<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width">
<meta http-equiv="X-UA-Compatible" content="IE=8">
<title>购物商城</title>
<style>
*{
margin: 0;
padding: 0;
}
.outer{
position:relative;
width:350px;
height:350px;
border:1px solid black;
}
.outer .small-box{
position: relative;
z-index: 1;
}
.outer .small-box .mark{
position: absolute;
display: block;
width: 350px;
height: 350px;
background-color: #fff;
filter: alpha(opacity=0);
opacity: 0;
z-index: 10;
}
.outer .small-box .float-box{
display: none;
width: 175px;
height: 175px;
position: absolute;
background: #DAEEFC;
filter: alpha(opacity=40);
opacity: 0.4;
}
.outer .big-box{
position: absolute;
top: 0;
left: 351px;
width: 350px;
height: 350px;
overflow: hidden;
border: 1px solid transparent;
z-index: 1;
}
.outer .big-box img{
position: absolute;
z-index: 5
}
</style>
</head>
<body>
<div class="outer">
<div class="small-box">
<div class="mark"></div>
<div class="float-box" ></div>
<img width="350" height="350" src="../../css/1.jpg">
</div>
<div>
<img width="900px" height="900px" src="../../css/1.jpg" >
</div>
</div>
<script src="../../jquery-1.12.4.js"></script>
<script>
$(function(){
$(".mark").mouseover(function () {
$(".float-box").css("display","block");
$(".big-box").css("display","block");
});
$(".mark").mouseout(function () {
$(".float-box").css("display","none");
$(".big-box").css("display","none");
});
$(".mark").mousemove(function (e) {
var _event = e || window.event; //兼容多个浏览器的event参数模式
var float_box_width = $(".float-box")[0].offsetWidth;
var float_box_height = $(".float-box")[0].offsetHeight;//175,175
var float_box_width_half = float_box_width / 2;
var float_box_height_half = float_box_height/ 2;//87.5,87.5
var small_box_width = $(".outer")[0].offsetWidth;
var small_box_height = $(".outer")[0].offsetHeight;//360,360
var mouse_left = _event.clientX - float_box_width_half;
var mouse_top = _event.clientY - float_box_height_half;
if (mouse_left < 0) {
mouse_left = 0;
} else if (mouse_left > small_box_width - float_box_width) {
mouse_left = small_box_width - float_box_width;
}
if (mouse_top < 0) {
mouse_top = 0;
} else if (mouse_top > small_box_height - float_box_height) {
mouse_top = small_box_height - float_box_height;
}
$(".float-box").css("left",mouse_left + "px");
$(".float-box").css("top",mouse_top + "px");
var percentX = ($(".big-box img")[0].offsetWidth - $(".big-box")[0].offsetWidth) / (small_box_width - float_box_width);
var percentY = ($(".big-box img")[0].offsetHeight - $(".big-box")[0].offsetHeight) / (small_box_height - float_box_height);
console.log($(".big-box img")[0].offsetWidth,$(".big-box")[0].offsetWidth,small_box_width,float_box_width)
console.log(percentX,percentY)
$(".big-box img").css("left",-percentX * mouse_left + "px");
$(".big-box img").css("top",-percentY * mouse_top + "px")
})
})
</script>
</body>
</html>
不要被任何人打乱自的脚步，因为没有谁会像你一样清楚和在乎自己梦想。没有人可以打倒我，除非我自己先趴下！
