/// <reference path="../jquery11.js" />
(function ($) {
$.fn.extend({
jqoom: function (potions) {
var settings = {
width: 350,
height: 350,
position: "right"
}
if (potions) {
$.extend(settings, potions);
}
var ImgUrl = $("img", this).attr("src");
var ImgMinWidth = $("img", this).width();
var ImgMinHeigth = $("img", this).height();
var ImgWidth = 0;
var ImgHeight = 0;
var de = true;
$(this).hover(function (e) {
}, function () {
$("#jqoomz").remove();
$(document).unbind("mousemove");
$("#jqoomy").remove();
de = true;
});
$("img", this).hover(function (e) {
var pagex = e.x || e.pageX;
var pagey = e.y || e.pageY;
var pagex1 = 0;
var pagey1 = 0;
var leftcha = 0;
var topcha = 0;
_this = $(this).parents("div");
if ($("#jqoomz").length == 0) {
_this.after("<div id='jqoomz'></div>");
var obj = new Image();
obj.src = ImgUrl;
obj.onload = function () {
if (de && obj.height > 0) {
de = false;
ImgWidth = obj.width;
ImgHeight = obj.height;
finder.call(_this.find("img")[0]);
}
};
$("#jqoomz").width(settings.width).height(settings.height).offset({
left: $(_this).outerWidth() + $(_this).offset().left,
top: $(_this)[0].offsetTop
}).append($("<img></img>").attr("src", ImgUrl));
if (de && obj.height > 0) {
de = false;
ImgWidth = obj.width;
ImgHeight = obj.height;
finder.call(this);
}
}
function mover(event) {
var pagex2 = event.x || event.pageX;
var pagey2 = event.y || event.pageY;
if (parseInt(pagex2 + leftcha) <= parseInt($(_this).width() + $(_this).offset().left) && pagex2 >= leftcha + $(_this).offset().left) {
$(this).offset({left: pagex2 - leftcha});
} else {
if (parseInt(pagex2 + leftcha) > parseInt($(_this).width() + $(_this).offset().left) && pagex2)
$(this).offset({left: $(_this).width() + $(_this).offset().left - leftcha * 2});
else
$(this).offset({left: $(_this).offset().left});
}
if (parseInt(pagey2 + topcha) <= parseInt($(_this).height() + $(_this).offset().top) && pagey2 >= topcha + $(_this).offset().top) {
$(this).offset({top: (pagey2 - topcha)});
//document.getElementById("move").style.top = (pagey2 - (this.pagey - this.divtop)).toString() + "px";
} else {
if (parseInt(pagey2 + topcha) > parseInt($(_this).height() + $(_this).offset().top))
$(this).offset({top: ($(_this).height() + $(_this).offset().top - topcha * 2)});
//document.getElementById("move").style.top = (this.height - this.divHeight).toString() + "px";
else
$(this).offset({top: $(_this).offset().top});
//document.getElementById("move").style.top = "0px"
}
var bilx = ($(this).offset().left - $(_this).offset().left) / (ImgMinWidth / ImgWidth);
var bily = ($(this).offset().top - $(_this).offset().top) / (ImgMinHeigth / ImgHeight);
$("#jqoomz img").css({"margin-left": -bilx, "margin-top": -bily});
}
function finder() {
if (parseFloat($(this).offset().top + $(this).height() - (ImgMinHeigth / ImgHeight * ImgMinHeigth)) >=
parseFloat(pagey - ImgMinHeigth / ImgHeight * ImgMinHeigth / 2) && parseFloat(pagey - ImgMinHeigth / ImgHeight * ImgMinHeigth / 2) >=
parseFloat($(this).offset().top)) {
pagey1 = (pagey - ImgMinHeigth / ImgHeight * ImgMinHeigth / 2);
} else {
if ((pagey - ImgMinHeigth / ImgHeight * ImgMinHeigth / 2) < $(this).offset().top) {
pagey1 = $(this).offset().top;
} else {
pagey1 = ($(this).offset().top + $(this).height() - (ImgMinHeigth / ImgHeight * ImgMinHeigth));
}
}
if (($(this).offset().left + $(this).width() - ImgMinWidth / ImgWidth * ImgMinWidth) >=
(pagex - ImgMinWidth / ImgWidth * ImgMinWidth / 2) && (pagex - ImgMinWidth / ImgWidth * ImgMinWidth / 2) >=
$(this).offset().left) {
pagex1 = (pagex - ImgMinWidth / ImgWidth * ImgMinWidth / 2);
} else {
if ((pagex - ImgMinWidth / ImgWidth * ImgMinWidth / 2) < $(this).offset().left) {
pagex1 = $(this).offset().left;
} else {
