本文实例讲述了jQuery实现带渐显效果的人物多级关系图。分享给大家供大家参考。具体如下：
这里演示jQuery实现带渐显效果的人物多级关系图，setQuestPose:function中的n代表共几个对象 r代表周长 i代表第几个对象 w代表外面对象的宽带 h代表外面对象的高度 d代表其实角度，测试时请注意，如果右下角提示有错误，请重新刷新页面即可。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/jquery-show-gxt-style-demo/
具体代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>jQuery渐显效果的人物多级关系图</title> <meta http-equiv="content-type" content="text/html;charset=gb2312"> <style type="text/css"> #box{width:500px;height:500px;position:relative;} .host{position:absolute;width:100px;height:50px;line-height:50px;text-align:center;color:#000000;background-color:#eeeeee;border:#000000 1px solid;font-weight:bolder;} .guest{position:absolute;width:80px;height:40px;line-height:40px;text-align:center;color:#999999;background-color:#FFFFFF;border:#000000 1px solid;cursor:pointer;} .relationship{position:absolute;width:60px;height:20px;color:#aaa;line-height:20px;font-size:12px;text-align:center;} </style> <script src="jquery1.3.2.js"></script> <script type="text/javascript"> var relationName = [ {name:"成龙",friend:[ {name:"房祖名",relationship:"父子"}, {name:"林凤娇",relationship:"夫妻"}, {name:"吴绮莉",relationship:"绯闻"}, {name:"徐静蕾",relationship:"激吻"}] }, {name:"房祖名",friend:[ {name:"成龙",relationship:"父子"}, {name:"林凤娇",relationship:"母子"}, {name:"方大同",relationship:"情敌"}, {name:"薛凯琪",relationship:"女友"}, {name:"陈坤",relationship:"朋友"}, {name:"赵薇",relationship:"朋友"}] }, {name:"林凤娇",friend:[ {name:"成龙",relationship:"夫妻"}, {name:"房祖名",relationship:"母子"}, {name:"吴绮莉",relationship:"情敌"}] }, {name:"吴绮莉",friend:[ {name:"成龙",relationship:"绯闻"}, {name:"林凤娇",relationship:"情敌"}, {name:"吴卓林",relationship:"母女"}] }, {name:"徐静蕾",friend:[ {name:"李亚鹏",relationship:"电影"}, {name:"韩寒",relationship:"娱乐圈"}, {name:"成龙",relationship:"激吻"}, {name:"黄立行",relationship:"电影"}] }, {name:"方大同",friend:[ {name:"房祖名",relationship:"情敌"}, {name:"薛凯琪",relationship:"否认拍拖"}, {name:"林宥嘉",relationship:"歌手"}, {name:"韩庚",relationship:"演唱会"}] }, {name:"薛凯琪",friend:[ {name:"方大同",relationship:"否认拍拖"}, {name:"房祖名",relationship:"女友"}] } ] var relation = { radius:150, boxW:500, boxH:500, hostW:100, hostH:50, guestW:80, guestH:40, relationW:60, relationH:20, angle:0, id:"box", init:function(array,n){//传入参数1：数组 参数2：第几个 this.array = array; this.appendHost(this.array,n); this.appendQuest(this.array,n); this.appendRelationShip(this.array,n); }, appendHost:function(array,n){ var box = $("#"+this.id); var host ="<span>"+array[n].name+"</span>"; box.append(host) this.postHost(); }, postHost:function(){ var x = (this.boxW - this.hostW)/2; var y = (this.boxH - this.hostH)/2; $(".host").css({ left:x, top:y }) }, appendQuest:function(array,n){ var box = $("#"+this.id); var guests=""; var that = this; for(var i=0; i<array[n].friend.length; i++){ guests+="<span>"+array[n].friend[i].name+"</span>"; } $(guests).appendTo(box); $(".guest").live("click",function(){ that.move(that,this); }) this.postQuest(); }, postQuest:function(){ var guests = $(".guest"); var that = this; guests.each(function(i){ guests.eq(i).css({ left:that.setQuestPose(guests.length,that.radius,i,that.guestW,that.guestH,that.angle).left, top:that.setQuestPose(guests.length,that.radius,i,that.guestW,that.guestH,that.angle).top }).attr("angle",i/guests.length) }) }, setQuestPose:function(n,r,i,w,h,d){//n代表共几个对象 r代表周长 i代表第几个对象 w代表外面对象的宽带 h代表外面对象的高度 d代表其实角度 var p = i/n*Math.PI*2+Math.PI*2*d; var x = r * Math.cos(p); var y = r * Math.sin(p); return { "left":parseInt(this.boxW/2+ x - w/2), "top":parseInt(this.boxH/2 + y - h/2) } }, appendRelationShip:function(array,n){ var box = $("#"+this.id); var relation=""; for(var i=0; i<array[n].friend.length; i++){ relation+="<span>"+array[n].friend[i].relationship+"</span>"; } box.append(relation); this.postRelationShip(); }, postRelationShip:function(){ var guests = $(".relationship"); var that = this; guests.each(function(i){ guests.eq(i).css({ left:that.setQuestPose(guests.length,that.radius/2,i,that.relationW,that.relationH,that.angle).left, top:that.setQuestPose(guests.length,that.radius/2,i,that.relationW,that.relationH,that.angle).top }) }) }, move:function(t,i){ var n = $(".guest").index($(i)); this.angle = parseFloat($(i).attr("angle"))+0.5; this.delect(n); this.moveHost(i); this.moveQuest(i); this.moveRelationship(i); this.changeClass(); setTimeout(function(){t.newAppend(i)},500); }, newAppend:function(i){ this.newAppendGuest(i,"guest","name",this.guestW,this.guestH,this.radius); this.newAppendGuest(i,"relationship","relationship",this.relationW,this.relationH,this.radius/2); }, newAppendGuest:function(i,className,name,w,h,r){ var host = $(i).html(); var guest = $(".guest").html(); var box = $("#"+this.id); var that = this; var next=0; for(var i=0; i<this.array.length; i++){ if(host == this.array[i].name){ for(var j=0;j<this.array[i].friend.length; j++){ if(guest !== this.array[i].friend[j].name){ next++; var guests ="<span+className+"'>"+this.array[i].friend[j][name]+"</span>"; $(guests).appendTo(box).css({ left:that.setQuestPose(this.array[i].friend.length,r,next,w,h,that.angle).left, top:that.setQuestPose(this.array[i].friend.length,r,next,w,h,that.angle).top }).attr("angle",that.angle+next/this.array[i].friend.length).hide().fadeIn(1000); } } } } }, moveHost:function(i){ var hLeft = parseInt($(".host").css("left")) + this.hostW/2; var hTop = parseInt($(".host").css("top")) + this.hostH/2; var gLeft = parseInt($(i).css("left")) + this.guestW/2; var gTop = parseInt($(i).css("top")) + this.guestH/2; var l = gLeft - hLeft; var t = gTop - hTop; var left = (hLeft - l - this.guestW/2)+"px"; var top = (hTop - t - this.guestH/2)+"px"; this.animate(".host",left,top); }, moveRelationship:function(i){ var hLeft = parseInt($(".host").css("left")) + this.hostW/2;; var hTop = parseInt($(".host").css("top")) + this.hostH/2; var gLeft = parseInt($(".relationship").css("left")) + this.relationW/2; var gTop = parseInt($(".relationship").css("top")) + this.relationH/2; var l = gLeft - hLeft; var t = gTop - hTop; var left = (hLeft - l - this.relationW/2)+"px"; var top = (hTop - t - this.relationH/2)+"px"; this.animate(".relationship",left,top); }, moveQuest:function(i){ var left = $(".host").css("left"); var top = $(".host").css("top"); this.animate(i,left,top); }, delect:function(n){ $(".guest").slice(0,n).remove(); $(".guest").slice(1).remove(); $(".relationship").slice(0,n).remove(); $(".relationship").slice(1).remove(); }, animate:function(i,left,top){ $(i).animate({ left:left, top:top },500); }, changeClass:function(){ var that =this; $(".guest").addClass("abcdef").removeClass("guest"); $(".host").addClass("guest").removeClass("host").attr("angle",that.angle); $(".abcdef").addClass("host").removeClass("abcdef").attr("angle",null); } } $(document).ready(function(){ relation.init(relationName,0) }) </script> </head> <body> 看不到效果，刷新一下就可以了；<br> <div id="box"></div> </body> </html>
希望本文所述对大家的jQuery程序设计有所帮助。
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