所以我创建了一个 erb 块,它遍历一组图像,然后在给定坐标处为每个图像显示 div.tagged。在这种特殊情况下,该块会遍历 4 个图像。我在下面创建的效果很好,但是标签的坐标已关闭。有任何想法吗?这是一个jsFiddle,它显示了运行中的代码。提前致谢。
再培训局:
<div class="container">
<% if @new_manual.present? %>
<% n = 0 %>
<% @new_manual.steps.each do |step| %>
<% n += 1 %>
<% i_connection = Contact.find(step.input_contact) %>
<span class="i_contact i_contact<%= n %>" data-pos-x="<%= i_connection.pos_x %>" data-pos-y="<%= i_connection.pos_y %>" data-pos-width="<%= i_connection.pos_width %>" data-pos-height="<%= i_connection.pos_height %>" ="spanid<%= n %>" data-index="<%= n %>"></span>
<% o_connection = Contact.find(step.output_contact) %>
<span class="o_contact o_contact<%= n %>" data-pos-x="<%= o_connection.pos_x %>" data-pos-y="<%= o_connection.pos_y %>" data-pos-width="<%= o_connection.pos_width %>" data-pos-height="<%= o_connection.pos_height %>" id="spanid<%= n %>" data-index="<%= n %>"> </span>
<% cord = CordType.find(step.contact_item) %>
<br>
<div class="main_panel">
<div style='margin: auto; width: 600px;'>
<div class="image_panel<%= n %>" style="float:left; width:600px; position:relative;">
<%= o_connection.product.full_name %> uses a <%= cord.name %> to plug into <%= i_connection.product.full_name %><br>
<%= image_tag(i_connection.image.image.url(:large)) %>
<div class="i_tagmap<%= n %>"></div>
</div>
</div>
</div>
<div class="main_panel">
<div style='margin: auto; width: 600px;'>
<div class="image_panel<%= n %>" style="float:left; width:600px; position:relative;">
<%= image_tag(o_connection.image.image.url(:large)) %>
<div class="o_tagmap<%= n %>"></div>
</div>
</div>
</div>
<% end %>
<% end %>
</div>
jQuery:
<script type="text/javascript">
$(document).ready(function(){
$('span.i_contact').each(function() {
var pos_width = $(this).data('pos-width');
var pos_height = $(this).data('pos-height');
var xpos = $(this).data('pos-x');
var ypos = ($(this).data('pos-y')) + -125;
console.log(ypos)
var taggedNode = $('<div class="tagged" />')
taggedNode.css({
"border":"5px solid red",
"width":pos_width,
"height":pos_height,
"left":xpos,
"top":ypos
});
var n = $(this).data('index')
$('.i_tagmap' + n).append(taggedNode)
});
$("span.o_contact").each(function() {
var pos_width = $(this).data('pos-width');
var pos_height = $(this).data('pos-height');
var xpos = $(this).data('pos-x');
var ypos = $(this).data('pos-y');
var taggedNode = $('<div class="tagged" />')
taggedNode.css({
"border":"5px solid red",
"width":pos_width,
"height":pos_height,
"left":xpos,
"top":ypos
});
var n = $(this).data('index')
$('.o_tagmap' + n).append(taggedNode)
});
});
</script>
CSS
.image_panel{
float:left;
width:600px;
position:relative;
}
.image_panel img{
left:0;top:0px;
max-width: 600px;
overflow: hidden;
}
.tagged {
position: absolute;
z-index: 3000;
}
.main_panel{
margin: auto;
padding: 10px;
width: 1000px;
}