{"id":4889,"date":"2015-07-31T22:20:50","date_gmt":"2015-07-31T14:20:50","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=4889"},"modified":"2017-11-02T22:27:11","modified_gmt":"2017-11-02T14:27:11","slug":"svg-circle-loading","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2015\/07\/svg-circle-loading\/","title":{"rendered":"\u5be5\u5be5\u6570\u884cSVG\u5b9e\u73b0\u5706\u73afloading\u6216\u5012\u8ba1\u65f6\u6548\u679c"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=4889<\/a><\/p>\n

\u4e00\u3001\u65e0\u9898<\/h3>\n

\u5982\u9898\u3002<\/p>\n

\u4e8e2017\u5e7411\u67082\u65e5\u65b0\u589e\u6848\u4f8b<\/strong><\/p>\n

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\"\u5f69\u6761\u5706\u73af\"<\/p>\n

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\n\"3\u4e2a\u5706\u73af\u5143\u7d20\"<\/p>\n

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\u4e8c\u3001\u5386\u53f2\u6b63\u6587<\/h3>\n

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\n\"loading\u6548\u679c\u622a\u56fe\"<\/p>\n

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\u54c8\uff0c\u5f53\u7136\u6709\uff0c\u53ef\u4ee5\u4f7f\u7528\u540c\u6837IE9+\u652f\u6301\u7684SVG.<\/p>\n

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\u62d6\u52a8demo\u4e0b\u9762\u7684range\u533a\u57df\u9009\u62e9\u63a7\u4ef6(0-100%)\u5c31\u4f1a\u53d1\u73b0\u84dd\u8272\u9ad8\u4eae\u5706\u73af\u8ddf\u7740\u4e00\u8d77\u53d8\u5316\u4e86\uff1a
\n\"\u5706\u73af\u6548\u679c\u622a\u56fe\"<\/p>\n

SVG\u4ee3\u7801\u975e\u5e38\u7b80\u5355\uff0c\u5982\u4e0b\u793a\u610f\uff1a<\/p>\n

