月统计模板

git-svn-id: https://192.168.57.71/svn/jsgkj@1483 931142cf-59ea-a443-aa0e-51397b428577

gkjsjy/trunk/src/com/xtframe/util/ExcelTool.java

@@ -0,0 +1,261 @@
+package com.xtframe.util;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.apache.poi.hssf.usermodel.HSSFCell;
+import org.apache.poi.hssf.usermodel.HSSFRow;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+
+import com.xt.jygl.gkjygl.cghzyxxgl.dcsb.ctl.DcsbybbCtl;
+import com.xt.jygl.gkyxtjyfx.hxhbtj.vo.HxhbtjVo;
+import sun.misc.Unsafe;
+
+public class ExcelTool {
+	public static int START_ROW = 1;//被复制的开始行
+	/**
+	 * 将传入数据映射到MAP中
+	 * 
+	 * @param classType
+	 *            传入数据类型
+	 * @param dataObj
+	 *            传入数据
+	 * @return 布尔值 是否复制成功
+	 * @throws IOException
+	 */
+	public static Map reflectForgetData(Object dataObj)
+			throws IOException {
+		// 输出结果
+		Map<String, Object> map = new HashMap();
+		try{
+			if (dataObj == null) return map;
+			// 取得实例
+			Class<?> realDataObj = dataObj.getClass();
+			// 将所有OBJ内的数据放入map
+			//创建此类型的空对象  
+			Field fu = Unsafe.class.getDeclaredField("theUnsafe");  
+			fu.setAccessible(true);  
+			Unsafe us = (Unsafe) fu.get(null);  
+			Object newObj = us.allocateInstance(realDataObj);  
+			//获取所有成员(包括private)的值,并拷贝到新对象中  
+			Field[] fields = realDataObj.getDeclaredFields();  
+			for (Field f : fields) {  
+				//不拷贝static成员和final成员  
+				if (Modifier.isStatic(f.getModifiers()) || Modifier.isFinal(f.getModifiers())) {  
+					continue;  
+				}  
+				f.setAccessible(true);  
+				Object fieldValue = f.get(dataObj);  
+				f.set(newObj, fieldValue);
+				map.put(f.getName(), fieldValue);
+			}
+		}catch(Exception e){
+			e.printStackTrace();
+		}
+		
+		return map;
+	}
+	
+	/**
+	 * 导出EXCEL
+	 * @param request
+	 * @param response
+	 * @param list 待导出的数据
+	 * @param type 导出的类型 1、全省港口集装箱航线航班月度统计    2、xx    3、xx
+	 * @throws Exception
+	 */
+	public static void exportExcel(HttpServletRequest request, HttpServletResponse response,
+			List list,int type,String exportFileName)
+			throws Exception {
+		
+		// 选择模板文件：
+		String templetFile =  "hxhbtj.xls";
+		String fileName = "全省港口集装箱航线航班月度统计(2016-12).xls";
+		if(StringUtils.isNotEmpty(exportFileName)){
+			fileName = exportFileName + ".xls";
+		}
+		if (type==2) {
+//			templetFile="gbjlhzb.xls";
+//			fileName = "过磅记录汇总表.xls";
+		}else if (type==3) {
+//			templetFile="cgbjjlb.xls";
+//			fileName = "储罐报警记录表.xls";
+		}else if (type==4){
+//			templetFile="smsdetail.xls";
+//			fileName = "信息发送详情.xls";
+		}
+
+		fileName = URLEncoder.encode(fileName, "UTF-8");
+		response.setContentType("application/msexcel; charset=utf-8");
+		response.setHeader("Content-disposition", "attachment; filename=" + fileName);// 设定输出文件头
+
+        InputStream is = null;// 输入流对象  
+		try {  
+			   
+			    // 文件路径
+			    //String realpath = File.separator + "template" + File.separator  + templetFile;
+	            //is = request.getSession().getServletContext().getResourceAsStream(realpath);// 获取文件输入流  
+			    is=new BufferedInputStream(ExcelTool.class.getResourceAsStream("/templete/" + templetFile));
+	            HSSFWorkbook workbook2003 = new HSSFWorkbook(is);// 创建Excel2007文件对象  
+	            HSSFSheet sheet = workbook2003.getSheetAt(0);// 取出第一个工作表，索引是0 
+	            
+	            //list数据
+	            if (type==1) {
+	            	setListInfo(sheet, HxhbtjVo.class, list);
+				}else if (type==2) {
+					//setListInfo(sheet, GbhzVo.class, list);
+				}else if (type==3){
+					//setListInfo(sheet, SbbjjlVo.class, list);
+				}else if (type==4){
+					//setListInfo(sheet, SendHistory.class, list);
+				}
+				OutputStream bos = response.getOutputStream();
+				workbook2003.write(bos);
+
+	            response.flushBuffer();
+                bos.flush();
+                bos.close();
+
+	        } catch (Exception e) {  
+	            e.printStackTrace();  
+	        } finally {
+	        	// 关闭文件流  
+	            if (is != null) {  
+	                try {  
+	                    is.close();  
+	               } catch (IOException e) {  