pagex1 = ($(this).offset().left + $(this).width() - ImgMinWidth / ImgWidth * ImgMinWidth);
}
}
leftcha = ImgMinWidth / ImgWidth * ImgMinWidth / 2;
topcha = ImgMinHeigth / ImgHeight * ImgMinHeigth / 2;
if ($("#jqoomy").length == 0) {
$(this).after("<div id='jqoomy'></div>")
.siblings("#jqoomy")
.addClass("jqoomy").show()
.width((ImgMinWidth / ImgWidth * ImgMinWidth))
.height((ImgMinHeigth / ImgHeight * ImgMinHeigth)).offset({
top: pagey1,
left: pagex1
});
}
$(document).on("mousemove", $.proxy(mover, $("#jqoomy")));
}
}, function () {
});
}
});
})(jQuery);
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="jquery11.js"></script>
<script src="OppJqoom.js"></script>
<style type="text/css">
.jqoom
{
width: 350px;
height: 350px;
border: solid 1px #DFDFDF;
z-index: 10;
}
.jqoom img
{
cursor: pointer;
z-index: 10;
max-height: 350px;
max-width: 350px;
}
.jqoomy
{
background-color: white;
position: relative;
z-index: 999;
opacity: 0.5;
cursor: pointer;
border: solid 1px #DFDFDF;
}
#jqoomz
{
border: solid 1px #DFDFDF;
position: absolute;
overflow: hidden;
}
.lef
{
border: 1px solid #DFDFDF;
display: block;
height: 72px;
line-height: 72px;
text-align: center;
text-decoration: none;
width: 10px;
background-color:#EBEBEB;
float:left;
}
.lef:hover
{
color:red;
}
.jqooz
{
float:left;
width:352px;
margin-top:20px;
}
.jqooz ul
{
float: left;
margin: 0;
padding: 0;
width:328px;
height:72px;
}
.jqooz ul li
{
display: inline;
list-style: none outside none;
margin: 0 10px;
}
.jqooz ul li img
{
border: 1px solid #DFDFDF;
max-height: 72px;
max-width: 120px;
}
.jqooz ul li img:hover
{
border: 1px solid #ff6600;
}
</style>
<script type="text/javascript">
$(function () {
$(".jqoom").jqoom();
});
</script>
</head>
<body>
<div class="jqoom">
<img src="b3.jpg" />
</div>
<div class="jqooz">
<a href="javascript:void(0)" class="lef"><</a>
<ul>
<li><a>
<img src="b3.jpg" /></a></li>
</ul>
<a href="javascript:void(0)" class="lef">></a>
</div>
</body>
</html>
/**
* Created by on 2016/11/2.
*/
(function ($) {
//构造函数逻辑主线路
var OppJqoom = function (_this, potions) {
this._this = _this;
this.ImgUrl = $("img", this._this).attr("src");
this.ImgMinWidth = $("img", this._this).width();
this.ImgMinHeigth = $("img", this._this).height();
this.ImgWidth ,this.ImgHeight ,this.leftcha,this.topcha;
var settings = {
width: 350,
height: 350,
position: "right"
}
$.extend(this,settings);
if (potions) {
$.extend(this, potions);
}
this.domOperation.Jqoomhover.call(this);
this.domOperation.imghover.call(this);
};
OppJqoom.prototype = {
// 第一层 算法层
basicOperation: {
/* 获取遮罩层的top和left*/
finder: function (that) {
var pagey1, pagex1;
if (parseFloat($(this).offset().top + $(this).height() - (that.ImgMinHeigth / that.ImgHeight * that.ImgMinHeigth)) >=
parseFloat(this.pagey - that.ImgMinHeigth / that.ImgHeight * that.ImgMinHeigth / 2) && parseFloat(this.pagey - that.ImgMinHeigth / that.ImgHeight * that.ImgMinHeigth / 2) >=
parseFloat($(this).offset().top)) {
pagey1 = (this.pagey - that.ImgMinHeigth / that.ImgHeight * that.ImgMinHeigth / 2);
} else {
if ((this.pagey - that.ImgMinHeigth / that.ImgHeight * that.ImgMinHeigth / 2) < $(this).offset().top) {
pagey1 = $(this).offset().top;
} else {
pagey1 = ($(this).offset().top + $(this).height() - (that.ImgMinHeigth / that.ImgHeight * that.ImgMinHeigth));
}
}
if (($(this).offset().left + $(this).width() - that.ImgMinWidth / that.ImgWidth * that.ImgMinWidth) >=
(this.pagex - that.ImgMinWidth / that.ImgWidth * that.ImgMinWidth / 2) && (this.pagex - that.ImgMinWidth / that.ImgWidth * that.ImgMinWidth / 2) >=
$(this).offset().left) {
pagex1 = (this.pagex - that.ImgMinWidth / that.ImgWidth * that.ImgMinWidth / 2);
} else {
if ((this.pagex - that.ImgMinWidth / that.ImgWidth * that.ImgMinWidth / 2) < $(this).offset().left) {
