POI导出EXCEL【摘自:oschina.net】

package com.tkqd.util.poi;
002   
003 import java.io.FileNotFoundException;
004 import java.io.FileOutputStream;
005 import java.io.IOException;
006   
007 import org.apache.log4j.Logger;
008 import org.apache.poi.hssf.usermodel.HSSFCell;
009 import org.apache.poi.hssf.usermodel.HSSFRow;
010 import org.apache.poi.hssf.usermodel.HSSFSheet;
011 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
012 import org.apache.poi.hssf.util.HSSFCellUtil;
013 import org.apache.poi.ss.usermodel.CellStyle;
014 import org.apache.poi.ss.usermodel.Font;
015 import org.apache.poi.ss.util.CellRangeAddress;
016   
017 /**
018  * 描述:Excel写操作帮助类
019  * @author  ALEX
020  * @since   2010-11-24
021  * @version 1.0v
022  */
023 public class ExcelUtil {
024     private static final Logger log=Logger.getLogger(ExcelUtil.class);
025     /**
026      * 功能:将HSSFWorkbook写入Excel文件
027      * @param   wb      HSSFWorkbook
028      * @param   absPath 写入文件的相对路径
029      * @param   wbName  文件名
030      */
031     public static void writeWorkbook(HSSFWorkbook wb,String fileName){
032         FileOutputStream fos=null;
033         try {
034             fos=new FileOutputStream(fileName);
035             wb.write(fos);
036         } catch (FileNotFoundException e) {
037             log.error(new StringBuffer("[").append(e.getMessage()).append("]").append(e.getCause()));
038         } catch (IOException e) {
039             log.error(new StringBuffer("[").append(e.getMessage()).append("]").append(e.getCause()));
040         } finally{
041             try {
042                 if(fos!=null){
043                     fos.close();
044                 }
045             } catch (IOException e) {
046                 log.error(new StringBuffer("[").append(e.getMessage()).append("]").append(e.getCause()));
047             }
048         }
049     }
050     /**
051      * 功能:创建HSSFSheet工作簿
052      * @param   wb  HSSFWorkbook
053      * @param   sheetName   String
054      * @return  HSSFSheet
055      */
056     public static HSSFSheet createSheet(HSSFWorkbook wb,String sheetName){
057         HSSFSheet sheet=wb.createSheet(sheetName);
058         sheet.setDefaultColumnWidth(12);
059         sheet.setGridsPrinted(false);
060         sheet.setDisplayGridlines(false);
061         return sheet;
062     }
063     /**
064      * 功能:创建HSSFRow
065      * @param   sheet   HSSFSheet
066      * @param   rowNum  int
067      * @param   height  int
068      * @return  HSSFRow
069      */
070     public static HSSFRow createRow(HSSFSheet sheet,int rowNum,int height){
071         HSSFRow row=sheet.createRow(rowNum);
072         row.setHeight((short)height);
073         return row;
074     }
075     /**
076      * 功能:创建CellStyle样式
077      * @param   wb              HSSFWorkbook    
078      * @param   backgroundColor 背景色 
079      * @param   foregroundColor 前置色
080      * @param   font            字体
081      * @return  CellStyle
082      */
083     public static CellStyle createCellStyle(HSSFWorkbook wb,short backgroundColor,short foregroundColor,short halign,Font font){
084         CellStyle cs=wb.createCellStyle();
085         cs.setAlignment(halign);
086         cs.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
087         cs.setFillBackgroundColor(backgroundColor);
088         cs.setFillForegroundColor(foregroundColor);
089         cs.setFillPattern(CellStyle.SOLID_FOREGROUND);
090         cs.setFont(font);
091         return cs;
092     }
093     /**
094      * 功能:创建带边框的CellStyle样式
095      * @param   wb              HSSFWorkbook    
096      * @param   backgroundColor 背景色 
097      * @param   foregroundColor 前置色
098      * @param   font            字体
099      * @return  CellStyle
100      */
101     public static CellStyle createBorderCellStyle(HSSFWorkbook wb,short backgroundColor,short foregroundColor,short halign,Font font){
102         CellStyle cs=wb.createCellStyle();
103         cs.setAlignment(halign);
104         cs.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
105         cs.setFillBackgroundColor(backgroundColor);
106         cs.setFillForegroundColor(foregroundColor);
107         cs.setFillPattern(CellStyle.SOLID_FOREGROUND);
108         cs.setFont(font);
109         cs.setBorderLeft(CellStyle.BORDER_DASHED);
110         cs.setBorderRight(CellStyle.BORDER_DASHED);
111         cs.setBorderTop(CellStyle.BORDER_DASHED);
112         cs.setBorderBottom(CellStyle.BORDER_DASHED);  
113         return cs;
114     }
115     /**
116      * 功能:创建CELL
117      * @param   row     HSSFRow 
118      * @param   cellNum int
119      * @param   style   HSSFStyle
120      * @return  HSSFCell
121      */
122     public static HSSFCell createCell(HSSFRow row,int cellNum,CellStyle style){
123         HSSFCell cell=row.createCell(cellNum);
124         cell.setCellStyle(style);
125         return cell;
126     }
127     /**
128      * 功能:合并单元格
129      * @param   sheet       HSSFSheet
130      * @param   firstRow    int
131      * @param   lastRow     int
132      * @param   firstColumn int
133      * @param   lastColumn  int
134      * @return  int         合并区域号码
135      */
136     public static int mergeCell(HSSFSheet sheet,int firstRow,int lastRow,int firstColumn,int lastColumn){
137         return sheet.addMergedRegion(new CellRangeAddress(firstRow,lastRow,firstColumn,lastColumn));    
138     }
139     /**
140      * 功能:创建字体
141      * @param   wb          HSSFWorkbook    
142      * @param   boldweight  short
143      * @param   color       short
144      * @return  Font    
145      */
146     public static Font createFont(HSSFWorkbook wb,short boldweight,short color,short size){
147         Font font=wb.createFont();
148         font.setBoldweight(boldweight);
149         font.setColor(color);
150         font.setFontHeightInPoints(size);
151         return font;
152     }
153     /**
154      * 设置合并单元格的边框样式
155      * @param   sheet   HSSFSheet   
156      * @param   ca      CellRangAddress
157      * @param   style   CellStyle
158      */
159     public static void setRegionStyle(HSSFSheet sheet, CellRangeAddress ca,CellStyle style) {  
160         for (int i = ca.getFirstRow(); i <= ca.getLastRow(); i++) {  
161             HSSFRow row = HSSFCellUtil.getRow(i, sheet);  
162             for (int j = ca.getFirstColumn(); j <= ca.getLastColumn(); j++) {  
163                 HSSFCell cell = HSSFCellUtil.getCell(row, j);  
164                 cell.setCellStyle(style);  
165             }  
166         }  
167     }  
168 }
posted @ 2011-05-25 19:09  blueKnight  Views(478)  Comments(0Edit  收藏  举报