test.java

Java编写的DOM的XML的解析器。用 DOM 解析模型的优点是编程容易

public class Test {
	
	public static void main(String[] arg)
	{
		
		    int queNum =230;
		    int queNumTemp = queNum;
			int quan = 10;
			int shijiqueNumWei=1;
			int queNumWei=4;
			String num0 ="";
			String returnQueNum;
			
			//System.out.println(queNum/quan);
			//System.out.println(queNum%quan);
			
			while(queNumTemp/quan!=0)
			{
				//System.out.println(queNum);
				queNumTemp = queNumTemp/quan;
				//System.out.println(queNum);
				shijiqueNumWei++;
			}
			
			for(int i=shijiqueNumWei;i<queNumWei;i++)
			{
				num0 = "0"+num0;
			}
			
			returnQueNum = num0 + queNum;
			
			System.out.println(returnQueNum);
			
			System.out.println(returnQueNum.substring(0, 4));
			
			System.out.println(Integer.parseInt(returnQueNum));
			
			//System.out.println(shijiqueNumWei);
		
		/*String queType = "多选题";
		
		 String returnQueType="";
		   if(queType.equals("单选题"))
		   {
			   returnQueType = "1";   
		   }
		   else if(queType.equals("多选题"))
		   {
			   returnQueType = "2";   
		   }
		   else if(queType.equals("填空题"))
		   {
			   returnQueType = "3";   
		   }
		   else if(queType.equals("判断题"))
		   {
			   returnQueType = "4";   
		   }
		   else if(queType.equals("问答题"))
		   {
			   returnQueType = "5";   
		   }
		   else if(queType.equals("应用题"))
		   {
			   returnQueType = "6";   
		   }
		   else if(queType.equals("编程题"))
		   {
			   returnQueType = "7";   
		   }
		   System.out.println(returnQueType);*/
			
			
			System.out.println("werwrwrwrwr");
			
			String a="0120345";
			
			int a2;
			
			System.out.println(Integer.parseInt(a.substring(0, 4)));
			
	}

}