html点击图片特效代码_HTML中如何做图片切换效果跪求代码

① 【求教】用html代码制作鼠标点击图片的时候出现图片框并在图片上显示文字

不知道这个是不是你要找的。

<head><style type="text/css">
#floater {
position: absolute;
left: 500;
top: 146;
width: 125;
visibility: visible;
z-index: 10;
}</style>
</head>

<body>

<div ID="floater" style="left: 590px; top: 158px">
<p align="center"><img SRC="2259.gif" alt="图片显示的文字" WIDTH="150" HEIGHT="60"><br>
<font color="#FF8040">网页特效</font></p>
</div><script LANGUAGE="javaScript">
self.onError=null;
currentX = currentY = 0;
whichIt = null;
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;

function heartBeat() {
if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }
if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
if(diffY != lastScrollY) {
percent = .1 * (diffY - lastScrollY);
if(percent > 0) percent = Math.ceil(percent);
else percent = Math.floor(percent);
if(IE) document.all.floater.style.pixelTop += percent;
if(NS) document.floater.top += percent;
lastScrollY = lastScrollY + percent;
}
if(diffX != lastScrollX) {
percent = .1 * (diffX - lastScrollX);
if(percent > 0) percent = Math.ceil(percent);
else percent = Math.floor(percent);
if(IE) document.all.floater.style.pixelLeft += percent;
if(NS) document.floater.left += percent;
lastScrollX = lastScrollX + percent;
}
}


function checkFocus(x,y) {
stalkerx = document.floater.pageX;
stalkery = document.floater.pageY;
stalkerwidth = document.floater.clip.width;
stalkerheight = document.floater.clip.height;
if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;
else return false;
}
function grabIt(e) {
if(IE) {
whichIt = event.srcElement;
while (whichIt.id.indexOf("floater") == -1) {
whichIt = whichIt.parentElement;
if (whichIt == null) { return true; }
}
whichIt.style.pixelLeft = whichIt.offsetLeft;
whichIt.style.pixelTop = whichIt.offsetTop;
currentX = (event.clientX + document.body.scrollLeft);
currentY = (event.clientY + document.body.scrollTop);
} else {
window.captureEvents(Event.MOUSEMOVE);
if(checkFocus (e.pageX,e.pageY)) {
whichIt = document.floater;
StalkerTouchedX = e.pageX-document.floater.pageX;
StalkerTouchedY = e.pageY-document.floater.pageY;
}
}
return true;
}
function moveIt(e) {
if (whichIt == null) { return false; }
if(IE) {
newX = (event.clientX + document.body.scrollLeft);
newY = (event.clientY + document.body.scrollTop);
distanceX = (newX - currentX); distanceY = (newY - currentY);
currentX = newX; currentY = newY;
whichIt.style.pixelLeft += distanceX;
whichIt.style.pixelTop += distanceY;
if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;
if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;
if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
event.returnValue = false;
} else {
whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);
if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;
if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;
if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
return false;
}
return false;
}
function dropIt() {
whichIt = null;
if(NS) window.releaseEvents (Event.MOUSEMOVE);
return true;
}

if(NS) {
window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
window.onmousedown = grabIt;
window.onmousemove = moveIt;
window.onmouseup = dropIt;
}
if(IE) {
document.onmousedown = grabIt;
document.onmousemove = moveIt;
document.onmouseup = dropIt;
}
if(NS || IE) action = window.setInterval("heartBeat()",1);
</script>
</boyd>

② 在html中怎么用js实现鼠标指向图片时图片放大的效果（具体实现）

分别写一个onmouseover和onmouseout事件。然后在事件里面加一个function，分别写想要放大的尺寸和缩小或复原的尺寸。

JavaScript官方API接口-GlobalEventHandlers.onmouseover

JavaScript官方API接口-GlobalEventHandlers.onmouseout

W3cSchool-JavaScript 事件参考手册

③ HTML中如何做图片切换效果，跪求代码

1、首先输入代码：

<ul>

④ Html图片按钮效果代码

那就给图片一个onclick事件就可以了，图片按钮无非是点击它的时候会出现一些动作。代码如下：

<script type="text/javascript>
function active(){
alert('图片按钮点击‘);
}
</script>
<img src='...' onclick='active()' />

⑤ HTML实现网页上图片放大功能代码就像新浪微博图片放大一样的那种，点一下放大再点一下就变成原来的状态。

<head>
<bgsound src="路径" loop="-1">/* ===== 背景音乐 ==== */
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>图片欣赏</title>
<style type="text/css">
html {
: hidden;
}

body {
margin: 0px;
padding: 0px;
background: #000;
position: absolute;
width: 100%;
height: 100%;
cursor: crosshair;
}

#diapoContainer {
position: absolute;
left: 10%;
top: 10%;
width: 80%;
height: 80%;
background: #222;
overflow: hidden;
}

.imgDC {
position: absolute;
cursor: pointer;
border: #000 solid 2px;
filter: alpha(opacity=90);
opacity: 0.9;
visibility: hidden;
}

