{"id":34063,"date":"2024-11-25T10:07:42","date_gmt":"2024-11-25T02:07:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34063\/"},"modified":"2024-11-25T10:07:42","modified_gmt":"2024-11-25T02:07:42","slug":"%e6%89%8b%e6%8a%8a%e6%89%8b%e6%95%99%e4%bd%a0%e4%bd%bf%e7%94%a8%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%88%9b%e5%bb%ba%e7%94%bb%e5%b8%83%e6%97%b6%e9%92%9f%ef%bc%88%e5%ae%9e%e4%be%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34063\/","title":{"rendered":"\u624b\u628a\u624b\u6559\u4f60\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u521b\u5efa\u753b\u5e03\u65f6\u949f\uff08\u5b9e\u4f8b\uff09"},"content":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u624b\u628a\u624b\u5e26\u5927\u5bb6\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u521b\u5efa\u4e00\u4e2a\u753b\u5e03\u65f6\u949f\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/024\/614dbed39ffea363.jpg\" class=\"aligncenter\" title=\"\u624b\u628a\u624b\u6559\u4f60\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u521b\u5efa\u753b\u5e03\u65f6\u949f\uff08\u5b9e\u4f8b\uff09\u63d2\u56fe\" alt=\"\u624b\u628a\u624b\u6559\u4f60\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u521b\u5efa\u753b\u5e03\u65f6\u949f\uff08\u5b9e\u4f8b\uff09\u63d2\u56fe\" \/><\/p>\n<p>\u4eca\u5929\u505a\u7684\u662f\u4e00\u4e2a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u753b\u5e03\u65f6\u949f\uff0c\u4e5f\u5c31\u662f\u4f20\u7edf\u7684\u6570\u5b57\u65f6\u949f\u3002\u3010\u76f8\u5173\u5b66\u4e60\u63a8\u8350\uff1a\u3011<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/image\/892\/851\/972\/1632484850287140.png\" class=\"aligncenter\" title=\"\u624b\u628a\u624b\u6559\u4f60\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u521b\u5efa\u753b\u5e03\u65f6\u949f\uff08\u5b9e\u4f8b\uff09\u63d2\u56fe1\" alt=\"\u624b\u628a\u624b\u6559\u4f60\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u521b\u5efa\u753b\u5e03\u65f6\u949f\uff08\u5b9e\u4f8b\uff09\u63d2\u56fe1\" \/><\/p>\n<p>\u76f4\u63a5\u4e0a\u56fe\uff0c\u6548\u679c\u5982\u56fe\u3002<\/p>\n<pre>onLoad: function(){\n\t\t\/\/\u5c06\u5168\u5c40\u53d8\u91cfIndex\u4fdd\u5b58\u5728that\u4e2d\uff0c\u91cc\u9762\u51fd\u6570\u8c03\u7528\n\t\tvar that = this\n\t\t\/\/\u83b7\u53d6\u7cfb\u7edf\u4fe1\u606f\n\t\twx.getSystemInfo({\n\t\t\t\/\/\u83b7\u53d6\u7cfb\u7edf\u4fe1\u606f\u6210\u529f\uff0c\u5c06\u7cfb\u7edf\u7a97\u53e3\u7684\u5bbd\u9ad8\u8d4b\u7ed9\u9875\u9762\u7684\u5bbd\u9ad8\n\t\t\tsuccess: function(res) {\n\t\t\t\tthat.width = res.windowWidth\n\t\t\t\tthat.height = res.windowHeight\n\t\t\t}\n\t\t})\n\t},<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u9996\u5148\u662f\u8981\u8bfb\u53d6\u5c4f\u5e55\u7684\u5bbd\u9ad8\uff0c\u8fd9\u662f\u4e3a\u4e86\u4ee5\u540e\u8ba1\u7b97\u51fa\u65f6\u949f\u7684\u4f4d\u7f6e\uff0c\u8ba9\u5b83\u80fd\u591f\u6446\u5728\u4e2d\u5fc3\u4f4d\u7f6e\u3002<\/p>\n<pre>onReady:&nbsp;function(){\n\t\t\/\/\u8c03\u7528canvasApp\u51fd\u6570\n\t\tthis.canvasClock()\n\t\t\/\/\u5bf9canvasAPP\u51fd\u6570\u5faa\u73af\u8c03\u7528\n\t\tthis.interval&nbsp;=&nbsp;setInterval(this.canvasClock,1000)\n\t},<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>onReady\u751f\u547d\u5468\u671f\u51fd\