{"id":3373,"date":"2014-09-07T03:20:34","date_gmt":"2014-09-07T03:20:34","guid":{"rendered":"http:\/\/www.wpadmin.cn\/blog\/?p=3373"},"modified":"2014-09-07T03:23:44","modified_gmt":"2014-09-07T03:23:44","slug":"%e7%bd%91%e7%ab%99%e5%89%8d%e5%8f%b0%e9%a1%b5%e9%9d%a2%e4%bc%98%e5%8c%96%e8%af%a6%e7%bb%86%e6%95%99%e7%a8%8b%ef%bc%88%e4%ba%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wpadmin.cn\/blog\/3373.html","title":{"rendered":"\u7f51\u7ad9\u524d\u53f0\u9875\u9762\u4f18\u5316\u8be6\u7ec6\u6559\u7a0b\uff08\u4e8c\uff09"},"content":{"rendered":"<p>\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0<a href=\"http:\/\/www.wpadmin.cn\/blog\/3372.html\" 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\/>\n<strong>\u3000\u30002. \u68c0\u67e5\u6240\u6709\u7b2c\u4e09\u65b9\u7ec4\u4ef6\u7684\u5927\u5c0f<\/strong><br \/>\n\u793e\u4ea4\u7f51\u7edc\u5e76\u4e0d\u662f\u552f\u4e00\u7684\u539f\u56e0\uff0c\u5176\u5b83\u7b2c\u4e09\u65b9\u7684\u7ec4\u4ef6\u4e5f\u5927\u5927\u589e\u5927\u4e86\u4f60\u7f51\u7ad9\u7684\u5927\u5c0f\uff0c\u8fd9\u4e9b\u7ec4\u4ef6\u6709\u65f6\u5019\u751a\u81f3\u4f1a\u52a0\u8f7d\u5176\u5b83\u7f51\u7ad9\u7684\u5185\u5bb9\uff0c\u8fd9\u4e9b\u52a0\u8f7d\u7684\u6570\u636e\u53ef\u80fd\u9ad8\u8fbe\u51e0\u767eKB\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5fc5\u987b\u8981\u4f7f\u7528\u8fd9\u4e2a\u7ec4\u4ef6\uff0c\u90a3\u6211\u4eec\u8981\u8003\u8651\u7684\u5c31\u662f\u5982\u4f55\u66f4\u597d\u7684\u5904\u7406\u548c\u7b80\u5316\u8fd9\u4e2a\u7ec4\u4ef6\u4e86\u3002\u7406\u60f3\u60c5\u51b5\u4e0b\uff0cJavaScript\u7ec4\u4ef6\u5e94\u8be5\u90fd\u662f\u8f7b\u91cf\u7ea7\u7684\uff0c\u5b83\u4eec\u5728\u9875\u9762\u5e95\u90e8\u88ab\u52a0\u8f7d\uff0c<br \/>\n<strong>\u3000\u30003. \u8003\u8651\u4f7f\u7528\u61d2\u52a0\u8f7d\u6216\u5185\u5bb9\u70b9\u64ad<\/strong><br \/>\n\u5047\u8bbe\u4f60\u7684\u7f51\u7ad9\u662f\u7528\u6765\u663e\u793a\u89c6\u9891\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u89c6\u9891\u3002\u65e0\u8bba\u7528\u6237\u662f\u5426\u6709\u610f\u8981\u64ad\u653e\uff0c\u9875\u9762\u90fd\u4f1a\u52a0\u8f7d\u89c6\u9891API\u548c\u5176\u5b83\u76f8\u5173\u7684\u8d44\u6e90\u3002\u4e3a\u4ec0\u4e48\u4e0d\u8ba9\u7528\u6237\u8bf7\u6c42\u4e4b\u540e\u518d\u52a0\u8f7d\u8fd9\u4e9