<{if $array[el]%$num_cate==0}>

数组中第<{$smarty.section.el.index}>个能被<{$num_cate}>整除的数是：<{$array[el]}><br/>

<{/if}>

<{/section}>

<{/if}>

</body>

</html>