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  • 大小: 10.96MB
    文件類型: .zip
    金幣: 2
    下載: 0 次
    發布日期: 2023-10-07
  • 語言: Java
  • 標簽: 上傳Excel??

資源簡介

java利用POI技術實現Excel表格數據的導入并保存至數據庫,導出數據至Excel表格

資源截圖

代碼片段和文件信息

package?org.apache.poi.ss.examples;

import?org.apache.poi.xssf.usermodel.*;
import?org.apache.poi.ss.util.CellRangeAddress;
import?org.apache.poi.ss.usermodel.*;
import?org.apache.poi.ss.usermodel.Font;
import?org.apache.poi.hssf.usermodel.HSSFWorkbook;

import?java.io.FileOutputStream;
import?java.util.Calendar;
import?java.util.Map;
import?java.util.HashMap;

/**
?*?A??monthly?calendar?created?using?Apache?POI.?Each?month?is?on?a?separate?sheet.
?*?

?*?Usage:
?*?CalendarDemo?-xls|xlsx?
?*?

?*
?*?@author?Yegor?Kozlov
?*/
public?class?CalendarDemo?{

private?static?final?String[]?days?=?{
“Sunday“?“Monday“?“Tuesday“
“Wednesday“?“Thursday“?“Friday“?“Saturday“};

private?static?final?String[]??months?=?{
“January“?“February“?“March““April“?“May“?“June““July“?“August“
“September““October“?“November“?“December“};

public?static?void?main(String[]?args)?throws?Exception?{

Calendar?calendar?=?Calendar.getInstance();
boolean?xlsx?=?true;
for?(String?arg?:?args)?{
if?(arg.charAt(0)?==?‘-‘)?{
xlsx?=?arg.equals(“-xlsx“);
}?else?{
calendar.set(Calendar.YEAR?Integer.parseInt(arg));
}
}
int?year?=?calendar.get(Calendar.YEAR);
Workbook?wb?=?xlsx???new?XSSFWorkbook()?:?new?HSSFWorkbook();
// try?(Workbook?wb?=?xlsx???new?XSSFWorkbook()?:?new?HSSFWorkbook())?{
try?{

Mapyle>?styles?=?createstyles(wb);

for?(int?month?=?0;?month? calendar.set(Calendar.MONTH?month);
calendar.set(Calendar.DAY_OF_MONTH?1);
//create?a?sheet?for?each?month
Sheet?sheet?=?wb.createSheet(months[month]);

//turn?off?gridlines
sheet.setDisplayGridlines(false);
sheet.setPrintGridlines(false);
sheet.setFitToPage(true);
sheet.setHorizontallyCenter(true);
PrintSetup?printSetup?=?sheet.getPrintSetup();
printSetup.setLandscape(true);

//the?following?three?statements?are?required?only?for?HSSF
sheet.setAutobreaks(true);
printSetup.setFitHeight((short)?1);
printSetup.setFitWidth((short)?1);

//the?header?row:?centered?text?in?48pt?font
Row?headerRow?=?sheet.createRow(0);
headerRow.setHeightInPoints(80);
Cell?titleCell?=?headerRow.createCell(0);
titleCell.setCellValue(months[month]?+?“?“?+?year);
titleCell.setCellstyle(styles.get(“title“));
sheet.addMergedRegion(CellRangeAddress.valueOf(“$A$1:$N$1“));

//header?with?month?titles
Row?monthRow?=?sheet.createRow(1);
for?(int?i?=?0;?i? //set?column?widths?the?width?is?measured?in?units?of?1/256th?of?a?character?width
sheet.setColumnWidth(i?*?2?5?*?256);?//the?column?is?5?characters?wide
sheet.setColumnWidth(i?*?2?+?1?13?*?256);?//the?column?is?13?characters?wide
sheet.addMergedRegion(new?CellRangeAddress(1?1?i?*?2?i?*?2?+?1));
Cell?monthCell?=?monthRow.createCell(i?*?2);
monthCell.setCellValue(days[i]);
monthCell.setCellstyle(styles.get(“month“));
}

int?cnt?=?1?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-11-30?08:35??poi-master\
?????文件?????????754??2017-11-30?08:35??poi-master\.classpath
?????文件??????????69??2017-11-30?08:35??poi-master\.gitignore
?????文件????????1036??2017-11-30?08:35??poi-master\.project
?????目錄???????????0??2017-11-30?08:35??poi-master\.settings\
?????文件?????????503??2017-11-30?08:35??poi-master\.settings\.jsdtscope
?????文件?????????364??2017-11-30?08:35??poi-master\.settings\org.eclipse.jdt.core.prefs
?????文件?????????463??2017-11-30?08:35??poi-master\.settings\org.eclipse.wst.common.component
?????文件?????????345??2017-11-30?08:35??poi-master\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2017-11-30?08:35??poi-master\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2017-11-30?08:35??poi-master\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件????????1091??2017-11-30?08:35??poi-master\LICENSE.md
?????文件????????2058??2017-11-30?08:35??poi-master\README.md
?????目錄???????????0??2017-11-30?08:35??poi-master\WebContent\
?????目錄???????????0??2017-11-30?08:35??poi-master\WebContent\meta-INF\
?????文件??????????39??2017-11-30?08:35??poi-master\WebContent\meta-INF\MANIFEST.MF
?????目錄???????????0??2017-11-30?08:35??poi-master\WebContent\WEB-INF\
?????目錄???????????0??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\
?????文件???????73098??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\commons-codec-1.5.jar
?????文件???????52915??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\commons-logging-1.1.jar
?????文件??????313898??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\dom4j-1.6.1.jar
?????文件??????245039??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\junit-4.11.jar
?????文件??????358180??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\log4j-1.2.13.jar
?????文件?????1949542??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\poi-3.10.1-20140818.jar
?????文件??????312775??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\poi-examples-3.10.1-20140818.jar
?????文件???????30534??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\poi-excelant-3.10.1-20140818.jar
?????文件?????1035419??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\poi-ooxml-3.10.1-20140818.jar
?????文件?????4946391??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\poi-ooxml-schemas-3.10.1-20140818.jar
?????文件?????1239802??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\poi-scratchpad-3.10.1-20140818.jar
?????文件???????26514??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\stax-api-1.0.1.jar
?????文件?????2730866??2017-11-30?08:35??poi-master\WebContent\WEB-INF\lib\xmlbeans-2.6.0.jar
............此處省略42個文件信息

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