b\u4e1c\u897f\u5462\uff1f<\/p>\n<p>\u4f60\u4e5f\u53ef\u4ee5\u91c7\u7528\u6eda\u52a8\u5f0f\u9875\u9762\uff0c\u5728\u7528\u6237\u5f80\u4e0b\u62c9\u6eda\u52a8\u6761\u65f6\u518d\u5f00\u59cb\u52a0\u8f7d\u65b0\u7684\u5185\u5bb9\uff0c\u8fd9\u6837\u505a\u867d\u7136\u53ef\u80fd\u4f1a\u5bf9SEO\u9020\u6210\u5f71\u54cd\uff0c\u4f46\u662f\u5728\u7279\u5b9a\u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u7167\u7247\u5c55\u793a\uff0c\u5fae\u535a\u5185\u5bb9\u5c55\u793a\u7b49\u90fd\u4f1a\u6709\u4e0d\u9519\u7684\u6548\u679c\u3002<br \/>\n<strong>\u3000\u30004. \u7528CSS\u53d6\u4ee3\u56fe\u7247<\/strong><br \/>\n\u4f60\u8fd8\u5728\u7528\u5207\u7247\u6280\u672f\u521b\u5efa\u56fe\u7247\u7684\u5706\u89d2\u8fb9\u6846\u7b49\u6837\u5f0f\u5417\uff1f\u6211\u4eec\u90fd\u77e5\u9053\uff0cCS<a href=\"http:\/\/www.gbtags.com\/gb\/tag\/1002.htm\">S<\/a>\u53ef\u4ee5\u751f\u6210\u5f88\u591a\u79cd\u524d\u53f0\u6548\u679c\uff0c\u5305\u62ec\u5404\u79cd\u6837\u5f0f\u7684\u6309\u94ae\uff0c\u80cc\u666f\u2026\u2026\u867d\u7136\u4ed6\u4eec\u5728\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\u4e2d\u53ef\u80fd\u4f1a\u6709\u4e0d\u540c\u7684\u5c55\u793a\u6837\u5f0f\uff0c\u4f46\u7528\u6237\u5e76\u4e0d\u4f1a\u5728\u610f\u8fd9\u4e9b\uff0c\u4ed6\u4eec\u4e0d\u4f1a\u50cf\u4f60\u4e00\u6837\u5f00\u5f88\u591a\u4e2a\u6d4f\u89c8\u5668\u5bf9\u6bd4\u540c\u6837\u7684\u4ee3\u7801\u4f1a\u6709\u4ec0\u4e48\u6837\u7684\u533a\u522b\u3002<\/p>\n<p>\u4f60\u5b8c\u5168\u4e0d\u7528\u62c5\u5fc3\u53e4\u4ee3\u6d4f\u89c8\u5668\u4f1a\u5bf9CSS\u6837\u5f0f\u9020\u6210\u5f71\u54cd\uff0c\u5f53\u4f60\u6784\u5efa\u4e00\u4e2a\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u7684\u9875\u9762\uff0c\u4f60\u8981\u901a\u914d\u5404\u79cd\u5927\u5c0f\u7684\u5c4f\u853d\uff0c\u8fd9\u4e2a\u65f6\u5019\u5982\u679c\u4f60\u8fd8\u662f\u7528\u56fe\u7247\u5c31\u4f1a\u6709\u5f88\u591a\u95ee\u9898\uff0c\u6240\u4ee5CSS\u662f\u5f88\u597d\u7684\u9009\u62e9\u3002<\/p>\n<p>\u4e0d\u8fc7\u9700\u8981\u6ce8\u610f\u7684\u662f\u91cd\u7ed8CSS\u7684\u9634\u5f71\u548c\u68af\u5ea6\u4ee3\u4ef7\u4e5f\u662f\u975e\u5e38\u5927\u7684\uff0c\u7279\u522b\u662f\u4f60\u540c\u65f6\u5728\u51e0\u5341\u4e2a\u5143\u7d20\u4e2d\u90fd\u6dfb\u52a0\u4e86\u8fd9\u4e9b\u7279\u6027\u3002\u6240\u4ee5\u4f60\u5fc5\u987b\u591a\u6b21\u53bb\u5b9e\u8df5\uff0c\u5bf9\u6bd4\u5728\u4f60\u7684\u7f51\u7ad9\u4e2d\u662f\u7528CSS\u597d\u8fd8\u662f\u7528\u56fe\u7247\u597d\u3002\u8fd9\u4e9b\u90fd\u8981\u56e0\u7f51\u7ad9\u5177\u4f53\u60c5\u51b5\u800c\u5b9a\u3002<br \/>\n<strong>\u3000\u30005. \u7528CSS\u6548\u679c\u548c\u52a8\u753b\u53d6\u4ee3JavaScript<\/strong><br 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\u4e5f\u5e76\u4e0d\u662f\u4e00\u5957\u5b8c\u7f8e\u7684\u54cd\u5e94\u5f0f\u56fe\u7247\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5f53\u5b83\u9002\u5b9c\u4f60\u7684\u5e94\u7528\u573a\u666f\u65f6\uff0c\u6bd4\u5982\uff1a<\/p>\n<ul>\n<li>\u4f60\u7684\u7f51\u7ad9\u662f\u6241\u5e73\u5316\u6216\u7b80\u7ea6\u98ce\u683c\uff0c\u56fe\u6807\u6837\u5f0f\u5355\u4e00\uff0c\u989c\u8272\u4e3a\u7eaf\u8272\u3002<\/li>\n<li>\u4f60\u7684\u76ee\u6807\u7528\u6237\u4f7f\u7528\u684c\u9762\u6d4f\u89c8\u5668\u4e3a\u4e3b\uff0c\u6216\u8005\uff0c<\/li>\n<li>\u4f60\u613f\u610f\u4e3a\u975e\u517c\u5bb9\u8bbe\u5907\u505a\u517c\u5bb9hack\u3002<\/li>\n<\/ul>\n<p>icon fonts \u662f\u4e00\u4e2a\u4ee4\u8bbe\u8ba1\u5e08\u548c\u524d\u7aef\u5de5\u7a0b\u5e08\u90fd\u5fc3\u82b1\u6012\u653e\u7684\u65b9\u6848\u3002<\/p>\n<p>icon fonts \u7684\u5236\u4f5c\u4e3b\u8981\u6709\u4e24\u6761\u601d\u8def\uff1a<\/p>\n<ol>\n<li>\u5229\u7528\u5b57\u4f53\u5de5\u5177\u624b\u52a8\u5236\u4f5c<\/li>\n<li>\u5229\u7528\u5728\u7ebf\u5de5\u5177\u81ea\u52a8\u751f\u6210<\/li>\n<\/ol>\n<p><strong>\u3000\u30008.\u00a0\u4f7f\u7528sprite\u6765\u4f18\u5316\u56fe\u7247\u8d44\u6e90<\/strong><br \/>\nSprite\u201d(\u7cbe\u7075)\u8fd9\u4e2a\u8bcd\u5728\u8ba1\u7b97\u673a\u56fe\u5f62\u5b66\u4e2d\u6709\u5b83\u72ec\u7279\u7684\u5b9a\u4e49\uff0c\u7531\u4e8e\u6e38\u620f\u3001\u89c6\u9891\u7b49\u753b\u8d28\u8d8a\u6765\u8d8a\u9ad8\uff0c\u5fc5\u987b\u6709\u4e00\u79cd\u6280\u672f\u53ef\u4ee5\u667a\u80fd\u7684\u5904\u7406\u6750\u8d28\u548c\u8d34\u56fe\uff0c\u5e76\u4e14\u8981\u540c\u65f6\u4fdd\u6301\u753b\u9762\u6d41\u7545\u3002\u201cSprite\u201d\u5c31\u662f\u8fd9\u6837\u4e00\u79cd\u6280\u672f\uff0c\u5b83\u5c06\u8bb8\u591a\u56fe\u7247\u7ec4\u5408\u5230\u4e00\u4e2a\u7f51\u683c\u4e0a\uff0c\u7136\u540e\u901a\u8fc7\u7a0b\u5e8f\u5c06\u6bcf\u4e2a\u7f51\u683c\u7684\u5185\u5bb9\u5b9a\u4