Thank you!But it is not work. 
my code,as follows: 
  
var mybulletChart:FusionWidgets = new FusionWidgets(); 
     mybulletChart.FCChartType = "HBullet"; 
     mybulletChart.FCDataXML = "<chart palette='4' showValue='0' showBorder='0'  numberSuffix='%'" + 
      " upperLimit='100' caption='tax'>" 
      +"<colorRange>" 
      +"<color minValue='0' maxValue='100' />"  
      +"</colorRange>"  
      +" <value>47</value>" 
      +"</chart>"; 
     mybulletChart.width = 360; 
     mybulletChart.height = 50; 
     container.addElement(mybulletChart);