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js颜色选择器修改版（兼容firefox,chrome)

2015-11-03 10:40 483 查看

点击input输入框弹出颜色选择器,然后选择自己喜欢的颜色.本JS类兼容firefox和chrome.

前台代码:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="JSLibraryDemo.aspx.cs" Inherits="JSLibraryDemo" %>

<!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">
<title>JS类库测试</title>
<script type="text/javascript" src="JSLibrary/ColorSelector.js"></script>
<script type="text/javascript">
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input type="text" id="color" onclick="coloropen(event)" />
<div id="colorpane" style="position:absolute;z-index:999;display:none;"></div>
<span id="inputcolor"></span>
</div>
</form>
</body>
</html>

JS颜色选择器类:

var ColorHex = new Array('00', '33', '66', '99', 'CC', 'FF')
var SpColorHex = new Array('FF0000', '00FF00', '0000FF', 'FFFF00', '00FFFF', 'FF00FF')
var current = null
function initcolor(evt)
{
var colorTable = ''
for (i = 0; i < 2; i++)
{
for (j = 0; j < 6; j++)
{
colorTable = colorTable + '<tr height=15>'
colorTable = colorTable + '<td width=15 style="background-color:#000000">'
if (i == 0) {
colorTable = colorTable + '<td width=15 style="cursor:pointer;background-color:#' + ColorHex[j] + ColorHex[j] + ColorHex[j] + '" onclick="doclick(\'#' + SpColorHex[j] + '\')">'
}
else {
colorTable = colorTable + '<td width=15 style="cursor:pointer;background-color:#' + SpColorHex[j] + '" onclick="doclick(\'#' + SpColorHex[j] + '\')">'
}
colorTable = colorTable + '<td width=15 style="background-color:#000000">'
for (k = 0; k < 3; k++)
{
for (l = 0; l < 6; l++)
{
colorTable = colorTable + '<td width=15 style="cursor:pointer;background-color:#' + ColorHex[k + i * 3] + ColorHex[l] + ColorHex[j] + '" onclick="doclick(\'#' + SpColorHex[j] + '\')">'
}
}
}
}
colorTable = '<table border="1" cellspacing="0" cellpadding="0" style="text-align:center;cursor:pointer;border-collapse:collapse" bordercolor="000000" >'
+ '<tr><td colspan="21"><span style="float:right;margin-right:5px;cursor:pointer;" onclick="colorclose()">×关闭</span><span style="float:right;margin-right:5px;cursor:pointer;" onclick="defaultColor()">默认颜色</span></td></tr>'
+ colorTable + '</table>';
document.getElementById("colorpane").innerHTML = colorTable;
var current_x = document.getElementById("inputcolor").offsetLeft;
var current_y = document.getElementById("inputcolor").offsetTop;
//alert(current_x + "-" + current_y)
document.getElementById("colorpane").style.left = current_x + "px";
document.getElementById("colorpane").style.top = current_y + "px";
}
function doclick(colorValue) {
//alert(colorValue);
document.getElementById('color').value = colorValue;
document.getElementById("colorpane").style.display = "none";
}
function defaultColor() {
document.getElementById('color').value = '#FFFFFF'
document.getElementById("colorpane").style.display = "none";
}
function colorclose() {
document.getElementById("colorpane").style.display = "none";
}
function coloropen() {
document.getElementById("colorpane").style.display = "";
}
window.onload = initcolor;

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