f4d\u5230\u753b\u9762\u4e0a\u3002<\/p>\n<p>Sprite\u88ab\u5b9a\u4f4d\u5230\u4e00\u526f\u9759\u6001\u56fe\u7247\u4e0a\uff0c\u5e76\u4e14\u901a\u8fc7\u7b80\u5355\u7684\u7a0b\u5e8f\u6216\u786c\u4ef6\u5373\u53ef\u6b63\u786e\u5b9a\u4f4d\u5230\u753b\u9762\u4e0a\uff0c\u4e00\u5e45\u5e45\u56fe\u7247\u5c31\u50cf\u662f\u88ab\u201c\u53d8\u201d\u51fa\u6765\u7684\uff0c\u4ed6\u4eec\u5e76\u6ca1\u6709\u5355\u72ec\u5360\u7528\u5185\u5b58\uff0c\u6240\u4ee5\u88ab\u53d6\u540d\u4e3a\u201cSprite\u7cbe\u7075\u201d\u3002<\/p>\n<p>\u65f6\u95f4\u8fdb\u884c\u52302000\u5e74\uff0cWeb\u8bbe\u8ba1\u5411\u7740\u7cbe\u81f4\u3001\u5de7\u5999\u7684\u65b9\u5411\u53d1\u5c55\u3002\u8bbe\u8ba1\u5e08\u4eec\u5f00\u59cb\u8003\u8651\u4f7f\u7528\u975eJavascript\u7684\u65b9 \u5f0f\u5236\u4f5c\u9f20\u6807\u6ed1\u8fc7\u3001\u60ac\u505c\u83dc\u5355\u7684\u6548\u679c\uff0c\u8fd9\u65f6CSS Sprite\u5e94\u8fd0\u800c\u751f\uff0c\u5b83\u57fa\u4e8e\u540c\u4e0a\u6587\u63d0\u5230\u7684\u6e38\u620fSprite\u540c\u6837\u7684\u539f\u7406\uff0c\u5e76\u4e14\u4f7f\u7528CSS\u66f4\u5bb9\u6613\u63a7\u5236\uff0c\u5f88\u5feb\u7684\u6d41\u884c\u5f00\u6765\u3002<\/p>\n<p>\u5f53\u9875\u9762\u52a0\u8f7d\u65f6\uff0c\u4e0d\u662f\u52a0\u8f7d\u6bcf\u4e2a\u5355\u72ec\u56fe\u7247\uff0c\u800c\u662f\u4e00\u6b21\u52a0\u8f7d\u6574\u4e2a\u7ec4\u5408\u56fe\u7247\u3002\u8fd9\u662f\u4e00\u4e2a\u4e86\u4e0d\u8d77\u7684\u6539\u8fdb\uff0c\u5b83\u5927\u5927\u51cf\u5c11\u4e86HTTP\u8bf7\u6c42\u7684\u6b21\u6570\uff0c\u51cf\u8f7b\u670d\u52a1\u5668\u538b\u529b\uff0c\u540c\u65f6\u7f29\u77ed\u4e86\u60ac\u505c\u52a0\u8f7d\u56fe\u7247\u6240\u9700\u8981\u7684\u65f6\u95f4\u5ef6\u8fdf\uff0c\u4f7f\u6548\u679c\u66f4\u6d41\u7545\uff0c\u4e0d\u4f1a\u505c\u987f\u3002<\/p>\n<p>CSS Sprites\u53ef\u4ee5\u7528\u5728\u5f88\u591a\u573a\u5408\uff0c\u5927\u578b\u7f51\u7ad9\u53ef\u4ee5\u5c06\u8bb8\u591a\u5355\u72ec\u7684\u56fe\u7247\uff0c\u4ee5\u6709\u673a\u7684\u65b9\u5f0f\u7ec4\u5408\u8d77\u6765\uff0c\u4ece\u800c\u4f7f\u5176\u4fbf\u4e8e\u7ef4\u62a4\u548c\u66f4\u65b0\u3002\u56fe\u7247\u4e4b\u95f4\u901a\u5e38\u4f1a\u7559\u51fa\u8f83\u5927\u7684\u7a7a\u767d\uff0c\u4f7f \u5f97\u56fe\u7247\u4e0d\u4f1a\u5f71\u54cd\u7f51\u9875\u7684\u5185\u5bb9\u3002\u4f46\u540c\u65f6CSS