![\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u624b\u52bf\u89e3\u9501\u5b9e\u4f8b\u4ee3\u7801\u63d2\u56fe\"](\"https:\/\/img.php.cn\/upload\/article\/000\/000\/013\/3b2929130e5113fcfbbc1f44efb607bc-0.gif\" "\\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u624b\u52bf\u89e3\u9501\u5b9e\u4f8b\u4ee3\u7801\u63d2\u56fe\\"")
<\/p>\n\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>\n
\u6574\u4e2a\u529f\u80fd\u57fa\u4e8e\u5b9e\u73b0\uff0c\u9996\u5148\u6dfb\u52a0\u753b\u5e03\u7ec4\u4ef6\uff0c\u5e76\u8bbe\u5b9a\u6837\u5f0f<\/p>\n<\/p>\n
<!--index.wxml-->\r\n<view>\r\n <canvas><\/canvas><\/view><\/pre>\n\u767b\u5f55\u540e\u590d\u5236 <\/p>\n<\/p>\n
.gesture-lock {\r\n margin: 100rpx auto;\r\n width: 300px;\r\n height: 300px;\r\n background-color: #ffffff;\r\n}<\/pre>\n\u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u624b\u52bf\u89e3\u9501\u5b9e\u73b0\u4ee3\u7801\u5728gesture_lock.\u4e2d(\u5b8c\u6574\u6e90\u7801\u5730\u5740\u89c1\u672b\u5c3e)\u3002<\/p>\n
\u521d\u59cb\u5316<\/strong><\/p>\n<\/p>\n
\r\n constructor(canvasid, context, cb, opt){\r\n this.touchPoints = [];\r\n this.checkPoints = [];\r\n this.canvasid = canvasid;\r\n this.ctx = context;\r\n this.width = opt && opt.width || 300; \/\/\u753b\u5e03\u957f\u5ea6\r\n this.height = opt && opt.height || 300; \/\/\u753b\u5e03\u5bbd\u5ea6\r\n this.cycleNum = opt && opt.cycleNum || 3;\r\n this.radius = 0; \/\/\u89e6\u6478\u70b9\u534a\u5f84\r\n this.isParamOk = false;\r\n this.marge = this.margeCircle = 25; \/\/\u89e6\u6478\u70b9\u53ca\u89e6\u6478\u70b9\u548c\u753b\u5e03\u8fb9\u754c\u95f4\u9694\r\n this.initColor = opt && opt.initColor || '#C5C5C3'; \r\n this.checkColor = opt && opt.checkColor || '#5AA9EC';\r\n this.errorColor = opt && opt.errorColor || '#e19984';\r\n this.touchState = \"unTouch\";\r\n this.checkParam();\r\n this.lastCheckPoint = null;\r\n if (this.isParamOk) {\r\n \/\/ \u8ba1\u7b97\u89e6\u6478\u70b9\u7684\u534a\u5f84\u957f\u5ea6\r\n this.radius = (this.width - this.marge * 2 - (this.margeCircle * (this.cycleNum - 1))) \/ (this.cycleNum * 2)\r\n this.radius = Math.floor(this.radius);\r\n \/\/ \u8ba1\u7b97\u6bcf\u4e2a\u89e6\u6478\u70b9\u7684\u5706\u5fc3\u4f4d\u7f6e\r\n this.calCircleParams();\r\n }\r\n this.onEnd = cb; \/\/\u6ed1\u52a8\u624b\u52bf\u7ed3\u675f\u65f6\u7684\u56de\u8c03\u51fd\u6570\r\n }<\/pre>\n\u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\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
\u8ba1\u7b97\u6bcf\u4e2a\u624b\u52bf\u9501\u7684\u5706\u5fc3\u4f4d\u7f6e<\/strong><\/p>\n<\/p>\n
\r\n calCircleParams() {\r\n let n = this.cycleNum;\r\n let count = 0;\r\n for (let i = 0; i <p><\/p><p><strong>\u7ed8\u5236\u624b\u52bf\u9501<\/strong><\/p><p class=\"jb51code\"><\/p><pre class=\"brush:js;\">\r\n for (let i = 0; i <p><\/p><p>\u63a5\u4e0b\u6765\u5c31\u662f\u8bc6\u522b\u7528\u6237\u7684\u6ed1\u52a8<a href=\"http:\/\/www.php.cn\/php\/php-tp-behavior.html\" target=\"_blank\">\u884c\u4e3a<\/a>\uff0c\u5224\u65ad\u7528\u6237\u5212\u8fc7\u4e86\u54ea\u4e9b\u5706\u5708\uff0c\u8fdb\u800c\u8bc6\u522b\u51fa\u7528\u6237\u7684\u624b\u52bf\u3002<\/p><p><strong>\u5728touchstart\u548ctouchmove<a href=\"http:\/\/www.php.cn\/php\/php-tp-incident.html\" target=\"_blank\">\u4e8b\u4ef6<\/a>\u4e2d\u68c0\u6d4b\u89e6\u53d1\u5e76<a