u6570\uff0c\u76d1\u542c\u9875\u9762\u521d\u6b21\u6e32\u67d3\u5b8c\u6210\u3002\u7136\u540e\u518d\u52a0\u4e0a\u5b9a\u65f6\u5668\uff0c\u6ca1\u4e00\u79d2\u6267\u884c\u4e00\u6b21this.canvasClock\u51fd\u6570\u3002<\/p>\n<pre>\/\/\u91cd\u7f6e\u753b\u5e03\u51fd\u6570\n\t\tfunction&nbsp;reSet(){\n\t\t\tcontext.height&nbsp;=&nbsp;context.height;\/\/\u6bcf\u6b21\u6e05\u9664\u753b\u5e03\uff0c\u7136\u540e\u53d8\u5316\u540e\u7684\u65f6\u95f4\u8865\u4e0a\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.translate(width\/2,&nbsp;height\/2);\/\/\u8bbe\u7f6e\u5750\u6807\u8f74\u539f\u70b9\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.save();\/\/\u4fdd\u5b58\u4e2d\u70b9\u5750\u68071\n\t\t}\n\t\t\/\/\u7ed8\u5236\u4e2d\u5fc3\u5706\u548c\u5916\u9762\u5927\u5706\n\t\tfunction&nbsp;circle(){\n\t\t\t\/\/\u5916\u9762\u5927\u5706\n\t\t\tcontext.setLineWidth(2);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.beginPath();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.arc(0,&nbsp;0,&nbsp;width\/2-30,&nbsp;0,&nbsp;2&nbsp;*&nbsp;Math.PI,true);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.closePath();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.stroke();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u4e2d\u5fc3\u5706\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.beginPath();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.arc(0,&nbsp;0,&nbsp;8,&nbsp;0,&nbsp;2&nbsp;*&nbsp;Math.PI,&nbsp;true);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.closePath();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.stroke();\n\t\t}\n\t\t\/\/\u7ed8\u5236\u5b57\u4f53\n\t\tfunction&nbsp;num(){\n\t\t\t\/\/&nbsp;var&nbsp;R&nbsp;=&nbsp;width\/2-60;\/\/\u8bbe\u7f6e\u6587\u5b57\u8ddd\u79bb\u65f6\u949f\u4e2d\u5fc3\u70b9\u8ddd\u79bb\n\t\t\tcontext.setFontSize(20)\/\/\u8bbe\u7f6e\u5b57\u4f53\u6837\u5f0f\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.textBaseline&nbsp;=&nbsp;\"middle\";\/\/\u5b57\u4f53\u4e0a\u4e0b\u5c45\u4e2d\uff0c\u7ed8\u5236\u65f6\u95f4\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for(var&nbsp;i&nbsp;=&nbsp;1;&nbsp;i&nbsp;&lt;p&gt;\u4e0a\u9762\u8fd9\u90e8\u5206\u76f8\u5bf9\u6765\u8bf4\u662f\u56fa\u5b9a\u7684\uff0c\u4e5f\u5c31\u662f\u4e0d\u4f1a\u52a8\u7684\u5706\uff0c\u523b\u5ea6\uff0c\u6570\u5b57\u7b49\u3002\u4e0d\u8fc7\u56e0\u4e3a\u6bcf\u6b21\u753b\u90fd\u9700\u8981\u6e05\u9664\u4e00\u6b21\u753b\u5e03\uff0c\u6240\u4ee5\u8fd9\u4e00\u90e8\u5206\u4e5f\u9700\u8981\u518d\u5faa\u73af\u91cc\u9762\u3002&lt;\/p&gt;&lt;pre class=\"brush:php;toolbar:false;\"&gt;function&nbsp;move(){\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;t&nbsp;=&nbsp;new&nbsp;Date();\/\/\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;h&nbsp;=&nbsp;t.getHours();\/\/\u83b7\u53d6\u5c0f\u65f6\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;h&nbsp;=&nbsp;h&amp;gt;12?