七牛上传图片初探 开始上传 暂停上传 继续上传

效果

代码

public class MainActivity extends AppCompatActivity {    ListView listview;    AlbumList albumList;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initData();        initView();    }    private void initData() {        List<AlbumList.ImgListBean> list = new ArrayList<>();                for (int i = 0; i < 3; i++) {            List<String> pictures = ImgHandleUtils.getPictures(Environment.getExternalStorageDirectory() + "/新文件夹");            AlbumList.ImgListBean imgListBean = new AlbumList.ImgListBean();            imgListBean.setImgUrlList(pictures);            imgListBean.setDirName("金地小城");            list.add(imgListBean);        }        albumList = new AlbumList();        albumList.setImgList(list);    }    private void initView() {        listview = (ListView) findViewById(R.id.listview);        ListViewAdapter adapter = new ListViewAdapter(this, albumList.getImgList());        listview.setAdapter(adapter);    }}

public class ListViewAdapter extends BaseAdapter {    private Context mContext;    private List<AlbumList.ImgListBean> imgList;    //指定upToken, 强烈建议从服务端提供get请求获取, 这里为了演示直接指定key    private static String uptoken = "um6IEH7mtwnwkGpjImD08JdxlvViuELhI4mFfoeL:NCnWTr1D3jR_9_dxj6geIgPBQq4=:eyJzY29wZSI6ImFuZHJvaWRkZW1vIiwiZGVhZGxpbmUiOjIzMDk5MjE5MTIsInJldHVybkJvZHkiOiJ7IFwiaGFzaFwiOiQoZXRhZyksXCJrZXlcIjokKGtleSksXCJtaW1lVHlwZVwiOiQobWltZVR5cGUpLCBcImZzaXplXCI6JChmc2l6ZSl9In0=";    private UploadManager uploadManager;  //七牛SDK的上传管理者    private UploadOptions uploadOptions;  //七牛SDK的上传选项    private UpProgressHandler upProgressHandler;  //七牛SDK的上传进度监听    private UpCancellationSignal upCancellationSignal;  //七牛SDK的上传过程取消监听    private boolean isProgressCancel = false;  //网络请求过程中是否取消上传或下载    public ListViewAdapter(Context context, List<AlbumList.ImgListBean> imgList) {        this.mContext = context;        this.imgList = imgList;    }    @Override    public int getCount() {        return imgList.size();    }    @Override    public Object getItem(int i) {        return imgList.get(i);    }    @Override    public long getItemId(int i) {        return i;    }    @Override    public View getView(final int i, View view, ViewGroup viewGroup) {        final ViewHolder holder;        if (view == null) {            view = LayoutInflater.from(mContext).inflate(R.layout.listview_item, viewGroup, false);            holder = new ViewHolder();            holder.item_img = view.findViewById(R.id.item_img);            holder.item_tv_name = view.findViewById(R.id.item_tv_name);            holder.item_tv_count = view.findViewById(R.id.item_tv_count);            holder.probar_upload = view.findViewById(R.id.probar_upload);            holder.tv_progress = view.findViewById(R.id.tv_progress);            holder.tv_upload = view.findViewById(R.id.tv_upload);            view.setTag(holder);        } else {            holder = (ViewHolder) view.getTag();        }        final AlbumList.ImgListBean imgListBean = imgList.get(i);        Glide.with(mContext)                .load(new File(imgListBean.getImgUrlList().get(0)))                .placeholder(R.mipmap.ic_launcher)                .into(holder.item_img);        holder.item_tv_name.setText(imgListBean.getDirName());        holder.item_tv_count.setText(imgListBean.getImgUrlList().size() + "");        holder.tv_upload.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                if (holder.tv_upload.getText().equals("上传")) {                    holder.tv_upload.setText("暂停");                    //开始上传                    holder.probar_upload.setMax(imgListBean.getImgUrlList().size());                    if (!isInitUpload) {                        initUpload();                    }                    upload(imgListBean.getImgUrlList(), holder.probar_upload, holder.tv_progress, holder.tv_upload);                } else if (holder.tv_upload.getText().equals("暂停")) {                    holder.tv_upload.setText("继续");                    //暂停上传                    isProgressCancel = true;                    Toast.makeText(mContext, (currentIndex + ""), Toast.LENGTH_SHORT).show();                } else if (holder.tv_upload.getText().equals("继续")) {                    holder.tv_upload.setText("暂停");                    //继续上传                    Toast.makeText(mContext, (currentIndex + ""), Toast.LENGTH_SHORT).show();                    isProgressCancel = false;                    upload(imgListBean.getImgUrlList(), holder.probar_upload, holder.tv_progress, holder.tv_upload);                }            }        });        return view;    }    private int currentIndex = 0;//当前上传到第几张照片，默认从0开始    private boolean isInitUpload = false;    /**     * 上传方法     *     * @param imgUrlList    单个相册的图片路径集合     * @param probar_upload     * @param tv_progress     */    private void upload(final List<String> imgUrlList, final ProgressBar probar_upload, final TextView tv_progress, final TextView tv_upload) {        uploadManager.put(new File(imgUrlList.get(currentIndex)), null, uptoken, new UpCompletionHandler() {            /**             * 主线程执行             *             * @param key      UploadManager.put()方法中指定的key，也就是上传到七牛服务器上的文件名；             * @param info     Json串表示的上传信息，包括使用版本，请求状态，请求Id等信息；             * @param response Json串表示的文件信息，包括文件Hash码，保存在七牛服务的key，文件Mime类型，文件大小等信息，具体字段取决上传策略的设置；             */            @Override            public void complete(String key, ResponseInfo info, JSONObject response) {                if (info.isOK()) {                    Log.e("QINIULOG:", key + "!\n" + info + "!\n" + response + "!");                    currentIndex++;                    probar_upload.setProgress(currentIndex);                    tv_progress.setText(currentIndex + "/" + imgUrlList.size());                    if (currentIndex < imgUrlList.size()) {                        upload(imgUrlList, probar_upload, tv_progress, tv_upload);//递归上传                    } else {                        currentIndex = 0;//重置                        tv_upload.setText("上传完成");                    }                } else {                    Log.e("QINIULOG:", "上传失败:" + info.statusCode);                }            }        }, uploadOptions);    }    private static class ViewHolder {        private ImageView item_img;        private TextView item_tv_name;        private TextView item_tv_count;        private ProgressBar probar_upload;        private TextView tv_progress;        private TextView tv_upload;    }    /**     * 初始化上传配置，只需初始化一次就可以     */    private void initUpload() {        isInitUpload = true;        uploadManager = new UploadManager();        upProgressHandler = new UpProgressHandler() {            /**             * 主线程执行             * @param key 上传时的upKey；             * @param percent 上传进度；             */            @Override            public void progress(String key, double percent) {                //上传进度相关            }        };        upCancellationSignal = new UpCancellationSignal() {            @Override            public boolean isCancelled() {                //控制取消上传，取消之后就不能再上传了                return isProgressCancel;            }        };        //定义数据或文件上传时的可选项        uploadOptions = new UploadOptions(                null,  //扩展参数，以x:开头的用户自定义参数                "mime_type",  //指定上传文件的MimeType                true,  //是否启用上传内容crc32校验                upProgressHandler,  //上传内容进度处理                upCancellationSignal  //取消上传信号        );    }}

上传成功后七牛返回的信息

ResponseInfo info 信息{ver:7.3.10,ResponseInfo:1507880162533195,status:200,reqId:a30AAJ89bN4BEe0U,xlog:body:1;s.ph;s.put.tw;s.put.tr:2;s.put.tw;s.put.tr:5;s.ph;PFDS:5;PFDS:7;rs36_16.sel:4/not found;rdb.g:1/no such key;DBD:1/404;v4.get:1/Document not found;rs36_16.ins:9;rwro.ins:15;RS:16;rs.put:16;rs-upload.putFile:24;UP:28, xvia:bc488,vdn-jssz-mob-1-6,host:upload.qiniup.com,path:/,ip:xxxxxxx,port:80,duration:214 s,time:1507880164,sent:233531,error:null}JSONObject response 信息{"hash":"Fsu2LPwvk331ltLR50VLT2FHpFxB","key":"Fsu2LPwvk331ltLR50VLT2FHpFxB","mimeType":"image\/jpeg","fsize":232869}

注意事项：

七牛对上传的图片做了限制，当图片大于4M的时候，会自动使用断点上传，上传过程会比较慢，如果小于4M，会使用Form上传，速度比较快。所以如果允许的话尽量将图片大小控制在4M以内，方便上传。