{"id":839,"date":"2010-05-29T00:09:38","date_gmt":"2010-05-28T16:09:38","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=839"},"modified":"2018-01-01T17:26:01","modified_gmt":"2018-01-01T09:26:01","slug":"rgba%e9%a2%9c%e8%89%b2%e4%b8%8e%e5%85%bc%e5%ae%b9%e6%80%a7%e7%9a%84%e5%8d%8a%e9%80%8f%e6%98%8e%e8%83%8c%e6%99%af%e8%89%b2","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2010\/05\/rgba%e9%a2%9c%e8%89%b2%e4%b8%8e%e5%85%bc%e5%ae%b9%e6%80%a7%e7%9a%84%e5%8d%8a%e9%80%8f%e6%98%8e%e8%83%8c%e6%99%af%e8%89%b2\/","title":{"rendered":"RGBA\u989c\u8272\u4e0e\u517c\u5bb9\u6027\u7684\u534a\u900f\u660e\u80cc\u666f\u8272"},"content":{"rendered":"<p>by <a href=\"http:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a><br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=839\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=839<\/a><\/p>\n<h3>\u4e00\u3001\u5468\u672b\u7684\u5520\u5520\u53e8\u53e8<\/h3>\n<p>\u8fd9\u5468\u771f\u662f\u8f9b\u82e6\u7684\u4e00\u5468\uff0c\u5f88\u591a\u4e8b\u60c5\u4e0d\u5f97\u5df2\u90fd\u62d6\u7740\uff0c\u6bd4\u5982\u73b0\u5728\u8fd9\u7bc7\u6587\u7ae0\u65e9\u524d\u51e0\u5929\u524d\u5c31\u5e94\u8be5\u5b8c\u5de5\u4e86\uff1b\u5173\u4e8evertical-align\u5c5e\u6027\u7684\u4e0b\u96c6\u8fd8\u6ca1\u6709\u5f00\u59cb\u5199\uff0c<a href=\"http:\/\/www.zhangxinxu.com\/jq\/api14\/\">jQuery\u5728\u7ebf\u53c2\u8003<\/a>\u5185\u5bb9\u6dfb\u52a0\u8fd8\u6ca1\u6709\u505a\uff0c<a href=\"http:\/\/www.zhangxinxu.com\/css3\/\">CSS3<\/a>\u989d\u5916\u77e5\u8bc6\u70b9\u90e8\u5206\u6dfb\u52a0\u63d2\u5165\u56fe\u7247\u76d2\u94fe\u63a5\u7684\u529f\u80fd\u8fd8\u6ca1\u5b8c\u5de5\uff0c\u641e\u7b11\u946b\u60c5\u4e5f\u662f\u6401\u7f6e\u4e86\u597d\u51e0\u5929\uff0c\u7a76\u7adf\u4ec0\u4e48\u539f\u56e0\u5462\uff1f\u5973\u4eba\uff0c\u6bcf\u665a\u8981\u82b1\u4e2a\u628a\u5c0f\u65f6\u4ea4\u4e00\u4f4d\u5973\u540c\u4e8bphotoshop\uff0c\u4e8e\u662f\u8fd9\u5b9d\u8d35\u7684\u665a\u4e0a\u7684\u65f6\u95f4\u5c31\u88ab\u6390\u65ad\u4e86\uff0c\u505a\u4ec0\u4e48\u90fd\u4e0d\u5229\u7d22\u3002\u8ba9\u6211\u60f3\u8d77\u4e86\u963f\u74e6\u7684\u4e00\u53e5\u8bdd\uff0c\u201c\u4e3a\u4ec0\u4e48\u6211\u6709\u8fd9\u4e48\u591a\u65f6\u95f4\u5199\u6587\u7ae0\u5462\uff0c\u56e0\u4e3a\u6211\u5355\u8eab\u201d\uff0c\u597d\u4e86\uff0c\u6211\u4e5f\u4e0d\u8bf4\u4ec0\u4e48\u4e86\uff0c\u660e\u5929\u6211\u8981\u7761\u5230\u65e9\u4e0a10\u70b9\u3002<\/p>\n<p>\u6700\u8fd1\u65f6\u95f4\u7cbe\u529b\uff0c\u6240\u4ee5\u5185\u5bb9\u6211\u5c3d\u53ef\u80fd\u7cbe\u7b80\uff0c\u4e00\u4e9b\u4ee5\u5f80\u53ef\u80fd\u4f1a\u5c55\u793a\u7684\u90e8\u5206\u622a\u56fe\u7684\u4eca\u5929\u4ece\u7701\u4e86\u3002\u672c\u6587\u6700\u6700\u91cd\u8981