Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java²Ù×÷excelÎļþ

Õâ¸öÊÇ×Ô¼º¹ýȥΪÁË·½±ã²Ù×÷excelÊý¾Ý,дµÄÒ»¸ö¹¤¾ßÀà,ûÓÐÓÅ»¯¹ý,ºÇºÇ
ÉÏÃæµÄÊǹ¤¾ßÀà,ÏÂÃæÌáÓ÷¨,д·¨ºÜ±¿,µ«ÓÃ×Å»¹ºÜ·½±ã
package com.dtb.utils;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
/**
* JAVA ²Ù×÷ excel ÖÐµÄ .xlsÎļþ¸ñʽ
* @author dtb
*
*/
public class ExcelUtil {

/** ¹¤×÷±í*/
private Workbook rwb;

/** д²Ù×÷±í*/
private WritableWorkbook wwb;

public ExcelUtil(){}

/**
* ¹¹Ô캯Êý
* @param fileName - ÎļþÃû
*/
public ExcelUtil(String fileName) {
try {
rwb = Workbook.getWorkbook(new FileInputStream(fileName));
} catch (BiffException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}

/**
* ¾²Ì¬¹¤³§·½·¨,·µ»Ø¶Á²Ù×÷µÄExcelUtil¶ÔÏó
* @param fileName - ÎļþÃû
* @return this
*/
public static ExcelUtil getReadExcelUtil(String fileName) {
ExcelUtil eu = new ExcelUtil();
try {
eu.rwb = Workbook.getWorkbook(new FileInputStream(fileName));
} catch (BiffException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return eu;
}

/**
* ¾²Ì¬¹¤³§·½·¨,·µ»ØÐ´²Ù×÷µÄExcelUtil¶ÔÏó
* @param fileName - ÎļþÃû
* @return this
*/
public static ExcelUtil getWriteExcelUtil(String fileName) {
ExcelUtil eu = new ExcelUtil();
try {
eu.wwb = Workbook.createWorkbook(new FileOutputStream(fileName));
} catch (FileNotFoundException e) {
e.printStackTrace();
} cat


Ïà¹ØÎĵµ£º

ÓÐÓõÄjava¿ª·¢Ð¡¹¤¾ß¼°jar°ü

    ÒòΪ¾­³£°áÀ´°áÈ¥£¬×Ô¼ºÊÕ¼¯µÄºÃµÄ¶«¶«Ò²¾­³£¸ú×ÅÎҰᣬ¾­³£ÕÒ²»µ½¡£½ñÌìÕûÀíÁËÕûÀí£¬ÒÔºó°Ñ×Ô¼ºÊÕ¼¯µÄһЩС¶«Î÷ÉÏ´«µ½CSDNµÄÏÂÔØÆµµÀ“ÎÒµÄ×ÊÔ´”ÀïÈ¥£¨http://xlw2003.download.csdn.net/£©¡£ÒÔºó×Ô¼ºÏëÓÃÁË£¬Ò²ÖªµÀÉÏÄĶùÕÒÈ¥¡£Í¬Ê±ÄØ£¬ÆäËûÅóÓÑÒ²¿ÉÒÔÏÂÔØÀ´Óᣠ......

JAVA»ù´¡Êý¾ÝÀàÐÍ

Java ÌṩÁ½ÖÖ²»Í¬µÄÀàÐÍ£ºÒýÓÃÀàÐͺÍԭʼÀàÐÍ£¨»òÄÚÖÃÀàÐÍ£©¡£IntÊÇjavaµÄԭʼÊý¾ÝÀàÐÍ£¬IntegerÊÇjavaΪintÌṩµÄ·â×°Àà¡£JavaΪÿ¸öԭʼÀàÐÍÌṩÁË·â×°Àà¡£
ԭʼÀàÐÍ·â×°Àà
boolean -->Boolean
char --->Character
byte -->Byte
short -->Short
int -->Integer
long -->Long
float -- ......

JavaÏÔÊ¾ÌØ¶¨¸¡µãÊýʱµÄ¹ÖÎÊÌâ

¸¡µãÊý²»ÄܽøÐо«È·ÔËË㣬Õâ¸öÎÊÌâÏë±Ø´ó¼Ò¶¼ÖªµÀ£¬ÎÒ½ñÌìÒ²²»Êǽ²Õâ¸öÎÊÌ⣬¶øÊǽ²Ò»¸ö¹ÖÎÊÌâ¡£
Ê×ÏÈ£¬Çë´ó¼ÒÏÈ¿´ÏÂÒÔϼ¸ÌõÓï¾äµÄÊä³ö£º
Double d1 = 0.005;
Double d2 = Double.parseDouble("0.005");
System.out.println(d1);
System.out.println(d1.toString());
System.out.println(d2);
Êä³ö»áÊÇʲ ......

JavaλÔËËã·ûºÅ²Ù×÷£¨×ª£©

Java ¶¨ÒåµÄλÔËË㣨bitwise operators £©Ö±½Ó¶ÔÕûÊýÀàÐ͵Äλ½øÐвÙ×÷£¬ÕâЩÕûÊýÀàÐͰüÀ¨long£¬int£¬short£¬char£¬and byte ¡£±í4-2 ÁгöÁËλÔËË㣺
±í4.2 λÔËËã·û¼°Æä½á¹û
ÔËËã·û ½á¹û
~ °´Î»·Ç£¨NOT£©£¨Ò»ÔªÔËË㣩
& °´Î»Ó루AND£©
| °´Î»»ò£¨OR£©
^ °´Î»Òì»ò£¨XOR£©
>> ÓÒÒÆ
>>> ÓÒÒ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