主题:  这个网站的CSS链接是如何定义的???

xbear

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#12002/8/4 23:15:22
这个网站的CSS链接是如何定义的??? www.cid4u.com/
他好象有种渐变的效果



=ridincal=

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#22002/8/5 9:23:24
www.cid4u.com/forum/fade.js


/*************
****
**/
startColor = "#ffffff"; // MouseOut link color
endColor = "#82AEC0"; // MouseOver link color

stepIn = 20; // delay when fading in
stepOut = 20; // delay when fading out

/*
** set to true or false; true will
** cause all links to fade automatically
***/
autoFade = true;
/*
** set to true or false; true will cause all CSS
** classes with "fade" in them to fade onmouseover
***/
sloppyClass = true;
/**
****

**************/
/*************
****
**
**
****

**************/

hexa = new makearray(16);
for(var i = 0; i < 10; i++)
hexa[i] = i;
hexa[10]="a"; hexa[11]="b"; hexa[12]="c";
hexa[13]="d"; hexa[14]="e"; hexa[15]="f";

document.onmouseover = domouseover;
document.onmouseout = domouseout;

startColor = dehexize(startColor.toLowerCase());
endColor = dehexize(endColor.toLowerCase());

var fadeId = new Array();

function dehexize(Color){
var colorArr = new makearray(3);
for (i=1; i<7; i++){
for (j=0; j<16; j++){
if (Color.charAt(i) == hexa[j]){
if (i%2 !=0)
colorArr[Math.floor((i-1)/2)]=eval(j)*16;
else
colorArr[Math.floor((i-1)/2)]+=eval(j);
}
}
}
return colorArr;
}

function domouseover() {
if(document.all){
var srcElement = event.srcElement;
if ((srcElement.tagName == "A" && autoFade) || srcElement.className == "fade" || (sloppyClass && srcElement.className.indexOf("fade") != -1))
fade(startColor,endColor,srcElement.uniqueID,stepIn);
}
}

function domouseout() {
if (document.all){
var srcElement = event.srcElement;
if ((srcElement.tagName == "A" && autoFade) || srcElement.className == "fade" || (sloppyClass && srcElement.className.indexOf("fade") != -1))
fade(endColor,startColor,srcElement.uniqueID,stepOut);
}
}

function makearray(n) {
this.length = n;
for(var i = 1; i <= n; i++)
this[i] = 0;
return this;
}

function hex(i) {
if (i < 0)
return "00";
else if (i > 255)
return "ff";
else
return "" + hexa[Math.floor(i/16)] + hexa[i%16];}

function setColor(r, g, b, element) {
var hr = hex(r); var hg = hex(g); var hb = hex(b);
element.style.color = "#"+hr+hg+hb;
}

function fade(s,e, element,step){
var sr = s[0]; var sg = s[1]; var sb = s[2];
var er = e[0]; var eg = e[1]; var eb = e[2];

if (fadeId[0] != null && fade[0] != element){
setColor(sr,sg,sb,eval(fadeId[0]));
var i = 1;
while(i < fadeId.length){
clearTimeout(fadeId[i]);
i++;
}
}

for(var i = 0; i <= step; i++) {
fadeId[i+1] = setTimeout("setColor(Math.floor(" +sr+ " *(( " +step+ " - " +i+ " )/ " +step+ " ) + " +er+ " * (" +i+ "/" +
step+ ")),Math.floor(" +sg+ " * (( " +step+ " - " +i+ " )/ " +step+ " ) + " +eg+ " * (" +i+ "/" +step+
")),Math.floor(" +sb+ " * ((" +step+ "-" +i+ ")/" +step+ ") + " +eb+ " * (" +i+ "/" +step+ ")),"+element+");",i*step);
}
fadeId[0] = element;
}



xbear

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#32002/8/6 0:03:27
谢谢斑竹,好长啊,斑竹麻烦你能不能解释下原理



killua_5d

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注册:2002/7/27 16:48:38
#42002/8/6 10:46:14
简单解释一下好吗?