\u7684\u5185\u5bb9\u5176\u5b9e\u4e0d\u662f\u8bb2rgba\uff0c\u800c\u662f\u4ecb\u7ecd\u5982\u4f55\u5728IE\u4e0b\u4e5f\u80fd\u5b9e\u73b0\u534a\u900f\u660e\u7684\u80cc\u666f\u6548\u679c\uff0c\u5a46\u5988\u7684\u8bdd\u5c31\u4e0d\u8bf4\u4e86\uff0c\u76f4\u5954\u4e3b\u9898\u3002<\/p>\n<h3>\u4e8c\u3001\u7b80\u5355\u8bf4\u4e0bRGBA\u989c\u8272<\/h3>\n<p>\u6240\u8c13RGBA\u989c\u8272\uff0c\u987e\u540d\u601d\u610f\u5c31\u662fR+G+B+A\u7684\u989c\u8272\uff0c\u518d\u5177\u4f53\u70b9\u5c31\u662fRED+GREEN+BLUE+ALPHA\u7684\u989c\u8272\uff0c\u5c0f\u5199\u4e00\u4e0b\u5c31\u662fred+green+blue+alpha\u7684\u989c\u8272\uff0c\u7ffb\u8bd1\u4e00\u4e0b\u5c31\u662f\u7ea2+\u7eff+\u84dd+Alpha\u900f\u660e\u7684\u989c\u8272\u3002<\/p>\n<p>\u5173\u4e8ergba\u7684\u57fa\u7840\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u60a8\u53ef\u4ee5\u53c2\u89c1\u8fd9\u91cc\uff1a<a target=\"_blank\" class=\"a_link\" href=\"http:\/\/www.zhangxinxu.com\/css3\/css3-rgba-colors.php\">CSS3 RGBA colors\u4f7f\u7528\u53c2\u8003\u6307\u5357<\/a><\/p>\n<p>\u6211\u4eec\u5e73\u65f6\u7528\u7684\u8f83\u591a\u7684\u662f16\u8fdb\u5236\u989c\u8272\uff0c\u4f8b\u5982\u9ed1\u8272#000000;\u767d\u8272#FFFFFF\uff0c\u8fd9\u4e9b\u662f16\u8fdb\u5236\u8868\u793a\u7684\u989c\u8272\uff0c\u5982\u679c\u4f7f\u7528RGB\u989c\u8272\u8868\u793a\u5c31\u662frgb(0, 0, 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type=\"text\/css\">\ntr.work td{\n\tbackground:#cad5eb;\n}\n<\/style>\n<table class=\"params_table\" cellpadding=\"0\" cellspacing=\"1\" width=\"100%\">\n<tbody>\n<tr>\n<th>\u6d4f\u89c8\u5668\u3001\u7248\u672c\u3001\u5e73\u53f0<\/th>\n<th>\u7ed3\u679c<\/th>\n<th>\u540e\u5907<\/th>\n<\/tr>\n<tr class=\"work\">\n<td>Firefox 3.6 (OS X)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Firefox 3.0.5 (OS X)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Firefox 3.0.5 (Windows XP, Vista)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"not\">\n<td>Firefox 2.0.0.18 (PC)<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Safari 4 (Developer Preview &amp; 4.0.4, OS X)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Safari 3.2.1 (OS X, Windows XP)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Mobile Safari (iPhone)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"not\">\n<td>Opera 9.6.1<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Opera 10 Beta (Linux &amp; Windows)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Opera 10.10 (OS X)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"not\">\n<td>IE 4.01<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u6ca1\u6709\u989c\u8272<\/td>\n<\/tr>\n<tr class=\"not\">\n<td>IE 