*大家好,我尝试使用 c# 将文件上传到 .net 服务器。我只是使用 c:/inetpub/wwwroot 作为服务器位置。
我的java代码是,
public class MainActivity extends Activity {
InputStream inputStream;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.two);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG,90, stream);
byte[] byte_arr = stream.toByteArray();
String image_str = Base64.encodeBytes(byte_arr);
ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("image",image_str));
try {
HttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost("http://127.0.0.1/AndroidUpload/uploadImage.cs");
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse response = httpClient.execute(httpPost);
String the_response_string = convertResponseToString(response);
Toast.makeText(this, "Response"+the_response_string, Toast.LENGTH_SHORT).show();
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Toast.makeText(this,"Error1", Toast.LENGTH_SHORT).show();
} catch (ClientProtocolException e) {
//TODO Auto-generated catch block
e.printStackTrace();
Toast.makeText(this,"Error2", Toast.LENGTH_SHORT).show();}
catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Toast.makeText(this,"Error3", Toast.LENGTH_SHORT).show();
}
}
public String convertResponseToString(HttpResponse response)throws IllegalStateException,IOException {
// TODO Auto-generated method stub
String res = "";
StringBuffer buffer = new StringBuffer();
inputStream = response.getEntity().getContent();
int contentLength = (int) response.getEntity().getContentLength();
Toast.makeText(this, "ContentLength"+contentLength, Toast.LENGTH_SHORT).show();
if(contentLength<0){
}
else{
byte[] data = new byte[512];
int len = 0;
try {
while(-1 != (len=inputStream.read(data))){
buffer.append(new String(data,0,len));
}
inputStream.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
res = buffer.toString();
Toast.makeText(this, "Result"+res, Toast.LENGTH_SHORT).show();
}
return res;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
我上传的 c# 代码是,
protected void Page_Init(object sender, EventArgs e)
{
string vTitle = "";
string vDesc = "";
string FilePath = Server.MapPath("/files/two.png");
if (!string.IsNullOrEmpty(Request.Form["title"]))
{
vTitle = Request.Form["title"];
}
if (!string.IsNullOrEmpty(Request.Form["description"]))
{
vDesc = Request.Form["description"];
}
HttpFileCollection MyFileCollection = Request.Files;
if (MyFileCollection.Count > 0)
{
// Save the File
MyFileCollection[0].SaveAs(FilePath);
}
}
运行时,它会抛出 IOException。并且该文件未上传到该文件夹中。也尝试了 php 代码,结果相同。问题出在哪里?