我使用下面的代码让用户对他们更熟悉的编程语言进行排名。用户需要从1-3进行排名(1是他们最舒服的)
<form id="form1" name="form1" method="post" action="">
<input type="number" name="php" required="required" max="3" min="1"/>PHP <br />
<input type="number" name="python" required="required" max="3" min="1"/>Python <br />
<input type="number" name="ruby" required="required" max="3" min="1"/>Ruby <br /><br />
<input type="submit" name="button" id="button" value="Submit" />
</form>
一旦用户对编程语言进行了优先级排序并点击提交，我如何在下一页回应排名选择?(例如，你的第一选择是x，第二选择是y，第三选择是z)
我将这样做(注意，我已经更改了表单元素的name属性的值):
<form id="form1" name="form1" method="post" action="">
<input type="number" name="lang[php]" required="required" max="3" min="1"/>PHP <br />
<input type="number" name="lang[python]" required="required" max="3" min="1"/>Python <br />
<input type="number" name="lang[ruby]" required="required" max="3" min="1"/>Ruby <br /><br />
<input type="submit" name="button" id="button" value="Submit" />
</form>
在php中:
//Get the form results (which has been converted to an associative array) from the $_POST super global
$langs = $_POST['lang'];
//Sort the values by rank and keep the key associations.
asort($langs, SORT_NUMERIC );
//Loop over the array in rank order to print out the values.
foreach($langs as $lang => $rank)
{
//echo out here first, second, and third rank with each iteration respectively.
}
sort函数仅按值对数组进行排序，同时保持键关联。
我不确定标签输入类型="number"是否存在。
你做得更好
<legend>
<label><input type="radio" name="php" value="1">1</label>
<label><input type="radio" name="php" value="2">2</label>
<label><input type="radio" name="php" value="3">3</label>
</legend>
<legend>
<label><input type="radio" name="python" value="1">1</label>
<label><input type="radio" name="python" value="2">2</label>
<label><input type="radio" name="python" value="3">3</label>
</legend>
你不能在单选标签或复选框标签中使用'required'属性
所以你写了一个检查javascript函数是否选中了单选框
<form name..... onsubmit = "return check_submit();">
<script>
var check_submit = function(){
if($("input[name=php]:checked").val() =="")
return false;
...
return true;
}
</script>
或者
<input type="text" name="php">
那么在下一页你可以这样做
$php = intval(trim($_POST['php']));
$python = intval(trim($_POST['python']));
$msg = "your first choice for php is '.$php;
$msg.="your second choice for phthon is '.$python;
.....etc..