href=\"http:\/\/www.php.cn\/php\/php-tp-renewal.html\" target=\"_blank\">\u66f4\u65b0<\/a>\u753b\u5e03<\/strong><\/p><p class=\"jb51code\"><\/p><pre class=\"brush:js;\">\r\n onTouchStart(e) {\r\n \/\/ \u4e0d\u8bc6\u522b\u591a\u70b9\u89e6\u63a7\r\n if (e.touches.length > 1){\r\n this.touchState = \"unTouch\";\r\n return;\r\n }\r\n this.touchState = \"startTouch\";\r\n this.checkTouch(e);\r\n let point = {x:e.touches[0].x, y:e.touches[0].y};\r\n this.drawCanvas(this.checkColor, point);\r\n }\r\n\r\n onTouchMove(e) {\r\n if (e.touchState === \"unTouch\") {\r\n return;\r\n }\r\n if (e.touches.length > 1){\r\n this.touchState = \"unTouch\";\r\n return;\r\n }\r\n this.checkTouch(e);\r\n let point = {x:e.touches[0].x, y:e.touches[0].y};\r\n this.drawCanvas(this.checkColor, point);\r\n }<\/pre>\n\u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u68c0\u6d4b\u7528\u6237\u662f\u5426\u5212\u8fc7\u67d0\u4e2a\u5706\u5708<\/strong><\/p>\n<\/p>\n
\r\n checkTouch(e) {\r\n for (let i = 0; i <p><\/p><p><strong>\u66f4\u65b0\u753b\u5e03<\/strong><\/p><p class=\"jb51code\"><\/p><pre class=\"brush:js;\">\r\n drawCanvas(color, point) {\r\n \/\/\u6bcf\u6b21\u66f4\u65b0\u4e4b\u524d\u5148\u6e05\u7a7a\u753b\u5e03\r\n this.ctx.clearRect(0, 0, this.width, this.height);\r\n \/\/\u4f7f\u7528\u4e0d\u540c\u989c\u8272\u548c\u5f62\u5f0f\u7ed8\u5236\u5df2\u89e6\u53d1\u548c\u672a\u89e6\u53d1\u7684\u9501\r\n for (let i = 0; i 1) {\r\n let lastPoint = this.checkPoints[0];\r\n for (let i = 1; i <p><\/p><p><strong>\u5f53\u7528\u6237\u6ed1\u52a8\u7ed3\u675f\u65f6\u8c03\u7528\u56de\u8c03\u51fd\u6570\u5e76\u4f20\u9012\u8bc6\u522b\u51fa\u7684\u624b\u52bf<\/strong><\/p><p class=\"jb51code\"><\/p><pre class=\"brush:js;\">\r\n onTouchEnd(e) {\r\n typeof this.onEnd === 'function' && this.onEnd(this.checkPoints, false);\r\n }\r\n\r\n onTouchCancel(e) {\r\n typeof this.onEnd === 'function' && this.onEnd(this.checkPoints, true);\r\n }<\/pre>\n\u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u91cd\u7f6e\u548c\u663e\u793a\u624b\u52bf\u9519\u8bef<\/strong><\/p>\n
<\/p>\n<\/p>\n
\r\n gestureError() {\r\n this.drawCanvas(this.errorColor)\r\n }\r\n\r\n reset() {\r\n for (let i = 0; i <p><\/p><p><strong>\u5982\u4f55\u8c03\u7528 <\/strong><br><\/p><p>\u5728<a href=\"http:\/\/www.php.cn\/wiki\/1467.html\" target=\"_blank\">onload<\/a>\u65b9\u6cd5\u4e2d\u521b\u5efalock<a href=\"http:\/\/www.php.cn\/wiki\/60.html\" target=\"_blank\">\u5bf9\u8c61<\/a>\u5e76\u5728\u7528\u6237\u89e6\u6478\u4e8b\u4ef6\u4e2d\u8c03\u7528\u76f8\u5e94\u65b9\u6cd5<\/p><p class=\"jb51code\"><\/p><pre class=\"brush:js;\">\r\n onLoad: function () {\r\n var s = this;\r\n this.lock = new Lock(\"id-gesture-lock\", wx.createCanvasContext(\"id-gesture-lock\"), function(checkPoints, isCancel) {\r\n console.log('over');\r\n s.lock.gestureError();\r\n setTimeout(function() {\r\n s.lock.reset();\r\n }, 1000);\r\n }, {width:300, height:300})\r\n this.lock.drawGestureLock();\r\n console.log('onLoad')\r\n var that = this\r\n \/\/\u8c03\u7528\u5e94\u7528\u5b9e\u4f8b\u7684\u65b9\u6cd5\u83b7\u53d6\u5168\u5c40\u6570\u636e\r\n app.getUserInfo(function(userInfo){\r\n \/\/\u66f4\u65b0\u6570\u636e\r\n that.setData({\r\n userInfo:userInfo\r\n })\r\n that.update()\r\n })\r\n },\r\n onTouchStart: function (e) {\r\n this.lock.onTouchStart(e);\r\n },\r\n onTouchMove: function (e) {\r\n this.lock.onTouchMove(e);\r\n },\r\n onTouchEnd: function (e) {\r\n this.lock.onTouchEnd(e);\r\n }<\/pre>\n\u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u624b\u52bf\u89e3\u9501\u5b9e\u4f8b\u4ee3\u7801\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":"
