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calliphers.js
富源ssl适用于网站、小程序/APP、API接口等需要进行数据传输应用场景,ssl证书未来市场广阔!成为成都创新互联公司的ssl证书销售渠道,可以享受市场价格4-6折优惠!如果有意向欢迎电话联系或者加微信:18980820575(备注:SSL证书合作)期待与您的合作!define(function(){ var callipers = {}; var spaceWidth = 7; // 间隔 var height = 50; // 默认高度 var callipersHtml = ""+ ""+ " "; // 获取数字长度 function getNumberLength(number){ var str = ""+number; return str.length; } function createImage(container,width,height,minValue,maxValue){ var containerWidth = $(container).width(); var c=$(container).find("canvas")[0]; var ctx=c.getContext("2d"); var multiplyingPower=2; c.width=width*multiplyingPower; c.height=height*multiplyingPower; ctx.strokeStyle="#36384d"; ctx.lineWidth=1*multiplyingPower; // 绘制底部线条 ctx.beginPath(); ctx.moveTo(containerWidth/2*multiplyingPower,height*multiplyingPower); ctx.lineTo(width*multiplyingPower-containerWidth/2*multiplyingPower,height*multiplyingPower); ctx.stroke(); // 绘制 for(var i=minValue;i<=maxValue;i++){ var newIndex = spaceWidth*(i-minValue)+containerWidth/2; ctx.moveTo(newIndex*multiplyingPower,50*multiplyingPower); if(i==minValue){ ctx.fillStyle="#959AB9"; ctx.font="24px Arial "; ctx.fillText(i,(newIndex-3)*multiplyingPower,28*multiplyingPower); ctx.lineTo(newIndex*multiplyingPower,35*multiplyingPower); }else if(i%10==0){// 绘制长线 ctx.font="24px Arial"; ctx.fillText(i,(newIndex-6*(getNumberLength(i)-1))*multiplyingPower,28*multiplyingPower); ctx.lineTo(newIndex*multiplyingPower,35*multiplyingPower); }else{//绘制短线 ctx.lineTo(newIndex*multiplyingPower,43*multiplyingPower); } ctx.stroke(); } var p_w_picpathDataUrl = c.toDataURL(); $(container).find("canvas").remove(); // 删除canvas return p_w_picpathDataUrl; } function resetSwiperTransition(swiper){ var translate = swiper.getWrapperTranslate(); var offset = translate%spaceWidth; offset = offset*-1; if(offset>spaceWidth/2){ translate = (parseInt(translate/spaceWidth)-1)*spaceWidth; }else{ translate = (parseInt(translate/spaceWidth))*spaceWidth; } swiper.setWrapperTranslate(translate); var offsetValue = translate/spaceWidth*-1; return offsetValue; } function render(container,settings){ settings = settings||{}; var minValue = settings.min||0; var maxValue = settings.max||200; var progressCallback = settings.progressCallback||function(){}; var transitionEndCallback = settings.transitionEndCallback||function(){}; var initValue = settings.initValue||parseInt((maxValue-minValue)/2+minValue); var containerWidth= $(container).width(); var width = spaceWidth*(maxValue-minValue)+containerWidth; $(container).html(callipersHtml); container.attr("data-min",minValue); container.attr("data-max",maxValue); var dataURL = createImage(container,width,height,minValue,maxValue); $(container).find(".callipers-content").css({ "background-p_w_picpath":"url("+ dataURL+")", "width":width+"px" }); setTimeout(function(){ $(container).find(".swiper-container").swiper({ runCallbacksOnInit:false, freeModeMomentumRatio:0.2, touchRatio:0.5, slidesPerView: "auto", resistanceRatio: 0, freeMode: true, onInit:function(swiper){ var value = resetSwiperTransition(swiper)+minValue; var offset = (initValue-minValue)*spaceWidth*-1; swiper.setWrapperTranslate(offset); container.attr("data-value",initValue); swiper.updateProgress(); container.addClass("initialized"); }, onTouchEnd:function(swiper){ var value = resetSwiperTransition(swiper)+minValue; transitionEndCallback(value); container.attr("data-value",value); }, onTransitionEnd:function(swiper){ var value = resetSwiperTransition(swiper)+minValue; transitionEndCallback(value); container.attr("data-value",value); }, onProgress:function(swiper,progress){ var value = parseInt(swiper.getWrapperTranslate()/spaceWidth)*-1+minValue; progressCallback(value); container.attr("data-value",value); } }); },100); // init swiper } // 初始化 标尺 function init(settings){ var container = settings.container; $(container).each(function(){ render($(this),settings); }); } callipers.init = init; return callipers; });"+ ""+ ""+ " "+ ""+ "
calliphers.css
.callipers{position:relative;opacity:0;} .callipers.initialized{ opacity:1; } .callipers canvas{display:none;} .callipers:before{ content:""; position:absolute; left:0; bottom:0; right:0; width:1px; height:47px; background-color:#b540a8; margin:auto; z-index: 99; } .callipers .callipers-content{ height:50px; background:no-repeat center center; background-size:contain; } .callipers .swiper-container{padding:0;} .callipers .swiper-container .swiper-wrapper{height:auto;} .callipers .swiper-container .swiper-slide{width:auto;height:auto;}
test.html
test.js
define(["callipers"], function(callipers) { $(document).on("pageInit", "#test", function(e, pageId, $page) { callipers.init({ container:$page.find(".callipers"), min:20, max:220, initValue:90, progressCallback:function(value){ console.log("value"); }, transitionEndCallback:function(value){ console.log("value"); } }); }); $.init(); });
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