作者:卢太爽 | 来源:互联网 | 2023-10-10 18:47
(一)前台上传文件的界面,我分“协议”,“现场图片”,“附件”三部分;分别用m_span.nameFile1File2File3;后台程序怎么区分判断这几部分<sc
(一)前台上传文件的界面,我分“协议”,“现场图片”,“附件”三部分;分别用m_span.name =File1 File2 File3;后台程序
怎么区分判断这几部分
>
协议
>
现场图片
>
附件(方案等)
(二)后台上传文件的处理
//遍历File表单元素
System.Web.HttpFileCollection files = System.Web.HttpContext.Current.Request.Files;
int fileCount;
int filecount = files.Count;
try
{
MyConnection.Open();
for (fileCount = 0; fileCount < files.Count; fileCount++)
{
//定义访问客户端上传文件的对象
System.Web.HttpPostedFile postedFile = files[fileCount];
string trueName = "", fileExtension = "", file_Name = "";
trueName = System.IO.Path.GetFileName(postedFile.FileName);
if (trueName != String.Empty)
{
//取得文件的扩展名
fileExtension = System.IO.Path.GetExtension(trueName);
file_Name = bh + "-" + DateTime.Now.ToString("yyyyMMddhhmmss") + fileExtension;
//file_Name="letter-"+bh.ToString()+"-"+fileCount+"-"+DateTime.Now.ToString("yyyyMMddhhmmss")+fileExtension;
//SqlCommand cmdUpdate_add = new SqlCommand("insert into use_files(id,type,true_name,file_name) values('" + bh.ToString().Trim() + "','news_deal','" + trueName.ToString() + "','" + file_Name.ToString() + "') ", MyConnection);
//cmdUpdate_add.ExecuteNonQuery();
//保存上传文件到指定的目录
postedFile.SaveAs(Server.MapPath("./land_lend_up/Agreement") + file_Name);
}
}
}
catch (System.Exception error)
{
//MessageBox(Page, "操作失败!错误:" + error.ToString());
}
finally
{
MyConnection.Close();
}
如何多部分(span)多文件上传文件,如何区分上传文件属于哪部分?
如何用System.Web.HttpFileCollection取得控件的ID值?
2 个解决方案
for (fileCount = 1; fileCount <= files.Count; fileCount++)
{
string name1 = "File1" + fileCount.ToString();
System.Web.HttpPostedFile xx = this.Request.Files[name1];
if (xx != null)
{
string trueName = "", fileExtension = "", file_Name = "";
//取得上传得文件名
trueName = System.IO.Path.GetFileName(xx.FileName);
if (trueName != String.Empty)
{
max1 = max1 + 1;
//取得文件的扩展名
fileExtension = System.IO.Path.GetExtension(trueName);
file_Name = bh + "-" + max1.ToString()+ fileExtension;
//file_Name="letter-"+bh.ToString()+"-"+fileCount+"-"+DateTime.Now.ToString("yyyyMMddhhmmss")+fileExtension;
SqlCommand cmdUpdate_add = new SqlCommand("insert into up_land_lend values('" + bh + "','协议','" + trueName + "','" + file_Name + "','" + max1.ToString() + "') ", MyConnection);
cmdUpdate_add.ExecuteNonQuery();
//保存上传文件到指定的目录
xx.SaveAs(Server.MapPath("./land_lend_up/Agreement/") + file_Name);
}
}
string name2 = "File2" + fileCount.ToString();
System.Web.HttpPostedFile yy = this.Request.Files[name2];
if (yy != null)
{
max2 = max2 + 1;
string trueName = "", fileExtension = "", file_Name = "";
//取得上传得文件名
trueName = System.IO.Path.GetFileName(yy.FileName);
if (trueName != String.Empty)
{
//取得文件的扩展名
fileExtension = System.IO.Path.GetExtension(trueName);
file_Name = bh + "-" + max2.ToString() + fileExtension;
//file_Name="letter-"+bh.ToString()+"-"+fileCount+"-"+DateTime.Now.ToString("yyyyMMddhhmmss")+fileExtension;
SqlCommand cmdUpdate_add = new SqlCommand("insert into up_land_lend values('" + bh + "','照片','" + trueName + "','" + file_Name + "','" + max2.ToString() + "') ", MyConnection);
cmdUpdate_add.ExecuteNonQuery();
//保存上传文件到指定的目录
yy.SaveAs(Server.MapPath("./land_lend_up/photo/") + file_Name);
}
}
string name3 = "File3" + fileCount.ToString();
System.Web.HttpPostedFile zz = this.Request.Files[name3];
if (zz!= null)
{
max3 = max3 + 1;
string trueName = "", fileExtension = "", file_Name = "";
//取得上传得文件名
trueName = System.IO.Path.GetFileName(zz.FileName);
if (trueName != String.Empty)
{
//取得文件的扩展名
fileExtension = System.IO.Path.GetExtension(trueName);
file_Name = bh + "-" + max3.ToString() + fileExtension;
//file_Name="letter-"+bh.ToString()+"-"+fileCount+"-"+DateTime.Now.ToString("yyyyMMddhhmmss")+fileExtension;
SqlCommand cmdUpdate_add = new SqlCommand("insert into up_land_lend values('" + bh + "','附件','" + trueName + "','" + file_Name + "','" + max3.ToString() + "') ", MyConnection);
cmdUpdate_add.ExecuteNonQuery();
//保存上传文件到指定的目录
zz.SaveAs(Server.MapPath("./land_lend_up/Attachment/") + file_Name);
}
}
}
//取最大量循环比较,就是浪费点时间