📄 ftb.colorpicker.aspx
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<%@ Page language="c#" %>
<html>
<head>
<title>拾色器</title>
<style>
.cc {
width:10;height:8;
}
</style>
<script launguage="JavaScript">
function colorOver(theTD) {
previewColor(theTD.style.backgroundColor);
setTextField(theTD.style.backgroundColor);
}
function colorClick(theTD) {
setTextField(theTD.style.backgroundColor);
returnColor(theTD.style.backgroundColor);
}
function setTextField(ColorString) {
document.getElementById("ColorText").value = ColorString.toUpperCase();
}
function returnColor(ColorString) {
window.returnValue = ColorString;
window.close();
}
function userInput(theinput) {
previewColor(theinput.value);
}
function previewColor(theColor) {
try {
PreviewDiv.style.backgroundColor = theColor;
} catch (e) {
}
}
</script>
</head>
<body style="background-color:d4d0c8; margin: 2 2 2 2;">
<form runat="server">
<table cellpadding=0 cellspacing=0 border=0>
<tr><td colspan=3>
<asp:Literal id="Colors"
runat="server" EnableViewState="false" />
</td></tr>
<tr>
<td><input type="text" name="ColorText" id="ColorText" style="width:60;height:22;" onkeyup="userInput(this);"></td>
<td align=center><div id="PreviewDiv" style="width:50;height:20;border: 1 solid black; background-color: #ffffff;"> </div></td>
<td align=right><input type="button" value="确定" onclick="returnColor(ColorText.value);" id="ColorButton" style="width:80;"></td>
</tr>
</table>
</form>
</body>
</html>
<script language="c#" runat="server">
private void Page_Load(object sender, System.EventArgs e) {
int onrow=1;
int oncol=1;
int count=1;
string s ="";
string set1 = "";
string set2 = "";
for (int r=5; r>=0; r--) {
for (int g=5; g>=0; g--) {
for (int b=5; b>=0; b--) {
if (oncol==1) s += "<tr>\n";
s += "\t<td onmouseover=\"colorOver(this);\" onclick=\"colorClick(this);\" style=\"background-color:"+ReturnHex(r)+ReturnHex(g)+ReturnHex(b)+";\" class=cc></td>\n";
oncol++;
if (oncol >= 19) {
s+="</tr>\n";
oncol = 1;
if (onrow % 2 == 0) {
set2 += s;
} else {
set1 += s;
}
s = "";
onrow++;
}
count++;
}
}
}
Colors.Text = "<table cellpadding=0 cellspacing=1 style=\"background-color:ffffff;\" border=0 >" + set1 + set2 + "</table>";
}
string ReturnHex(int i) {
switch (i) {
default:
case 0:
return "00";
case 1:
return "33";
case 2:
return "66";
case 3:
return "99";
case 4:
return "CC";
case 5:
return "FF";
}
}
</script>
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