jQuery实例
左侧菜单
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>左菜单</title>
<script src="jquery-1.12.4.js"></script>
<style>
.menu{
height: 500px;
width: 30%;
background-color: #0e90d2;
float: left;
}
.content{
height: 500px;
width: 70%;
background-color: #303a40;
float: left;
}
.title{
line-height: 50px;
background-color: #8c8c8c;
color: #ffff99;
}
.hide{
display: none;
}
</style>
</head>
<body>
<div class="outer">
<div class="menu">
<div class="item">
<div class="title" onclick="show(this);">菜单一</div>
<div class="con">
<div>8888</div>
<div>8888</div>
<div>8888</div>
<div>8888</div>
</div>
</div>
<div class="item">
<div class="title" onclick="show(this);">菜单二</div>
<div class="con">
<div>8888</div>
<div>8888</div>
<div>8888</div>
<div>8888</div>
</div>
</div>
<div class="item">
<div class="title" onclick="show(this);">菜单三</div>
<div class="con">
<div>8888</div>
<div>8888</div>
<div>8888</div>
<div>8888</div>
</div>
</div>
</div>
<div class="content"></div>
</div>
<script>
function show(self){
$(self).next().removeClass("hide")
$(self).parent().siblings().children(".con").addClass("hide")
}
</script>
</body>
</html>
TAB菜单
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="jquery-1.12.4.js"></script>
<style>
*{
margin: 0px;
padding: 0px;
}
.tab_outer{
margin:0 auto;
width: 60%;
}
.menu{
background-color: #ffff99;
line-height: 40px;
cursor:pointer; //鼠标变小手
}
.menu li{
display: inline-block;
}
.menu a{
border-right:1px solid rebeccapurple ;
padding: 11px;
}
.content{
background-color: rosybrown;
border: 1px solid greenyellow;
height: 300px;
}
.hide{
display: none;
}
.content{
background-color: #2459a2;
color: #0e90d2;
border-top:solid 2px darkgreen;
}
</style>
</head>
<body>
<div class="tab_outer">
<ul class="menu">
<li xxx="c1" class="current" onclick="tab(this);">菜单一</li>
<li xxx="c2" onclick="tab(this);">菜单二</li>
<li xxx="c3" onclick="tab(this);">菜单三</li>
</ul>
<div class="content">
<div id="c1">内容一</div>
<div id="c2" class="hide">内容二</div>
<div id="c3" class="hide">内容三</div>
</div>
</div>
<script>
function tab(self){
var index=$(self).attr("xxx");
$("#"+index).removeClass("hide").siblings().addClass("hide");
$(self).addClass("current").siblings().removeClass("current");
}
</script>
</body>
</html>
滚动菜单
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
body{
margin: 0px;
}
img {
border: 0;
}
ul{
padding: 0;
margin: 0;
list-style: none;
}
.clearfix:after {
content: ".";
display: block;
height: 0;
clear: both;
visibility: hidden;
}
.wrap{
width: 980px;
margin: 0 auto;
}
.pg-header{
background-color: #303a40;
-webkit-box-shadow: 0 2px 5px rgba(0,0,0,.2);
-moz-box-shadow: 0 2px 5px rgba(0,0,0,.2);
box-shadow: 0 2px 5px rgba(0,0,0,.2);
}
.pg-header .logo{
float: left;
padding:5px 10px 5px 0px;
}
.pg-header .logo img{
vertical-align: middle;
width: 110px;
height: 40px;
}
.pg-header .nav{
line-height: 50px;
}
.pg-header .nav ul li{
float: left;
}
.pg-header .nav ul li a{
display: block;
color: #ccc;
padding: 0 20px;
text-decoration: none;
font-size: 14px;
}
.pg-header .nav ul li a:hover{
color: #fff;
background-color: #425a66;
}
.pg-body{
}
.pg-body .catalog{
position: absolute;
top:60px;
width: 200px;
background-color: #fafafa;
bottom: 0px;
}
.pg-body .catalog.fixed{
position: fixed;
top:10px;
}
.pg-body .catalog .catalog-item.active{
color: #fff;
background-color: #425a66;
}
.pg-body .content{
position: absolute;
top:60px;
width: 700px;
margin-left: 210px;
background-color: #fafafa;
overflow: auto;
}
.pg-body .content .section{
height: 500px;
}
</style>
</head>
<body>
<div class="pg-header">
<div class="wrap clearfix">
