富贵资源网

电子商务网站上的常用的js放大镜效果
站长资源 2024/11/18 佚名
64 1538
富贵资源网 Design By www.hznty.com
复制代码 代码如下:
jsFiddleRun again Edit this fiddle Result HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="gb2312" />
<title>放大镜</title>
<style>
img{ vertical-align:bottom;}
.mod_zoom{ overflow:hidden; zoom:1;}
.mod_zoom .p1 { float:left; position:relative; height:350px; width:350px; margin-right:5px; }
.mod_zoom .p1 .mask{ position:absolute; left:0; top:0; width:175px; height:175px; background-color:#fede4f; opacity:0.3; filter: alpha(opacity=30); display:none; }
.mod_zoom .p2{ position:relative; width:400px; height:400px; overflow:hidden; display:none;}
.mod_zoom .p2 .img{ position:absolute; left:0; top:0;}
.mod_zoom .ph{width:100%; height:350px; position:absolute; top:0; left:0; cursor:crosshair;
/*background-color:red*/
/*如果给它绑定事件处理函数，IE中不设置background-color属性就不触发事件*/ }
</style>
</head>
<body>
<div>
<div class="mod_zoom">
<div class="p1" id="p1">
<img src="/UploadFiles/2021-04-02/b350e77e-fc74-4173-81b5-dfe54f425ef6.jpg"><span class="mask" id="m"></span>
<span class="ph" id="eventproxy"></span>
</div>
<div class="p2" id="p2">
<img src="/UploadFiles/2021-04-02/b350e77e-fc74-4173-81b5-dfe54f425ef6.jpg"></div>
</div>
</div>
<script>
function PhotoZoomer(elements){
this.mask = elements.mask; //蒙版
this.container = elements.container //原图容器
this.originimg = elements.originimg; //原图
this.eventproxy = elements.eventproxy;
this.bigContainer = elements.bigContainer; //大图容器
this.bigimg = elements.bigimg; //大图
this.visible = false;
this._bind();
}
PhotoZoomer.prototype = {
display: function(style){
var self = this;
self.mask.style.display = style;
self.bigContainer.style.display = style;
},
//计算放大蒙版位置
zoom: function(clientX, clientY){
var self = this,
//位置比例
rate = {},
//放大蒙版最大活动范围
maxrange = {
offsetLeft: self.container.offsetWidth - self.mask.offsetWidth,
offsetTop: self.container.offsetHeight - self.mask.offsetHeight
},
//mask left
left = clientX - self.container.offsetLeft - self.mask.offsetWidth/2,
//mask top
top = clientY - self.container.offsetTop - self.mask.offsetHeight/2;
if(left < 0) {
left = 0;
}else if(left> maxrange.offsetLeft) {
left = maxrange.offsetLeft;
}
if(top < 0) {
top = 0;
}else if(top > maxrange.offsetTop){
top = maxrange.offsetTop;
}
//alert(maxrange.offsetTop);
rate.left = left / maxrange.offsetLeft;
rate.top = top / maxrange.offsetTop;
self.mask.style.left = left + 'px';
self.mask.style.top = top + 'px';
self.bigimg.style.left = -rate.left * (self.bigimg.offsetWidth - self.bigContainer.offsetWidth) + "px";
self.bigimg.style.top = -rate.top * (self.bigimg.offsetHeight - self.bigContainer.offsetHeight) + "px";
},
_bind: function(){
var self = this;
self.container.onmouseover = function(e){
e = e || window.event;
var target = e.targe || e.srcElement;
self.display("block");
this.visible = true;
};
self.container.onmouseout = function(e){
e = e || window.event;
var target = e.targe || e.srcElement;
self.display("none");
this.visible = false;
};
self.container.onmousemove = function(e){
e = e || window.event;
if(!this.visible )return;//防止元素大小计算错误
self.zoom(e.clientX, e.clientY);
};
}
};
function get(id){
return document.getElementById(id)
}
var elements = {
mask: get("m"),
container: get("p1"),
originimg: get("z1"),
bigContainer: get("p2"),
bigimg: get("z2"),
eventproxy: get("eventproxy")
};
var zoomer = new PhotoZoomer(elements);
// alert(elements.container.offsetParent.tagName)
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="gb2312" />
<title>放大镜</title>
<style>
img{ vertical-align:bottom;}
.mod_zoom{ overflow:hidden; zoom:1;}
.mod_zoom .p1 { float:left; position:relative; height:350px; width:350px; margin-right:5px; }