5.5 (PC via IETester)<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u6ca1\u6709\u989c\u8272<\/td>\n<\/tr>\n<tr class=\"not\">\n<td>IE 6 (PC via IETester)<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"not\">\n<td>IE 7<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"not\">\n<td>IE 8 (Beta 2 &amp; release version)<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Google Chrome 0.4.154.33 (Windows XP)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Google Chrome 1.0.154.46 (Windows XP)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Google Chrome 4.0.249.49 (OS X)<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"not\">\n<td>Netscape 4.8 (PC)<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u6ca1\u6709\u989c\u8272<\/td>\n<\/tr>\n<tr class=\"not\">\n<td>Navigator 9.0.0.5 Linus<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"not\">\n<td>SeaMonkey 1.1.14<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u6ca1\u6709\u989c\u8272<\/td>\n<\/tr>\n<tr class=\"not\">\n<td>SeaMonkey 2.0<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Sunrise 1.7.5<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Stainless 0.2.5<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"no\">\n<td>Flock 1.2.7<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Flock 2.0.2<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"work\">\n<td>BlackBerry Storm Browser<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"not\">\n<td>Camino 1.6.6<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"work\">\n<td>Camino 2.0b1<\/td>\n<td>\u4f5c\u7528<\/td>\n<td> &#8212; <\/td>\n<\/tr>\n<tr class=\"not\">\n<td>Iceape 1.1.14 (Linux)<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"not\">\n<td>Kazehakase 0.5.2 (Linux)<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<tr class=\"not\">\n<td>Avant 11.7 (Windows XP)<\/td>\n<td>\u65e0\u4f5c\u7528<\/td>\n<td>\u5b9e\u8272<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5bf9\u4e8ergba\u7684\u4f7f\u7528\uff0c\u60a8\u53ef\u4ee5\u53c2\u89c1\u4e0b\u9762\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>background:rgba(200, 54, 54, 0.5);\n<\/pre>\n<\/div>\n<p>\u5176\u4e2d\uff0c\u8868\u793a\u534a\u900f\u660e\u5ea6\u76840.5\u524d\u9762\u76840\u662f\u53ef\u4ee5\u7701\u6389\u7684\uff0c\u76f4\u63a5.5\u4e5f\u662f\u53ef\u4ee5\u7684\u3002<\/p>\n<p>\u6b63\u5982\u4e0a\u8868\u6240\u5c55\u793a\u7684\uff0cIE8\u53ca\u5176\u4ee5\u4e0b\u90fd\u5bf9\u5b9e\u7528\u7684rgba\u989c\u8272\u4e0d\u652f\u6301\uff0c\u600e\u4e48\u534a\u5462\uff1f<\/p>\n<p>\u5176\u5b9e\u7ec6\u60f3\u4e00\u4e0b\uff0crgba\u989c\u8272\u591a\u4e86\u4e2a\u4ec