>my function
public static String postFile(String url,String fileName, String userName) throws Exception {
HttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(url);
MultipartEntityBuilder builder = MultipartEntityBuilder.create();
builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
final File file = new File(fileName);
ContentBody cfile=new FileBody(file);
builder.addPart("file",cfile);
builder.addTextBody("userName", userName);
final HttpEntity yourEntity = builder.build();
class ProgressiveEntity implements HttpEntity {
@Override
public void consumeContent() throws IOException {
yourEntity.consumeContent();
}
@Override
public InputStream getContent() throws IOException,
IllegalStateException {
return yourEntity.getContent();
}
@Override
public Header getContentEncoding() {
return yourEntity.getContentEncoding();
}
@Override
public long getContentLength() {
return yourEntity.getContentLength();
}
@Override
public Header getContentType() {
return yourEntity.getContentType();
}
@Override
public boolean isChunked() {
return yourEntity.isChunked();
}
@Override
public boolean isRepeatable() {
return yourEntity.isRepeatable();
}
@Override
public boolean isStreaming() {
return yourEntity.isStreaming();
} // CONSIDER put a _real_ delegator into here!
@Override
public void writeTo(OutputStream outstream) throws IOException {
class ProxyOutputStream extends FilterOutputStream {
/**
* @author Stephen Colebourne
*/
public ProxyOutputStream(OutputStream proxy) {
super(proxy);
}
public void write(int idx) throws IOException {
out.write(idx);
}
public void write(byte[] bts) throws IOException {
out.write(bts);
}
public void write(byte[] bts, int st, int end) throws IOException {
out.write(bts, st, end);
}
public void flush() throws IOException {
out.flush();
}
public void close() throws IOException {
out.close();
}
} // CONSIDER import this class (and risk more Jar File Hell)
class ProgressiveOutputStream extends ProxyOutputStream {
public ProgressiveOutputStream(OutputStream proxy) {
super(proxy);
}
public void write(byte[] bts, int st, int end) throws IOException {
// FIXME Put your progress bar stuff here!
out.write(bts, st, end);
}
}
yourEntity.writeTo(new ProgressiveOutputStream(outstream));
}
};
ProgressiveEntity myEntity = new ProgressiveEntity();
post.setEntity(myEntity);
HttpResponse response = client.execute(post);
return getContent(response);
}
public static String getContent(HttpResponse response) throws IOException {
BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
String body = "";
String content = "";
while ((body = rd.readLine()) != null)
{
content += body + "n";
}
return content.trim();
}
我的 gradle 依赖项
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:21.0.3'
compile "org.apache.httpcomponents:httpmime:4.3.6"
compile "org.apache.httpcomponents:httpclient:4.3.6"
compile "org.apache.httpcomponents:httpcore:4.2.4"
}
生成运行错误消息：
Error:Execution failed for task ':app:packageDebug'.
在 APK 元信息/依赖项中复制的重复文件 文件 1：/home/bekir/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpcore/4.3.3/f91b7a4aadc5cf486df6e4634748d7dd7a73f06d/httpcore-4.3.3.jar 文件 2：/home/bekir/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpcore/4.3.3/f91b7a4aadc5cf486df6e4634748d7dd7a73f06d/httpcore-4.3.3.jar } } 安卓 { 打包选项 { 排除"元 INF/依赖项" 您可以在build.gradle中忽略这些文件： Origin 2：/home/bekir/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpmime/4.3.6/cf8bacbf0d476c7f2221f861269365b66447f7ec/httpmime-4.3.6.jar Origin 1：/home/bekir/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpcore/4.3.3/f91b7a4aadc5cf486df6e4634748d7dd7a73f06d/httpcore-4.3.3.jar 存档中的路径：元 INF/依赖项 ：app：packageDebug 错误：打包APK/home/bekir/AndroidStudioProjects/uploadfile/app/build/outputs/apk/app-debug-unaligned过程中出现重复文件.apk ：app：validateDebugSigning ：app：processDebugJavaRes LATE-TO-DATE- ：应用：DEX调试 最新 ：app：preDexDebug 最新 ：APP：compileDebugJava UP-TO-DATE-OF ：应用：生成调试源 最新 ：APP：进程调试资源 最新 ：APP：进程调试清单 最新 ：应用：合并调试资源 最新 ：APP：生成调试资源 最新 ：APP：生成调试重新值 最新 ：应用：合并调试资产 最新 ：应用：生成调试资产 最新 ：APP：生成调试构建配置 最新 ：app：compileDebugRenderscript LATE-TO-DATE-OF ：app：compileDebugAidl LATE-TO-DATE-OF ：app：prepareDebugDependencies ：app：prepareComAndroid支持支持V42103Library 最新 ：app：prepareComAndroid支持AppcompatV72103Library LATE-TO-UPDATED- ：app：preReleaseBuild ：app：preDebugBuild ：app：compileDebugNdk LATE-TO-DATE- ：app：checkDebugManifest ：应用：预构建
警告：Dependency org.apache.httpcomponents：httpclient：4.3.6 在发布时被忽略，因为它可能与 Android 提供的内部版本冲突。 如果出现问题，请使用 jarjar 重新打包以更改类包 如果出现问题，请使用 jarjar 重新打包以更改类包警告：Dependency org.apache.httpcomponents：httpclient：4.3.6 在发布时被忽略，因为它可能与 Android 提供的内部版本冲突。 如果出现问题，请使用 jarjar 重新打包以更改类包警告：Dependency org.apache.httpcomponents：httpclient：4.3.6 在调试时被忽略，因为它可能与 Android 提供的内部版本冲突。 如果出现问题，请使用 jarjar 重新打包以更改类包信息：Gradle 任务 [：app：assembleDebug]警告：Dependency org.apache.httpcomponents：httpclient：4.3.6 在调试时被忽略，因为它可能与 Android 提供的内部版本冲突。
Error:Execution failed for task ':app:packageDebug'.
在 APK 元信息/依赖项中复制的重复文件 文件 1：/home/bekir/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpcore/4.3.3/f91b7a4aadc5cf486df6e4634748d7dd7a73f06d/httpcore-4.3.3.jar 文件 2：/home/bekir/.gradle/caches/modules-2/files-2.1/org.apache.httpcomponents/httpcore/4.3.3/f91b7a4aadc5cf486df6e4634748d7dd7a73f06d/httpcore-4.3.3.jar
对于重复文件错误，请使用：
packagingOptions {
exclude 'META-INF/DEPENDENCIES.txt'
exclude 'META-INF/LICENSE.txt'
exclude 'META-INF/NOTICE.txt'
exclude 'META-INF/NOTICE'
exclude 'META-INF/LICENSE'
exclude 'META-INF/DEPENDENCIES'
exclude 'META-INF/notice.txt'
exclude 'META-INF/license.txt'
exclude 'META-INF/dependencies.txt'
}
它不仅可以使用Apache的库解决许多"重复文件"并且可以忽略依赖错误。