pagex1 = $(this).offset().left;
} else {
pagex1 = ($(this).offset().left + $(this).width() - that.ImgMinWidth / that.ImgWidth * that.ImgMinWidth);
}
}
that.leftcha = that.ImgMinWidth / that.ImgWidth * that.ImgMinWidth / 2;
that.topcha = that.ImgMinHeigth / that.ImgHeight * that.ImgMinHeigth / 2;
that.domOperation.docMousemove.call(that);
return {top: pagey1, left: pagex1};
},
// 放大镜的图片的top和left
mover: function (that) {
if (parseInt(that.pagex2 + that.leftcha) <= parseInt(that._this.width() + that._this.offset().left) && that.pagex2 >= that.leftcha + that._this.offset().left) {
$(this).offset({left: that.pagex2 - that.leftcha});
} else {
if (parseInt(that.pagex2 + that.leftcha) > parseInt(that._this.width() + that._this.offset().left) && that.pagex2)
$(this).offset({left: that._this.width() + that._this.offset().left - that.leftcha * 2});
else
$(this).offset({left: that._this.offset().left});
}
if (parseInt(that.pagey2 + that.topcha) <= parseInt(that._this.height() + that._this.offset().top) && that.pagey2 >= that.topcha + that._this.offset().top) {
$(this).offset({top: (that.pagey2 - that.topcha)});
//document.getElementById("move").style.top = (pagey2 - (this.pagey - this.divtop)).toString() + "px";
} else {
if (parseInt(that.pagey2 + that.topcha) > parseInt(that._this.height() + that._this.offset().top))
$(this).offset({top: (that._this.height() + that._this.offset().top - that.topcha * 2)});
//document.getElementById("move").style.top = (this.height - this.divHeight).toString() + "px";
else
$(this).offset({top: that._this.offset().top});
//document.getElementById("move").style.top = "0px"
}
var bilx = ($(this).offset().left - that._this.offset().left) / (that.ImgMinWidth / that.ImgWidth);
var bily = ($(this).offset().top - that._this.offset().top) / (that.ImgMinHeigth / that.ImgHeight);
return{left:bilx,top:bily};
}
},
// 第二层 事件绑定层
domOperation: {
// 鼠标移动到图片的一系列dom的操作
imghover: function () {
var that = this;
$("img", this._this).hover(function (e) {
this.pagex = e.x || e.pageX;
this.pagey = e.y || e.pageY;
var offset;
var obj = new Image();
obj.src = that.ImgUrl;
obj.onload = function () {
if (obj.height > 0) {
that.ImgWidth = obj.width;
that.ImgHeight = obj.height;
if ($("#jqoomz").length == 0) {
that._this.after("<div id='jqoomz'></div>");
}
offset = that.basicOperation.finder.call(that._this.find("img")[0],that);
}
};
if ($("#jqoomz").length == 0) {
that.ImgWidth = obj.width;
that.ImgHeight = obj.height;
that._this.after("<div id='jqoomz'></div>");
}
offset = that.basicOperation.finder.call(this,that);
if ($("#jqoomy").length == 0) {
$(this).after("<div id='jqoomy'></div>")
.siblings("#jqoomy")
.addClass("jqoomy")
.show()
.width((that.ImgMinWidth / that.ImgWidth * that.ImgMinWidth))
.height((that.ImgMinHeigth / that.ImgHeight * that.ImgMinHeigth))
.offset({
top: offset.top,
left: offset.left
});
}
$("#jqoomz").width(that.width).height(that.height).offset({
left: that._this.outerWidth() + that._this.offset().left,
top: that._this[0].offsetTop
}).append($("<img></img>").attr("src", that.ImgUrl));
},function () {});
},
//鼠标在图片上滑动的一系列dom操作
docMousemove: function () {
var that=this;
$(document).on("mousemove", function (event) {
that.pagex2 = event.x || event.pageX;
that.pagey2 = event.y || event.pageY;
var offset=that.basicOperation.mover.call($("#jqoomy"),that);
$("#jqoomz img").css({"margin-left": -offset.left, "margin-top": -offset.top});
});
},
//鼠标移除图片的一系列dom操作
Jqoomhover:function () {
this._this.hover(function (e) {
}, function () {
console.log(111);
$("#jqoomz").remove();
$(document).unbind("mousemove");
$("#jqoomy").remove();
});
}
}
};
$.fn.extend({
jqoom: function (potions) {
return new OppJqoom(this, potions);
}
})
})(jQuery);
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