我想要制作一个简单的图像旋转器,它将通过php数组中的一些设置图像进行旋转。数组正确放置图像,样式工作,甚至是淡化活动元素的JQuery。它只是找不到下一个元素并使用console.log(),我知道它正在计算正确的一个。我甚至试图在.eq()中放入一个数字(如3)来查看它是否会选择该元素,而不会。这里是我的代码:JQuery .eq选择器不选择元素
PHP代码:
$randomNumber = rand(0);
$performanceImages = array("09_15_11-Lorton_opening_088.jpg",
"09_15_11-Lorton_opening_120.jpg",
"09_15_11-Lorton_opening_123.jpg",
"09_15_11-Lorton_opening_125.jpg",
"09_15_11-Lorton_opening_126.jpg",
"09_15_11-Lorton_opening_128-150x150.jpg",
"09_15_11-Lorton_opening_131.jpg",
"09_15_11-Lorton_opening_132.jpg",
"09_15_11-Lorton_opening_135-199x300.jpg",
"09_15_11-Lorton_opening_137-150x150.jpg",
"09_15_11-Lorton_opening_144.jpg",
"09_15_11-Lorton_opening_161.jpg");
$randomNumber = rand(0, (sizeof($performanceImages) - 1));
for ($cnt = 0; $cnt < sizeof($performanceImages); $cnt++) {
if ($cnt == $randomNumber) {
echo '<div id="rotator-image" class="active" style="display:block;"><img src="'.get_bloginfo('template_directory').'/images/rotation-images/'.$performanceImages[$cnt].'" /></div>';
} else {
echo '<div id="rotator-image" style="display:none;"><img src="'.get_bloginfo('template_directory').'/images/rotation-images/'.$performanceImages[$cnt].'" /></div>';
}
}
CSS:
#sidebar-image-rotator {
width: 180px;
height: 263px;
position: relative;
}
#rotator-image {
position: absolute;
top: 0;
left: 0;
}
JQuery的:
function sidebarImageRotator(){
var count = $("#sidebar-image-rotator").children("#rotator-image").length;
//console.log(count);
var active = $('#rotator-image.active').index();
//console.log(active);
if ((active + 1) < count) {
var next = active + 1;
} else {
var next = 0;
}
//console.log(next);
//change div classes
$("#rotator-image.active").fadeOut('slow', function() {
$("#rotator-image.active").removeClass("active").css("display","none");
$('#sidebar-image-rotator').find('#rotator-image').eq(next).addClass('active').fadeIn('slow', function() {
$('#rotator-image.active').css('display', 'block');
})
});
}
function startTimer() {
//timer for the box
window.timer = window.setInterval(function() {
$("#sidebar-image-rotator").timer();
}, 7000);
jQuery.fn.timer = function() {
sidebarImageRotator();
}
}
startTimer所()被调用与页面加载。
如果这是JS相关的问题,请发布产生的HMTL而不是PHP。 – elclanrs
ID必须是唯一的。 – undefined