WebService 上傳圖片
阿新 • • 發佈:2018-12-09
//pathand 為儲存路徑
//filename 為儲存資料夾名`這裡寫程式碼片`
[WebMethod(Description = "上傳圖片")]
public bool UpdateFile(byte[] content, string pathand, string filename)
{
string pathandname = pathand + filename;
int index = pathandname.LastIndexOf(".");
if (index == 0 )
{
return false;
}
else
{
string extended = string.Empty;
if (index + 1 == pathandname.Length)
{
return false;
}
else
{
extended = pathandname.Substring(index + 1 );
if (extended == "jpeg" || extended == "gif" || extended == "jpg" ||
extended == "bmp" || extended == "png")
{
try
{
if (!Directory.Exists(@pathand))//若資料夾不存在則新建資料夾
{
Directory.CreateDirectory(@pathand); //新建資料夾
}
//File.WriteAllBytes(Server.MapPath(pathandname), content);
File.WriteAllBytes(pathandname, content);
return true;
}
catch (Exception ex)
{
return false;
}
}
else
{
return false;
}
}
}
}
呼叫端程式碼
“` Boolean fileOK = false; string path = Server.MapPath(“~/resources/images/address”); if (!System.IO.Directory.Exists(path)) { System.IO.Directory.CreateDirectory(path);//不存在目錄則建立目錄 } string newFileName = FileUpload_pic.FileName; if (this.FileUpload_pic.HasFile) { string fileExtension = System.IO.Path.GetExtension(FileUpload_pic.FileName).ToLower();
if (fileExtension.Equals(".jpg") || fileExtension.Equals(".png") || fileExtension.Equals("gif"))
{
fileOK = true;
}
}
WebReference.CoreServiceV2 web = new WebReference.CoreServiceV2();
if (!fileOK)
{
JavaScript.Alert("請檢查檔案格式,只能上傳圖片(*.jpg、*.png或*.gif格式)!");
return;
}
try
{
if (Directory.Exists(Server.MapPath("~/resources/images/address")) == false)//如果不存在就建立file資料夾
{
Directory.CreateDirectory(Server.MapPath("~/resources/images/address"));
}
// FileUpload_pic.PostedFile.SaveAs(path + newFileName);
var str = Server.MapPath("~/resources/images/address/");
//將源地址的圖片copy到目標地址
FileStream fs = new FileStream(FileUpload_pic.PostedFile.FileName, FileMode.Open, FileAccess.Read);
byte[] bytes = new byte[fs.Length];
fs.Read(bytes, 0, bytes.Length);
if (web.UpdateFile(bytes, str, FileUpload_pic.FileName))
{
JavaScript.Alert("成功");
}
}
catch (Exception ex)
{
JavaScript.Alert("圖片上傳失敗:" + ex.Message);
return;
}```
[參考連結](https://www.cnblogs.com/qq260250932/p/4965982.html) 程式碼展示