<div class="logo">
<a href="#">
<img src="3.jpg">
</a>
</div>
<div class="nav">
<ul>
<li>
<a href="#">首页</a>
</li>
<li>
<a href="#">功能一</a>
</li>
<li>
<a href="#">功能二</a>
</li>
</ul>
</div>
</div>
</div>
<div class="pg-body">
<div class="wrap">
<div class="catalog">
<div class="catalog-item" auto-to="function1"><a>第1张</a></div>
<div class="catalog-item" auto-to="function2"><a>第2张</a></div>
<div class="catalog-item" auto-to="function3"><a>第3张</a></div>
</div>
<div class="content">
<div menu="function1" class="section">
<h1>第一章</h1>
</div>
<div menu="function2" class="section">
<h1>第二章</h1>
</div>
<div menu="function3" class="section">
<h1>第三章</h1>
</div>
</div>
</div>
</div>
<script type="text/javascript" src="jquery-2.1.4.min.js"></script>
<script type="text/javascript">
window.onscroll=function () {
var ws=$(window).scrollTop();
if (ws>50){
$(".catalog").addClass("fixed");
}
else {
$(".catalog").removeClass("fixed");
}
if($(document).height()==$(window).height()+ws){
$(".catalog").children(":last").css("fontSize","40px").siblings().css("fontSize","16px")
return;
}
$(".content").children().each(function () {
var offset=$(this).offset().top;
var total=$(this).height()+offset;
if (ws>offset && ws<total){
var index=$(this).attr("menu");
var new_index="[auto-to="+index+"]";
console.log(new_index)
$(new_index).css("fontSize","40px").siblings().css("fontSize","15px");
}
});
};
</script>
</body>
</html>
动画显示隐藏
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
#flipshow,#content,#fliphide,#toggle{
padding: 5px;
text-align: center;
background-color: #0e90d2;
border: solid 1px rebeccapurple;
}
#content{
padding: 100px;
display: none;
background-color: #c70048;
}
</style>
</head>
<body>
<div id="flipshow">显示</div>
<div id="fliphide">隐藏</div>
<div id="toggle">toggle</div>
<div id="content">hello world</div>
<script src="jquery-1.12.4.js"></script>
<script>
$(document).ready(function(){
$("#flipshow").click(function(){
$("#content").slideDown(1000);
});
$("#fliphide").click(function(){
$("#content").slideUp(1000);
});
$("#toggle").click(function(){
$("#content").slideToggle(1000);
});
});
</script>
</body>
</html>
淡入淡出
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<button id="in">fadein</button>
<button id="out">fadeout</button>
<button id="toggle">fadetoggle</button>
<button id="fadeto">fadeto</button>
<div id="id1" style="display:none; width: 80px;height: 80px;background-color: blueviolet"></div>
<div id="id2" style="display:none; width: 80px;height: 80px;background-color: orangered "></div>
<div id="id3" style="display:none; width: 80px;height: 80px;background-color: darkgreen "></div>
<script src="jquery-1.12.4.js"></script>
<script>
$(document).ready(function(){
$("#in").click(function(){
$("#id1").fadeIn(1000);
$("#id2").fadeIn(1000);
$("#id3").fadeIn(1000);
});
$("#out").click(function(){
$("#id1").fadeOut(1000);
$("#id2").fadeOut(1000);
$("#id3").fadeOut(1000);
});
$("#toggle").click(function(){
$("#id1").fadeToggle(1000);
$("#id2").fadeToggle(1000);
$("#id3").fadeToggle(1000);
});
$("#fadeto").click(function(){
$("#id1").fadeTo(1000,0.4);
$("#id2").fadeTo(1000,0.5);
$("#id3").fadeTo(1000,0);
});
});
</script>
</body>
</html>
隐藏显示
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link type="text/css" rel="stylesheet" href="style.css">
</head>
<body>
<!--1 隐藏与显示-->
<!--2 淡入淡出-->
<!--3 滑动-->
<!--4 效果-回调:每一个动画执行完毕之后所能执行的函数方法或者所能做的一件事-->
<p>hello</p>
<button id="hide">隐藏</button>
<button id="show">显示</button>
<button id="toggle">隐藏/显示</button>
<script src="jquery-1.12.4.js"></script>
<script>
/**
* Created by yuan on 16/5/5.
