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poi 导出Excel 2003 和 2007 版本

 
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package utils;
import java.io.OutputStream;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFDataFormat;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRichTextString;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFDataFormat;
import org.apache.poi.xssf.usermodel.XSSFFont;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class PoiExportExcel {



public static void PoiWriteExcel_To2007(String title, String[][] head,String[][]body, OutputStream os){

XSSFWorkbook xssf_w_book=new XSSFWorkbook();
XSSFSheet  xssf_w_sheet=xssf_w_book.createSheet(title);
XSSFRow xssf_w_row=null;//创建一行
XSSFCell xssf_w_cell=null;//创建每个单元格
int col_count = 0;
int row_count = 0;
  row_count = body.length;
col_count = head.length;


XSSFCellStyle head_cellStyle=xssf_w_book.createCellStyle();//创建一个单元格样式
XSSFFont  head_font=xssf_w_book.createFont();
head_font.setFontName("宋体");//设置头部字体为宋体
head_font.setBoldweight(Font.BOLDWEIGHT_BOLD); //粗体
head_font.setFontHeightInPoints((short) 12);
head_cellStyle.setFont(head_font);//单元格样式使用字体





    int titleRows = 0; //标题占据的行数
    xssf_w_row=xssf_w_sheet.createRow(0+titleRows);//第一行写入标题行
  for(int i = 0; i < col_count; i++){
   xssf_w_cell = xssf_w_row.createCell((short)i);  
 
   String type=head[i][2];

   if(type==null){
    type="";
   }
   else if(type.equals("DATE")){
                     System.out.println("走格式化日期这步了");
        XSSFDataFormat  head_format=xssf_w_book.createDataFormat();
        head_cellStyle.setDataFormat(head_format.getFormat("m/d/yy"));
        xssf_w_cell.setCellType(XSSFCell.CELL_TYPE_STRING);
        XSSFRichTextString xssfString =new XSSFRichTextString(head[i][0]);
     xssf_w_cell.setCellValue(xssfString);
     xssf_w_cell.setCellStyle(head_cellStyle);
     xssf_w_sheet.autoSizeColumn((short)i);
      }else{
           XSSFDataFormat  head_format=xssf_w_book.createDataFormat();
           head_cellStyle.setDataFormat(head_format.getFormat("@")); 
        xssf_w_cell.setCellType(XSSFCell.CELL_TYPE_STRING);
        XSSFRichTextString xssfString =new XSSFRichTextString(head[i][0]);
     xssf_w_cell.setCellValue(xssfString);
     xssf_w_cell.setCellStyle(head_cellStyle);
     xssf_w_sheet.autoSizeColumn((short)i);
      }
  }

 
 
  
  XSSFCellStyle cellStyle_CN=xssf_w_book.createCellStyle();//创建数据单元格样式(数据库数据样式)
  
  cellStyle_CN.setBorderBottom(XSSFCellStyle.BORDER_THIN);
  cellStyle_CN.setBorderLeft(XSSFCellStyle.BORDER_THIN);
  cellStyle_CN.setBorderRight(XSSFCellStyle.BORDER_THIN);
  cellStyle_CN.setBorderTop(XSSFCellStyle.BORDER_THIN);
 
 
 
  for(int i = 1; i <= row_count; i++){
   xssf_w_row = xssf_w_sheet.createRow(i+titleRows);
  
   for(int j = 0; j < col_count; j++){
    String val=head[j][1];
    xssf_w_cell = xssf_w_row.createCell((short)j);
       if(val==null || val.trim().equals(""))
       val="0";
    
       String type=head[j][2];
    
       if(type==null)
       type="";
       //判断类型为数字类型
       else if(type.equals("NUM")){
            xssf_w_cell.setCellType(XSSFCell.CELL_TYPE_STRING);
         String value=body[i-1][Integer.parseInt(val)];
       if(value==null || value.trim().equals(""))
         value="0";
       xssf_w_cell.setCellValue(Double.parseDouble(value));
       }
       //判断类型为日期类型
       else if(type.equals("DATE")){
          xssf_w_cell.setCellType(XSSFCell.CELL_TYPE_STRING);//设置单元格为字符串类型
          XSSFDataFormat  format=xssf_w_book.createDataFormat();
          cellStyle_CN.setDataFormat(format.getFormat("yyyy/MM/dd"));       
          String value=body[i-1][Integer.parseInt(val)];
          XSSFRichTextString xssfString =new XSSFRichTextString(value);
          xssf_w_cell.setCellStyle(cellStyle_CN);
          xssf_w_cell.setCellValue(xssfString);
       
       }else{
          xssf_w_cell.setCellType(XSSFCell.CELL_TYPE_STRING);//设置单元格为字符串类型
       
           String value=body[i-1][Integer.parseInt(val)];
         if(value==null )
               value="";
               XSSFDataFormat  format=xssf_w_book.createDataFormat();
               cellStyle_CN.setDataFormat(format.getFormat("@"));
         xssf_w_cell.setCellStyle(cellStyle_CN);
         XSSFRichTextString xssfString =new XSSFRichTextString(value);
            xssf_w_cell.setCellValue(xssfString);
       }
   