0\u4e48\u4e1c\u897f\u5462\uff0c\u4e0d\u5c31\u662f\u534a\u900f\u660e\u5417\uff0cIE\u4e0d\u662f\u7531\u534a\u900f\u660e\u6ee4\u955c\u561b\uff0c\u6211\u4eec\u53ea\u8981\u4f7f\u7528\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>filter:alpha(opacity=50);<\/pre>\n<\/div>\n<p>\u4e0d\u4e5f\u5f88ok\u5417\uff1f<\/p>\n<p>\u662f\u5417\uff1f\u53ea\u8981\u9759\u4e0b\u6765\u4e00\u60f3\uff0c\u5b8c\u5168\u4e0d\u662f\u90a3\u4e48\u56de\u4e8b\uff0cIE\u534a\u900f\u660e\u6ee4\u955c\u900f\u660e\u7684\u662f\u6574\u4e2a\u5143\u7d20\uff0c\u5b83\u53ef\u4ee5\u53ea\u900f\u660e\u5143\u7d20\u7684\u8fb9\u6846\u5417\uff1f\u5b83\u53ef\u4ee5\u53ea\u900f\u660e\u6587\u5b57\u7684\u6295\u5f71\u5417\uff1f\u90fd\u4e0d\u884c\u3002<\/p>\n<p>\u6b63\u6240\u8c13\u8f66\u5230\u5c71\u524d\u5fc5\u6709\u8def\uff0cIE\u4e0b\u67d0\u4e00\u5c5e\u6027\u662f\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u4e8ergba\u7684\u6548\u679c\u7684\uff0c\u90a3\u5c31\u662f\u534a\u900f\u660e\u80cc\u666f\u3002<\/p>\n<h3>\u4e09\u3001IE\u4e0b\u80cc\u666f\u534a\u900f\u660e\u7684\u65b9\u6848<\/h3>\n<p>\u5b9e\u73b0IE\u4e0b\u4ec5\u4ec5\u80cc\u666f\u8272\u7684\u534a\u900f\u660e\u6ca1\u6709\u4ec0\u4e48\u7384\u4e4e\u7684\uff0c\u5c31\u662fIE\u6ee4\u955c\uff0c\u51c6\u786e\u7684\u8bb2\u662fIE\u6e10\u53d8\u6ee4\u955c\u3002\u5173\u4e8eIE\u6e10\u53d8\u6ee4\u955c\uff0c\u6211\u66fe\u5728\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=743\">CSS\u5b9e\u73b0\u517c\u5bb9\u6027\u7684\u6e10\u53d8\u80cc\u666f(gradient)\u6548\u679c<\/a>\u201d\u4e00\u6587\u4e2d\u6709\u8fc7\u4e00\u4e9b\u4ecb\u7ecd\uff0c\u4f46\u662f\u4e0d\u662f\u5f88\u5168\u3002<\/p>\n<p>\u8fd9\u91cc\u53ef\u4ee5\u7a0d\u5fae\u5728\u8865\u5145\u4e0b\u4e0b\uff1a<br \/>\n\u6b64\u6ee4\u955c\u4e0a\u534a\u8eab\u7279\u5f81\u662f FILTER:progid:DXImageTransform.Microsoft.Gradient<br \/>\n\u6700\u7b80\u5355\u7684\u4f7f\u7528\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>filter:progid:DXImageTransform.Microsoft.Gradient(startColorStr=#AARRGGBB,endColorStr=i#AARRGGBB)<\/pre>\n<\/div>\n<p>startColorStr:\u53ef\u9009\u9879\u3002\u5b57\u7b26\u4e32(String)\u3002\u8bbe\u7f6e\u6216\u68c0\u7d22\u8272\u5f69\u6e10\u53d8\u7684\u5f00\u59cb\u989c\u8272\u548c\u900f\u660e\u5ea6\u3002<br \/>\n\u3000\u3000\u5176\u683c\u5f0f\u4e3a #AARRGGBB \u3002 AA \u3001 RR \u3001 GG \u3001 BB \u4e3a\u5341\u516d\u8fdb\u5236\u6b63\u6574\u6570\u3002\u53d6\u503c\u8303\u56f4\u4e3a 00 &#8211; FF \u3002 RR \u6307\u5b9a\u7ea2\u8272\u503c\uff0c GG \u6307\u5b9a\u7eff\u8272\u503c\uff0c BB \u6307\u5b9a\u84dd\u8272\u503c\uff0c\u53c2\u9605 #RRGGBB \u989c\u8272\u5355\u4f4d\u3002 AA \u6307\u5b9a\u900f\u660e\u5ea6\u3002 00 \u662f\u5b8c\u5168\u900f\u660e\u3002 FF \u662f\u5b8c\u5168\u4e0d\u900f\u660e\u3002\u8d85\u51fa\u53d6\u503c\u8303\u56f4\u7684\u503c\u5c06\u88ab\u6062\u590d\u4e3a\u9ed8\u8ba4\u503c\u3002<br \/>\n\u3000\u3000\u53d6\u503c\u8303\u56f4\u4e3a #FF000000 &#8211; #FFFFFFFF \u3002\u9ed8\u8ba4\u503c\u4e3a #FF0000FF \u3002\u4e0d\u900f\u660e\u84dd\u8272\u3002<br \/>\nEndColorStr:\u53ef\u9009\u9879\u3002\u5b57\u7b26\u4e32(String)\u3002\u8bbe\u7f6e\u6216\u68c0\u7d22\u8272\u5f69\u6e10\u53d8\u7684\u7ed3\u675f\u989c\u8272\u548c\u900f\u660e\u5ea6\u3002\u53c2\u9605 startColorStr \u5c5e\u6027\u3002\u9ed8\u8ba4\u503c\u4e3a #FF000000 \u3002\u4e0d\u900f\u660e\u9ed1\u8272\u3002 <\/p>\n<p>\u6b64\u6ee4\u955c\u8fd8\u6709\u8bf8\u5982Enabled\u53c2\u6570\u548cGradientType\u53c2\u6570\uff0c\u5177\u4f53\u542b\u4e49\u4e0d\u662f\u672c\u6587\u91cd\u70b9\uff0c\u63a0\u8fc7~~<\/p>\n<p>\u6211\u4eec\u5173\u5fc3\u7684\u662f\u8fd9\u91cc\u7684\u989c\u8272\u8868\u793a\uff0c\u5373<code>#AARRGGBB<\/code>\uff0c\u770b\u5230\u8fd9\u91cc\u524d\u9762\u7684\u4e24\u4e2aAA\u5b57\u6bcd\u6ca1\uff0c\u8fd9\u4e2aAA\u4e0d\u662f\u6307\u5403\u996dK\u6b4c\u7684AA\uff0c\u800c\u662f\u6307rgba\u4e2d\u7684\u90a3\u4e2aa\uff0c\u4e5f\u5c31\u662f\u900f\u660e\u5ea6\u7684\u610f\u601d\uff0c\u53ea\u662f\u4e0ergba\u4e0d\u540c\u7684\u662f\uff0c\u8fd9\u91cc\u7684AA\u662f\u8981\u752816\u8fdb\u5236\u8868\u793a\u7684\uff08\u975e\u5c0f\u6570\u503c\uff09\uff0c\u4e5f\u5c31\u662f\u4ece00~FF\uff0c00\u8868\u793a\u5b8c\u5168\u900f\u660e\u4e86\uff0cFF\u5219\u76f8\u5f53\u4e8ergba\u4e2d1\uff0c\u8868\u793a\u5b8c\u5168\u4e0d\u900f\u660e\u5b9e\u8272\u4e00\u4e2a\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u73b0\u5728\u8fd9\u4e2a\u4e70\u5356\u597d\u505a\u4e86\uff0c\u5c31\u50cf\u867d\u7136\u95eb\u51e4\u5a07\u548c\u963f\u5a07\u957f\u76f8\u5dee\u5f02\u5f88\u5927\uff0c\u4f46\u662f\u90fd\u662f\u5f88\u6e05\u7eaf\u7684\u5973\u751f\uff0c\u4e8e\u662f\u5462\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5b9e\u73b0\u517c\u5bb9\u6027\uff0c\u5b9e\u73b0\u7edf\u4e00\u4e86\u3002<\/p>\n<h3>\u56db\u3001rgba+filter\u5b9e\u73b0\u517c\u5bb9\u6027\u7684\u534a\u900f\u660e\u80cc\u666f\u6548\u679c<\/h3>\n<p>\u53c2\u89c1\u5982\u4e0b\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>background:rgba(0,0,0,0.5); filter: progid:DXImageTransform.Microsoft.gradient(startcolorstr=#7F000000,endcolorstr=#7F000000);<\/pre>\n<\/div>\n<p>\u4e0a\u9762\u4ee3\u7801\u6240\u5b9e\u73b0\u7684\u6548\u679c\u662f\u8ba9\u6240\u6709\u4e3b\u6d41\u6d4f\u89c8\u5668\u4e0b\u5143\u7d20\u53ef\u4ee5\u5b9e\u73b050%\u900f\u660e\u7684\u9ed1\u8272\u80cc\u666f\u3002\u7c7b\u4f3c\u4e0b\u9762\u7684\u6548\u679c\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201801\/wilcoxrgba.jpg\" width=\"523\" height=\"428\" alt=\"\u534a\u900f\u660e\u9ed1\u8272\u6548\u679c\u793a\u610f\" class=\"alignnone\" \/><\/p>\n<h3>\u4e94\u3001\u5b9e\u9645\u7684\u5e94\u7528<\/h3>\n<p>\u5982\u679c\u80fd\u591f\u76f4\u63a5\u5b9e\u73b0\u517c\u5bb9\u6027\u7684\u80cc\u666f\u8272\uff0c\u90a3\u4e48\u5f88\u591a\u4e8b\u60c5\u5c31\u597d\u529e\u4e86\u3002\u4f8b\u5982\u6211\u4eec\u8981\u5b9e\u73b0\u517c\u5bb9\u6027\u7684\u534a\u900f\u660e\u8fb9\u6846\uff0c\u5c31\u4e0d\u9700\u8981\u4e0a\u4e0b\u5de6\u53f3\u62fc\u51d1\u4e86\uff0c\u6700\u597d\u7684\u4f8b\u5b50\u83ab\u8fc7\u4e8ejQuery\u7684boxy\u5f39\u51fa\u5c42\u6548\u679c\u4e86\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"556\" height=\"115\" class=\"alignnone\" title=\"\u4e2d\u6587\u6c49\u5316\u540e\u7684boxy\u63d2\u4ef6\u7684\u9884\u89c8\u56fe \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/200911\/2009-11-02_224800.png\" style=\"margin-top: 10px;\" alt=\"\u4e2d\u6587\u6c49\u5316\u540e\u7684boxy\u63d2\u4ef6\u7684\u9884\u89c8\u56fe \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\"><\/p>\n<p>\u770b\u5230\u4e0a\u9762\u7684\u9ed1\u8272\u7684\u534a\u900f\u660e\u8fb9\u6846\u6ca1\uff0c\u7531\u4e8e\u517c\u5bb9\u6027\u7684\u95ee\u9898\uff0c\u8fd9\u91cc\u7684\u5706\u89d2\u9ed1\u8272\u534a\u900f\u660e\u8fb9\u6846\u662f\u600e\u4e48\u5b9e\u73b0\u7684\u5462\uff1f\u662f\u56db\u89d2\u7684\u56fe\u7247+\u56db\u8fb9\u7684opacity\u534a\u900f\u660e\u62fc\u63a5\u5b9e\u73b0\u7684\uff0c\u4e0d\u53ef\u4e0d\u8c13\u6d88\u8017\u5de8\u5927\u3002<\/p>\n<p>\u5176\u5b9e\uff0c\u4e00\u5207\u90fd\u53ef\u4ee5\u5f88\u8f7b\u677e\u7684\u3002\u5e94\u7528\u672c\u6587\u6240\u53d9\u8ff0\u7684\u534a\u900f\u660e\u80cc\u666f\u8272\u65b9\u6cd5\uff0c\u52a0\u4e0a\u4e00\u70b9\u6e10\u8fdb\u589e\u5f3a\uff0c\u6211\u4eec\u6765\u770b\u770b\u5982\u679c\u6700\u9ad8\u6548\u7684\u5b9e\u73b0\u9ed1\u8272\u534a\u900f\u660e\u8fb9\u6846\uff0c\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre name=\"code\" class=\"css\">\n.opacity_bg_box{\n    background:rgba(0,0,0,0.5);\n    border-radius:5px;\n    filter:progid:DXImageTransform.Microsoft.gradient(startcolorstr=#7F000000,endcolorstr=#7F000000);\n    padding:8px;\n    position:absolute;\n    top:20px;\n}\n.opacity_in_box{\n    border:1px solid #f0f3f9;\n    background:white;\n    font-size:0;\n}<\/pre>\n<\/div>\n<p>\u5bf9\u4e8eHTML\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;div class=\"opacity_bg_box\">\n    &lt;div class=\"opacity_in_box\">\n        &lt;img src=\"mm13.jpg\" \/>\n    &lt;\/div>\n&lt;\/div><\/pre>\n<p>\u7ed3\u679cChrome\u6d4f\u89c8\u5668\u4e0b\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201801\/2018-01-01_171709.png\" width=\"358\" height=\"283\" alt=\"Chrome\u6d4f\u89c8\u5668\u4e0b\u7684RGBA\u80cc\u666f\u8272\" class=\"alignnone\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"IE6\u4e0b\u534a\u900f\u660e\u8fb9\u6846\u6548\u679c\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201005\/2010-05-28_235044.png\" width=\"352\" height=\"261\" \/><\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a target=\"_blank\" class=\"a_link\" href=\"http:\/\/www.zhangxinxu.com\/study\/201005\/bg-color-opacity-demo.html\">\u517c\u5bb9\u6027\u534a\u900f\u660e\u80cc\u666f\u8272demo<\/a><\/p>\n<h3>\u516d\u3001\u7ed3\u8bed<\/h3>\n<p>\u867d\u7136IE\u6ee4\u955c\u8fd9\u4e2a\u4e1c\u897f\u5c3d\u91cf\u907f\u514d\u5b9e\u73b0\uff0c\u4f46\u662f\u5728\u6709\u4e9b\u7279\u6b8a\u60c5\u51b5\u4e0b\uff0c\u6743\u8861\u4e0b\u6765\uff0c\u6b64\u5904\u7684\u65b9\u6cd5\u8fd8\u662f\u6709\u4e00\u5b9a\u7684\u4f7f\u7528\u4ef7\u503c\u7684\u3002\u5982\u679c\u4e00\u5207\u90fd\u662f\u6211\u505a\u4e3b\uff0c\u6211\u53ef\u80fd\u5c31\u4f1a\u8ba9IE\u6d4f\u89c8\u5668\u76f4\u63a5\u5b9e\u8272\u8868\u793a\u4e86\uff0c\u6bd5\u7adf\uff0c\u4e3b\u8981\u7684\u529f\u80fd\u6ca1\u6709\u591a\u5927\u5f71\u54cd\uff0c\u5176\u6b21\uff0c\u5b9e\u8272\u4e5f\u662f\u86ee\u597d\u770b\u7684\uff0c\u6743\u8861\u5229\u5f0a\uff0cIE\u7684\u8868\u73b0\u7a0d\u900a\u4e00\u70b9\u53cd\u800c\u662f\u4e0a\u4f73\u9009\u62e9\uff0c\u5f53\u7136\uff0c\u8fd9\u53ea\u662f\u6211\u4e2a\u4eba\u7684\u770b\u6cd5\uff0c\u6bcf\u4e2a\u4eba\u7684\u7ecf\u5386\uff0c\u5173\u6ce8\u7684\u9886\u57df\uff0c\u4ee5\u53ca\u7ecf\u9a8c\u7684\u4e0d\u540c\u4f1a\u5bfc\u81f4\u5bf9\u95ee\u9898\u770b\u6cd5\u7684\u4e0d\u540c\uff0c\u60a8\u53ef\u80fd\u4e0d\u8ba4\u4e3a\u5982\u6b64\u3002\u597d\u4e86\uff0c\u5c31\u8fd9\u4e48\u591a\uff0c\u6211\u786e\u5b9e\u7d2f\u7684\u4e0d\u884c\u4e86\uff0c\u5973\u4eba\u592a\u70e6\u4e86\u771f\u662f\u9ebb\u70e6~~~<\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea<a href=\"http:\/\/www.zhangxinxu.com\/\">\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<\/a>[<a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a>]<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=839\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=839<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=839\"><img loading=\"lazy\" decoding=\"async\" width=\"556\" height=\"115\" class=\"mb10\" title=\"RGBA\u989c\u8272\u4e0e\u517c\u5bb9\u6027\u7684\u534a\u900f\u660e\u80cc\u666f\u8272 \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/200911\/2009-11-02_224800.png\" 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