package tf56.goodstaxiAdmin.util;apache
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.json.JSONArray;
import org.json.JSONObject;json
/**
* excel 生成工具
* @author lenovo
*
*/
public class ExcelUtils {工具
/**
*
* @param data 數據
* @param header 標題
* @param itemnames 標題對應的數據字段名
* @return
*/
public static Workbook createWorkbook(JSONArray data,String[] header,String []itemnames,String sheetname){
Workbook workbook = null;
try {
// XSSFWork 2007 HSSWorkbook 2003
workbook = new HSSFWorkbook();
}catch(Exception e) {
System.out.println("It cause Error on CREATING excel workbook: ");
e.printStackTrace();
}
if(workbook != null) {
Sheet sheet = workbook.createSheet(sheetname);
CellStyle style = getStyle(workbook);
Row row0 = sheet.createRow(0);
for(int i = 0; i < header.length; i++) {
Cell cell_1 = row0.createCell(i, Cell.CELL_TYPE_STRING);
cell_1.setCellStyle(style);
cell_1.setCellValue(header[i]);
sheet.autoSizeColumn(i);
}
if(data == null || data.length() == 0) {
Row row = sheet.createRow(1);
Cell cell = row.createCell(0, Cell.CELL_TYPE_STRING);
cell.setCellValue("沒有數據");
} else {
for (int rowNum = 1; rowNum <= data.length(); rowNum++) {
Row row = sheet.createRow(rowNum);
JSONObject item = data.getJSONObject(rowNum-1);
for(int i=0;i<itemnames.length;i++) {
Cell cell = row.createCell(i, Cell.CELL_TYPE_STRING);
String value = "";
if(!item.isNull(itemnames[i])) {
value = item.get(itemnames[i]) + "";
}
cell.setCellValue(value);
}
}
}字體
}
return workbook;
}
private static CellStyle getStyle(Workbook workbook){
CellStyle style = workbook.createCellStyle();
style.setAlignment(CellStyle.ALIGN_CENTER);
style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
// 設置單元格字體
Font headerFont = workbook.createFont(); // 字體
headerFont.setFontHeightInPoints((short)14);
headerFont.setColor(HSSFColor.RED.index);
headerFont.setFontName("宋體");
style.setFont(headerFont);
style.setWrapText(true);this
// 設置單元格邊框及顏色
style.setBorderBottom((short)1);
style.setBorderLeft((short)1);
style.setBorderRight((short)1);
style.setBorderTop((short)1);
style.setWrapText(true);
return style;
}
}
.net
Workbook workbook = ExcelUtils.createWorkbook(data, header, itemnames, "交易列表信息"); excel
FileOutputStream fileOut = null;
try {
/*OutputStream os = response.getOutputStream();
workbook.write(os);
response.flushBuffer();*/
String relativelyPath=this.getResponseHelper().getRequest().getSession().getServletContext().getRealPath("");
File file = new File(relativelyPath+"/temp");
if(!file.exists()){
file.mkdir();
}
file = new File(relativelyPath+"/temp/trade.xls");
if(file.exists()){
file.delete();
}
file.createNewFile();
fileOut = new FileOutputStream(file);
workbook.write(fileOut);
this.zip(relativelyPath+"/temp.zip", new File(relativelyPath+"/temp"));ip