{"id":29774,"date":"2024-11-25T16:12:20","date_gmt":"2024-11-25T08:12:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/29774\/"},"modified":"2024-11-25T16:12:20","modified_gmt":"2024-11-25T08:12:20","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%bc%80%e5%8f%91%e4%b9%8b%e6%89%8b%e5%8a%bf%e8%a7%a3%e9%94%81%e4%bb%a3%e7%a0%81%e5%ae%9e%e4%be%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/29774\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u4e4b\u624b\u52bf\u89e3\u9501\u4ee3\u7801\u5b9e\u4f8b"},"content":{"rendered":"<p>\u624b\u52bf\u89e3\u9501\u662fapp\u4e0a\u5e38\u89c1\u7684\u89e3\u9501\u65b9\u5f0f\uff0c\u76f8\u6bd4\u8f93\u5165\u5bc6\u7801\u65b9\u5f0f\u64cd\u4f5c\u8d77\u6765\u8981\u65b9\u4fbf\u8bb8\u591a\u3002\u4e0b\u9762\u5c55\u793a\u5982\u4f55\u57fa\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0\u624b\u673a\u89e3\u9501\u3002\u6700\u7ec8\u5b9e\u73b0\u6548\u679c\u5982\u4e0b\u56fe:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/001\/505\/dbdff66cea17b90fbb23074d4644423b-0.gif\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u4e4b\u624b\u52bf\u89e3\u9501\u4ee3\u7801\u5b9e\u4f8b\u63d2\u56fe\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u4e4b\u624b\u52bf\u89e3\u9501\u4ee3\u7801\u5b9e\u4f8b\u63d2\u56fe\" \/><\/p>\n<p>\u624b\u52bf\u89e3\u9501<\/p>\n<p>\u6574\u4e2a\u529f\u80fd\u57fa\u4e8ecanvas\u5b9e\u73b0\uff0c\u9996\u5148\u6dfb\u52a0\u753b\u5e03\u7ec4\u4ef6\uff0c\u5e76\u8bbe\u5b9a\u6837\u5f0f<\/p>\n<pre>&lt;!--index.wxml--&gt;\r\n&lt;view&gt;\r\n&nbsp;&nbsp;&lt;canvas&gt;&lt;\/canvas&gt;&lt;\/view&gt;\r\n\r\n.gesture-lock&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;margin:&nbsp;100rpx&nbsp;auto;\r\n&nbsp;&nbsp;&nbsp;&nbsp;width:&nbsp;300px;\r\n&nbsp;&nbsp;&nbsp;&nbsp;height:&nbsp;300px;\r\n&nbsp;&nbsp;&nbsp;&nbsp;background-color:&nbsp;#ffffff;\r\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u624b\u52bf\u89e3\u9501\u5b9e\u73b0\u4ee3\u7801\u5728gesture_lock.js\u4e2d(\u5b8c\u6574\u6e90\u7801\u5730\u5740\u89c1\u672b\u5c3e)\u3002<\/p>\n<p><strong>\u521d\u59cb\u5316<\/strong><\/p>\n<pre>&nbsp;&nbsp;&nbsp;&nbsp;constructor(canvasid,&nbsp;context,&nbsp;cb,&nbsp;opt){\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.touchPoints&nbsp;=&nbsp;[];\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.checkPoints&nbsp;=&nbsp;[];\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.canvasid&nbsp;=&nbsp;canvasid;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.ctx&nbsp;=&nbsp;context;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.width&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.width&nbsp;||&nbsp;300;&nbsp;\/\/\u753b\u5e03\u957f\u5ea6\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.height&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.height&nbsp;||&nbsp;300;&nbsp;\/\/\u753b\u5e03\u5bbd\u5ea6\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.cycleNum&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.cycleNum&nbsp;||&nbsp;3;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.radius&nbsp;=&nbsp;0;&nbsp;&nbsp;\/\/\u89e6\u6478\u70b9\u534a\u5f84\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.isParamOk&nbsp;=&nbsp;false;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.marge&nbsp;=&nbsp;this.margeCircle&nbsp;=&nbsp;25;&nbsp;\/\/\u89e6\u6478\u70b9\u53ca\u89e6\u6478\u70b9\u548c\u753b\u5e03\u8fb9\u754c\u95f4\u9694\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.initColor&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.initColor&nbsp;||&nbsp;'#C5C5C3';&nbsp;&nbsp;&nbsp;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.checkColor&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.checkColor&nbsp;||&nbsp;'#5AA9EC';\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.errorColor&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