\n
<svg width=\"440\" height=\"440\">\n    <circle cx=\"220\" cy=\"220\" r=\"170\" stroke-width=\"50\" stroke=\"#D1D3D7\" fill=\"none\"><\/circle>\n    <circle cx=\"220\" cy=\"220\" r=\"170\" stroke-width=\"50\" stroke=\"#00A5E0\" fill=\"none\" transform=\"matrix(0,-1,1,0,0,440)\" stroke-dasharray=\"0 1069\"<\/strong>><\/circle>\n<\/svg><\/pre>\n<\/div>\n
\u5176\u4e2d\uff0c\u4e0a\u9762\u7ea2\u8272\u52a0\u7c97\u7684\u5c31\u662f\u6548\u679c\u5b9e\u73b0\u7684\u5173\u952e\u3002<\/p>\n
stroke-dasharray<\/code>\u5728SVG\u4e2d\u8868\u793a\u63cf\u8fb9\u662f\u865a\u7ebf\uff0c\u4e24\u4e2a\u503c\uff0c\u7b2c\u4e00\u4e2a\u662f\u865a\u7ebf\u7684\u5bbd\u5ea6\uff0c\u7b2c\u4e8c\u4e2a\u662f\u865a\u7ebf\u4e4b\u95f4\u7684\u95f4\u8ddd\u3002\u4e0b\u9762\u5c31\u662f\u4e00\u4e9b\u865a\u7ebf\u6570\u636e\u503c\u4ee5\u53ca\u6700\u540e\u7684\u6548\u679c\u8868\u73b0\uff08\u5b9e\u65f6\uff0c\u975e\u622a\u56fe\uff0cIE9+\u6d4f\u89c8\uff09\uff1a<\/p>\n
\n
<?xml version=\"1.0\"?><\/span>\n<<\/span>svg<\/span> width<\/span>=<\/span>\"<\/span>200\"<\/span><\/span> height<\/span>=<\/span>\"<\/span>200\"<\/span><\/span> viewPort<\/span>=<\/span>\"<\/span>0 0 200 300\"<\/span><\/span> version<\/span>=<\/span>\"<\/span>1.1\"<\/span><\/span> xmlns<\/span>=<\/span>\"<\/span>http:\/\/www.w3.org\/2000\/svg\"<\/span><\/span>><\/span><\/span>\n\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>5, 5\"<\/span><\/span>              x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> \/><\/span><\/span>\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>5, 10\"<\/span><\/span>             x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>30\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>30\"<\/span><\/span> \/><\/span><\/span>\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>10, 5\"<\/span><\/span>             x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>50\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>50\"<\/span><\/span> \/><\/span><\/span>\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>5, 1\"<\/span><\/span>              x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>70\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>70\"<\/span><\/span> \/><\/span><\/span>\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>1, 5\"<\/span><\/span>              x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>90\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>90\"<\/span><\/span> \/><\/span><\/span>\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>0.9\"<\/span><\/span>               x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>110\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>110\"<\/span><\/span> \/><\/span><\/span>\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>15, 10, 5\"<\/span><\/span>         x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>130\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>130\"<\/span><\/span> \/><\/span><\/span>\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>15, 10, 5, 10\"<\/span><\/span>     x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>150\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>150\"<\/span><\/span> \/><\/span><\/span>\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>15, 10, 5, 10, 15\"<\/span><\/span> x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>170\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>170\"<\/span><\/span> \/><\/span><\/span>\n    <<\/span>line<\/span> stroke-dasharray<\/span>=<\/span>\"<\/span>5, 5, 1, 5\"<\/span><\/span>        x1<\/span>=<\/span>\"<\/span>10\"<\/span><\/span> y1<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> x2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> y2<\/span>=<\/span>\"<\/span>190\"<\/span><\/span> \/><\/span><\/span>\n\n<<\/span>style<\/span>><\/span><\/span><![CDATA[\nline{\n    stroke: black;\n    stroke-width: 2;\n}\n]]><\/span><\/<\/span>style<\/span>><\/span><\/span>\n<\/<\/span>svg<\/span>><\/span><\/span>
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<\/div><\/pre>\n<\/div>\n
<\/line>    <\/line>    <\/line>    <\/line>    <\/line>    <\/line>    <\/line>\n    <\/line>    <\/line>    <\/line>\n
<\/svg><\/p>\n
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\u8fd9\u91cc\u4e5f\u662f\u7c7b\u4f3c\u539f\u7406\u3002<\/p>\n
\u7406\u89e3\u4e86stroke-dasharray<\/code>\uff0c\u6211\u4eec\u7684\u4e8b\u60c5\u5c31\u7b80\u5355\u4e86\uff0c\u6211\u4eec\u53ea\u9700\u8981\u8ba9\u95f4\u8ddd\u6c38\u8fdc\u4e0d\u5c0f\u4e8e\u5706\u7684\u5468\u957f\uff0c\u7136\u540e\uff0c\u865a\u7ebf\u7684\u957f\u5ea6 = \u767e\u5206\u6bd4\u503c * \u5706\u7684\u5468\u957f<\/strong>\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
\u7b80\u5355\uff0c\u8d85\u4e4e\u60f3\u8c61\uff1a<\/p>\n
\n
\/\/ \u5047\u8bbe\u5468\u957f\u662f1068, percent\u662f\u767e\u5206\u6bd4\u503c<\/span>\ncircle.setAttribute('stroke-dasharray', 1068 * percent + \" 1069\");<\/pre>\n<\/div>\n
\u5c31OK\u4e86\u3002<\/p>\n
\u54e6~~\u5dee\u70b9\u5fd8\u4e86<\/strong>\u3002\u9ed8\u8ba4stroke-dasharray<\/code>\u7684\u8d77\u59cb\u4f4d\u7f6e\u5728\u53f3\u4fa7\uff0c\u800c\u4e0d\u662f\u4e0a\u65b9\uff0c\u56e0\u6b64\uff0c\u5076\u4eec\u9700\u8981\u4f7f\u7528transform<\/code>\u9006\u65f6\u9488\u65cb\u8f6c90\u00b0, \u8fd9\u5c31\u662f\u7b2c\u4e8c\u4e2acircle<\/code>\u5143\u7d20\u4e0a\u9762transform=\"matrix(0,-1,1,0,0,440)\"<\/code>\u7684\u7531\u6765\u3002<\/p>\n
\u66f4\u65b0\u4e8e2016\u5e7411\u670824\u65e5<\/strong>
\n\u6d4b\u8bd5\u53d1\u73b0\uff0ciOS \u624b\u673a\u4e0a\uff0c\u8c8c\u4f3ctransform<\/code>\u9006\u65f6\u9488\u65cb\u8f6c90\u00b0\u53ea\u4f1a\u6539\u53d8\u56fe\u5f62\u5916\u89c2\uff0c\u4f46\u662f\u5176\u5750\u6807\u8d77\u59cb\u4f4d\u7f6e\u8fd8\u662f\u53f3\u4fa7\u3002\u56e0\u6b64\uff0c\u66f4\u6539\u8d77\u59cb\u5750\u6807\u53ef\u80fd\u8fd8\u9700\u8981\u901a\u8fc7\u5916\u90e8\u5bb9\u5668\u65cb\u8f6c\u63a7\u5236\u3002<\/p>\n
\u66f4\u65b0\u4e8e2017\u5e7411\u67081\u65e5<\/strong>
\n\u611f\u8c22\u8f89\u8f89\u7684\u53cd\u9988\uff0ciOS\u624b\u673a\u4e0a\u8d77\u59cb\u5750\u6807\u5f02\u5e38\u95ee\u9898\uff0c\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u5982\u4e0bCSS\u4fee\u6b63\uff1a<\/p>\n
svg {\n  -webkit-transform: rotate(-0.05deg);\n  transform: rotate(-0.05deg);\n}<\/pre>\n
\u4e09\u3001\u7ed3\u8bed<\/h3>\n
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\u6240\u4ee5\uff0c\u597d\u597d\u5b66\u5b66SVG\uff0c\u6bd4\u8ffd\u9010\u70ed\u70b9\u66f4\u53d7\u76ca\u3002<\/p>\n
<\/p>\n
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