POI 和 excel

package action.app.icp;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Date;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import org.apache.commons.lang.StringUtils;
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.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.RichTextString;

import action.app.icp.dao.itemExpDao;
import app.icp.desk.DeskDao;
import app.icp.statistics.StatisticsDao;

import com.inspur.base.BaseAction;
import com.inspur.bean.DataSet;
import com.inspur.bean.ParameterSet;
import com.inspur.util.PathUtil;
import com.inspur.util.Tools;
import com.inspur.util.URLEncode;

public class declareStatisticExpCity extends BaseAction {
	
	//excel文件樣式表
	private HSSFCellStyle cellLeftStyle;
	private HSSFCellStyle cellRightStyle;
	private HSSFCellStyle cellCenterStyle;
	private HSSFCellStyle cellPerStyle;
	
	@Override
	public boolean handler(Map<String, Object> data) {
		Map param = this.getPostData();
		//等同頁面傳遞參數
		ParameterSet pSet = new ParameterSet();
		String type = (String) param.get("type");
		//xls文件的目錄
		String xmlPath = PathUtil.getTempPath() + Tools.getUUID32() + ".xls";
		//模板的位置
		String itemTemplatePath = PathUtil.getWebPath() + "public" + File.separator + "template" + File.separator;
		int len;//列數
		int column;//行數
		itemTemplatePath += "city.xls";
		len=19;
		column = 0;//爲什麼column是1
		try {
			//開始的行數
			int start = 4;
			HSSFWorkbook wb = new HSSFWorkbook(new FileInputStream(itemTemplatePath));
			HSSFSheet sheet0 = wb.getSheetAt(0); // 第一個工作表
			//設計表格的樣式
			cellLeftStyle = wb.createCellStyle();
			cellLeftStyle.setBorderTop((short) 1);
			cellLeftStyle.setBorderLeft((short) 1);
			cellLeftStyle.setBorderRight((short) 1);
			cellLeftStyle.setBorderBottom((short) 1);
			cellLeftStyle.setAlignment(HSSFCellStyle.ALIGN_LEFT);
			cellRightStyle = wb.createCellStyle();
			cellRightStyle.setBorderTop((short) 1);
			cellRightStyle.setBorderLeft((short) 1);
			cellRightStyle.setBorderRight((short) 1);
			cellRightStyle.setBorderBottom((short) 1);
			cellRightStyle.setAlignment(HSSFCellStyle.ALIGN_RIGHT);
			cellCenterStyle = wb.createCellStyle();
			cellCenterStyle.setBorderTop((short) 1);
			cellCenterStyle.setBorderLeft((short) 1);
			cellCenterStyle.setBorderRight((short) 1);
			cellCenterStyle.setBorderBottom((short) 1);
			cellCenterStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
			cellPerStyle = wb.createCellStyle();
			cellPerStyle.setBorderTop((short) 1);
			cellPerStyle.setBorderLeft((short) 1);
			cellPerStyle.setBorderRight((short) 1);
			cellPerStyle.setBorderBottom((short) 1);
			cellPerStyle.setAlignment(HSSFCellStyle.ALIGN_RIGHT);
			cellPerStyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("0.00%"));
			// 寫數據到excel表
			DataSet items1 = StatisticsDao.getInstance().getDeptStatisticGzs(pSet);
			JSONArray jaItems = items1.getJAData();
			int ilen = jaItems.size();
			JSONObject io = null;
			for (int i = 0; i < ilen; i++) {
				io = jaItems.getJSONObject(i);
				// 申請材料
				int rowIndex = start + i;
				Float sub1;
				sub1=Float.parseFloat(io.getString("NARU_SX"));
				int num10,num12,num14;
				num10=Integer.parseInt(io.getString("DECLARE_SERVICE_LEVE_1"));
				num12=Integer.parseInt(io.getString("DECLARE_SERVICE_LEVE_2"));
				num14=Integer.parseInt(io.getString("DECLARE_SERVICE_LEVE_3"));
				String per10=formatSt(sub1, num10);
				String per12=formatSt(sub1, num12);
				String per14=formatSt(sub1, num14);
				HSSFRow tempRow = sheet0.createRow(rowIndex);
				setCellValue(tempRow, 0 + column, io.getString("NAME"),false,"string");
				setCellValue(tempRow, 1 + column, io.getString("SX_NUM"), false, "number");
				setCellValue(tempRow, 2 + column, io.getString("GS_SX_NUM"), false, "number");
				setCellValue(tempRow, 3 + column, io.getString("SX"), false, "number");
				setCellValue(tempRow, 4 + column, io.getString("XZXK"), false, "number");
				setCellValue(tempRow, 5 + column, io.getString("FXZXK"), false, "number");
				setCellValue(tempRow, 6 + column, io.getString("GS_XZXK"), false, "number");
				setCellValue(tempRow, 7 + column, io.getString("SX_SECRET"), false, "number");
				setCellValue(tempRow, 8 + column, io.getString("NARU_SX"), false, "number");
				setCellValue(tempRow, 9 + column, io.getString("DECLARE_SERVICE_LEVE_1"), false, "number");
				setCellValue(tempRow, 10 + column, per10, true, "number");
				setCellValue(tempRow, 11 + column, io.getString("DECLARE_SERVICE_LEVE_2"), false, "number");
				setCellValue(tempRow, 12 + column, per12, true, "number");
				setCellValue(tempRow, 13 + column, io.getString("DECLARE_SERVICE_LEVE_3"), false, "number");
				setCellValue(tempRow, 14 + column, per14, true, "number");
				setCellValue(tempRow, 15 + column, io.getString("SERVICE_SX"),false,"number");
				setCellValue(tempRow, 16 + column, io.getString("GS_SERVICE_SX"),false,"number");
				setCellValue(tempRow, 17 + column, io.getString("SUIT_ONLINE_SERVICE"),false,"number");
				setCellValue(tempRow, 18 + column, io.getString("SUIT_ONLINE_PER"),true,"number");
			}
			FileOutputStream fileOut = new FileOutputStream(xmlPath);
			