*/
$(document).ready(function(){
$("#hide").click(function(){
$("p").hide(1000);
});
$("#show").click(function(){
$("p").show(1000);
});
//用于切换被选元素的 hide() 与 show() 方法。
$("#toggle").click(function(){
$("p").toggle(1000);
})
for (var i= 0;i<7;i++){
// 颠倒了常规的$(A).append(B)的操作，即不是把B追加到A中，而是把A追加到B中。
$("<div>").appendTo(document.body);
}
$("div").click(function(){
$(this).hide(2000);
});
});
</script>
</body>
</html>
返回顶部
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
body{
margin: 0px;
}
.returnTop{
height: 60px;
width: 100px;
background-color: darkgray;
position: fixed;
right: 0;
bottom: 0;
color: greenyellow;
line-height: 60px;
text-align: center;
}
.div1{
background-color: orchid;
font-size: 5px;
overflow: auto;
width: 500px;
}
.div2{
background-color: darkcyan;
}
.div3{
background-color: aqua;
}
.div{
height: 300px;
width: 70%;
}
.hide{
display: none;
}
.returnTop{
cursor:pointer;
}
</style>
</head>
<body>
<div class="div1 div">
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
<p>hello</p>
</div>
<div class="div2 div"></div>
<div class="div3 div"></div>
<div class="returnTop hide" onclick="returnTop();">返回顶部</div>
<script src="jquery-1.12.4.js"></script>
<script>
window.onscroll=function(){
var current=$(window).scrollTop();
console.log(current);
if (current>100){
$(".returnTop").removeClass("hide");
}
else {
$(".returnTop").addClass("hide")
}
};
function returnTop(){
$(".div1").scrollTop(0);
$(window).scrollTop(0)
};
</script>
</body>
</html>
添加、删除
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div class="outer">
<div class="section">
<div class="icons" style="display: inline-block">
<a onclick="add(this)"><button>+</button></a>
</div>
<div class="inputs" style="display: inline-block">
<input type="checkbox">
<input type="text" value="IP">
</div>
</div>
</div>
<script src="../day15/jquery-1.12.4.js"></script>
<script>
function add(self){ //添加函数
var item=$(self).parent().parent().clone(); //克隆找寻的标签
$(".outer").append(item); //添加到标签的后面
item.find("a").children().text("-"); //把该标签的‘＋’号改‘-’号
item.find("a").attr("onclick","remove8(this);") //绑定删除标签函数
}
function remove8(self){ //删除函数
$(self).parent().parent().remove()
}
</script>
</body>
</html>
模态对话框
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.shade{
position: fixed;
left: 0;
top: 0;
right: 0;
bottom: 0;
background: rgba(0,0,0,.6) ;
z-index: 20;
}
.modal{
position: fixed;
left: 50%;
top: 50%;
height: 300px;
width: 400px;
margin-top: -150px;
margin-left: -200px;
z-index: 30;
border: 1px solid #ddd;
background-color: white;
text-align: center;
}
.hide{
display: none;
}
</style>
</head>
<body>
<div>
<input type="button" value="添加" onclick="Add();" />
<table border="1">
<thead>
<tr>
<th >主机名</th>
<th >IP</th>
<th >端口</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr>
<td target="host">c1.com</td>
<td target="ip">1.1.1.1</td>
<td target="port">8888</td>
<td onclick="Edit(this);">Edit</td>
</tr>
<tr>
<td target="host">c2.com</td>
<td target="ip">1.1.1.1</td>
<td target="port">8888</td>
<td onclick="Edit(this);">Edit</td>
</tr>
<tr>
<td target="host">c3.com</td>
<td target="ip">1.1.1.1</td>
<td target="port">8888</td>
<td onclick="Edit(this);">Edit</td>
</tr>
<tr>
