更新flash扇形统计图pie.as，并加多项目标签-优快云博客

详细代码：
/*---design by whb in 2009-8-16---
_radius:半径；_fontSize:字体的大小
用于画一个扇形统计图；
*/
package maths{
import flash.display.Sprite;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormat;
import flash.events.MouseEvent;
public class Pie extends Sprite {
  private var colors:Array=[0x000000,0xff0000,0x00ff00,0x0000ff,0xffff00,0x00ffff,0xff00ff,0x999900,0x009900,0x9999ff];
  private var radius:Number;
  private var pies:Array=[];
  private var txts:Array=[];
  private var angles:Array=[];
  private var rects:Array=[];
  private var datas:Array=[];
  private var labels:Array=[];
  private var txtFormat:TextFormat;
  private var pie:Sprite;
  private var rect:Sprite;
  private var txt:TextField;
  public function Pie(_radius:Number=40,_fontSize:uint=15) {
   radius=_radius;
   txtFormat=new TextFormat();
   txtFormat.size=_fontSize;
  }
  public function drawPies(_array:Array) {
   for each(var obj  in _array){
    datas.push(obj.data);
    labels.push(obj.label);
    }
   //计算圆心角：
   var sumAngle:Number=0;
   for each (var angle in datas) {
    sumAngle+=angle;
   }
   for each (var a in datas) {
    angles.push((a/sumAngle)*2*Math.PI);
   }
   //画扇形图：
   for(var i:uint=0;i
本文转自：http://www.5uflash.com/flashjiaocheng/Flashaschengxu/5139.html