{"id":2314,"date":"2017-11-11T13:49:57","date_gmt":"2017-11-11T05:49:57","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=2314"},"modified":"2017-11-11T13:49:57","modified_gmt":"2017-11-11T05:49:57","slug":"svg%e5%ae%9e%e7%8e%b0%e5%a4%9a%e5%bd%a9%e5%9c%86%e7%8e%af%e5%80%92%e8%ae%a1%e6%97%b6%e6%95%88%e6%9e%9c","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=2314","title":{"rendered":"SVG\u5b9e\u73b0\u591a\u5f69\u5706\u73af\u5012\u8ba1\u65f6\u6548\u679c"},"content":{"rendered":"

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\n\t\u672c\u6587\u4e3b\u8981\u7528\u5230\u4e86SVG<\/a>\u7684stroke-dasharray\u548cstroke-dashoffset\u7279\u6027\u3002\u4e0b\u56fe\u662f\u5012\u8ba1\u65f6\u8fd0\u884c\u6548\u679c\uff1a\n<\/p>\n

\n\t\"SVG\u5012\u8ba1\u65f6\u6848\u4f8b\"\n<\/p>\n

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\r\nsvg {\r\n    transform: rotate(-0.05deg);\r\n}\r\ncircle {\r\n    transition: stroke-dasharray .2s;\r\n}\r\n.time-count-x {\r\n    line-height: 1.5;\r\n    position: relative;\r\n}\r\n.time-second {\r\n    position: absolute;\r\n    top: 50%; left: 0; right: 0;\r\n    margin-top: -.75em;\r\n    text-align: center;\r\n    font-size: 100px;\r\n}<\/pre>\n
\n\t\u76f8\u5173html<\/a>\u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n
\r\n<div id="timeCountX" class="time-count-x">\r\n    <svg width="440" height="440" viewBox="0 0 440 440" class="center">\r\n        <defs>\r\n            <linearGradient x1="1" y1="0" x2="0" y2="0" id="gradient1">\r\n                <stop offset="0%" stop-color="#e52c5c"><\/stop>\r\n                <stop offset="100%" stop-color="#ab5aea"><\/stop>\r\n            <\/linearGradient>\r\n           <linearGradient x1="1" y1="0" x2="0" y2="0" id="gradient2">\r\n                <stop offset="0%" stop-color="#4352f3"><\/stop>\r\n                <stop offset="100%" stop-color="#ab5aea"><\/stop>\r\n            <\/linearGradient>\r\n        <\/defs>\r\n        <g transform="matrix(0,-1,1,0,0,440)">\r\n            <circle cx="220" cy="220" r="170" stroke-width="50" stroke="#f0f1f5" fill="none" stroke-dasharray="1069 1069"><\/circle>\r\n            <circle cx="220" cy="220" r="170" stroke-width="50" stroke="url('#gradient1')" fill="none" stroke-dasharray="1069 1069"><\/circle>\r\n            <circle cx="220" cy="220" r="170" stroke-width="50" stroke="url('#gradient2')" fill="none" stroke-dasharray="534.5 1069"><\/circle>\r\n        <\/g>\r\n    <\/svg>\r\n    <span id="timeSecond" class="time-second"><\/span>\r\n<\/div><\/pre>\n
\n\t\u6700\u540e\u662f\u76f8\u5173JavaScript<\/a>\u4ee3\u7801\uff1a\n<\/p>\n
\r\nvar eleCircles=document.querySelectorAll("#timeCountX circle");\r\nvar eleTimeSec=document.getElementById("timeSecond");\r\nvar perimeter=Math.PI*2*170;\r\nvar circleInit=function(){\r\n\tif(eleCircles[1]){\r\n\t\teleCircles[1].setAttribute("stroke-dasharray","1069 1069")\r\n\t}\r\n\tif(eleCircles[2]){\r\n\t\teleCircles[2].setAttribute("stroke-dasharray",perimeter\/2+" 1069")\r\n\t}\r\n\teleTimeSec.innerHTML=""\r\n};\r\nvar timerTimeCount=null;\r\nvar fnTimeCount=function(b){\r\n\tif(timerTimeCount){\r\n\t\treturn\r\n\t}\r\n\tvar b=b||10;\r\n\tvar a=function(){\r\n\t\tvar c=b\/10;\r\n\t\tif(eleCircles[1]){\r\n\t\t\teleCircles[1].setAttribute("stroke-dasharray",perimeter*c+" 1069")\r\n\t\t}\r\n\t\tif(eleCircles[2]&&b<=5){\r\n\t\t\teleCircles[2].setAttribute("stroke-dasharray",perimeter*c+" 1069")\r\n\t\t}\r\n\t\tif(eleTimeSec){\r\n\t\t\teleTimeSec.innerHTML=b\r\n\t\t}\r\n\t\tb--;\r\n\t\tif(b<0){\r\n\t\t\tclearInterval(timerTimeCount);\r\n\t\t\ttimerTimeCount=null;\r\n\t\t\talert("\u65f6\u95f4\u5230\uff01");\r\n\t\t\tcircleInit()\r\n\t\t}\r\n\t};\r\n\ta();\r\n\ttimerTimeCount=setInterval(a,1000)\r\n};\r\nfnTimeCount();<\/pre>\n
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\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a\u4e1a\u4f59\u8349<\/a>\uff1a » SVG\u5b9e\u73b0\u591a\u5f69\u5706\u73af\u5012\u8ba1\u65f6\u6548\u679c<\/a><\/p>","protected":false},"excerpt":{"rendered":"
\u5706\u73af\u5012\u8ba1\u65f6\u6211\u4eec\u7ecf\u5e38\u89c1\u5230\uff0c\u5b9e\u73b0\u7684\u65b9\u6cd5\u4e5f\u6709\u5f88\u591a\u79cd\u3002\u4f46\u662f\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u79cd\u5168\u65b0\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u4f7f\u7528SVG\u6765\u5b9e\u73b0\u5012\u8ba1\u65f6\u529f\u80fd\u3002  […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[814,1106,52],"class_list":["post-2314","post","type-post","status-publish","format-standard","hentry","category-html5","tag-css3","tag-javascript","tag-svg"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2314"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2314\/revisions"}],"predecessor-version":[{"id":2315,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2314\/revisions\/2315"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}