			wb.write(fileOut);
			fileOut.close();
			File f = new File(xmlPath);
			//數據寫入reponse
			this.write(Tools.getFile(f));
			this.setContentType("application/vnd.ms-excel");
			this.setHeader("Content-Disposition", "attachment; filename="+URLEncode.encodeURL("statistics.xls"));
			f.delete();
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		return false;
	}
	
	/*
	 * row 行數
	 * int 列
	 * value 值
	 * isPer 是否是百分率
	 * type 數據類型
	 */
	public void setCellValue(HSSFRow row,int column,String value,boolean isPer,String type){
		HSSFCell cell = null;
		if (StringUtils.isEmpty(value) || "0".equals(value)) {
			cell = row.createCell(column,HSSFCell.CELL_TYPE_STRING);
			cell.setCellValue("-");
			cell.setCellStyle(cellCenterStyle);
		}else{
			if (isPer) {
				cell = row.createCell(column,HSSFCell.CELL_TYPE_STRING);
				cell.setCellStyle(cellCenterStyle);
				cell.setCellValue(" "+value+"%");
			}else{
				if ("string".equals(type)) {
					cell = row.createCell(column,HSSFCell.CELL_TYPE_STRING);
					cell.setCellStyle(cellLeftStyle);
					cell.setCellValue(value);
				}else if("number".equals(type)){
					cell = row.createCell(column,HSSFCell.CELL_TYPE_NUMERIC);
					cell.setCellStyle(cellCenterStyle);
					cell.setCellValue(Integer.parseInt(value));
				}
			}
		}
	}
	
	
	public String formatSt(Float sub,int num){
		String per;
		if(sub !=0 && num !=0){
			per = String.valueOf(num/sub*100);
			int len = per.indexOf('.');
			if("0".endsWith(per.substring(len+1, len+2))){
				per = per.substring(0,len);
			}else{
				per = per.substring(0, len+2);
			}
			
		}else{
			per="0";
		}
		return per;
	}
}