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
import java.util.Random;
/**
* ÅÅÐò²âÊÔÀà
*
* ÅÅÐòËã·¨µÄ·ÖÀàÈçÏ£º
* 1.²åÈëÅÅÐò£¨Ö±½Ó²åÈëÅÅÐò¡¢ÕÛ°ë²åÈëÅÅÐò¡¢Ï£¶ûÅÅÐò£©£»
* 2.½»»»ÅÅÐò£¨Ã°ÅÝÅÝÅÅÐò¡¢¿ìËÙÅÅÐò£©£»
* 3.Ñ¡ÔñÅÅÐò£¨Ö±½ÓÑ¡ÔñÅÅÐò¡¢¶ÑÅÅÐò£©£»
* 4.¹é²¢ÅÅÐò£»
* 5.»ùÊýÅÅÐò¡£
*
& ......
VAÎÊÌâµÄÒý³ö£º½ñÌì±àд̰³ÔÉß³ÌÐòµÄʱºòÓöµ½ÕâÑùÒ»¸öÎÊÌâ
public class Coordinate {
public int headX, headY;
Coordinate(int headX, int headY) {
this.headX = headX;
this.headY = headY;
}
public boolean equals(Coordinate c) {
& ......
Ò»¡¢JAVAÀ¬»ø»ØÊÕ»úÖÆ¸ÅÊö
ÔÚVB¡¢C++µÈijЩ³ÌÐòÉè¼ÆÓïÑÔÖУ¬ÎÞÂÛÊǶÔÏó»¹ÊǶ¯Ì¬ÅäÖõÄ×ÊÔ´»òÄڴ棬¶¼±ØÐëÓɳÌÐòÔ±×ÔÐÐÉùÃ÷²úÉúºÍ»ØÊÕ£¬·ñÔòÆäÖеÄ×ÊÔ´½«²»¶ÏÏûºÄ£¬Ôì³É×ÊÔ´µÄÀË·ÑÉõÖÁËÀ»ú¡£ÓÉÓÚÒªÔ¤ÏÈÈ·¶¨Õ¼ÓõÄÄÚ´æ¿Õ¼äÊÇ·ñÓ¦¸Ã±»»ØÊÕÊǷdz£À§Äѵģ¬Õâ¾Íµ¼ÖÂÊÖ¹¤»ØÊÕÄÚ´æÍùÍùÊÇÒ»ÏÔÓ¶ø¼è¾ÞµÄ¹¤×÷¡£Òò´Ë£¬µ±Ê¹ÓÃÕâЩ³ÌÐ ......
¸¡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 ......