如何使用php preSelect html下拉列表？ [英] How to preSelect an html dropdown list with php?

问题描述

下面是我迄今为止所尝试的代码：

 < select> 
< option value =1>是< / options> 
< option value =2>否< / options> 
< option value =3> Fine< / options> 
< / select> 
< input type =textvalue =name =name> 
< input type =submitvalue =goname =go> 
  

那么我该怎么办？

解决方案

程序员懒惰...呃....高效...我会这样做：

< pre class =lang-php prettyprint-override> < select><？php
$ the_key = 1; // or whatever you want
foreach（array（
1 =>'Yes'，
2 =>'No'，
3 =>'Fine'
）as $ key => $ val）{
？>< option value =<？php echo $ key;？><？php
if（ $ key == $ the_key）echo'selected =selected';
？>><？php echo $ val; ？>< / option><？php
}
？>< / select>
< input type =textvalue =name =name>
< input type =submitvalue =goname =go>


I am trying to get the option selected using PHP, but I ran out of ideas!

Below is the code I have tried until now:

<select>
<option value="1">Yes</options>
<option value="2">No</options>
<option value="3">Fine</options>
</select>
<input type="text" value="" name="name">
<input type="submit" value="go" name="go">

So, what do I have to do?

解决方案

Programmers are lazy...er....efficient....I'd do it like so:

<select><?php
    $the_key = 1; // or whatever you want
    foreach(array(
        1 => 'Yes',
        2 => 'No',
        3 => 'Fine',
    ) as $key => $val){
        ?><option value="<?php echo $key; ?>"<?php
            if($key==$the_key)echo ' selected="selected"';
        ?>><?php echo $val; ?></option><?php
    }
?></select>
<input type="text" value="" name="name">
<input type="submit" value="go" name="go">

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