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´´½¨Ò»¸öÎļþtemp£¬Í¬Ê±ÔÚtemp Ŀ¼Ï´´½¨Ò»¸öoutpath.xls
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package com;
import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import jxl.Workbook;
import jxl.format.UnderlineStyle;
import jxl.write.DateTime;
import jxl.write.Label;
import jxl.write.NumberFormat;
import jxl.write.WritableCell;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
public class Demo {
//¶¨ÒåÒ»¸ö¾²Ì¬±äÁ¿
   private static String path="d:/temp/";
//²éÕÒÄ¿±êÎļþÊÇ·ñ´æÔÚ
   static void   checkExist(String   path){      
       java.io.File   file   =   new   java.io.File(path);      
       if(file.isDirectory()){      
           System.out.println("the   dir   is   exits");
           file.delete();
       }else{      
           file.mkdirs();      
           System.out.println("made   a   dir   £¡"   );      
       }      
   }   
   public static void main(String args[]) throws IOException, RowsExceededException, WriteException{
    Demo.checkExist(path);
    File tempFile=new File(path+"outpath.xls");
   


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/**
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*/
package com.code;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
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1¡¢HelloWorldÀý×Ó
package com.my.file.pdf;
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.*;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
public class HelloWorld ......

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enum name{
a,b,c
};

 
struct name{
int a;
int b;
char c;
};

 
or
 
typedef struct{
int a;
int b;
char c;
}Name;

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enum name n1,n2,n3;
n1=a;
n2=b;
n3=enum name(3-1);
struct name sn1,sn2;
s ......
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