| 以下是引用片段： <!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" lang="gb2312"> <head> <head> <title> 判断两种颜色值是否为相似颜色 </title> <meta http-equiv="content-type" content="text/html; charset=gb2312" /> <meta name="author" content="枫岩,CnLei.y.l@gmail.com"> <meta name="copyright" content="http://www.cnlei.com" /> <link type="text/css" rel="stylesheet" href="" /> </head> <body> <script type="text/javascript"> //Title : 判断两种颜色值是否为相似颜色 //Author : CnLei //WebSite : http://www.cnlei.com //真正应用时，请将alert()提示信息注释掉或删除掉 function isSimilarColor(sHexColorA,sHexColorB,nOffset){ this.offsetNum=Math.abs(nOffset); this.offsetNum>255?this.offsetNum=this.offsetNum-256:""; var arrNumA=[parseInt(sHexColorA.substring(0,2),16), parseInt(sHexColorA.substring(2,4),16), parseInt(sHexColorA.substring(4,6),16)]; var arrNumB=[parseInt(sHexColorB.substring(0,2),16), parseInt(sHexColorB.substring(2,4),16), parseInt(sHexColorB.substring(4,6),16)]; for (var i=0;i<arrNumA.length;i++){ if(Math.abs(arrNumA[i]-arrNumB[i])>this.offsetNum){ alert("不相似\n第"+i+"组的差值为:"+(arrNumA[i]-arrNumB[i])+",\n超过了最大误差:"+this.offsetNum); return false; }; } alert("相似色\n"+sHexColorA+"\n"+sHexColorB) return true; } isSimilarColor("FFFFFF","F0FFFE",10); </script> </body> </html> |