<td target="host">c4.com</td>
<td target="ip">1.1.1.1</td>
<td target="port">8888</td>
<td onclick="Edit(this);">Edit</td>
</tr>
</tbody>
</table>
</div>
<div class="shade hide"></div>
<div class="modal hide">
<form action="" method="get">
<p>主机名<input type="text" id="host" name="host"></p>
<p>IP <input type="text" id='ip' name="ip"></p>
<p>端口 <input type="text" id='port' name="port"></p>
<input type="submit" value="提交" onclick="return SubmitForm();">
<input type="button" value="取消" onclick="HideModal();">
</form>
</div>
<script src="jquery-1.12.4.js"></script>
<script>
function SubmitForm(){
var flag = true;
$(".modal").find('input[type="text"]').each(function(){
var value = $(this).val();
if(value.trim().length ==0){
flag = false;
return false;
}
});
return flag;
}
function Edit(ths){
//ths代指当前点击标签
//$(ths)表示jquery对象
$('.shade,.modal').removeClass('hide');
var prevList = $(ths).prevAll();
prevList.each(function(){
var prevList = $(this).text();
var target = $(this).attr('target');
$("#"+target).val(text);
});
}
function HideModal(){
$('.shade,.modal').addClass("hide");
$(".modal").find("input[text]").val("");
}
function Add(){
$('.shade,.modal').removeClass('hide');
}
</script>
</body>
</html>
正反选
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>正反选</title>
</head>
<body>
<button onclick="selectAll();">全选</button>
<button onclick="cancel();">取消</button>
<button onclick="reverse();">反选</button>
<table border="1">
<tr>
<td><input type="checkbox"></td>
<td>8888</td>
</tr>
<tr>
<td><input type="checkbox"></td>
<td>8888</td>
</tr>
<tr>
<td><input type="checkbox"></td>
<td>8888</td>
</tr>
<tr>
<td><input type="checkbox"></td>
<td>8888</td>
</tr>
</table>
<script src="jquery-1.12.4.js"></script>
<script>
function selectAll() {
$("table :checkbox").prop("checked",true);
}
function cancel() {
$("table :checkbox").prop("checked",false);
}
function reverse() {
$("table :checkbox").each(function(){
if ($(this).prop("checked")){
$(this).prop("checked",false);
}
else {
$(this).prop("checked",true);
}
})};
</script>
</body>
</html>
轮播图
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
*{
margin: 0;
padding: 0px;
}
ul li{
list-style: none;
}
.outer{
height:454px;
width: 730px;
border: dashed cadetblue 5px;
margin: 0 auto;
position: relative;
}
.num{
position: absolute;
left: 0;
/*top: 0;*/
bottom: 10px;
font-size: 0px;
text-align: center;
width: 100%;
}
.num li{
height: 20px;
width: 20px;
background-color: darkgray;
border-radius: 60%;
text-align: center;
line-height: 20px;
display: inline-block;
font-size: 16px;
margin: 5px;
cursor: pointer;
}
.outer .img li{
position: absolute;
left:0 ;
top: 0;
height: 454px;
width: 730px;
}
.button{
height: 60px;
width: 40px;
background-color: darkgrey;
position: absolute;
/*left: 0px;*/
top: 50%;
margin-top: -30px;
opacity: 0.6;
font-size: 40px;
font-weight: bolder;
text-align: center;
line-height: 60px;
display: none;
}
.btn_right{
right: 0;
}
.outer:hover .button{
display: block;
}
.outer .num li.current{
background-color: red;
}
</style>
</head>
<body>
<div class="outer">
<ul class="img">
<li><img src="1.jpg"></li>
<li><img src="2.jpg"></li>
<li><img src="3.jpg"></li>
<li><img src="4.jpg"></li>
<li><img src="5.jpg"></li>
</ul>