.errorColor&nbsp;||&nbsp;'#e19984';\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.touchState&nbsp;=&nbsp;\"unTouch\";\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.checkParam();\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.lastCheckPoint&nbsp;=&nbsp;null;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(this.isParamOk)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8ba1\u7b97\u89e6\u6478\u70b9\u7684\u534a\u5f84\u957f\u5ea6\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.radius&nbsp;=&nbsp;(this.width&nbsp;-&nbsp;this.marge&nbsp;*&nbsp;2&nbsp;-&nbsp;(this.margeCircle&nbsp;*&nbsp;(this.cycleNum&nbsp;-&nbsp;1)))&nbsp;\/&nbsp;(this.cycleNum&nbsp;*&nbsp;2)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.radius&nbsp;=&nbsp;Math.floor(this.radius);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8ba1\u7b97\u6bcf\u4e2a\u89e6\u6478\u70b9\u7684\u5706\u5fc3\u4f4d\u7f6e\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.calCircleParams();\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.onEnd&nbsp;=&nbsp;cb;&nbsp;\/\/\u6ed1\u52a8\u624b\u52bf\u7ed3\u675f\u65f6\u7684\u56de\u8c03\u51fd\u6570\r\n&nbsp;&nbsp;&nbsp;&nbsp;}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e3b\u8981\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570\uff0c\u5982canvas\u7684\u957f\u5bbd\uff0ccanvas\u7684context\uff0c\u624b\u52bf\u9501\u7684\u4e2a\u6570(3\u4e583, 4\u4e584)\uff0c\u624b\u52bf\u9501\u7684\u989c\u8272\uff0c\u624b\u52bf\u6ed1\u52a8\u7ed3\u675f\u65f6\u7684\u56de\u8c03\u51fd\u6570\u7b49\u3002\u5e76\u8ba1\u7b97\u51fa\u624b\u52bf\u9501\u7684\u534a\u5f84\u3002<\/p>\n<p><strong>\u8ba1\u7b97\u6bcf\u4e2a\u624b\u52bf\u9501\u7684\u5706\u5fc3\u4f4d\u7f6e<\/strong><\/p>\n<pre>&nbsp;&nbsp;&nbsp;&nbsp;calCircleParams()&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;n&nbsp;=&nbsp;this.cycleNum;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;count&nbsp;=&nbsp;0;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(let&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&nbsp;&lt;p&gt;&lt;strong&gt;\u7ed8\u5236\u624b\u52bf\u9501&lt;\/strong&gt;&lt;\/p&gt;&lt;pre class=\"brush:js;toolbar:false;\"&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(let&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&nbsp;&lt;p&gt;\u63a5\u4e0b\u6765\u5c31\u662f\u8bc6\u522b\u7528\u6237\u7684\u6ed1\u52a8\u884c\u4e3a\uff0c\u5224\u65ad\u7528\u6237\u5212\u8fc7\u4e86\u54ea\u4e9b\u5706\u5708\uff0c\u8fdb\u800c\u8bc6\u522b\u51fa\u7528\u6237\u7684\u624b\u52bf\u3002&lt;\/p&gt;&lt;p&gt;&lt;strong&gt;\u5728touchstart\u548ctouchmove\u4e8b\u4ef6\u4e2d\u68c0\u6d4b\u89e6\u53d1\u5e76\u66f4\u65b0\u753b\u5e03&lt;\/strong&gt;&lt;\/p&gt;&lt;pre class=\"brush:js;toolbar:false;\"&gt;&lt;p style=\"margin-bottom: 7px; margin-top: 14px;\"&gt;&nbsp; &nbsp;onTouchStart(e) {&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;\/\/ \u4e0d\u8bc6\u522b\u591a\u70b9\u89e6\u63a7&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;if (e.touches.length &amp;gt; 1){&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;this.touchState = \"unTouch\";&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;return;&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;}&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;this.touchState = \"startTouch\";&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;this.checkTouch(e);&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;let point = {x:e.touches[0].x, y:e.touches[0].y};&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;this.drawCanvas(this.checkColor, point);&lt;br&gt; &nbsp; &nbsp;}&lt;br&gt;&lt;br&gt; &nbsp; &nbsp;onTouchMove(e) {&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;if (e.touchState === \"unTouch\") {&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;return;&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;}&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;if (e.touches.length &amp;gt; 1){&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;this.touchState = \"unTouch\";&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;return;&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;}&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;this.checkTouch(e);&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;let point = {x:e.touches[0].x, y:e.touches[0].y};&lt;br&gt; &nbsp; &nbsp; &nbsp; &nbsp;this.drawCanvas(this.checkColor, point);&lt;br&gt; &nbsp; &nbsp;}&lt;br&gt;&lt;\/p&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u68c0\u6d4b\u7528\u6237\u662f\u5426\u5212\u8fc7\u67d0\u4e2a\u5706\u5708<\/strong><\/p>\n<pre>&nbsp;&nbsp;&nbsp;&nbsp;checkTouch(e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(let&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&nbsp;&lt;p&gt;&lt;strong&gt;\u66f4\u65b0\u753b\u5e03&lt;\/strong&gt;&lt;\/p&gt;&lt;pre class=\"brush:js;toolbar:false;\"&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;drawCanvas(color,&nbsp;point)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u6bcf\u6b21\u66f4\u65b0\u4e4b\u524d\u5148\u6e05\u7a7a\u753b\u5e03\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.ctx.clearRect(0,&nbsp;0,&nbsp;this.width,&nbsp;this.height);\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u4f7f\u7528\u4e0d\u540c\u989c\u8272\u548c\u5f62\u5f0f\u7ed8\u5236\u5df2\u89e6\u53d1\u548c\u672a\u89e6\u53d1\u7684\u9501\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(let&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&nbsp;&nbsp;1)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;lastPoint&nbsp;=&nbsp;this.checkPoints[0];\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(let&nbsp;i&nbsp;=&nbsp;1;&nbsp;i&nbsp;&lt;p&gt;&lt;strong&gt;\u5f53\u7528\u6237\u6ed1\u52a8\u7ed3\u675f\u65f6\u8c03\u7528\u56de\u8c03\u51fd\u6570\u5e76\u4f20\u9012\u8bc6\u522b\u51fa\u7684\u624b\u52bf&lt;\/strong&gt;&lt;\/p&gt;&lt;pre class=\"brush:js;toolbar:false;\"&gt;&nbsp;&nbsp;&nbsp;&nbsp;onTouchEnd(e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;typeof&nbsp;this.onEnd&nbsp;===&nbsp;'function'&nbsp;&amp;amp;&amp;amp;&nbsp;this.onEnd(this.checkPoints,&nbsp;false);\r\n&nbsp;&nbsp;&nbsp;&nbsp;}\r\n\r\n&nbsp;&nbsp;&nbsp;&nbsp;onTouchCancel(e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;typeof&nbsp;this.onEnd&nbsp;===&nbsp;'function'&nbsp;&amp;amp;&amp;amp;&nbsp;this.onEnd(this.checkPoints,&nbsp;true);\r\n&nbsp;&nbsp;&nbsp;&nbsp;}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u91cd\u7f6e\u548c\u663e\u793a\u624b\u52bf\u9519\u8bef<\/strong><\/p>\n<pre>&nbsp;&nbsp;&nbsp;&nbsp;gestureError()&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.drawCanvas(this.errorColor)\r\n&nbsp;&nbsp;&nbsp;&nbsp;}\r\n\r\n&nbsp;&nbsp;&nbsp;&nbsp;reset()&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(let&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&nbsp;&lt;p&gt;&lt;strong&gt;\u5982\u4f55\u8c03\u7528&lt;\/strong&gt;&lt;br&gt;\u5728onload\u65b9\u6cd5\u4e2d\u521b\u5efalock\u5bf9\u8c61\u5e76\u5728\u7528\u6237\u89e6\u6478\u4e8b\u4ef6\u4e2d\u8c03\u7528\u76f8\u5e94\u65b9\u6cd5&lt;\/p&gt;&lt;pre