页面
<form id="uploadExcel" method="post" enctype="multipart/form-data">
<table>
<div id="b">
<tr>
<td><input id="budgetType" name="budgetType" value="1">
</td>
</tr>
<tr>
<td><input id="companyID" name="companyID"></td>
</tr>
<tr>
<td><input type="text" class="jeasy-combobox"
name="budgetDate" style="display: none;" id="budgetDate">
</td>
</tr>
<tr>
<td><input id="excel" name="excel" class="easyui-filebox"
style="width: 200px"
data-options="prompt:'请选择文件...' ,buttonText:'选择文件'"></td>
</td>
</tr>
</div>
</table>
</form>后台
@RequestMapping("/upload/uploadExcel")
public void uploadExcel(HttpServletRequest request,HttpServletResponse response,String budgetType,String companyID,String budgetDate) throws IllegalStateException, IOException{
String message="{\"message\":\"ok\"}";
int uid= (Integer) sessionProvider.getAttribute(request, "uid", response);
///创建一个通用的多部分解析器
CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());
// 设置编码
multipartResolver.setDefaultEncoding("utf-8");
// 判断 request 是否有文件上传
if(multipartResolver.isMultipart(request)){
// 强转换成多部分request
MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest)request;
//获取所有文件
Iterator<String> iter = multiRequest.getFileNames();
while(iter.hasNext()){
String next = (String)iter.next();
//next:file
MultipartFile file = multiRequest.getFile(next);
//file: org.springframework.web.multipart.commons.CommonsMultipartFile@2e574e38
if(file != null){
try {
List<Sheet> sheets = ExcelUtil.readExcel(file); //这里得到的是一个集合，里面的每一个元素是Sheet
if(sheets.size()>0){
//打印每一个单元格
excelModelService.printCell(sheets);
}else{
//excel没有数据
}
} catch (Exception e) {
logger.error("excel中数据格式有问题");
message="{\"message\":\"error\"}";
}
}
}
}
ResponseUtils.renderJson(response, message);
}工具类ExcelUtil
public class ExcelUtil {
private static Logger logger = Logger.getLogger(ExcelUtil.class);
private final static String xls = "xls";
private final static String xlsx = "xlsx";
/**
* 读入excel文件，解析后返回List(ExcelModel)
* @param file
* @throws IOException
*/
public static List<Sheet> readExcel(MultipartFile file) throws IOException{
//检查文件
checkFile(file);
//获得Workbook工作薄对象
Workbook workbook = getWorkBook(file);
List<Sheet> list=new ArrayList<Sheet>();
Sheet sheet=null;
if(workbook != null){
//循环sheet
for(int sheetNum = 0;sheetNum < workbook.getNumberOfSheets();sheetNum++){
//获得当前sheet工作表
sheet = workbook.getSheetAt(sheetNum);
if(StringUtil.isNotEmpty(sheet)){
list.add(sheet);
}else {
continue;
}
}
}
return list;
}
public static void checkFile(MultipartFile file) throws IOException{
//判断文件是否存在
if(null == file){
logger.error("文件不存在！");
throw new FileNotFoundException("文件不存在！");
}
//获得文件名
String fileName = file.getOriginalFilename();
//判断文件是否是excel文件
if(!fileName.endsWith(xls) && !fileName.endsWith(xlsx)){
logger.error(fileName + "不是excel文件");
throw new IOException(fileName + "不是excel文件");
}
}
public static Workbook getWorkBook(MultipartFile file) {
//获得文件名
String fileName = file.getOriginalFilename();
//创建Workbook工作薄对象，表示整个excel
Workbook workbook = null;
try {
//获取excel文件的io流
InputStream is = file.getInputStream();
//根据文件后缀名不同(xls和xlsx)获得不同的Workbook实现类对象
if(fileName.endsWith(xls)){
//2003
workbook = new HSSFWorkbook(is);
}else if(fileName.endsWith(xlsx)){
//2007 及2007以上
workbook = WorkbookFactory.create(is);
}
} catch (Exception e) {
e.printStackTrace();
logger.info(e.getMessage());
}
return workbook;
}
public static String getCellValue(Cell cell){
String cellValue = "";
if(cell == null){
return cellValue;
}
//把数字当成String来读，避免出现1读成1.0的情况
if(cell.getCellType() == Cell.CELL_TYPE_NUMERIC){
cell.setCellType(Cell.CELL_TYPE_STRING);
}
//判断数据的类型
switch (cell.getCellType()){
case Cell.CELL_TYPE_NUMERIC: //数字
cellValue = String.valueOf(cell.getNumericCellValue());
break;
case Cell.CELL_TYPE_STRING: //字符串
cellValue = String.valueOf(cell.getStringCellValue());
break;
case Cell.CELL_TYPE_BOOLEAN: //Boolean
cellValue = String.valueOf(cell.getBooleanCellValue());
break;
case Cell.CELL_TYPE_FORMULA: //公式
// cellValue = String.valueOf(cell.getCellFormula());
cellValue = String.valueOf(cell.getNumericCellValue());
break;
case Cell.CELL_TYPE_BLANK: //空值
cellValue = "";
break;
case Cell.CELL_TYPE_ERROR: //故障
cellValue = "非法字符";
break;
default:
cellValue = "未知类型";
break;
}
return cellValue;
}
}excelModelService.printCell
public void printCell(List<Sheet> sheets) {
int num=sheets.size();
if(num>0){
for(int i = 0;i < num;i++){
//获得当前sheet工作表
Sheet sheet = sheets.get(i);
if(StringUtil.isEmpty(sheet)){
continue;
}
//获得当前sheet的开始行的行数
int firstRowNum = sheet.getFirstRowNum();
//获得当前sheet的结束行的行数
int lastRowNum = sheet.getLastRowNum();
//获取第二行的标题行
Row rowN = sheet.getRow(firstRowNum+1);
//获取开始列的列号
int firstCellNum = rowN.getFirstCellNum();
//获取结束列的列号
int lastCellNum = rowN.getPhysicalNumberOfCells();
//获取sheetName
String fullDepartmentName = sheet.getSheetName();
//第三行开始
for(int rowNum = firstRowNum+2;rowNum <lastRowNum;rowNum++){
//获得当前行
Row row = sheet.getRow(rowNum);
if(row == null){
continue;
}
//获取当前行的每一单元格
for(int cellNum = firstCellNum; cellNum < lastCellNum;cellNum++){
//获取当前行的每一单元格
Cell cell = row.getCell(cellNum);
String cellValue= ExcelUtil.getCellValue(cell);
System.out.println(cellValue);
}
}
}
}
}pom
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.9</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.9</version>
</dependency>