怎样得到两个颜色的中间色? 将6位颜色代码每隔两位分成三部分(R/G/B),将每部分的2位从16进制转换为10进制,颜色过渡每次R减4n,G减2n,B减1n,试试看效果,不行的话调整一下减幅的比例4:2:1 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 或者直接R/2, G/2, B/2,然后再组合在一起 $s = "#E3EBFE";$c = hexdec(substr($s,1));$r = ($c>>16) & 0xff;$g = ($c>>8) & 0xff;$b = $c & 0xff;printf("%s %X %X %X",$s,$r,$g,$b); 原来是PHP版的,不懂,来段客户端的-----------------------------------------<script language=jscript>function getAvgColor(color1,color2){var r1 = parseInt("0x" + color1.substring(1,3))var g1 = parseInt("0x" + color1.substring(3,5))var b1 = parseInt("0x" + color1.substring(5,7))var r2 = parseInt("0x" + color2.substring(1,3))var g2 = parseInt("0x" + color2.substring(3,5))var b2 = parseInt("0x" + color2.substring(5,7))var r = Math.round((r1 + r2)/2)var g = Math.round((g1 + g2)/2)var b = Math.round((b1 + b2)/2) return "#" + r.toString(16) + g.toString(16) + b.toString(16)}</script><input type="button" onclick="alert(getAvgColor('#E3EBFE','#B7CAF2'))" value="click"> 我写的:<?echo "<form action=$PHP_SELF methord=post><input type=text name=a><input type=text name=b><br><input type=submit value='O K'></form>";for($ii=0; $ii<6; $ii=$ii+2) { $a1=substr($a,$ii,2); $b1=substr($b,$ii,2); $c=dechex((hexdec($a1)+hexdec($b1))/2); echo $c;} mysql+php分开查询和合并一条语句查询哪种好? PHP与ASP的哪个更实用 PHP集成环境推荐 有个JAVASCRIPT逻辑不知道怎样写 求数组中最小的id 为什么这两总查询条件提交方式的到的返回结果不一样 HTTPS 与HTTP 之间的跳转问题 PHP分割怎么得到最后一条 php中 如何在一个服务器上导入另一个服务器里的php文件啊 select count(*)报错,请大家指点 请问php不在命令行方式情况下能否做到计划任务/定时运行?不能运行win/*nix的计划任务. 翻出自己做过的一个公司黑名单网站,大家来pp
$c = hexdec(substr($s,1));
$r = ($c>>16) & 0xff;
$g = ($c>>8) & 0xff;
$b = $c & 0xff;printf("%s %X %X %X",$s,$r,$g,$b);
-----------------------------------------
<script language=jscript>function getAvgColor(color1,color2)
{
var r1 = parseInt("0x" + color1.substring(1,3))
var g1 = parseInt("0x" + color1.substring(3,5))
var b1 = parseInt("0x" + color1.substring(5,7))var r2 = parseInt("0x" + color2.substring(1,3))
var g2 = parseInt("0x" + color2.substring(3,5))
var b2 = parseInt("0x" + color2.substring(5,7))var r = Math.round((r1 + r2)/2)
var g = Math.round((g1 + g2)/2)
var b = Math.round((b1 + b2)/2) return "#" + r.toString(16) + g.toString(16) + b.toString(16)
}
</script>
<input type="button" onclick="alert(getAvgColor('#E3EBFE','#B7CAF2'))" value="click">
<?
echo "
<form action=$PHP_SELF methord=post>
<input type=text name=a><input type=text name=b><br><input type=submit value='O K'>
</form>
";
for($ii=0; $ii<6; $ii=$ii+2) {
$a1=substr($a,$ii,2);
$b1=substr($b,$ii,2);
$c=dechex((hexdec($a1)+hexdec($b1))/2);
echo $c;
}