<ul class="num">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
<div class="btn_left button"> < </div>
<div class="btn_right button"> > </div>
</div>
<script src="jquery-1.12.4.js"></script>
<script>
$(function () {
//手动轮播
$(".num li").first().addClass("current");
$(".num li").mouseover(function () {
$(this).addClass("current").siblings().removeClass("current");
var index=$(this).index();
i=index;
$(".img li").eq(index).stop().fadeIn(1000).siblings().stop().fadeOut(1000);
});
//自动轮播
i=0;
var time=setInterval(move,1500);
function move() {
i++;
if(i==5){
i=0;
}
$(".num li").eq(i).addClass("current").siblings().removeClass("current");
$(".img li").eq(i).stop().fadeIn(1000).siblings().stop().fadeOut(1000);
}
//暂停轮播
$(".outer").hover(function () {
clearInterval(time);
},function () {
time=setInterval(move,1500);
});
//左右按钮移动
$(".btn_right").click(function () {
move();
});
$(".btn_left").click(function () {
if (i==0){
i=5;
}
i=i-2;
move();
})
})
</script>
</body>
</html>
拖动面板
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
#mb{
border: 1px solid #ddd;
width: 600px;
position: absolute;
}
#title{
background-color: black;
height: 40px;
color: white;
text-align: center;
}
#nr{
height: 300px;
background-color: #8c8c8c;
text-align: center;
}
</style>
</head>
<body>
<div id="mb">
<div id="title">
标题
</div>
<div id="nr">
内容
</div>
</div>
<script type="text/javascript" src="jquery-1.12.4.js"></script>
<script>
$(function(){
// 页面加载完成之后自动执行
$('#title').mouseover(function(){
$(this).css('cursor','move');
}).mousedown(function(e){
//console.log($(this).offset());
var _event = e || window.event;
// 原始鼠标横纵坐标位置
var ord_x = _event.clientX;
var ord_y = _event.clientY;
var parent_left = $(this).parent().offset().left;
var parent_top = $(this).parent().offset().top;
$(this).bind('mousemove', function(e){
var _new_event = e || window.event;
var new_x = _new_event.clientX;
var new_y = _new_event.clientY;
var x = parent_left + (new_x - ord_x);
var y = parent_top + (new_y - ord_y);
$(this).parent().css('left',x+'px');
$(this).parent().css('top',y+'px');
})
}).mouseup(function(){
$(this).unbind('mousemove');
});
})
</script>
</body>
</html>
放大镜
<!DOCTYPE html>
<html lang="en">
<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: 0px;
padding: 0px;
}
.outer{
position:relative;
width:350px;
height:350px;
/*margin-bottom:5px;*/
border:5px solid rebeccapurple;
}
.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{
/*display:none;*/
position: absolute;
top: 0;
left: 351px;
width: 400px;
height: 400px;
overflow: hidden;
border: 5px dashed #ccc;
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="../day15/small.jpg">
</div>
<div class="big-box">
<img width="800px" height="800px" src="../day15/big.jpg" >
</div>
</div>
<script src="../day15/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
// 鼠标点距离左边界的长度与float应该与左边界的距离差半个float的width,height同理
var mouse_left = _event.clientX - float_box_width_half;
var mouse_top = _event.clientY - float_box_height_half;
console.log(_event.clientX,_event.clientY);
console.log(small_box_width - float_box_width)
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");
$(".float-box").css("top",mouse_top + "px");
//小图移动一个像素,对应大图应该移动几个像素?
