2012年6月12日 星期二

[JAVA_Apache]POI套件的使用_產出EXCEL文件_產出EXCEL方法(Workbook)

POI的使用
[JAVA_Apache]POI套件的使用_產出EXCEL文件_產出EXCEL方法(Workbook)

           
public static void training1() throws IOException {
 FileOutputStream fileOut = null ;
  try {
   //這裡只是純產出excel檔案而以
   //產出Excel 97(XLS)文件格式
   Workbook hssfwb = new HSSFWorkbook();
   fileOut = new FileOutputStream("workbook.xls");
   hssfwb.write(fileOut);
   fileOut.close();
   //Excel 2007的(XLSX)文件格式
   Workbook xssfwb = new XSSFWorkbook();
   fileOut = new FileOutputStream("workbook.xlsx");
   xssfwb.write(fileOut);
   fileOut.close();
  }
  catch (IOException ioe) {
   ioe.printStackTrace();
  }
  finally {
   if (null != fileOut) {
    fileOut.close();
   }
  }
 }


 
public static void training2() throws IOException {
  // 讀取一個原有的excel檔案
  FileInputStream fileInputStream = null;
  Workbook hssfWorkbook = null;
  try {
   fileInputStream = new FileInputStream(new File("D:/training1.xls"));
   if (null != fileInputStream) {
    try {
     hssfWorkbook = new HSSFWorkbook(fileInputStream);
    }
    catch (IOException e) {
     e.printStackTrace();
    }
   }
  }
  catch (IOException ioe) {
   ioe.printStackTrace();
   throw ioe;
  }
  finally {
   if (null != fileInputStream) {
    fileInputStream.close();
   }
  }
  //將剛讀取的excel檔案,產出為另一個excel檔案。
  FileOutputStream fileOutputStream = null;
  try {
   fileOutputStream = new FileOutputStream(new File("D:/trainingto.xls"));
   hssfWorkbook.write(fileOutputStream);
   fileOutputStream.flush();
  }
  catch (IOException ioe) {
   ioe.printStackTrace();
   throw ioe;
  }
  finally {
   if (null != fileOutputStream) {
    fileOutputStream.close();
   }
  }
 }











其它文章

沒有留言:

張貼留言

標籤

Oracle (150) Oracle DB (144) Oracle_DB (143) Oracle SQL (135) JAVA (84) css-基本類 (65) MySQL (59) CSS Selector (58) jQuery (49) JavaScript-基本類 (39) Spring Boot (38) JavaScript (37) JavaScript HTML DOM (37) JavaScript-HTML_DOM (36) CSS3 (30) JAVA-基本類 (28) jQuery UI (27) Apache (23) Oracle GROUP BY (20) datepicker (20) Android (18) Oracle Date (17) c (17) JAVA-lang套件 (16) Linux (16) Oracle Sub Query (16) Spring-基本類 (16) jQuery-基本類 (16) MySQL-進階系列教學 (15) Android基本類 (14) Grails (14) Oracle join (14) SQLite (13) Spring (13) WIN7-基本類 (13) grails-基本類 (13) linux cent os (13) CKEditor (12) JAVA-流程控制類 (12) JAVA_Spring (12) PHP (11) Spring MVC (11) MySQL-基本系列教學 (10) Notepad (10) Notepad++ (10) SQLite for java (10) Windows (10) c/c++ (10) eclipse (9) jQuery-Selector (9) sqldeveloper (9) DB_Toad (8) JAVA_IDE_Eclipse (8) JavaScript-String類 (8) MySQL DB Toad (8) MySQL-DATE相關 (8) MySQL-函式相關 (8) Spring Bean (8) Android Studio (7) HTML5 (7) Hibernate (7) JAVA-OCWCD (7) JavaScript-陣列類 (7) Docker (6) JAVA-程式分享 (6) JAVA.util套件 (6) JavaScript-數學類 (6) MinGw (6) MySQL-其它類 (6) Servlet (6) centos (6) Apache_Tomcat (5) Apache套件_POI (5) CSS (5) JavaScript-Date物件 (5) JavaScript-其它類 (5) PostgreSQL (5) httpd (5) log4j (5) 基本資訊 (5) 開發工具 (5) CSS Properties (4) Dev-C++ (4) IntelliJ IDEA (4) Oracle DDL (4) Sublime (4) TortoiseSVN (4) apache_Maven (4) Android NDK (3) Eclipse IDE for C/C++ (3) Hibernate-基本類 (3) JAVA-問題 (3) JAVA-綀習分享 (3) JVM (3) Linux 指令 (3) Proxy Server (3) Spring Mobile (3) Spring web (3) Squid (3) VirtualBox (3) maven (3) zk (3) 生活其它 (3) Bootstrap (2) Filter (2) JAVA_IO (2) JAVA_其它_itext套件 (2) JBoss-問題 (2) JSP (2) Jboss (2) Listener (2) MySQL-語法快速查詢 (2) Spring AOP (2) Spring Batch (2) Spring Boot Actuator (2) Spring i18n (2) Subversive (2) Tomcat 8 (2) UML (2) WebJars (2) WinMerge (2) c++ (2) c語言綀習題 (2) jQuery Mobile (2) jQuery-事件處理 (2) jQuery-套件類 (2) putty (2) svn (2) weblogic (2) Apache_JMeter (1) Apache套件_BeanUtils (1) Apache套件_StringUtils (1) Base64 (1) Google API (1) HTML5-基本類 (1) Heap (1) JAVA 7 (1) JAVA SE 、JAVA EE、JAVA ME (1) JAVA 日期 (1) JAVA-OCJP (1) JAVA-WEB (1) JAVA_IDE (1) JAVA其它 (1) JBoss Server (1) JDK (1) JMX (1) JRE (1) Java RMI (1) Java String (1) Joda Time (1) Linux_其它 (1) MySQL教學 (1) Oracle_VirtualBox (1) SQL Server (1) SWT (1) Session (1) Stack (1) Struts 2 (1) Tool (1) ZK Studio (1) csv (1) grails-其它類 (1) jQuery-進階 (1) java mail (1) java web (1) java8 (1) jsoup (1) mockmvc (1) modules (1) tomcat (1) win10 (1) 其它類 (1) 圖片工具 (1) 模擬器 (1) 讀書分享 (1) 開發資訊 (1)

精選文章

初學 Java 的 HelloWorld 程式

撰寫一個JAVA程式 public class HelloWorld{ public static void main(String[ ] args){ System.out.println("我第一支Java程式!!"); } } ...