aspx:
<script src="/Content/Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script src="/Content/Scripts/swfobject.js" type="text/javascript"></script>
<script src="/Content/Scripts/jquery.uploadify.v2.1.0.min.js" type="text/javascript"></script>
<link href="/Content/Styles/uploadify.css" rel="stylesheet" type="text/css" />
<div style="float:left; width:280px">
<input type="file" name="uploadify" );
}
}
});
function startUpload() {
$('#uploadify').uploadifyUpload();
}
function cancelUpload() {
$('#uploadify').uploadifyClearQueue();
}
cs:(上传文件并将Excel中的内容导入到数据库中)
public JsonResult DoImport(string uploadtype, string q_t)
{
iPAL.Applications.Authen.LoginUser user = (iPAL.Applications.Authen.LoginUser)(Session["LoginUser"]);
m_userno = user.WorkNo;
AjaxCallResult result = new AjaxCallResult();
HttpContext.Response.ContentType = "text/plain";
HttpContext.Response.Charset = "utf-8";
string msg = string.Empty;
string strUploadPath = HttpContext.Request.PhysicalApplicationPath + "iPALUploads\\";
try
{
if (!Directory.Exists(strUploadPath))
{
Directory.CreateDirectory(strUploadPath);
}
if ( HttpContext.Request.Files.Count != 1 )
{
result.result = -1;
result.data = "上传文件只能为1.";
return Json(result);
}
HttpPostedFileBase postedFile = HttpContext.Request.Files[0];
string fileName = postedFile.FileName;
string ext = fileName.Substring(fileName.LastIndexOf('.'));
string tempFile = fileName.Substring(0,fileName.Length - ext.Length -1 ) + Guid.NewGuid().ToString("N");
tempFile = Path.Combine(strUploadPath, tempFile) + ext;
postedFile.SaveAs(tempFile);
result.result = ImportSheet(tempFile, q_t, m_userno, ref msg);
result.data = msg;
}
catch (Exception ex)
{
result.result = -1;
result.data = ex.Message;
}
return Json(result);
}
private int ImportSheet(string filePath,string bigT,string userno,ref string msg)
{
ExcelReader excel = new ExcelReader();
DataTable dt = new DataTable();
int nRet = 0;
List<BIGT_SHEET_MODEL> lstSheet = btModuel.GetSheetModel();//sheet
List<BIGT_SHEET_MODEL> lstColModel = btModuel.GetColModel();//列模型
List<BigTColModel> lstCol = new List<BigTColModel>();
BIGT_SHEET_MODEL col;
BIGT_SHEET_MODEL sheet;
int nFailSheet = 0;
for( int i=0; i < lstSheet.Count;i++)
{
sheet = lstSheet[i];
if (excel.ReadFromExcel(filePath, sheet.sheet_name, dt) < 0)
{
nFailSheet++;
if (nFailSheet == lstSheet.Count)
{
msg = "没有发现任何可识别Sheet名";
return -1;
}
continue;
}
//获取列模型
lstCol.Clear();
for (int k = 0; k < lstColModel.Count; k++)
{
col = lstColModel[k];
if (string.IsNullOrEmpty(col.col_index))//只取与数据库对应的列
{
continue;
}
if (string.IsNullOrEmpty(col.col_model) || sheet.col_model == col.col_model)
{
BigTColModel colModel = new BigTColModel();
colModel.sheet_name = col.sheet_name;
colModel.col_index = col.col_index;
lstCol.Add(colModel);
}
else
{
continue;
}
}
nRet = ImportSheetData(userno, sheet.sheet_name, bigT, dt, lstCol, ref msg);
if (nRet < 0)
{
return -1;
}
}
return 1;
}
private int ImportSheetData(string userno, string sheet, string bigT, DataTable dt, List<BigTColModel> lstColModel, ref string msg)
{
BigTColModel COL;
/********** 查找列表头对应的列序号 *******/
DataRow drTitle2 = dt.Rows[0];//二级表头
string colName, colName2;
bool bColOver = false;
for (int i = 1; i < dt.Columns.Count; i++)//第0列为序号
{
if (bColOver)
{
break;//最后一列
}
colName = CommonMethod.toString(dt.Columns[i]);
colName2 = CommonMethod.toString( drTitle2[i] );
if (colName == string.Empty && colName2 == string.Empty)
{
continue;
}
for (int k = 0; k < lstColModel.Count; k++)
{
COL = lstColModel[k];
if (colName != COL.sheet_name && colName2 != COL.sheet_name)
{
continue;
}
lstColModel[k].col_pos = i;//记录对应的列索引
if (k == lstColModel.Count - 1)
{
bColOver = true;//最后一列,因为lstColModel是按列大小排序的
}
}
}
/********** 导入数据 *******/
DataRow dr;
int indexNum=0;
for (int i = 1; i < dt.Rows.Count; i++)//从第一列开始
{
dr = dt.Rows[i];
if (CommonMethod.toInt(dr[0], ref indexNum) <= 0)
{
break;//序号为空，空行，跳出
}
//采集一行的数据
for (int k = 0; k < lstColModel.Count; k++)
{
COL = lstColModel[k];
if (string.IsNullOrEmpty(COL.col_index) || COL.col_pos <= 0) //没有对应数据库表对应列，没有对应Excel对应列
{
continue;//
}
lstColModel[k].col_data = CommonMethod.toString(dr[COL.col_pos]); //赋值
}
if (btModuel.InsertRowData(userno, sheet, bigT, lstColModel) < 0)
{
msg = btModuel.m_sMsg;
return -1;
}
}
return 1;
}
public int ReadFromExcel(string fileName, string sheetName, System.Data.DataTable dataTable)
{
OleDbConnection connection = new System.Data.OleDb.OleDbConnection();
try
{
string connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileName + ";Extended Properties=\"Excel 12.0;HDR=YES\"";
string sql = "SELECT * FROM [" + sheetName + "$]";
connection = new OleDbConnection(connectionString);
connection.Open();
OleDbCommand command = new OleDbCommand(sql, connection);
OleDbDataAdapter dataAdapter = new OleDbDataAdapter(command);
DataSet excelOriginalData = new DataSet();
dataTable.Columns.Clear();
dataTable.Clear();
dataAdapter.Fill(dataTable);
}
catch (Exception e)
{
m_sMsg = e.Message;
return -1;
}
finally
{
if (connection.State != System.Data.ConnectionState.Closed)
{
connection.Close();
}
connection.Dispose();
}
return 1;
}