//思路:用大图可移动的像素数/小图可移动的像素数
var percentX = ($(".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>
购物菜单
<!DOCTYPE html>
<html lang="en">
<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: 0px;
padding: 0px;
}
.outer{
position:relative;
width:350px;
height:350px;
/*margin-bottom:5px;*/
border:5px solid rebeccapurple;
}
.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{
/*display:none;*/
position: absolute;
top: 0;
left: 351px;
width: 400px;
height: 400px;
overflow: hidden;
border: 5px dashed #ccc;
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="../day15/small.jpg">
</div>
<div class="big-box">
<img width="800px" height="800px" src="../day15/big.jpg" >
</div>
</div>
<script src="../day15/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
// 鼠标点距离左边界的长度与float应该与左边界的距离差半个float的width,height同理
var mouse_left = _event.clientX - float_box_width_half;
var mouse_top = _event.clientY - float_box_height_half;
console.log(_event.clientX,_event.clientY);
console.log(small_box_width - float_box_width)
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");
$(".float-box").css("top",mouse_top + "px");
//小图移动一个像素,对应大图应该移动几个像素?
//思路:用大图可移动的像素数/小图可移动的像素数
var percentX = ($(".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>
编辑框
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
.edit-mode{
background-color: #b3b3b3;
padding: 8px;
text-decoration: none;
color: white;
}
.editing{
background-color: #f0ad4e;
}
</style>
</head>
<body>
<div style="padding: 20px">
<input type="button" onclick="CheckAll('#edit_mode', '#tb1');" value="全选" />
<input type="button" onclick="CheckReverse('#edit_mode', '#tb1');" value="反选" />
<input type="button" onclick="CheckCancel('#edit_mode', '#tb1');" value="取消" />
<a id="edit_mode" class="edit-mode" href="javascript:void(0);" onclick="EditMode(this, '#tb1');">进入编辑模式</a>
</div>
<table border="1">
<thead>
<tr>
<th>选择</th>
<th>主机名</th>
<th>端口</th>
<th>状态</th>
</tr>
</thead>
<tbody id="tb1">
<tr>
<td><input type="checkbox" /></td>
<td edit="true">v1</td>
<td>v11</td>
<td edit="true" edit-type="select" sel-val="1" global-key="STATUS">在线</td>
</tr>
<tr>
<td><input type="checkbox" /></td>
<td edit="true">v1</td>
<td>v11</td>
<td edit="true" edit-type="select" sel-val="2" global-key="STATUS">下线</td>
</tr>
<tr>
<td><input type="checkbox" /></td>
<td edit="true">v1</td>
<td>v11</td>
<td edit="true" edit-type="select" sel-val="1" global-key="STATUS">在线</td>
</tr>
</tbody>
</table>
<script type="text/javascript" src="jquery-1.12.4.js"></script>
<script>
/*
监听是否已经按下control键
*/
window.globalCtrlKeyPress = false;
window.onkeydown = function(event){
if(event && event.keyCode == 17){
window.globalCtrlKeyPress = true;
}
};
window.onkeyup = function(event){
if(event && event.keyCode == 17){
window.globalCtrlKeyPress = false;
}
};
/*
按下Control，联动表格中正在编辑的select
*/
function MultiSelect(ths){
if(window.globalCtrlKeyPress){
var index = $(ths).parent().index();
var value = $(ths).val();
$(ths).parent().parent().nextAll().find("td input[type='checkbox']:checked").each(function(){
$(this).parent().parent().children().eq(index).children().val(value);
});
}
}
</script>
<script type="text/javascript">
$(function(){
BindSingleCheck('#edit_mode', '#tb1');
});
function BindSingleCheck(mode, tb){
$(tb).find(':checkbox').bind('click', function(){
var $tr = $(this).parent().parent();
// 判断是否进入编辑模式
if($(mode).hasClass('editing')){
// 是否已经选中，
// 如果没有选中，进入编辑模式
// 如果已经选中，退出编辑模式
// checkbox 默认事件优先于自定义事件
if($(this).prop('checked')){
RowIntoEdit($tr);
}else{
RowOutEdit($tr);
}
}
});
}
function CreateSelect(attrs,csses,option_dict,item_key,item_value,current_val){
