一、读EXCEL文件
1 package com.ruijie.wis.cloud.utils; 2 3 import java.io.FileInputStream; 4 import java.io.FileNotFoundException; 5 import java.io.IOException; 6 import java.io.InputStream; 7 import java.text.DecimalFormat; 8 import java.util.ArrayList; 9 import java.util.HashMap; 10 import java.util.Iterator; 11 import java.util.List; 12 import java.util.Map; 13 14 import org.apache.poi.hssf.usermodel.HSSFCell; 15 import org.apache.poi.ss.usermodel.Cell; 16 import org.apache.poi.ss.usermodel.CellValue; 17 import org.apache.poi.ss.usermodel.FormulaEvaluator; 18 import org.apache.poi.ss.usermodel.Row; 19 import org.apache.poi.xssf.usermodel.XSSFCell; 20 import org.apache.poi.xssf.usermodel.XSSFCellStyle; 21 import org.apache.poi.xssf.usermodel.XSSFFont; 22 import org.apache.poi.xssf.usermodel.XSSFRow; 23 import org.apache.poi.xssf.usermodel.XSSFSheet; 24 import org.apache.poi.xssf.usermodel.XSSFWorkbook; 25 import org.slf4j.Logger; 26 import org.slf4j.LoggerFactory; 27 28 public class ProjectImportUtil { 29 public ProjectImportUtil() { 30 String fileName = "D:\tst.xlsx"; 31 InputStream input = new FileInputStream(fileName); 32 } 33 34 /* 导入销售数据 ,excel2007格式 */ 35 public List<Map<String,Object>> importSaleXml(InputStream input, String industry) { 36 List<Map<String,Object>> result = new ArrayList<Map<String,Object>>(); 37 DecimalFormat df =new DecimalFormat("#0"); 38 39 try { 40 XSSFWorkbook wb = new XSSFWorkbook(input); // Excel 2003 使用wb = new HSSFWorkbook(input);
41 FormulaEvaluator evaluator = wb.getCreationHelper().createFormulaEvaluator();
42 int index_name = 0; 43 int index_province = 0; 44 int index_city = 0; 45 int index_acs = 0; 46 int index_aps = 0; 47 int index_zuozhi = 0; 48 String industry_name = industry; 49 XSSFSheet sheet = wb.getSheet(industry_name); 50 if(sheet == null) { 51 logger.warn("importSaleXml - industy: " + industry_name + " not exist!"); 52 wb.close(); 53 return null; 54 } 55 Iterator<Row> rows = sheet.rowIterator(); 56 57 while (rows.hasNext()) { 58 Row row = rows.next(); 59 if(row.getRowNum() == 0) { // 查找关心的数据所在列号 60 Iterator<Cell> cells = row.cellIterator(); 61 while (cells.hasNext()) { 62 Cell cell = cells.next(); 63 String title = getCellValue(cell,evaluator); 64 if(title.equals("最终客户名称")) { 65 index_name = cell.getColumnIndex(); 66 } else if(title.equals("省份")) { 67 index_province = cell.getColumnIndex(); 68 } else if(title.equals("城市")) { 69 index_city = cell.getColumnIndex(); 70 } else if(title.equals("AC系列")) { 71 index_acs = cell.getColumnIndex(); 72 } else if(title.equals("AP系列")) { 73 index_aps = cell.getColumnIndex(); 74 } else if(title.equals("卓智客户名称")) { 75 index_zuozhi = cell.getColumnIndex(); 76 } 77 } 78 } 79 80 Cell cell_name = row.getCell(index_name); 81 Cell cell_province = row.getCell(index_province); 82 Cell cell_city = row.getCell(index_city); 83 Cell cell_acs = row.getCell(index_acs); 84 Cell cell_aps = row.getCell(index_aps); 85 String projectName = getCellValue(cell_name,evaluator); 86 String province = getCellValue(cell_province,evaluator); 87 String city = getCellValue(cell_city,evaluator); 88 String acs = getCellValue(cell_acs,evaluator); 89 String aps = getCellValue(cell_aps,evaluator); 90 91 Map<String,Object> salevalue = new HashMap<String, Object>(); 92 salevalue.put("projectName", projectName); 93 salevalue.put("industry_name", industry_name); 94 if(province != null) { 95 salevalue.put("province", province); 96 } 97 if(city != null) { 98 salevalue.put("city", city); 99 } 100 if(acs != null) { 101 salevalue.put("acs", acs); 102 } 103 if(aps != null) { 104 salevalue.put("aps", aps); 105 106 } 107 108 result.add(salevalue); 109 } 110 wb.close(); 111 } catch (Exception e) { 112 logger.error(e.toString(),e); 113 } 114 return result; 115 } 116 117 //根据cell中的类型来返回数据 118 public String getCellValue(Cell cell, FormulaEvaluator evaluator) { 119 if(cell == null) { 120 return null; 121 } 122 CellValue cellValue = evaluator.evaluate(cell); 123 if(cellValue == null) { 124 return null; 125 } 126 switch (cellValue.getCellType()) { 127 case HSSFCell.CELL_TYPE_NUMERIC: 128 return cell.getNumericCellValue() + ""; 129 case HSSFCell.CELL_TYPE_STRING: 130 return cell.getStringCellValue() + ""; 131 case HSSFCell.CELL_TYPE_BOOLEAN: 132 return cell.getBooleanCellValue() + ""; 133 case HSSFCell.CELL_TYPE_FORMULA: 134 return cell.getCellFormula(); 135 default: 136 return null; 137 } 138 } 139 140 }