.spaDC {
position: absolute;
filter: alpha(opacity=20);
opacity: 0.2;
background: #000;
visibility: hidden;
}

.imgsrc {
position: absolute;
width: 120px;
height: 67px;
visibility: hidden;
margin: 4%;
}

#bkgcaption {
position: absolute;
bottom: 0px;
left: 0px;
width: 100%;
height: 6%;
background:#1a1a1a;
}
#caption {
position: absolute;
font-family: arial, helvetica, verdana, sans-serif;
white-space: nowrap;
color: #fff;
bottom: 0px;
width: 100%;
left: -10000px;
text-align: center;
}

</style>
<script type="text/javascript">
var xm;
var ym;

/* ==== onmousemove event ==== */
document.onmousemove = function(e){
if(window.event) e=window.event;
xm = (e.x || e.clientX);
ym = (e.y || e.clientY);
}

/* ==== window resize ==== */
function resize() {
if(diapo)diapo.resize();
}
onresize = resize;

/* ==== opacity ==== */
setOpacity = function(o, alpha){
if(o.filters)o.filters.alpha.opacity = alpha * 100; else o.style.opacity = alpha;
}

////////////////////////////////////////////////////////////////////////////////////////////
/* ===== encapsulate script ==== */
diapo = {
O : [],
DC : 0,
img : 0,
txt : 0,
N : 0,
xm : 0,
ym : 0,
nx : 0,
ny : 0,
nw : 0,
nh : 0,
rs : 0,
rsB : 0,
zo : 0,
tx_pos : 0,
tx_var : 0,
tx_target : 0,

/////// script parameters ////////
attraction : 2,
acceleration : .9,
dampening : .1,
zoomOver : 2,
zoomClick : 6,
transparency : .8,
font_size: 18,
//////////////////////////////////

/* ==== diapo resize ==== */
resize : function(){
with(this){
nx = DC.offsetLeft;
ny = DC.offsetTop;
nw = DC.offsetWidth;
nh = DC.offsetHeight;
txt.style.fontSize = Math.round(nh / font_size) + "px";
if(Math.abs(rs-rsB)<100) for(var i=0; i<N; i++) O[i].resize();
rsB = rs;
}
},

/* ==== create diapo ==== */
CDiapo : function(o){
/* ==== init variables ==== */
this.o = o;
this.x_pos = this.y_pos = 0;
this.x_origin = this.y_origin = 0;
this.x_var = this.y_var = 0;
this.x_target = this.y_target = 0;
this.w_pos = this.h_pos = 0;
this.w_origin = this.h_origin = 0;
this.w_var = this.h_var = 0;
this.w_target = this.h_target = 0;
this.over = false;
this.click = false;

/* ==== create shadow ==== */
this.spa = document.createElement("span");
this.spa.className = "spaDC";
diapo.DC.appendChild(this.spa);

/* ==== create thumbnail image ==== */
this.img = document.createElement("img");
this.img.className = "imgDC";
this.img.src = o.src;
this.img.O = this;
diapo.DC.appendChild(this.img);
setOpacity(this.img, diapo.transparency);

/* ==== mouse events ==== */
this.img.onselectstart = new Function("return false;");
this.img.ondrag = new Function("return false;");
this.img.onmouseover = function(){
diapo.tx_target=0;
diapo.txt.innerHTML=this.O.o.alt;
this.O.over=true;
setOpacity(this,this.O.click?diapo.transparency:1);
}
this.img.onmouseout = function(){
diapo.tx_target=-diapo.nw;
this.O.over=false;
setOpacity(this,diapo.transparency);
}
this.img.onclick = function() {
if(!this.O.click){
if(diapo.zo && diapo.zo != this) diapo.zo.onclick();
this.O.click = true;
this.O.x_origin = (diapo.nw - (this.O.w_origin * diapo.zoomClick)) / 2;
this.O.y_origin = (diapo.nh - (this.O.h_origin * diapo.zoomClick)) / 2;
diapo.zo = this;
setOpacity(this,diapo.transparency);
} else {
this.O.click = false;
this.O.over = false;
this.O.resize();
diapo.zo = 0;
}
}

/* ==== rearrange thumbnails based on "imgsrc" images position ==== */
this.resize = function (){
with (this) {
x_origin = o.offsetLeft;
y_origin = o.offsetTop;
w_origin = o.offsetWidth;
h_origin = o.offsetHeight;
}
}

/* ==== animation function ==== */
this.position = function (){
with (this) {
/* ==== set target position ==== */
w_target = w_origin;
h_target = h_origin;
if(over){
/* ==== mouse over ==== */
w_target = w_origin * diapo.zoomOver;
h_target = h_origin * diapo.zoomOver;
x_target = diapo.xm - w_pos / 2 - (diapo.xm - (x_origin + w_pos / 2)) / (diapo.attraction*(click?10:1));
y_target = diapo.ym - h_pos / 2 - (diapo.ym - (y_origin + h_pos / 2)) / (diapo.attraction*(click?10:1));
} else {
/* ==== mouse out ==== */
x_target = x_origin;
y_target = y_origin;
}
if(click){
/* ==== clicked ==== */
w_target = w_origin * diapo.zoomClick;
h_target = h_origin * diapo.zoomClick;
}