  
   }
 
  }
 
 
 
  try{
   xssf_w_book.write(os);
   os.flush();
   os.close();
  
  }
  catch(Exception e){
   e.printStackTrace();
  }

}


public static void PoiWriteExcel_To2003(String title, String[][] head, String[][] body, OutputStream os){
  HSSFWorkbook hssf_w_wk = new HSSFWorkbook();//创建excel
  HSSFSheet hssf_w_s = hssf_w_wk.createSheet(title);//创建一个工作空间
  HSSFRow hssf_w_r = null;//创建一行
  HSSFCell hssf_w_c = null;//每个单元格
  //填写内容
  int col_count = 0;
  int row_count = 0;
  row_count = body.length;
  col_count = head.length;
 
  HSSFCellStyle cellStyle = hssf_w_wk.createCellStyle();
  HSSFFont font = hssf_w_wk.createFont();
  font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
   font.setFontHeightInPoints((short) 10); 
   font.setFontName("宋体");//设置标题字体
  cellStyle.setFont(font);
 
//标题
  int titleRows = 0; //标题占据的行数
  hssf_w_r = hssf_w_s.createRow(0);       
  //第一行写入标题行
  hssf_w_r = hssf_w_s.createRow(0+titleRows);
 
        cellStyle = hssf_w_wk.createCellStyle();
        cellStyle.setFont(font);//设置列标题样式
  cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);
  cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);
  cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
  cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
 
  for(int i = 0; i < col_count; i++){
   hssf_w_c = hssf_w_r.createCell((short)i);  
   String type=head[i][2];
   System.out.println("类型为"+type);
   if(type==null){
    type="";
   }
   else if(type.equals("DATE")){
    HSSFDataFormat format1= hssf_w_wk.createDataFormat();
         cellStyle.setDataFormat(format1.getFormat("m/d/yy"));
         hssf_w_c.setCellType(HSSFCell.CELL_TYPE_STRING); 
    HSSFRichTextString hssfString = new HSSFRichTextString(head[i][0]); 
    hssf_w_c.setCellValue(hssfString);
    hssf_w_c.setCellStyle(cellStyle);
    hssf_w_s.autoSizeColumn((short)i);  
      }else{
           HSSFDataFormat format = hssf_w_wk.createDataFormat(); 
        cellStyle.setDataFormat(format.getFormat("@")); 
     hssf_w_c.setCellType(HSSFCell.CELL_TYPE_STRING);
     HSSFRichTextString hssfString = new HSSFRichTextString(head[i][0]);
     hssf_w_c.setCellValue(hssfString);
     hssf_w_c.setCellStyle(cellStyle);
     hssf_w_s.autoSizeColumn((short)i);
      }
  }
  //第二行开始写入数据
 
  cellStyle = hssf_w_wk.createCellStyle();
  cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);
  cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);
  cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
  cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
 
  for(int i = 1; i <= row_count; i++){
   hssf_w_r = hssf_w_s.createRow(i+titleRows);
  
   for(int j = 0; j < col_count; j++){
    String val=head[j][1];
    hssf_w_c = hssf_w_r.createCell((short)j);
       if(val==null || val.trim().equals(""))
       val="0";
    
       String type=head[j][2];
    
       if(type==null)
       type="";
       //判断类型为数字类型
       else if(type.equals("NUM")){
         hssf_w_c.setCellType(HSSFCell.CELL_TYPE_NUMERIC);
         String value=body[i-1][Integer.parseInt(val)];
       if(value==null || value.trim().equals(""))
         value="0";
         hssf_w_c.setCellValue(Double.parseDouble(value));
       }
       //判断类型为日期类型
       else if(type.equals("DATE")){
        HSSFDataFormat format1= hssf_w_wk.createDataFormat();
          cellStyle.setDataFormat(format1.getFormat("yyyy/m/d/"));    
        String value=body[i-1][Integer.parseInt(val)];
        HSSFRichTextString hssfString = new HSSFRichTextString(value);    
        hssf_w_c.setCellStyle(cellStyle);
        hssf_w_c.setCellValue(hssfString);
       }else{
           hssf_w_c.setCellType(HSSFCell.CELL_TYPE_STRING);
           String value=body[i-1][Integer.parseInt(val)];
         if(value==null )
              value="";
               HSSFDataFormat format2 = hssf_w_wk.createDataFormat(); 
         cellStyle.setDataFormat(format2.getFormat("@"));
         hssf_w_c.setCellStyle(cellStyle);
            HSSFRichTextString hssfString = new HSSFRichTextString(value);
      hssf_w_c.setCellValue(hssfString);
       } 
   }
  }
  try{
   hssf_w_wk.write(os);
   os.flush();
   os.close();
  
  }
  catch(Exception e){
   e.printStackTrace();
  }

}

}
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