\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: \u6574\u4e2a\u529f\u80fd\u57fa\u4e8e\u5b9e\u73b0\uff0c\u9996\u5148\u6dfb\u52a0\u753b\u5e03\u7ec4\u4ef6\uff0c\u5e76\u8bbe\u5b9a\u6837\u5f0f <!–index.wxml–> <view> <canvas><\/canvas><\/view> \u767b\u5f55\u540e\u590d\u5236 .gesture-lock { margin: 100rpx auto; width: 300px; height: 300px; background-color: #ffffff; } \u767b\u5f55\u540e\u590d\u5236 \u624b\u52bf\u89e3\u9501\u5b9e\u73b0\u4ee3\u7801\u5728gesture_lock.\u4e2d(\u5b8c\u6574\u6e90\u7801\u5730\u5740\u89c1\u672b\u5c3e)\u3002 \u521d\u59cb\u5316 constructor(canvasid, context, cb, opt){ this.touchPoints = []; this.checkPoints = []; this.canvasid = canvasid; this.ctx = context; this.width = opt && opt.width || 300; \/\/\u753b\u5e03\u957f\u5ea6 this.height = opt && opt.height || 300; \/\/\u753b\u5e03\u5bbd\u5ea6 this.cycleNum = opt && opt.cycleNum || 3; this.radius = 0; \/\/\u89e6\u6478\u70b9\u534a\u5f84 this.isParamOk = false; this.marge = this.margeCircle = 25; \/\/\u89e6\u6478\u70b9\u53ca\u89e6\u6478\u70b9\u548c\u753b\u5e03\u8fb9\u754c\u95f4\u9694 this.initColor = opt && opt.initColor || ‘#C5C5C3’; this.checkColor = opt && opt.checkColor || ‘#5AA9EC’; this.errorColor = opt && opt.errorColor || ‘#e19984’; this.touchState = “unTouch”; this.checkParam(); this.lastCheckPoint = null; if (this.isParamOk) { \/\/ \u8ba1\u7b97\u89e6\u6478\u70b9\u7684\u534a\u5f84\u957f\u5ea6 this.radius = (this.width – this.marge * 2 – (this.margeCircle * (this.cycleNum – 1))) \/ (this.cycleNum * 2) this.radius = Math.floor(this.radius); \/\/ \u8ba1\u7b97\u6bcf\u4e2a\u89e6\u6478\u70b9\u7684\u5706\u5fc3\u4f4d\u7f6e this.calCircleParams(); } this.onEnd = cb; \/\/\u6ed1\u52a8\u624b\u52bf\u7ed3\u675f\u65f6\u7684\u56de\u8c03\u51fd\u6570 } \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 calCircleParams() { let n = this.cycleNum; let count = 0; for (let i = 0; i <p><\/p><p><strong>\u7ed8\u5236\u624b\u52bf\u9501<\/strong><\/p><p class=”jb51code”><\/p><pre class=”brush:js;”> for (let i = 0; i <p><\/p><p>\u63a5\u4e0b\u6765\u5c31\u662f\u8bc6\u522b\u7528\u6237\u7684\u6ed1\u52a8<a href=”http:\/\/www.php.cn\/php\/php-tp-behavior.html” target=”_blank”>\u884c\u4e3a<\/a>\uff0c\u5224\u65ad\u7528\u6237\u5212\u8fc7\u4e86\u54ea\u4e9b\u5706\u5708\uff0c\u8fdb\u800c\u8bc6\u522b\u51fa\u7528\u6237\u7684\u624b\u52bf\u3002<\/p><p><strong>\u5728touchstart\u548ctouchmove<a href=”http:\/\/www.php.cn\/php\/php-tp-incident.html” […]<\/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-29014","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/29014","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=29014"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/29014\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=29014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=29014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=29014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}