class=\"brush:js;toolbar:false;\"&gt;&nbsp;&nbsp;onLoad:&nbsp;function&nbsp;()&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;s&nbsp;=&nbsp;this;\r\n&nbsp;&nbsp;&nbsp;&nbsp;this.lock&nbsp;=&nbsp;new&nbsp;Lock(\"id-gesture-lock\",&nbsp;wx.createCanvasContext(\"id-gesture-lock\"),&nbsp;function(checkPoints,&nbsp;isCancel)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log('over');\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;s.lock.gestureError();\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setTimeout(function()&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;s.lock.reset();\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},&nbsp;1000);\r\n&nbsp;&nbsp;&nbsp;&nbsp;},&nbsp;{width:300,&nbsp;height:300})\r\n&nbsp;&nbsp;&nbsp;&nbsp;this.lock.drawGestureLock();\r\n&nbsp;&nbsp;&nbsp;&nbsp;console.log('onLoad')\r\n&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;that&nbsp;=&nbsp;this\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u8c03\u7528\u5e94\u7528\u5b9e\u4f8b\u7684\u65b9\u6cd5\u83b7\u53d6\u5168\u5c40\u6570\u636e\r\n&nbsp;&nbsp;&nbsp;&nbsp;app.getUserInfo(function(userInfo){\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u66f4\u65b0\u6570\u636e\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that.setData({\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;userInfo:userInfo\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;})\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that.update()\r\n&nbsp;&nbsp;&nbsp;&nbsp;})\r\n&nbsp;&nbsp;},\r\n&nbsp;&nbsp;onTouchStart:&nbsp;function&nbsp;(e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;this.lock.onTouchStart(e);\r\n&nbsp;&nbsp;},\r\n&nbsp;&nbsp;onTouchMove:&nbsp;function&nbsp;(e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;this.lock.onTouchMove(e);\r\n&nbsp;&nbsp;},\r\n&nbsp;&nbsp;onTouchEnd:&nbsp;function&nbsp;(e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;this.lock.onTouchEnd(e);\r\n&nbsp;&nbsp;}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u4e4b\u624b\u52bf\u89e3\u9501\u4ee3\u7801\u5b9e\u4f8b\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>\u624b\u52bf\u89e3\u9501\u662fapp\u4e0a\u5e38\u89c1\u7684\u89e3\u9501\u65b9\u5f0f\uff0c\u76f8\u6bd4\u8f93\u5165\u5bc6\u7801\u65b9\u5f0f\u64cd\u4f5c\u8d77\u6765\u8981\u65b9\u4fbf\u8bb8\u591a\u3002\u4e0b\u9762\u5c55\u793a\u5982\u4f55\u57fa\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u73b0\u624b\u673a\u89e3\u9501\u3002\u6700\u7ec8\u5b9e\u73b0\u6548\u679c\u5982\u4e0b\u56fe: \u624b\u52bf\u89e3\u9501 \u6574\u4e2a\u529f\u80fd\u57fa\u4e8ecanvas\u5b9e\u73b0\uff0c\u9996\u5148\u6dfb\u52a0\u753b\u5e03\u7ec4\u4ef6\uff0c\u5e76\u8bbe\u5b9a\u6837\u5f0f &lt;!&#8211;index.wxml&#8211;&gt; &lt;view&gt; &nbsp;&nbsp;&lt;canvas&gt;&lt;\/canvas&gt;&lt;\/view&gt; .gesture-lock&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;margin:&nbsp;100rpx&nbsp;auto; &nbsp;&nbsp;&nbsp;&nbsp;width:&nbsp;300px; &nbsp;&nbsp;&nbsp;&nbsp;height:&nbsp;300px; &nbsp;&nbsp;&nbsp;&nbsp;background-color:&nbsp;#ffffff; } \u767b\u5f55\u540e\u590d\u5236 \u624b\u52bf\u89e3\u9501\u5b9e\u73b0\u4ee3\u7801\u5728gesture_lock.js\u4e2d(\u5b8c\u6574\u6e90\u7801\u5730\u5740\u89c1\u672b\u5c3e)\u3002 \u521d\u59cb\u5316 &nbsp;&nbsp;&nbsp;&nbsp;constructor(canvasid,&nbsp;context,&nbsp;cb,&nbsp;opt){ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.touchPoints&nbsp;=&nbsp;[]; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.checkPoints&nbsp;=&nbsp;[]; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.canvasid&nbsp;=&nbsp;canvasid; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.ctx&nbsp;=&nbsp;context; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.width&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.width&nbsp;||&nbsp;300;&nbsp;\/\/\u753b\u5e03\u957f\u5ea6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.height&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.height&nbsp;||&nbsp;300;&nbsp;\/\/\u753b\u5e03\u5bbd\u5ea6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.cycleNum&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.cycleNum&nbsp;||&nbsp;3; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.radius&nbsp;=&nbsp;0;&nbsp;&nbsp;\/\/\u89e6\u6478\u70b9\u534a\u5f84 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.isParamOk&nbsp;=&nbsp;false; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.marge&nbsp;=&nbsp;this.margeCircle&nbsp;=&nbsp;25;&nbsp;\/\/\u89e6\u6478\u70b9\u53ca\u89e6\u6478\u70b9\u548c\u753b\u5e03\u8fb9\u754c\u95f4\u9694 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.initColor&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.initColor&nbsp;||&nbsp;&#8216;#C5C5C3&#8217;;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.checkColor&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.checkColor&nbsp;||&nbsp;&#8216;#5AA9EC&#8217;; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.errorColor&nbsp;=&nbsp;opt&nbsp;&amp;amp;&amp;amp;&nbsp;opt.errorColor&nbsp;||&nbsp;&#8216;#e19984&#8217;; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.touchState&nbsp;=&nbsp;&#8220;unTouch&#8221;; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.checkParam(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.lastCheckPoint&nbsp;=&nbsp;null; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(this.isParamOk)&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8ba1\u7b97\u89e6\u6478\u70b9\u7684\u534a\u5f84\u957f\u5ea6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.radius&nbsp;=&nbsp;(this.width&nbsp;&#8211;&nbsp;this.marge&nbsp;*&nbsp;2&nbsp;&#8211;&nbsp;(this.margeCircle&nbsp;*&nbsp;(this.cycleNum&nbsp;&#8211;&nbsp;1)))&nbsp;\/&nbsp;(this.cycleNum&nbsp;*&nbsp;2) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.radius&nbsp;=&nbsp;Math.floor(this.radius); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8ba1\u7b97\u6bcf\u4e2a\u89e6\u6478\u70b9\u7684\u5706\u5fc3\u4f4d\u7f6e &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.calCircleParams(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.onEnd&nbsp;=&nbsp;cb;&nbsp;\/\/\u6ed1\u52a8\u624b\u52bf\u7ed3\u675f\u65f6\u7684\u56de\u8c03\u51fd\u6570 &nbsp;&nbsp;&nbsp;&nbsp;} \u767b\u5f55\u540e\u590d\u5236 \u4e3b\u8981\u8bbe\u7f6e\u4e00\u4e9b\u53c2\u6570\uff0c\u5982canvas\u7684\u957f\u5bbd\uff0ccanvas\u7684context\uff0c\u624b\u52bf\u9501\u7684\u4e2a\u6570(3\u4e583, 4\u4e584)\uff0c\u624b\u52bf\u9501\u7684\u989c\u8272\uff0c\u624b\u52bf\u6ed1\u52a8\u7ed3\u675f\u65f6\u7684\u56de\u8c03\u51fd\u6570\u7b49\u3002\u5e76\u8ba1\u7b97\u51fa\u624b\u52bf\u9501\u7684\u534a\u5f84\u3002 \u8ba1\u7b97\u6bcf\u4e2a\u624b\u52bf\u9501\u7684\u5706\u5fc3\u4f4d\u7f6e &nbsp;&nbsp;&nbsp;&nbsp;calCircleParams()&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;n&nbsp;=&nbsp;this.cycleNum; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;count&nbsp;=&nbsp;0; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(let&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&nbsp;&lt;p&gt;&lt;strong&gt;\u7ed8\u5236\u624b\u52bf\u9501&lt;\/strong&gt;&lt;\/p&gt;&lt;pre class=&#8221;brush:js;toolbar:false;&#8221;&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(let&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&nbsp;&lt;p&gt;\u63a5\u4e0b\u6765\u5c31\u662f\u8bc6\u522b\u7528\u6237\u7684\u6ed1\u52a8\u884c\u4e3a\uff0c\u5224\u65ad\u7528\u6237\u5212\u8fc7\u4e86\u54ea\u4e9b\u5706\u5708\uff0c\u8fdb\u800c\u8bc6\u522b\u51fa\u7528\u6237\u7684\u624b\u52bf\u3002&lt;\/p&gt;&lt;p&gt;&lt;strong&gt;\u5728touchstart\u548ctouchmove\u4e8b\u4ef6\u4e2d\u68c0\u6d4b\u89e6\u53d1\u5e76\u66f4\u65b0\u753b\u5e03&lt;\/strong&gt;&lt;\/p&gt;&lt;pre class=&#8221;brush:js;toolbar:false;&#8221;&gt;&lt;p style=&#8221;margin-bottom: 7px; margin-top: 14px;&#8221;&gt;&nbsp; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-29774","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/29774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=29774"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/29774\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=29774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=29774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=29774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}