本文實例講述了jQuery實現帶有漸顯效果的人物多層關係圖。分享給大家供大家參考。具體如下：
這裡示範jQuery實現有漸顯效果的人物多層次關係圖，setQuestPose:function中的n代表共幾個物件r代表週長i代表第幾個物件w代表外面物件的寬頻h代表外面物件的高度d代表其實角度，測試時請注意，如果右下角提示有錯誤，請重新刷新頁面即可。
運作效果截圖如下：
線上示範網址如下：
http://demo.jb51.net/js/2015/jquery-show-gxt-style-demo/
具體程式碼如下：
<!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 class='host'>"+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 class='guest'>"+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 class='relationship'>"+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 class='"+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>
希望本文所述對大家的jQuery程式設計有所幫助。