.mod_zoom .p1 .mask{ position:absolute; left:0; top:0; width:175px; height:175px; background-color:#fede4f; opacity:0.3; filter: alpha(opacity=30); display:none; }
.mod_zoom .p2{ position:relative; width:400px; height:400px; overflow:hidden; display:none;}
.mod_zoom .p2 .img{ position:absolute; left:0; top:0;}
.mod_zoom .ph{width:100%; height:350px; position:absolute; top:0; left:0; cursor:crosshair;
/*background-color:red*/
/*如果给它绑定事件处理函数，IE中不设置background-color属性就不触发事件*/ }
</style>
</head>
<body>
<div>
<div class="mod_zoom">
<div class="p1" id="p1">
<img src="/UploadFiles/2021-04-02/b350e77e-fc74-4173-81b5-dfe54f425ef6.jpg"><span class="mask" id="m"></span>
<span class="ph" id="eventproxy"></span>
</div>
<div class="p2" id="p2">
<img src="/UploadFiles/2021-04-02/b350e77e-fc74-4173-81b5-dfe54f425ef6.jpg"></div>
</div>
</div>
<script>
function PhotoZoomer(elements){
this.mask = elements.mask; //蒙版
this.container = elements.container //原图容器
this.originimg = elements.originimg; //原图
this.eventproxy = elements.eventproxy;
this.bigContainer = elements.bigContainer; //大图容器
this.bigimg = elements.bigimg; //大图
this.visible = false;
this._bind();
}
PhotoZoomer.prototype = {
display: function(style){
var self = this;
self.mask.style.display = style;
self.bigContainer.style.display = style;
},
//计算放大蒙版位置
zoom: function(clientX, clientY){
var self = this,
//位置比例
rate = {},
//放大蒙版最大活动范围
maxrange = {
offsetLeft: self.container.offsetWidth - self.mask.offsetWidth,
offsetTop: self.container.offsetHeight - self.mask.offsetHeight
},
//mask left
left = clientX - self.container.offsetLeft - self.mask.offsetWidth/2,
//mask top
top = clientY - self.container.offsetTop - self.mask.offsetHeight/2;
if(left < 0) {
left = 0;
}else if(left> maxrange.offsetLeft) {
left = maxrange.offsetLeft;
}
if(top < 0) {
top = 0;
}else if(top > maxrange.offsetTop){
top = maxrange.offsetTop;
}
//alert(maxrange.offsetTop);
rate.left = left / maxrange.offsetLeft;
rate.top = top / maxrange.offsetTop;
self.mask.style.left = left + 'px';
self.mask.style.top = top + 'px';
self.bigimg.style.left = -rate.left * (self.bigimg.offsetWidth - self.bigContainer.offsetWidth) + "px";
self.bigimg.style.top = -rate.top * (self.bigimg.offsetHeight - self.bigContainer.offsetHeight) + "px";
},
_bind: function(){
var self = this;
self.container.onmouseover = function(e){
e = e || window.event;
var target = e.targe || e.srcElement;
self.display("block");
this.visible = true;
};
self.container.onmouseout = function(e){
e = e || window.event;
var target = e.targe || e.srcElement;
self.display("none");
this.visible = false;
};
self.container.onmousemove = function(e){
e = e || window.event;
if(!this.visible )return;//防止元素大小计算错误
self.zoom(e.clientX, e.clientY);
};
}
};
function get(id){
return document.getElementById(id)
}
var elements = {
mask: get("m"),
container: get("p1"),
originimg: get("z1"),
bigContainer: get("p2"),
bigimg: get("z2"),
eventproxy: get("eventproxy")
};
var zoomer = new PhotoZoomer(elements);
// alert(elements.container.offsetParent.tagName)
</script>
</body>
</html>
富贵资源网 Design By www.hznty.com
广告合作：本站广告合作请联系QQ：858582 申请时备注：广告合作（否则不回）
免责声明：本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除！
富贵资源网 Design By www.hznty.com
www.hznty.com 富贵资源网
20,135影音资源
44,641技术资源
2,817软件资源
435,032站长资源

友情链接

杰晶网络 DDR爱好者之家 桃源资源网 杰网资源 富贵资源网 南强小屋 铁雪资源网 幽灵资源网 万梅资源网 狼山资源网 白云岛资源网 昆仑资源网 相思资源网 明霞山资源网 内蒙古资源网 黑松山资源网 茶园资源网 饿虎岗资源网 大旗谷资源网 常春岛资源网 岱庙资源网 兴国资源网 快活林资源网 蝙蝠岛资源网 帝王谷资源网 白云城资源网 伏龙阁资源网 清风细雨楼 天枫庄资源网 圆月山庄资源网 无争山庄资源网 神水资源网 移花宫资源网 神剑山庄资源网 无为清净楼资源网 金钱帮资源网 丐帮资源网 华山资源网 极乐门资源网 小李飞刀资源网 凤求凰客栈 风云阁资源网 金狮镖局 鸳鸯亭资源网 千金楼资源网 更多链接
富贵资源网 Design By www.hznty.com