最近需要设置许多颜色值,如果直接输入颜色值很不方便的,自己就写了个调色板。
具体代码如下:
网页代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<script src="color.js" type="text/javascript" language="javascript"></script>
<title>添加社区</title>
</head>
<body>
<input id="aa" size=100 alt="clrDlg"/>
<div id="colorpanel" style="position:absolute;display:none;width:253px;height:85px;"></div>
<script type="text/javascript" language="javascript">
<!--
//应用颜色对话框必须注意两点:
//颜色对话框 id : colorpanel 不能变
//触发颜色对话框显示的文本框(或其它)必须有 alt 属性,且值为 clrDlg(不能忽略大小写)
var targetElement = null; //接收颜色对话框返回值的元素
//当点下鼠标时,确定显示还是隐藏颜色对话框
//点击颜色对话框以外其它区域时,让对话框隐藏
//点击颜色对话框色区时,由 doclick 函数来隐藏对话框
function OnDocumentClick()
{
var srcElement = event.srcElement;
if (srcElement.alt == "clrDlg")
{
//显示颜色对话框
targetElement = event.srcElement;
DisplayClrDlg(true);
}
else
{
//是否是在颜色对话框上点击的
while (srcElement && srcElement.id!="colorpanel")
{
srcElement = srcElement.parentElement;
}
if (!srcElement)
{
//不是在颜色对话框上点击的
DisplayClrDlg(false);
}
}
}
//显示颜色对话框
//display 决定显示还是隐藏
//自动确定显示位置
function DisplayClrDlg(display)
{
var clrPanel = document.getElementById("colorpanel");
if (display)
{
var left = document.body.scrollLeft + event.clientX;
var top = document.body.scrollTop + event.clientY;
if (event.clientX+clrPanel.style.pixelWidth > document.body.clientWidth)
{
//对话框显示在鼠标右方时,会出现遮挡,将其显示在鼠标左方
left -= clrPanel.style.pixelWidth;
}
if (event.clientY+clrPanel.style.pixelHeight > document.body.clientHeight)
{
//对话框显示在鼠标下方时,会出现遮挡,将其显示在鼠标上方
top -= clrPanel.style.pixelHeight;
}
clrPanel.style.pixelLeft = left;
clrPanel.style.pixelTop = top;
clrPanel.style.display = "block";
}
else
{
clrPanel.style.display = "none";
}
}
document.body.onclick = OnDocumentClick;
document.body.onload = intocolor;
//-->
</script>
</body>
</html>
js文件color.js的代码:
// JScript 文件
var ColorHex=new Array('00','33','66','99','CC','FF')
var SpColorHex=new Array('FF0000','00FF00','0000FF','FFFF00','00FFFF','FF00FF')
var current=null
function intocolor()
{
var colorTable=''
for (i=0;i<2;i++)
{
for (j=0;j<6;j++)
{
colorTable=colorTable+'<tr height=12>'
colorTable=colorTable+'<td width=11 style="background-color:#000000">'
if (i==0){
colorTable=colorTable+'<td width=11 style="background-color:#'+ColorHex[j]+ColorHex[j]+ColorHex[j]+'">'}
else{
colorTable=colorTable+'<td width=11 style="background-color:#'+SpColorHex[j]+'">'}
colorTable=colorTable+'<td width=11 style="background-color:#000000">'
for (k=0;k<3;k++)
{
for (l=0;l<6;l++)
{
colorTable=colorTable+'<td width=11 style="background-color:#'+ColorHex[k+i*3]+ColorHex[l]+ColorHex[j]+'">'
}
}
}
}
colorTable='<table width=253 border="0" cellspacing="0" cellpadding="0" style="border:1px #000000 solid;border-bottom:none;border-collapse: collapse" bordercolor="000000">'
+'<tr height=30><td colspan=21 bgcolor=#cccccc>'
+'<table cellpadding="0" cellspacing="1" border="0" style="border-collapse: collapse">'
+'<tr><td width="3"><td><input type="text" name="DisColor" size="6" disabled style="border:solid 1px #000000;background-color:#ffff00"></td>'
+'<td width="3"><td><input type="text" name="HexColor" size="7" style="border:inset 1px;font-family:Arial;" value="#000000"></td></tr></table></td></table>'
+'<table border="1" cellspacing="0" cellpadding="0" style="border-collapse: collapse" bordercolor="000000" οnmοuseοver="doOver()" οnmοuseοut="doOut()" οnclick="doclick()" style="cursor:hand;">'
+colorTable+'</table>';
colorpanel.innerHTML=colorTable
}
//此函数已被千一网络修改 www.cftea.com
//将颜色值字母大写
function doOver() {
if ((event.srcElement.tagName=="TD") && (current!=event.srcElement)) {
if (current!=null){current.style.backgroundColor = current._background}
event.srcElement._background = event.srcElement.style.backgroundColor
document.getElementById("DisColor").style.backgroundColor = event.srcElement.style.backgroundColor
document.getElementById("HexColor").value = event.srcElement.style.backgroundColor.toUpperCase();
event.srcElement.style.backgroundColor = "white"
current = event.srcElement
}
}
//此函数已被千一网络修改 www.cftea.com
//将颜色值字母大写
function doOut() {
if (current!=null) current.style.backgroundColor = current._background.toUpperCase();
}
//此函数已被千一网络修改 www.cftea.com
function doclick()
{
if (event.srcElement.tagName == "TD")
{
var clr = event.srcElement._background;
clr = clr.toUpperCase(); //将颜色值大写
if (targetElement)
{
//给目标无件设置颜色值
targetElement.value = clr;
}
DisplayClrDlg(false);
return clr;
}
}
运行结 果如下: