jQuery bt气泡实现悬停显示及移开隐藏功能的方法


Posted in Javascript onJuly 12, 2016

本文实例讲述了jQuery bt气泡实现悬停显示及移开隐藏功能的方法。分享给大家供大家参考,具体如下:

jQuery.bt.options.closeWhenOthersOpen = true;
$("img.eq-message").bt({
    trigger:["mouseover", "click"],
    contentSelector:"$(this).next().html()",
    positions:["left", "bottom"],
    fill:"#FFD97A",
    strokeWidth: 0,
    shadow: true,
    shadowOffsetX: 3,
    shadowOffsetY: 3,
    shadowBlur: 8,
    shadowColor: "rgba(0,0,0,.9)",
    shadowOverlap: false,
    noShadowOpts: {strokeStyle: "#999", strokeWidth: 2},
});
var hideDelayTimer = null;
var hideDelayTimer2 = null;
$("div.bt-content").live("mouseover", function(e){
    if (hideDelayTimer) clearTimeout(hideDelayTimer);
    if (hideDelayTimer2) clearTimeout(hideDelayTimer2);
});
$("div.bt-content").live("mouseout", function(e){
    if (hideDelayTimer) clearTimeout(hideDelayTimer);
    hideDelayTimer2 = setTimeout(function(){
      $("div.bt-wrapper").remove();
    }, 100);
});
$("img.eq-message").mouseover(function(){
    if (hideDelayTimer2) clearTimeout(hideDelayTimer2);
    if (hideDelayTimer) clearTimeout(hideDelayTimer);
}).mouseout(function(){
    hideDelayTimer = setTimeout(function(){
      $("div.bt-wrapper").remove();
    }, 100);
});

附:jQuery.bt.min.js插件完整代码如下:

/*

 * @name BeautyTips

 * @desc a tooltips/baloon-help plugin for jQuery

 *

 * @author Jeff Robbins - Lullabot - http://www.lullabot.com

 * @version 0.9.5-rc1  (5/20/2009)

 */

jQuery.bt={version:"0.9.5-rc1"};(function($){jQuery.fn.bt=function(content,options){if(typeof content!="string"){var contentSelect=true;options=content;content=false;}else{var contentSelect=false;}if(jQuery.fn.hoverIntent&&jQuery.bt.defaults.trigger=="hover"){jQuery.bt.defaults.trigger="hoverIntent";}return this.each(function(index){var opts=jQuery.extend(false,jQuery.bt.defaults,jQuery.bt.options,options);opts.spikeLength=numb(opts.spikeLength);opts.spikeGirth=numb(opts.spikeGirth);opts.overlap=numb(opts.overlap);var ajaxTimeout=false;if(opts.killTitle){$(this).find("[title]").andSelf().each(function(){if(!$(this).attr("bt-xTitle")){$(this).attr("bt-xTitle",$(this).attr("title")).attr("title","");}});}if(typeof opts.trigger=="string"){opts.trigger=[opts.trigger];}if(opts.trigger[0]=="hoverIntent"){var hoverOpts=jQuery.extend(opts.hoverIntentOpts,{over:function(){this.btOn();},out:function(){this.btOff();}});$(this).hoverIntent(hoverOpts);}else{if(opts.trigger[0]=="hover"){$(this).hover(function(){this.btOn();},function(){this.btOff();});}else{if(opts.trigger[0]=="now"){if($(this).hasClass("bt-active")){this.btOff();}else{this.btOn();}}else{if(opts.trigger[0]=="none"){}else{if(opts.trigger.length>1&&opts.trigger[0]!=opts.trigger[1]){$(this).bind(opts.trigger[0],function(){this.btOn();}).bind(opts.trigger[1],function(){this.btOff();});}else{$(this).bind(opts.trigger[0],function(){if($(this).hasClass("bt-active")){this.btOff();}else{this.btOn();}});}}}}}this.btOn=function(){if(typeof $(this).data("bt-box")=="object"){this.btOff();}opts.preBuild.apply(this);$(jQuery.bt.vars.closeWhenOpenStack).btOff();$(this).addClass("bt-active "+opts.activeClass);if(contentSelect&&opts.ajaxPath==null){if(opts.killTitle){$(this).attr("title",$(this).attr("bt-xTitle"));}content=$.isFunction(opts.contentSelector)?opts.contentSelector.apply(this):eval(opts.contentSelector);if(opts.killTitle){$(this).attr("title","");}}if(opts.ajaxPath!=null&&content==false){if(typeof opts.ajaxPath=="object"){var url=eval(opts.ajaxPath[0]);url+=opts.ajaxPath[1]?" "+opts.ajaxPath[1]:"";}else{var url=opts.ajaxPath;}var off=url.indexOf(" ");if(off>=0){var selector=url.slice(off,url.length);url=url.slice(0,off);}var cacheData=opts.ajaxCache?$(document.body).data("btCache-"+url.replace(/\./g,"")):null;if(typeof cacheData=="string"){content=selector?$("<div/>").append(cacheData.replace(/<script(.|\s)*?\/script>/g,"")).find(selector):cacheData;}else{var target=this;var ajaxOpts=jQuery.extend(false,{type:opts.ajaxType,data:opts.ajaxData,cache:opts.ajaxCache,url:url,complete:function(XMLHttpRequest,textStatus){if(textStatus=="success"||textStatus=="notmodified"){if(opts.ajaxCache){$(document.body).data("btCache-"+url.replace(/\./g,""),XMLHttpRequest.responseText);}ajaxTimeout=false;content=selector?$("<div/>").append(XMLHttpRequest.responseText.replace(/<script(.|\s)*?\/script>/g,"")).find(selector):XMLHttpRequest.responseText;}else{if(textStatus=="timeout"){ajaxTimeout=true;}content=opts.ajaxError.replace(/%error/g,XMLHttpRequest.statusText);}if($(target).hasClass("bt-active")){target.btOn();}}},opts.ajaxOpts);jQuery.ajax(ajaxOpts);content=opts.ajaxLoading;}}var shadowMarginX=0;var shadowMarginY=0;var shadowShiftX=0;var shadowShiftY=0;if(opts.shadow&&!shadowSupport()){opts.shadow=false;jQuery.extend(opts,opts.noShadowOpts);}if(opts.shadow){if(opts.shadowBlur>Math.abs(opts.shadowOffsetX)){shadowMarginX=opts.shadowBlur*2;}else{shadowMarginX=opts.shadowBlur+Math.abs(opts.shadowOffsetX);}shadowShiftX=(opts.shadowBlur-opts.shadowOffsetX)>0?opts.shadowBlur-opts.shadowOffsetX:0;if(opts.shadowBlur>Math.abs(opts.shadowOffsetY)){shadowMarginY=opts.shadowBlur*2;}else{shadowMarginY=opts.shadowBlur+Math.abs(opts.shadowOffsetY);}shadowShiftY=(opts.shadowBlur-opts.shadowOffsetY)>0?opts.shadowBlur-opts.shadowOffsetY:0;}if(opts.offsetParent){var offsetParent=$(opts.offsetParent);var offsetParentPos=offsetParent.offset();var pos=$(this).offset();var top=numb(pos.top)-numb(offsetParentPos.top)+numb($(this).css("margin-top"))-shadowShiftY;var left=numb(pos.left)-numb(offsetParentPos.left)+numb($(this).css("margin-left"))-shadowShiftX;}else{var offsetParent=($(this).css("position")=="absolute")?$(this).parents().eq(0).offsetParent():$(this).offsetParent();var pos=$(this).btPosition();var top=numb(pos.top)+numb($(this).css("margin-top"))-shadowShiftY;var left=numb(pos.left)+numb($(this).css("margin-left"))-shadowShiftX;}var width=$(this).btOuterWidth();var height=$(this).outerHeight();if(typeof content=="object"){var original=content;var clone=$(original).clone(true).show();var origClones=$(original).data("bt-clones")||[];origClones.push(clone);$(original).data("bt-clones",origClones);$(clone).data("bt-orig",original);$(this).data("bt-content-orig",{original:original,clone:clone});content=clone;}if(typeof content=="null"||content==""){return;}var $text=$('<div class="bt-content"></div>').append(content).css({padding:opts.padding,position:"absolute",width:(opts.shrinkToFit?"auto":opts.width),zIndex:opts.textzIndex,left:shadowShiftX,top:shadowShiftY}).css(opts.cssStyles);var $box=$('<div class="bt-wrapper"></div>').append($text).addClass(opts.cssClass).css({position:"absolute",width:opts.width,zIndex:opts.wrapperzIndex,visibility:"hidden"}).appendTo(offsetParent);if(jQuery.fn.bgiframe){$text.bgiframe();$box.bgiframe();}$(this).data("bt-box",$box);var scrollTop=numb($(document).scrollTop());var scrollLeft=numb($(document).scrollLeft());var docWidth=numb($(window).width());var docHeight=numb($(window).height());var winRight=scrollLeft+docWidth;var winBottom=scrollTop+docHeight;var space=new Object();var thisOffset=$(this).offset();space.top=thisOffset.top-scrollTop;space.bottom=docHeight-((thisOffset+height)-scrollTop);space.left=thisOffset.left-scrollLeft;space.right=docWidth-((thisOffset.left+width)-scrollLeft);var textOutHeight=numb($text.outerHeight());var textOutWidth=numb($text.btOuterWidth());if(opts.positions.constructor==String){opts.positions=opts.positions.replace(/ /,"").split(",");}if(opts.positions[0]=="most"){var position="top";for(var pig in space){position=space[pig]>space[position]?pig:position;}}else{for(var x in opts.positions){var position=opts.positions[x];if((position=="left"||position=="right")&&space[position]>textOutWidth+opts.spikeLength){break;}else{if((position=="top"||position=="bottom")&&space[position]>textOutHeight+opts.spikeLength){break;}}}}var horiz=left+((width-textOutWidth)*0.5);var vert=top+((height-textOutHeight)*0.5);var points=new Array();var textTop,textLeft,textRight,textBottom,textTopSpace,textBottomSpace,textLeftSpace,textRightSpace,crossPoint,textCenter,spikePoint;switch(position){case"top":$text.css("margin-bottom",opts.spikeLength+"px");$box.css({top:(top-$text.outerHeight(true))+opts.overlap,left:horiz});textRightSpace=(winRight-opts.windowMargin)-($text.offset().left+$text.btOuterWidth(true));var xShift=shadowShiftX;if(textRightSpace<0){$box.css("left",(numb($box.css("left"))+textRightSpace)+"px");xShift-=textRightSpace;}textLeftSpace=($text.offset().left+numb($text.css("margin-left")))-(scrollLeft+opts.windowMargin);if(textLeftSpace<0){$box.css("left",(numb($box.css("left"))-textLeftSpace)+"px");xShift+=textLeftSpace;}textTop=$text.btPosition().top+numb($text.css("margin-top"));textLeft=$text.btPosition().left+numb($text.css("margin-left"));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={y:textBottom+opts.spikeLength,x:((textRight-textLeft)*0.5)+xShift,type:"spike"};crossPoint=findIntersectX(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textBottom);crossPoint.x=crossPoint.x<textLeft+opts.spikeGirth/2+opts.cornerRadius?textLeft+opts.spikeGirth/2+opts.cornerRadius:crossPoint.x;crossPoint.x=crossPoint.x>(textRight-opts.spikeGirth/2)-opts.cornerRadius?(textRight-opts.spikeGirth/2)-opts.CornerRadius:crossPoint.x;points[points.length]={x:crossPoint.x-(opts.spikeGirth/2),y:textBottom,type:"join"};points[points.length]={x:textLeft,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textBottom,type:"corner"};points[points.length]={x:crossPoint.x+(opts.spikeGirth/2),y:textBottom,type:"join"};points[points.length]=spikePoint;break;case"left":$text.css("margin-right",opts.spikeLength+"px");$box.css({top:vert+"px",left:((left-$text.btOuterWidth(true))+opts.overlap)+"px"});textBottomSpace=(winBottom-opts.windowMargin)-($text.offset().top+$text.outerHeight(true));var yShift=shadowShiftY;if(textBottomSpace<0){$box.css("top",(numb($box.css("top"))+textBottomSpace)+"px");yShift-=textBottomSpace;}textTopSpace=($text.offset().top+numb($text.css("margin-top")))-(scrollTop+opts.windowMargin);if(textTopSpace<0){$box.css("top",(numb($box.css("top"))-textTopSpace)+"px");yShift+=textTopSpace;}textTop=$text.btPosition().top+numb($text.css("margin-top"));textLeft=$text.btPosition().left+numb($text.css("margin-left"));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={x:textRight+opts.spikeLength,y:((textBottom-textTop)*0.5)+yShift,type:"spike"};crossPoint=findIntersectY(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textRight);crossPoint.y=crossPoint.y<textTop+opts.spikeGirth/2+opts.cornerRadius?textTop+opts.spikeGirth/2+opts.cornerRadius:crossPoint.y;crossPoint.y=crossPoint.y>(textBottom-opts.spikeGirth/2)-opts.cornerRadius?(textBottom-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.y;points[points.length]={x:textRight,y:crossPoint.y+opts.spikeGirth/2,type:"join"};points[points.length]={x:textRight,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textTop,type:"corner"};points[points.length]={x:textRight,y:crossPoint.y-opts.spikeGirth/2,type:"join"};points[points.length]=spikePoint;break;case"bottom":$text.css("margin-top",opts.spikeLength+"px");$box.css({top:(top+height)-opts.overlap,left:horiz});textRightSpace=(winRight-opts.windowMargin)-($text.offset().left+$text.btOuterWidth(true));var xShift=shadowShiftX;if(textRightSpace<0){$box.css("left",(numb($box.css("left"))+textRightSpace)+"px");xShift-=textRightSpace;}textLeftSpace=($text.offset().left+numb($text.css("margin-left")))-(scrollLeft+opts.windowMargin);if(textLeftSpace<0){$box.css("left",(numb($box.css("left"))-textLeftSpace)+"px");xShift+=textLeftSpace;}textTop=$text.btPosition().top+numb($text.css("margin-top"));textLeft=$text.btPosition().left+numb($text.css("margin-left"));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={x:((textRight-textLeft)*0.5)+xShift,y:shadowShiftY,type:"spike"};crossPoint=findIntersectX(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textTop);crossPoint.x=crossPoint.x<textLeft+opts.spikeGirth/2+opts.cornerRadius?textLeft+opts.spikeGirth/2+opts.cornerRadius:crossPoint.x;crossPoint.x=crossPoint.x>(textRight-opts.spikeGirth/2)-opts.cornerRadius?(textRight-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.x;points[points.length]={x:crossPoint.x+opts.spikeGirth/2,y:textTop,type:"join"};points[points.length]={x:textRight,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textTop,type:"corner"};points[points.length]={x:crossPoint.x-(opts.spikeGirth/2),y:textTop,type:"join"};points[points.length]=spikePoint;break;case"right":$text.css("margin-left",(opts.spikeLength+"px"));$box.css({top:vert+"px",left:((left+width)-opts.overlap)+"px"});textBottomSpace=(winBottom-opts.windowMargin)-($text.offset().top+$text.outerHeight(true));var yShift=shadowShiftY;if(textBottomSpace<0){$box.css("top",(numb($box.css("top"))+textBottomSpace)+"px");yShift-=textBottomSpace;}textTopSpace=($text.offset().top+numb($text.css("margin-top")))-(scrollTop+opts.windowMargin);if(textTopSpace<0){$box.css("top",(numb($box.css("top"))-textTopSpace)+"px");yShift+=textTopSpace;}textTop=$text.btPosition().top+numb($text.css("margin-top"));textLeft=$text.btPosition().left+numb($text.css("margin-left"));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={x:shadowShiftX,y:((textBottom-textTop)*0.5)+yShift,type:"spike"};crossPoint=findIntersectY(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textLeft);crossPoint.y=crossPoint.y<textTop+opts.spikeGirth/2+opts.cornerRadius?textTop+opts.spikeGirth/2+opts.cornerRadius:crossPoint.y;crossPoint.y=crossPoint.y>(textBottom-opts.spikeGirth/2)-opts.cornerRadius?(textBottom-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.y;points[points.length]={x:textLeft,y:crossPoint.y-opts.spikeGirth/2,type:"join"};points[points.length]={x:textLeft,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textTop,type:"corner"};points[points.length]={x:textRight,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:textBottom,type:"corner"};points[points.length]={x:textLeft,y:crossPoint.y+opts.spikeGirth/2,type:"join"};points[points.length]=spikePoint;break;}var canvas=document.createElement("canvas");$(canvas).attr("width",(numb($text.btOuterWidth(true))+opts.strokeWidth*2+shadowMarginX)).attr("height",(numb($text.outerHeight(true))+opts.strokeWidth*2+shadowMarginY)).appendTo($box).css({position:"absolute",zIndex:opts.boxzIndex});if(typeof G_vmlCanvasManager!="undefined"){canvas=G_vmlCanvasManager.initElement(canvas);}if(opts.cornerRadius>0){var newPoints=new Array();var newPoint;for(var i=0;i<points.length;i++){if(points[i].type=="corner"){newPoint=betweenPoint(points[i],points[(i-1)%points.length],opts.cornerRadius);newPoint.type="arcStart";newPoints[newPoints.length]=newPoint;newPoints[newPoints.length]=points[i];newPoint=betweenPoint(points[i],points[(i+1)%points.length],opts.cornerRadius);newPoint.type="arcEnd";newPoints[newPoints.length]=newPoint;}else{newPoints[newPoints.length]=points[i];}}points=newPoints;}var ctx=canvas.getContext("2d");if(opts.shadow&&opts.shadowOverlap!==true){var shadowOverlap=numb(opts.shadowOverlap);switch(position){case"top":if(opts.shadowOffsetX+opts.shadowBlur-shadowOverlap>0){$box.css("top",(numb($box.css("top"))-(opts.shadowOffsetX+opts.shadowBlur-shadowOverlap)));}break;case"right":if(shadowShiftX-shadowOverlap>0){$box.css("left",(numb($box.css("left"))+shadowShiftX-shadowOverlap));}break;case"bottom":if(shadowShiftY-shadowOverlap>0){$box.css("top",(numb($box.css("top"))+shadowShiftY-shadowOverlap));}break;case"left":if(opts.shadowOffsetY+opts.shadowBlur-shadowOverlap>0){$box.css("left",(numb($box.css("left"))-(opts.shadowOffsetY+opts.shadowBlur-shadowOverlap)));}break;}}drawIt.apply(ctx,[points],opts.strokeWidth);ctx.fillStyle=opts.fill;if(opts.shadow){ctx.shadowOffsetX=opts.shadowOffsetX;ctx.shadowOffsetY=opts.shadowOffsetY;ctx.shadowBlur=opts.shadowBlur;ctx.shadowColor=opts.shadowColor;}ctx.closePath();ctx.fill();if(opts.strokeWidth>0){ctx.shadowColor="rgba(0, 0, 0, 0)";ctx.lineWidth=opts.strokeWidth;ctx.strokeStyle=opts.strokeStyle;ctx.beginPath();drawIt.apply(ctx,[points],opts.strokeWidth);ctx.closePath();ctx.stroke();}opts.preShow.apply(this,[$box[0]]);$box.css({display:"none",visibility:"visible"});opts.showTip.apply(this,[$box[0]]);if(opts.overlay){var overlay=$('<div class="bt-overlay"></div>').css({position:"absolute",backgroundColor:"blue",top:top,left:left,width:width,height:height,opacity:".2"}).appendTo(offsetParent);$(this).data("overlay",overlay);}if((opts.ajaxPath!=null&&opts.ajaxCache==false)||ajaxTimeout){content=false;}if(opts.clickAnywhereToClose){jQuery.bt.vars.clickAnywhereStack.push(this);$(document).click(jQuery.bt.docClick);}if(opts.closeWhenOthersOpen){jQuery.bt.vars.closeWhenOpenStack.push(this);}opts.postShow.apply(this,[$box[0]]);};this.btOff=function(){var box=$(this).data("bt-box");opts.preHide.apply(this,[box]);var i=this;i.btCleanup=function(){var box=$(i).data("bt-box");var contentOrig=$(i).data("bt-content-orig");var overlay=$(i).data("bt-overlay");if(typeof box=="object"){$(box).remove();$(i).removeData("bt-box");}if(typeof contentOrig=="object"){var clones=$(contentOrig.original).data("bt-clones");$(contentOrig).data("bt-clones",arrayRemove(clones,contentOrig.clone));}if(typeof overlay=="object"){$(overlay).remove();$(i).removeData("bt-overlay");}jQuery.bt.vars.clickAnywhereStack=arrayRemove(jQuery.bt.vars.clickAnywhereStack,i);jQuery.bt.vars.closeWhenOpenStack=arrayRemove(jQuery.bt.vars.closeWhenOpenStack,i);$(i).removeClass("bt-active "+opts.activeClass);opts.postHide.apply(i);};opts.hideTip.apply(this,[box,i.btCleanup]);};var refresh=this.btRefresh=function(){this.btOff();this.btOn();};});function drawIt(points,strokeWidth){this.moveTo(points[0].x,points[0].y);for(i=1;i<points.length;i++){if(points[i-1].type=="arcStart"){this.quadraticCurveTo(round5(points[i].x,strokeWidth),round5(points[i].y,strokeWidth),round5(points[(i+1)%points.length].x,strokeWidth),round5(points[(i+1)%points.length].y,strokeWidth));i++;}else{this.lineTo(round5(points[i].x,strokeWidth),round5(points[i].y,strokeWidth));}}}function round5(num,strokeWidth){var ret;strokeWidth=numb(strokeWidth);if(strokeWidth%2){ret=num;}else{ret=Math.round(num-0.5)+0.5;}return ret;}function numb(num){return parseInt(num)||0;}function arrayRemove(arr,elem){var x,newArr=new Array();for(x in arr){if(arr[x]!=elem){newArr.push(arr[x]);}}return newArr;}function canvasSupport(){var canvas_compatible=false;try{canvas_compatible=!!(document.createElement("canvas").getContext("2d"));}catch(e){canvas_compatible=!!(document.createElement("canvas").getContext);}return canvas_compatible;}function shadowSupport(){try{var userAgent=navigator.userAgent.toLowerCase();if(/webkit/.test(userAgent)){return true;}else{if(/gecko|mozilla/.test(userAgent)&&parseFloat(userAgent.match(/firefox\/(\d+(?:\.\d+)+)/)[1])>=3.1){return true;}}}catch(err){}return false;}function betweenPoint(point1,point2,dist){var y,x;if(point1.x==point2.x){y=point1.y<point2.y?point1.y+dist:point1.y-dist;return{x:point1.x,y:y};}else{if(point1.y==point2.y){x=point1.x<point2.x?point1.x+dist:point1.x-dist;return{x:x,y:point1.y};}}}function centerPoint(arcStart,corner,arcEnd){var x=corner.x==arcStart.x?arcEnd.x:arcStart.x;var y=corner.y==arcStart.y?arcEnd.y:arcStart.y;var startAngle,endAngle;if(arcStart.x<arcEnd.x){if(arcStart.y>arcEnd.y){startAngle=(Math.PI/180)*180;endAngle=(Math.PI/180)*90;}else{startAngle=(Math.PI/180)*90;endAngle=0;}}else{if(arcStart.y>arcEnd.y){startAngle=(Math.PI/180)*270;endAngle=(Math.PI/180)*180;}else{startAngle=0;endAngle=(Math.PI/180)*270;}}return{x:x,y:y,type:"center",startAngle:startAngle,endAngle:endAngle};}function findIntersect(r1x1,r1y1,r1x2,r1y2,r2x1,r2y1,r2x2,r2y2){if(r2x1==r2x2){return findIntersectY(r1x1,r1y1,r1x2,r1y2,r2x1);}if(r2y1==r2y2){return findIntersectX(r1x1,r1y1,r1x2,r1y2,r2y1);}var r1m=(r1y1-r1y2)/(r1x1-r1x2);var r1b=r1y1-(r1m*r1x1);var r2m=(r2y1-r2y2)/(r2x1-r2x2);var r2b=r2y1-(r2m*r2x1);var x=(r2b-r1b)/(r1m-r2m);var y=r1m*x+r1b;return{x:x,y:y};}function findIntersectY(r1x1,r1y1,r1x2,r1y2,x){if(r1y1==r1y2){return{x:x,y:r1y1};}var r1m=(r1y1-r1y2)/(r1x1-r1x2);var r1b=r1y1-(r1m*r1x1);var y=r1m*x+r1b;return{x:x,y:y};}function findIntersectX(r1x1,r1y1,r1x2,r1y2,y){if(r1x1==r1x2){return{x:r1x1,y:y};}var r1m=(r1y1-r1y2)/(r1x1-r1x2);var r1b=r1y1-(r1m*r1x1);var x=(y-r1b)/r1m;return{x:x,y:y};}};jQuery.fn.btPosition=function(){function num(elem,prop){return elem[0]&&parseInt(jQuery.curCSS(elem[0],prop,true),10)||0;}var left=0,top=0,results;if(this[0]){var offsetParent=this.offsetParent(),offset=this.offset(),parentOffset=/^body|html$/i.test(offsetParent[0].tagName)?{top:0,left:0}:offsetParent.offset();offset.top-=num(this,"marginTop");offset.left-=num(this,"marginLeft");parentOffset.top+=num(offsetParent,"borderTopWidth");parentOffset.left+=num(offsetParent,"borderLeftWidth");results={top:offset.top-parentOffset.top,left:offset.left-parentOffset.left};}return results;};jQuery.fn.btOuterWidth=function(margin){function num(elem,prop){return elem[0]&&parseInt(jQuery.curCSS(elem[0],prop,true),10)||0;}return this["innerWidth"]()+num(this,"borderLeftWidth")+num(this,"borderRightWidth")+(margin?num(this,"marginLeft")+num(this,"marginRight"):0);};jQuery.fn.btOn=function(){return this.each(function(index){if(jQuery.isFunction(this.btOn)){this.btOn();}});};jQuery.fn.btOff=function(){return this.each(function(index){if(jQuery.isFunction(this.btOff)){this.btOff();}});};jQuery.bt.vars={clickAnywhereStack:[],closeWhenOpenStack:[]};jQuery.bt.docClick=function(e){if(!e){var e=window.event;}if(!$(e.target).parents().andSelf().filter(".bt-wrapper, .bt-active").length&&jQuery.bt.vars.clickAnywhereStack.length){$(jQuery.bt.vars.clickAnywhereStack).btOff();$(document).unbind("click",jQuery.bt.docClick);}};jQuery.bt.defaults={trigger:"hover",clickAnywhereToClose:true,closeWhenOthersOpen:false,shrinkToFit:false,width:"200px",padding:"10px",spikeGirth:10,spikeLength:15,overlap:0,overlay:false,killTitle:true,textzIndex:9999,boxzIndex:9998,wrapperzIndex:9997,offsetParent:null,positions:["most"],fill:"rgb(255, 255, 102)",windowMargin:10,strokeWidth:1,strokeStyle:"#000",cornerRadius:5,centerPointX:0.5,centerPointY:0.5,shadow:false,shadowOffsetX:2,shadowOffsetY:2,shadowBlur:3,shadowColor:"#000",shadowOverlap:false,noShadowOpts:{strokeStyle:"#999"},cssClass:"",cssStyles:{},activeClass:"bt-active",contentSelector:"$(this).attr('title')",ajaxPath:null,ajaxError:"<strong>ERROR:</strong> <em>%error</em>",ajaxLoading:"<blink>Loading...</blink>",ajaxData:{},ajaxType:"GET",ajaxCache:true,ajaxOpts:{},preBuild:function(){},preShow:function(box){},showTip:function(box){$(box).show();},postShow:function(box){},preHide:function(box){},hideTip:function(box,callback){$(box).hide();callback();},postHide:function(){},hoverIntentOpts:{interval:300,timeout:500}};jQuery.bt.options={};})(jQuery);

希望本文所述对大家jQuery程序设计有所帮助。

Javascript 相关文章推荐
js查找父节点的简单方法
Jun 28 Javascript
javascript web对话框与弹出窗口
Feb 22 Javascript
javascript 解析后的xml对象的读取方法细解
Jul 25 Javascript
父页面显示遮罩层弹出半透明状态的dialog
Mar 04 Javascript
JavaScript Array对象详解
Mar 01 Javascript
js实现4个方向滚动的球
Mar 06 Javascript
详谈angularjs中路由页面强制更新的问题
Apr 24 Javascript
JS+HTML实现的圆形可点击区域示例【3种方法】
Aug 01 Javascript
bootstrap select2插件用ajax来获取和显示数据的实例
Aug 09 Javascript
微信小程序实现点击卡片 翻转效果
Sep 04 Javascript
浅谈监听单选框radio改变事件(和layui中单选按钮改变事件)
Sep 10 Javascript
js实现滑动滑块验证登录
Jul 24 Javascript
Extjs 点击复选框在表格中增加相关信息行
Jul 12 #Javascript
jQuery插件学习教程之SlidesJs轮播+Validation验证
Jul 12 #Javascript
JavaScript中的事件委托及好处
Jul 12 #Javascript
原生js实现class的添加和删除简单代码
Jul 12 #Javascript
JavaScript动态添加事件之事件委托
Jul 12 #Javascript
html+js实现简单的计算器代码(加减乘除)
Jul 12 #Javascript
Javascript iframe交互并兼容各种浏览器的解决方法
Jul 12 #Javascript
You might like
PHP初学者常见问题集合 修正版(21问答)
2010/03/23 PHP
PHP 动态随机生成验证码类代码
2010/04/09 PHP
php中的Base62类(适用于数值转字符串)
2013/08/12 PHP
PHP几个实用自定义函数小结
2016/01/25 PHP
PHP正则匹配日期和时间(时间戳转换)的实例代码
2016/12/14 PHP
php使用PDO下exec()函数查询执行后受影响行数的方法
2017/03/28 PHP
PHP模型Model类封装数据库操作示例
2019/03/14 PHP
关于Javascript 的 prototype问题。
2007/01/03 Javascript
js URL参数的拼接方法比较
2012/02/15 Javascript
jquery 实现表单验证功能代码(简洁)
2012/07/03 Javascript
利用javascript判断文件是否存在
2013/12/31 Javascript
Javascript自定义函数判断网站访问类型是PC还是移动终端
2014/01/10 Javascript
javascript搜索框效果实现方法
2015/05/14 Javascript
js实现二级菜单渐隐显示
2015/11/03 Javascript
JS三目运算(三元运算)方法详解
2017/03/01 Javascript
JS仿JQuery选择器功能
2017/03/08 Javascript
Mint UI 基于 Vue.js 移动端组件库
2017/11/07 Javascript
layui select动态添加option的实例
2018/03/07 Javascript
Bootstrap-table使用footerFormatter做统计列功能
2018/09/07 Javascript
详解React 服务端渲染方案完美的解决方案
2018/12/14 Javascript
ES6 如何改变JS内置行为的代理与反射
2019/02/11 Javascript
JS实现的tab切换并显示相应内容模块功能示例
2019/08/03 Javascript
利用webpack理解CommonJS和ES Modules的差异区别
2020/06/16 Javascript
python采集博客中上传的QQ截图文件
2014/07/18 Python
wxPython实现窗口用图片做背景
2018/04/25 Python
Python爬虫——爬取豆瓣电影Top250代码实例
2019/04/17 Python
使用Python实现文字转语音并生成wav文件的例子
2019/08/08 Python
Pytorch: 自定义网络层实例
2020/01/07 Python
Python面向对象编程基础实例分析
2020/01/17 Python
Django配置跨域并开发测试接口
2020/11/04 Python
澳大利亚最超值的自行车之家:Reid Cycles
2019/03/24 全球购物
体育专业个人的求职信范文
2013/09/21 职场文书
实习单位接收函模板
2014/01/10 职场文书
餐饮营销方案
2014/02/23 职场文书
四年级评语大全
2014/04/21 职场文书
js不常见操作运算符总结
2021/11/20 Javascript