/* ==== magic spring equations ==== */
x_pos += x_var = x_var * diapo.acceleration + (x_target - x_pos) * diapo.dampening;
y_pos += y_var = y_var * diapo.acceleration + (y_target - y_pos) * diapo.dampening;
w_pos += w_var = w_var * (diapo.acceleration * .5) + (w_target - w_pos) * (diapo.dampening * .5);
h_pos += h_var = h_var * (diapo.acceleration * .5) + (h_target - h_pos) * (diapo.dampening * .5);
diapo.rs += (Math.abs(x_var) + Math.abs(y_var));

/* ==== html animation ==== */
with(img.style){
left = Math.round(x_pos) + "px";
top = Math.round(y_pos) + "px";
width = Math.round(Math.max(0, w_pos)) + "px";
height = Math.round(Math.max(0, h_pos)) + "px";
zIndex = Math.round(w_pos);
}
with(spa.style){
left = Math.round(x_pos + w_pos * .1) + "px";
top = Math.round(y_pos + h_pos * .1) + "px";
width = Math.round(Math.max(0, w_pos * 1.1)) + "px";
height = Math.round(Math.max(0, h_pos * 1.1)) + "px";
zIndex = Math.round(w_pos);
}
}
}
},

/* ==== main loop ==== */
run : function(){
diapo.xm = xm - diapo.nx;
diapo.ym = ym - diapo.ny;
/* ==== caption anim ==== */
diapo.tx_pos += diapo.tx_var = diapo.tx_var * .9 + (diapo.tx_target - diapo.tx_pos) * .02;
diapo.txt.style.left = Math.round(diapo.tx_pos) + "px";
/* ==== images anim ==== */
for(var i in diapo.O) diapo.O[i].position();
/* ==== loop ==== */
setTimeout("diapo.run();", 16);
},

/* ==== load images ==== */
images_load : function(){
// ===== loop until all images are loaded =====
var M = 0;
for(var i=0; i<diapo.N; i++) {
if(diapo.img[i].complete) {
diapo.img[i].style.position = "relative";
diapo.O[i].img.style.visibility = "visible";
diapo.O[i].spa.style.visibility = "visible";
M++;
}
resize();
}
if(M<diapo.N) setTimeout("diapo.images_load();", 128);
},

/* ==== init script ==== */
init : function() {
diapo.DC = document.getElementById("diapoContainer");
diapo.img = diapo.DC.getElementsByTagName("img");
diapo.txt = document.getElementById("caption");
diapo.N = diapo.img.length;
for(i=0; i<15; i++) diapo.O.push(new diapo.CDiapo(diapo.img[i]));
diapo.resize();
diapo.tx_pos = -diapo.nw;
diapo.tx_target = -diapo.nw;
diapo.images_load();
diapo.run();
}
}

</script>
</head>

<body>

<div id="diapoContainer">
<img class="imgsrc" src="图片的路径（相对路径或绝对路径）" alt="图片的注释（第一张）">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<img class="imgsrc" src="同上" alt="同上">
<div id="bkgcaption">
</div>
<div id="caption">
</div>
</div>
<script type="text/javascript">
/* ==== start script ==== */
function dom_onload() {
if(document.getElementById("diapoContainer")) diapo.init(); else setTimeout("dom_onload();", 128);
}
dom_onload();

</script>

</body>

</html>

⑥ html鼠标移动到超链接上时，显示图片的效果怎么做的

需要准备的材料分别有：电脑、浏览器、html编辑器。

1、首先，打开html编辑器，新建html文件，例如：index.html，输入问题基础代码。

⑦ 请教一下，<html>像这样的图片在里面加什么代码能让鼠标放上面就会出现动态的效果

你好动态效果是需要JS脚本来实现的
你在网上找好喜欢的效果的JS脚本，然后加到你的网页代码里就可以了

⑧ 用HTML编写图片特效,如浮雕,透明,扭曲……的关键代码是怎么写

一楼说的不是很正确!
用HTML编写也行!(网络上面多的是)
<IMG src="图片路径" style="filter:invert()" border=0>反色
<IMG src="图片路径" style="filter:progid:DXImageTransform.Microsoft.Embos(Bias=0.7) ;" border=0>浮雕
<IMG src="图片路径" style="filter:wav(add=0,freq=3,lightstrength=50,phase=0,strength=3)" border=0>扭曲
<IMG src="图片路径" style="filter:Alpha(Opacity=80,style=3)" border=0>透明

⑨ 我是小白。。最近写一个图片轮播特效的代码，html和css部分都已经写好了，而js部分怎么也不会写

这么给你说吧 JS你最好放在body的最下面
因为你写在head里在dom加载完成前你的JS就执行完了
或者你在最外层加上

$(document).ready(function(){
//你的代码
}

但是还是建议你将JS代码放在body内的最下面

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html点击图片特效代码

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