android C#webservice 上传文件
android 端
public String UploadHeadImg(Bitmap bitmap,String fileName ) {
String[] arg={"BtyeString","FileName"};
String[]
val={bitmaptoString(bitmap),fileName};
return
bd.GetWebReturnModel("UploadFile", arg, val);
}
public String bitmaptoString(Bitmap bitmap) {
//
将Bitmap转换成字符串
String string = null;
ByteArrayOutputStream bStream = new ByteArrayOutputStream();
bitmap.compress(CompressFormat.PNG, 100, bStream);
byte[] bytes
= bStream.toByteArray();
string = Base64.encode(bytes);
return string;
}
public Bitmap
stringtoBitmap(String string) {
// 将字符串转换成Bitmap类型
Bitmap bitmap = null;
try {
byte[] bitmapArray;
bitmapArray = Base64.decode(string);
bitmap = BitmapFactory.decodeByteArray(bitmapArray, 0,
bitmapArray.length);
} catch (Exception e) {
e.printStackTrace();
}
return bitmap;
}
服务瑞
#region 文件上传
[WebMethod(Description = " 文件上传", EnableSession = true)]
public string UploadFile(string BtyeString,String FileName)
{
try
{
string path =
Server.MapPath("/View/UpLoad/HeadImg");
byte[] bytes =
Convert.FromBase64String(BtyeString);
System.IO.MemoryStream
ms = new System.IO.MemoryStream(bytes);
System.Drawing.Bitmap
b = (System.Drawing.Bitmap)System.Drawing.Image.FromStream(ms);
//图片保存路径
String NewFileName = DateTime.Now.ToString("yyyyMMddhhmmss") + "_" +
FileName;
b.Save(path + "/" + NewFileName);
return new JsonMessage { Success = true, Data =
"/View/UpLoad/HeadImg"+NewFileName , Message = "操作成功" }.ToString();
}