我有注册的用户列表
table:ch_users
我的PHP代码旨在选择所有用户并获取。
ch_user包含(userId,name,quote,position,thumbnail,hover_image)
我想要实现的是每当用户悬停特定图像时。将出现另一张图片。
这是我目前的代码。
<div id="gallery-container1">
<div class="row-content1">
<?php
try{
$connect = new PDO("mysql:host=$host;dbname=$database", $username, $password);
$connect->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$query = "SELECT * FROM ch_users";
$data = $connect->query($query);
foreach($data as $instructor_row){
?>
<div class="img-container1">
<div class="img-content1">
<a href="#">
<img src="img/instructors/<?php echo $instructor_row['thumbnail'];?>" />
</a>
</div>
</div>
<?php
}//end of foreach
}//end of try
catch(PDOException $error)
{
$error->getMessage();
}
?>
<div class="clearfix"></div>
</div>
</div>
CSS:
#gallery-container1{
margin-top:15vh;
text-align:center;
margin-bottom:10vh;
}
.img-container1 {
width:16.5%;
display:inline-block;
margin-bottom:30px;
}
.img-content1 {
padding:0;
height:auto;
overflow:hidden;
box-shadow:0 .8px .8px #ccc;
width:80%;
}
.img-content1 img {
width:100%;
height:auto;
}
.clearfix {
clear:both;
}
@media only screen and (max-width: 560px) {
.img-container1 {
width:98%;
margin-left:10%;
}
}
@media only screen and (min-width: 600px)and (max-width: 900px) {
.img-container1 {
width:38%;
padding:1%;
}
}
我一直在关注一些线索。主要是改变img的属性SRC。 JS是合适的方式。所以我想出了这段代码的想法。但我不知道如何实现这一点。
<script>
function hover(element) {
element.setAttribute('src', 'img/instructor/5h.jpg');
}
function unhover(element) {
element.setAttribute('src', 'img/instructor/5.jpg');
}
</script>
<div class="img-container1">
<div class="img-content1">
<a href="#">
<img src="img/instructor/<?php echo $instructors_row['thumbnail'];?>" onmouseover="hover(this);" onmouseout="unhover(this);" />
</a>
</div>
</div>
$ instructor_row [ “hover_image”];是一个包含图像的字段,只要用户悬停所提取的图像,该图像就会出现。
您无需使用Javascript即可实现此目的。尝试以下内容:
PHP:
<div class="img-container1">
<div class="img-content1">
<a href="#">
<img src="img/instructors/<?php echo $instructor_row['thumbnail'];?>" class="thumbnail">
<img src="img/instructors/<?php echo $instructor_row['hover_image'];?>" class="hover-image">
</a>
</div>
</div>
CSS:
.img-content1 > img.hover-image,
.img-content1:hover > img.thumbnail {
display: none;
}
.img-content1:hover > img.hover-image {
display: block;
}