var sel= document.createElement('select');
$.each(attrs,function(k,v){
$(sel).attr(k,v);
});
$.each(csses,function(k,v){
$(sel).css(k,v);
});
$.each(option_dict,function(k,v){
var opt1=document.createElement('option');
var sel_text = v[item_value];
var sel_value = v[item_key];
if(sel_value==current_val){
$(opt1).text(sel_text).attr('value', sel_value).attr('text', sel_text).attr('selected',true).appendTo($(sel));
}else{
$(opt1).text(sel_text).attr('value', sel_value).attr('text', sel_text).appendTo($(sel));
}
});
return sel;
}
STATUS = [
{'id': 1, 'value': "在线"},
{'id': 2, 'value': "下线"}
];
BUSINESS = [
{'id': 1, 'value': "车上会"},
{'id': 2, 'value': "二手车"}
];
function RowIntoEdit($tr){
$tr.children().each(function(){
if($(this).attr('edit') == "true"){
if($(this).attr('edit-type') == "select"){
var select_val = $(this).attr('sel-val');
var global_key = $(this).attr('global-key');
// "STATUS" window[global_key]
// 生成select标签，并且将其设置默认值 select_val
var selelct_tag = CreateSelect({"onchange": "MultiSelect(this);"}, {}, window[global_key], 'id', 'value', select_val);
$(this).html(selelct_tag);
}else{
var orgin_value = $(this).text();
var temp = "<input value='"+ orgin_value+"' />";
$(this).html(temp);
}
}
});
}
function RowOutEdit($tr){
$tr.children().each(function(){
if($(this).attr('edit') == "true"){
if($(this).attr('edit-type') == "select"){
var new_val = $(this).children(':first').val();
var new_text = $(this).children(':first').find("option[value='"+new_val+"']").text();
$(this).attr('sel-val', new_val);
$(this).text(new_text);
}else{
var orgin_value = $(this).children().first().val();
$(this).text(orgin_value);
}
}
});
}
function CheckAll(mode, tb){
// mode= #edit_mode => 用于检测用户是否点击进入编辑模式
// tb = #tb1 => table中的tbody
if($(mode).hasClass('editing')){
$(tb).children().each(function(){
// tr = $(this); => 循环的当前行
var tr = $(this);
var check_box = tr.children().first().find(':checkbox');
if(check_box.prop('checked')){
}else{
check_box.prop('checked',true);
//当前行进入编辑模式
RowIntoEdit(tr);
}
});
}else{
$(tb).find(':checkbox').prop('checked', true);
}
}
function CheckReverse(mode, tb){
if($(mode).hasClass('editing')){
$(tb).children().each(function(){
var tr = $(this);
var check_box = tr.children().first().find(':checkbox');
if(check_box.prop('checked')){
check_box.prop('checked',false);
RowOutEdit(tr);
}else{
check_box.prop('checked',true);
RowIntoEdit(tr);
}
});
}else{
//
$(tb).children().each(function(){
var tr = $(this);
var check_box = tr.children().first().find(':checkbox');
if(check_box.prop('checked')){
check_box.prop('checked',false);
}else{
check_box.prop('checked',true);
}
});
}
}
function CheckCancel(mode, tb){
// mode= #edit_mode => 用于检测用户是否点击进入编辑模式
// tb = #tb1 => table中的tbody
if($(mode).hasClass('editing')){
$(tb).children().each(function(){
var tr = $(this);
var check_box = tr.children().first().find(':checkbox');
if(check_box.prop('checked')){
check_box.prop('checked',false);
// 当前行退出编辑模式
RowOutEdit(tr);
}else{
}
});
}else{
$(tb).find(':checkbox').prop('checked', false);
}
}
function EditMode(ths, tb){
if($(ths).hasClass('editing')){
$(ths).removeClass('editing');
$(tb).children().each(function(){
var tr = $(this);
var check_box = tr.children().first().find(':checkbox');
if(check_box.prop('checked')){
RowOutEdit(tr);
}else{
}
});
}else{
$(ths).addClass('editing');
$(tb).children().each(function(){
var tr = $(this);
var check_box = tr.children().first().find(':checkbox');
if(check_box.prop('checked')){
RowIntoEdit(tr);
}else{
}
});
}
}
</script>
</body>
</html>
未完待续...
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