(h-12):h;\/\/\u5c0624\u5c0f\u65f6\u5236\u8f6c\u5316\u4e3a12\u5c0f\u65f6\u5236\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;m&nbsp;=&nbsp;t.getMinutes();\/\/\u83b7\u53d6\u5206\u9488\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;s&nbsp;=&nbsp;t.getSeconds();\/\/\u83b7\u53d6\u79d2\u9488\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.save();\/\/\u518d\u6b21\u4fdd\u5b582\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.setLineWidth(7);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u65cb\u8f6c\u89d2\u5ea6=30\u5ea6*\uff08h+m\/60+s\/3600\uff09\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u5206\u9488\u65cb\u8f6c\u89d2\u5ea6=6\u5ea6*\uff08m+s\/60\uff09\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u79d2\u9488\u65cb\u8f6c\u89d2\u5ea6=6\u5ea6*s\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.beginPath();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u7ed8\u5236\u65f6\u9488\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.rotate((Math.PI\/6)*(h+m\/60+s\/3600));\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.moveTo(-20,0);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.lineTo(width\/4.5-20,0);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.stroke();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.restore();\/\/\u6062\u590d\u52302,\uff08\u6700\u521d\u672a\u65cb\u8f6c\u72b6\u6001\uff09\u907f\u514d\u65cb\u8f6c\u53e0\u52a0\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.save();\/\/3\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u753b\u5206\u9488\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.setLineWidth(5);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.beginPath();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.rotate((Math.PI\/30)*(m+s\/60));\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.moveTo(-20,0);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.lineTo(width\/3.5-20,0);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.stroke();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.restore();\/\/\u6062\u590d\u52303\uff0c\uff08\u6700\u521d\u672a\u65cb\u8f6c\u72b6\u6001\uff09\u907f\u514d\u65cb\u8f6c\u53e0\u52a0\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.save();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u7ed8\u5236\u79d2\u9488\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.setLineWidth(2);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.beginPath();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.rotate((Math.PI\/30)*s);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.moveTo(-20,0);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.lineTo(width\/3-20,0);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.stroke();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6700\u540e\u8fd9\u4e00\u6b65\u662f\u6700\u96be\u7684\uff0c\u96be\u70b9\u5728\u4e8e\u8ba1\u7b97\u65f6\u9488\uff0c\u5206\u9488\uff0c\u79d2\u9488\u4e4b\u524d\u7684\u5173\u7cfb\u3002\u4e0d\u8fc7\u8fd9\u4e9b\u90fd\u662f\u6570\u5b66\u516c\u5f0f\uff0c\u53ea\u8981\u628a\u89d2\u5ea6\u90fd\u8ba1\u7b97\u597d\u4e86\uff0c\u5269\u4e0b\u7684\u4e1c\u897f\u5c31\u597d\u529e\u4e86\u3002<\/p>\n<blockquote><p>\n  \u539f\u6587\u5730\u5740\uff1ahttps:\/\/juejin.cn\/post\/7008355969600061447\u4f5c\u8005\uff1a\u8bd7\u4e00\u6837\u7684\u4ee3\u7801\n<\/p><\/blockquote>\n<p>\u66f4\u591a\u7f16\u7a0b\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u8bbf\u95ee\uff1a\uff01\uff01<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u624b\u628a\u624b\u6559\u4f60\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u521b\u5efa\u753b\u5e03\u65f6\u949f\uff08\u5b9e\u4f8b\uff09\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u624b\u628a\u624b\u5e26\u5927\u5bb6\u4f7f\u7528\u5c0f\u7a0b\u5e8f\u521b\u5efa\u4e00\u4e2a\u753b\u5e03\u65f6\u949f\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff01 \u4eca\u5929\u505a\u7684\u662f\u4e00\u4e2a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u753b\u5e03\u65f6\u949f\uff0c\u4e5f\u5c31\u662f\u4f20\u7edf\u7684\u6570\u5b57\u65f6\u949f\u3002\u3010\u76f8\u5173\u5b66\u4e60\u63a8\u8350\uff1a\u3011 \u76f4\u63a5\u4e0a\u56fe\uff0c\u6548\u679c\u5982\u56fe\u3002 onLoad: function(){ \/\/\u5c06\u5168\u5c40\u53d8\u91cfIndex\u4fdd\u5b58\u5728that\u4e2d\uff0c\u91cc\u9762\u51fd\u6570\u8c03\u7528 var that = this \/\/\u83b7\u53d6\u7cfb\u7edf\u4fe1\u606f wx.getSystemInfo({ \/\/\u83b7\u53d6\u7cfb\u7edf\u4fe1\u606f\u6210\u529f\uff0c\u5c06\u7cfb\u7edf\u7a97\u53e3\u7684\u5bbd\u9ad8\u8d4b\u7ed9\u9875\u9762\u7684\u5bbd\u9ad8 success: function(res) { that.width = res.windowWidth that.height = res.windowHeight } }) }, \u767b\u5f55\u540e\u590d\u5236 \u9996\u5148\u662f\u8981\u8bfb\u53d6\u5c4f\u5e55\u7684\u5bbd\u9ad8\uff0c\u8fd9\u662f\u4e3a\u4e86\u4ee5\u540e\u8ba1\u7b97\u51fa\u65f6\u949f\u7684\u4f4d\u7f6e\uff0c\u8ba9\u5b83\u80fd\u591f\u6446\u5728\u4e2d\u5fc3\u4f4d\u7f6e\u3002 onReady:&nbsp;function(){ \/\/\u8c03\u7528canvasApp\u51fd\u6570 this.canvasClock() \/\/\u5bf9canvasAPP\u51fd\u6570\u5faa\u73af\u8c03\u7528 this.interval&nbsp;=&nbsp;setInterval(this.canvasClock,1000) }, \u767b\u5f55\u540e\u590d\u5236 onReady\u751f\u547d\u5468\u671f\u51fd\u6570\uff0c\u76d1\u542c\u9875\u9762\u521d\u6b21\u6e32\u67d3\u5b8c\u6210\u3002\u7136\u540e\u518d\u52a0\u4e0a\u5b9a\u65f6\u5668\uff0c\u6ca1\u4e00\u79d2\u6267\u884c\u4e00\u6b21this.canvasClock\u51fd\u6570\u3002 \/\/\u91cd\u7f6e\u753b\u5e03\u51fd\u6570 function&nbsp;reSet(){ context.height&nbsp;=&nbsp;context.height;\/\/\u6bcf\u6b21\u6e05\u9664\u753b\u5e03\uff0c\u7136\u540e\u53d8\u5316\u540e\u7684\u65f6\u95f4\u8865\u4e0a &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.translate(width\/2,&nbsp;height\/2);\/\/\u8bbe\u7f6e\u5750\u6807\u8f74\u539f\u70b9 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.save();\/\/\u4fdd\u5b58\u4e2d\u70b9\u5750\u68071 } \/\/\u7ed8\u5236\u4e2d\u5fc3\u5706\u548c\u5916\u9762\u5927\u5706 function&nbsp;circle(){ \/\/\u5916\u9762\u5927\u5706 context.setLineWidth(2); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.beginPath(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.arc(0,&nbsp;0,&nbsp;width\/2-30,&nbsp;0,&nbsp;2&nbsp;*&nbsp;Math.PI,true); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.closePath(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.stroke(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u4e2d\u5fc3\u5706 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.beginPath(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.arc(0,&nbsp;0,&nbsp;8,&nbsp;0,&nbsp;2&nbsp;*&nbsp;Math.PI,&nbsp;true); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.closePath(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;context.stroke(); } 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