Sprite\u5927\u591a\u4f7f\u7528\u4e8e\u8f83\u56fa\u5b9a\u7684\u50cf\u7d20\u5b9a\u4f4d\u4e2d\uff0c\u5b83\u7684\u5f39\u6027\u8f83\u5dee\uff0c\u6536\u5230\u5b9a\u4f4d\u7b49\u56e0\u7d20\u7684\u5236\u7ea6\u3002\u6240\u4ee5\uff0c\u4f60\u9700\u8981\u5728\u53ef\u7ef4\u62a4\u6027vs\u964d\u4f4e\u8d1f\u8f7d\u4e4b\u95f4\u6743\u8861\u5229\u5f0a\uff0c\u9009\u62e9\u6700\u9002\u5408\u4f60\u7684\u9879\u76ee \u7684\u65b9\u5f0f\u3002<\/p>\n<p>\u5728\u7f51\u7ad9\u56fe\u7247\u7684\u89e3\u51b3\u65b9\u6848\u4e2d\uff0cCSS3\u5e94\u8be5\u662f\u9996\u9009\uff0c\u5176\u6b21\u662fSVG\u548cicon font,\u6700\u540e\u624d\u662fBitmap\u3002\u7ecf\u5e38\u4f7f\u7528\u7684Bitmap\u6587\u4ef6\u5e94\u8be5\u6253\u5305\u653e\u5728\u4e00\u4e2a\u5355\u72ec\u7684sprite\u4e2d\uff0c\u8fd9\u6837\u4e00\u6765\u56fe\u7247\u5c31\u53ef\u4ee5\u5728CSS\u4e2d\u8bbf\u95ee\u5230\u4e86\uff0c\u50cf\u8fd9\u6837\uff1a<\/p>\n<div>\n<pre>    .sprite {\r\n    width: 16px;\r\n    height: 16px;\r\n    background: url(\"sprite.png\") 0 0 no-repeat;\r\n    }\r\n    .sprite.help { background-position: 0 -16px; }\r\n    .sprite.info { background-position: 0 -32px; }\r\n    .sprite.user { background-position: 0 -48px; }<\/pre>\n<\/div>\n<p><strong>\u3000\u30009. \u4f7f\u7528data URIs<\/strong><br \/>\n\u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u56fe\u7247\uff0c\u628a\u5b83\u5728\u7f51\u9875\u4e0a\u663e\u793a\u51fa\u6765\u7684\u6807\u51c6\u65b9\u6cd5\u662f\uff1a<\/p>\n<div>\n<pre>&lt;img src=\"http:\/\/gbtags.com\/images\/A.png\"\/&gt;<\/pre>\n<\/div>\n<p>\u8fd9\u79cd\u53d6\u5f97\u8d44\u6599\u7684\u65b9\u6cd5\u79f0\u4e3a http URI scheme \uff0c\u540c\u6837\u7684\u6548\u679c\u4f7f\u7528 data URI scheme \u53ef\u4ee5\u5199\u6210\uff1a<\/p>\n<div>\n<pre>    &lt;img src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAIAAAA\r\n    7ljmRAAAAGElEQVQIW2P4DwcMDAxAfBvMAhEQMYgcACEHG8ELxtbPAAAAAElFTkSuQmCC\" \/&gt;<\/pre>\n<\/div>\n<p>\u6362\u53e5\u8bdd\u8bf4\u6211\u4eec\u628a\u56fe\u50cf\u6863\u6848\u7684\u5185\u5bb9\u5185\u7f6e\u5728 HTML \u6863\u6848\u4e2d\uff0c\u8282\u7701\u4e86\u4e00\u4e2a HTTP \u8bf7\u6c42\u3002<\/p>\n<p>data uri\u7684\u4e3b\u8981\u4f18\u70b9\u662f\u51cf\u5c11\u4e86http\u8bf7\u6c42\u6570\uff0c\u8c03\u7528\u8d77\u6765\u6bd4css 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