public int[] getTime(String strFileName) throws DocumentException{
	 xmlFile=new File(strFileName);      
	 SAXReader reader=new SAXReader();     
	 Document xmlDoc;
	 
	 xmlDoc = reader.read(xmlFile);
	 
	 	
	  	List step_number = xmlDoc.selectNodes("//step_number");
		String number = "";
		int[] ti = new int[1000];
		
		for(Iterator it = step_number.iterator();it.hasNext();){
			Element ele=(Element)it.next();
			number += ele.getText();
		} 
		
		System.out.println(""+number);
		String[] num = number.split("1");
		System.out.println("鳤"+num.length);
		
		for(int i=1; i<num.length; i++){
			System.out.println(num[i].length());
			ti[i] = num[i].length()+1;
		} 
		return ti;
			
 }