//excel文件

private File xlsFile;

//excel列名

private static final String[] SALARYIMPORTVALUE_COLUMN_NAMES = { “机组名称”,“显示顺序”, “备注”};

/**

* 从excel文件导入操作任务 add by ytrao 20111202

* @throws IOException

*/

public void importWoTickTask() throws IOException{

String parentBlockId = request.getParameter("parentBlockId");

String code = remote.findMaxCode(parentBlockId);

InputStream is=null;

Workbook workbook=null;

RunCWorkticketBlock opTask = null;

String msg = "";

List opTaskList = new ArrayList();

try {

is = new FileInputStream(xlsFile);

workbook = Workbook.getWorkbook(is);// 得到工作薄

Sheet sheet = workbook.getSheet(0);// 得到工作薄中的第一个工作表

int rows = sheet.getRows();// 得到excel的总行数

if (rows == 0) {

msg = "{success:true,msg:'无数据进行导入!'}";

write(msg);

} else if (rows == 1) {

msg = "{success:true,msg:'文件除一列头行外，至少还需一行数据!'}";

write(msg);

} else {

int[] column_indexs = new int[sheet.getRow(0).length];

String columnError = null;

columnError = addColumnIndex(column_indexs, sheet.getRow(0));

// 列名是否存在问题

if (columnError != null){

write(columnError);

return;

}

outer:

for (int i = 1; i < rows; i++) {

opTask = new RunCWorkticketBlock();

Cell[] cells = sheet.getRow(i);// i行的所有单元格

if(cells.length > column_indexs.length){

i++;

msg = "第" + (i+1)+ "行的数据超过列头行！
";

break;

}

for (int j = 0; j < column_indexs.length; j++) {

column_indexs[j] = j;

//0 : 序号

// 1:机组名称

if (column_indexs[j] == 0) {

if (cells.length > j

&& !"".equals(cells[j].getContents())) {

for (RunCWorkticketBlock entity : opTaskList) {

if (cells[j].getContents().equals(entity.getBlockName())) {

msg+= "Excel中第" +(i+1) + "行机组名称重复！
";

continue outer;

}

}

String list = remote.findByPId(parentBlockId);

if(list !=null&& list !=""){

//System.out.println(list);

String arry[] = list.split(",");

//System.out.println(“555555” +arry[0]);

for(int a=arry.length-1;a>=0;a–){

if (cells[j].getContents().equals(arry[a])) {

msg+= "Excel中第" +(i+1) + "行机组名称已经存在！
";

continue outer;

}

}

}

opTask.setBlockName(cells[j].getContents());

}else{

continue outer;

}

}

// 2:显示序号

else if (column_indexs[j] == 1) {

if (cells.length > j&& !"".equals(cells[j].getContents())) {

opTask.setDisplayNo(Long.parseLong(cells[j].getContents()));

}

}

// 3：备注

else if (column_indexs[j] == 2) {

if (cells.length > j

&& !"".equals(cells[j].getContents())) {

opTask.setMemo(cells[j].getContents());

}

}

}

opTask.setParentBlockId(Long.parseLong(parentBlockId));

opTask.setLastModifyBy(employee.getWorkerCode());

opTask.setLastModifyDate(new Date());

opTask.setIsUse("Y");

opTaskList.add(opTask);

}

if(msg.equals(""))

{

for(RunCWorkticketBlock entity : opTaskList){

remote.save(entity);

}

write("{success:true,msg:'导入成功！'}");

}

else

{

write("{success:true,msg:'数据填写存在问题或机组名称重复，请确认后在导入,
"+msg+"'}");

}

}

} catch (Exception e) {

e.printStackTrace();

} finally {

workbook.close();

is.close();

}

}

/**

* 检测导入的Excel文件列名是否正确

* @param column_indexs

* @param cells

* @return String

*/

private String addColumnIndex(int[] column_indexs, Cell[] cells) {

for (int i = 0; i < cells.length; i++) {

boolean isError = true;

for (int j = 0; j < SALARYIMPORTVALUE_COLUMN_NAMES.length; j++) {

if (SALARYIMPORTVALUE_COLUMN_NAMES[j].equals(cells[i].getContents())) {

column_indexs[i] = j;

isError = false;

}

}

if (isError) {

return "{success:true,msg:'" + cells[i].getContents()

+ "列不是要导入的具体列！'}";

}

}

return null;

}

public File getXlsFile() {

return xlsFile;

}

public void setXlsFile(File xlsFile) {

this.xlsFile = xlsFile;

}

以前做传统行业开发，用到的导入模型