AsyncHttpClient(上传图片到服务器)

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AsyncHttpClient 是一个框架提供的库 可以异步传输,使用时需下载android-async-http-1.4.4.jar包导入到项目中

下载地址:http://loopj.com/android-async-http

public static void reg(final Context cont,Bitmap photodata,String regData) {          try {              ByteArrayOutputStream baos = new ByteArrayOutputStream();              //将bitmap一字节流输出 Bitmap.CompressFormat.PNG 压缩格式,100:压缩率,baos:字节流              photodata.compress(Bitmap.CompressFormat.PNG, 100, baos);              baos.close();              byte[] buffer = baos.toByteArray();              System.out.println("图片的大小:"+buffer.length);              //将图片的字节流数据加密成base64字符输出              String photo = Base64.encodeToString(buffer, 0, buffer.length,Base64.DEFAULT);              //photo=URLEncoder.encode(photo,"UTF-8");              RequestParams params = new RequestParams();                      params.put("photo", photo);                          params.put("name", "woshishishi");//传输的字符数据                          String url = "http://10.0.2.2:8080/IC_Server/servlet/RegisterServlet1";                          AsyncHttpClient client = new AsyncHttpClient();                          client.post(url, params, new AsyncHttpResponseHandler() {                          @Override                        public void onSuccess(int statusCode, String content){                        Toast.makeText(cont, "头像上传成功!"+content, 0)                       .show();                            }                        @Override                        public void onFailure(Throwable e, String data){                        Toast.makeText(cont, "头像上传失败!", 0)                          .show();                   }              });          } catch (Exception e) {              e.printStackTrace();          }      }  
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