二、写EXCEL文件
1 XSSFWorkbook wb=new XSSFWorkbook(); 2 DeviceAlarmUtil outputResult = new DeviceAlarmUtil(); 3 wb = outputResult.outConfigExceptionResult(wb, "配置告警信息", configAlarmList); 4 response.setContentType("application/msexcel"); 5 response.setHeader( "Content-Disposition", "attachment;filename=" + new String(fileName.getBytes("utf-8"), "ISO8859-1" ) ); 6 7 ServletOutputStream os = null; 8 try { 9 os = response.getOutputStream(); 10 //写到输出流 11 wb.write(os); 12 } catch (FileNotFoundException e) { 13 e.printStackTrace(); 14 } catch (IOException e) { 15 e.printStackTrace(); 16 } catch (Throwable e) { 17 e.printStackTrace(); 18 } finally { 19 if (wb != null) { 20 try { 21 wb.close(); 22 } catch (IOException e) { 23 throw new Exception("IO错误，无法导出结果"); 24 } 25 } 26 if (os != null) { 27 try { 28 os.flush(); 29 os.close(); 30 } catch (IOException e) { 31 throw new Exception("IO错误，无法导出结果"); 32 } 33 } 34 } 35 36 37 public XSSFWorkbook outConfigExceptionResult(XSSFWorkbook wb, String sheetName, List<Map<String, Object>> sheetResult){ 38 XSSFSheet sheet=wb.createSheet(sheetName); 39 XSSFRow row=sheet.createRow(0); 40 CellStyle cellStyle =wb.createCellStyle(); 41 // 设置这些样式 42 cellStyle.setAlignment(XSSFCellStyle.ALIGN_CENTER); 43 cellStyle.setFillForegroundColor(HSSFColor.LIGHT_ORANGE.index); 44 cellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); 45 cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); 46 cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); 47 cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN); 48 cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN); 49 XSSFFont font = wb.createFont(); 50 font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); 51 cellStyle.setFont(font); 52 53 XSSFCell cell = row.createCell((short) 0); 54 cell.setCellValue("客户名称"); 55 cell.setCellStyle(cellStyle); 56 sheet.setColumnWidth(0, 5500); 57 cell = row.createCell((short) 1); 58 cell.setCellValue("AC MAC"); 59 cell.setCellStyle(cellStyle); 60 sheet.setColumnWidth(1, 5000); 61 cell = row.createCell((short) 2); 62 cell.setCellValue("检查项"); 63 cell.setCellStyle(cellStyle); 64 sheet.setColumnWidth(2, 5000); 65 cell = row.createCell((short) 3); 66 cell.setCellValue("检查次数"); 67 cell.setCellStyle(cellStyle); 68 sheet.setColumnWidth(3, 5000); 69 cell = row.createCell((short) 4); 70 cell.setCellValue("检查时间"); 71 cell.setCellStyle(cellStyle); 72 sheet.setColumnWidth(4, 5000); 73 cell = row.createCell((short) 5); 74 cell.setCellValue("记录更新时间"); 75 cell.setCellStyle(cellStyle); 76 sheet.setColumnWidth(5, 5000); 77 cell = row.createCell((short) 6); 78 cell.setCellValue("当前状态"); 79 cell.setCellStyle(cellStyle); 80 sheet.setColumnWidth(6, 4000); 81 cell = row.createCell((short) 7); 82 cell.setCellValue("异常等级"); 83 cell.setCellStyle(cellStyle); 84 sheet.setColumnWidth(7, 4000); 85 cell = row.createCell((short) 8); 86 87 wb.setSheetName(0, sheetName); 88 if(sheetResult.size() == 0){ 89 XSSFRow rows=sheet.createRow(1); 90 rows.setHeight((short) 500); 91 rows.createCell(0).setCellValue("没有查询结果！"); 92 return wb; 93 } 94 95 for(int info = 0; info < sheetResult.size(); info ++){ 96 XSSFRow rows=sheet.createRow(info+1); 97 rows.setHeight((short) 500); 98 Map<String,Object> map = sheetResult.get(info); 99 100 rows.createCell(0).setCellValue(map.get("name") + ""); 101 rows.createCell(1).setCellValue(map.get("ac_mac") + ""); 102 rows.createCell(2).setCellValue(map.get("item_code") + ""); 103 rows.createCell(3).setCellValue(map.get("check_times") + ""); 104 rows.createCell(4).setCellValue(map.get("check_time") + ""); 105 rows.createCell(5).setCellValue(map.get("update_time") + ""); 106 rows.createCell(6).setCellValue(map.get("status") + ""); 107 rows.createCell(7).setCellValue(map.get("exception_level") + ""); 108 //多插一行，避免单元格溢出 109 rows.createCell(8).setCellValue(" "); 110 } 111 112 return wb; 113 }