+	                    e.printStackTrace();  
+	               }  
+	            } 
+	        }  
+	}
+	public static void setListInfo(HSSFSheet sheet, Class classType, List dataList) {
+		int END_ROW = START_ROW + dataList.size();
+        List mapList;
+		try {
+			mapList = reflectForgetData(classType, dataList);
+		} catch (IOException e) {
+			mapList = new ArrayList();
+			e.printStackTrace();
+		}
+        if (mapList == null || mapList.size() == 0) {
+        	HSSFRow modRow = sheet.getRow(START_ROW + 1);
+        	sheet.removeRow(modRow);
+        }
+          // 获取模板行对象  
+    	  HSSFRow modRow = sheet.getRow(START_ROW + 1);
+          for(int j = 1; j < mapList.size(); j++) {
+            	// 为各数据对象单位添加行
+//        	    sheet.shiftRows(startRow + j + 1, sheet.getLastRowNum(), 1, true, false); 
+        	  sheet.shiftRows(START_ROW + j + 1, END_ROW, 1, true, false); 
+        		HSSFRow newXSSFRow = sheet.createRow(START_ROW + j + 1);
+        		// 把模板里各行的内容复制到新生成的行里
+        		for (int k = 0; k < modRow.getLastCellNum(); k++ ) {  
+        			HSSFCell modcell = modRow.getCell(k);
+        			HSSFCell newcell = newXSSFRow.createCell(k);
+        			if(null == modcell) {
+        				continue;
+        			}
+        			// 把模板里的cell相关属性设入新增cell
+        			newcell.setCellStyle(modcell.getCellStyle());
+        			newcell.setCellType(modcell.getCellType()); 
+        			if (null != modcell.getStringCellValue() && !"".equals(modcell.getStringCellValue().trim()))  {
+        				newcell.setCellValue(StringUtils.nvl(modcell.getStringCellValue())); 
+        			}
+                }
+        }
+
+        int cellIndex = START_ROW + 1;
+        Map<String, Object> map = null;
+        for(int mc = 0; mc < mapList.size(); mc++) {
+        	map = (HashMap)mapList.get(mc);
+
+        	// 输出行数
+        	int outputRowCnt = 0;
+        	// 开始循环遍历行，表头不处理，从数据对象单位开始行开始处理  
+            //for (int i = cellIndex; i <= sheet.getLastRowNum(); i++) {  
+                
+                HSSFRow row = sheet.getRow(cellIndex);// 获取行对象  
+                if (row == null) {// 如果为空，不处理  
+                    continue;  
+                }  
+                // 循环遍历单元格  
+                for (int j = 0; j < row.getLastCellNum(); j++) {  
+                   HSSFCell cell = row.getCell(j);// 获取单元格对象  
+                    if (cell == null) {// 单元格为空设置cellStr为空串  
+                        continue;
+                    } 
+					if (map.containsKey(cell.getStringCellValue())) {
+						if (map.get(cell.getStringCellValue()) != null) {
+						    cell.setCellValue(String.valueOf(map.get(cell.getStringCellValue())));
+						} else {
+							cell.setCellValue("");
+						}
+					}
+                }
+                cellIndex++;
+                outputRowCnt++;
+        }
+
+	}
+	/**
+	 * 将传入数据映射到MAP中
+	 * 
+	 * @param classType
+	 *            传入数据类型
+	 * @param dataObj
+	 *            传入数据
+	 * @return 布尔值 是否复制成功
+	 * @throws IOException
+	 */
+	public static List reflectForgetData(Class<?> classType, List<Object> dataObjs)
+			throws IOException {
+		// 输出结果
+		List resultList = new ArrayList();
+		
+		try{
+			// 将所有OBJ内的数据放入map
+			//创建此类型的空对象  
+			Field fu = Unsafe.class.getDeclaredField("theUnsafe");  
+			fu.setAccessible(true);  
+			Unsafe us = (Unsafe) fu.get(null);  
+			Object newObj = us.allocateInstance(classType);
+			
+			//获取所有成员(包括private)的值,并拷贝到新对象中  
+			Field[] fields = classType.getDeclaredFields();  
+			for(int i = 0;i < dataObjs.size();i++)
+			{
+				// 取得单个元素
+				Object dataObj = dataObjs.get(i);
+				// 单个对象
+				Map<String, Object> map = new HashMap();
+				for (Field f : fields) {
+					//不拷贝static成员和final成员  
+					if (Modifier.isStatic(f.getModifiers()) || Modifier.isFinal(f.getModifiers())) {  
+						continue;  
+					}
+					f.setAccessible(true);  
+					//Object fieldValue = f.get(dataObj);  
+					//f.set(newObj, fieldValue);
+					map.put(f.getName(), f.get(dataObj));
+				}
+				resultList.add(map);
+			}
+		}catch(Exception e){
+			e.printStackTrace();
+		}
+		return resultList;
+	}
+}