pictureselector照片选择器返回选中照片路径。参考：https://blog.csdn.net/yechaoa/article/details/79291552

导包：

implementation 'com.github.LuckSiege.PictureSelector:picture_library:v2.2.3'

函数：

1 PictureSelector.create(MainActivity.this)
2                 .openGallery(PictureMimeType.ofImage())
3                 .forResult(PictureConfig.CHOOSE_REQUEST);

 

阿里云OSS存储对象。

照片上传功能。参考文档：https://help.aliyun.com/document_detail/93939.html?spm=a2c4g.11186623.6.1317.4a6f7bf9MyuDN7 。

导包：

implementation 'com.squareup.okhttp3:okhttp:3.4.1'
    implementation 'com.aliyun.dpa:oss-android-sdk:2.9.5'

函数：

 1 public void uploadImage(final String path, final String name) {
 2 
 3         new Thread(new Runnable() {
 4             @Override
 5             public void run() {
 6                 OSSCredentialProvider credentialProvider = new OSSPlainTextAKSKCredentialProvider(ACCESS_ID, ACCESS_KEY);
 7                 ClientConfiguration conf = new ClientConfiguration();
 8                 conf.setConnectionTimeout(15 * 1000); // 连接超时，默认15秒
 9                 conf.setSocketTimeout(15 * 1000); // socket超时，默认15秒
10                 conf.setMaxConcurrentRequest(8); // 最大并发请求数，默认5个
11                 conf.setMaxErrorRetry(2); // 失败后最大重试次数，默认2次
12 
13                 // oss为全局变量，OSS_ENDPOINT是一个OSS区域地址
14                 oss = new OSSClient(getApplicationContext(), OSS_ENDPOINT, credentialProvider, conf);
15                 // 构造上传请求。
16                 PutObjectRequest put = new PutObjectRequest("sean1246", name, path);
17                 // 设置进度回调函数打印进度条。
18                 put.setProgressCallback(new OSSProgressCallback<PutObjectRequest>() {
19                     @Override
20                     public void onProgress(PutObjectRequest request, long currentSize, long totalSize) {
21                         Log.d("PutObject", "currentSize: " + currentSize + " totalSize: " + totalSize);
22                     }
23                 });
24                 // 文件元信息的设置是可选的。
25                 // ObjectMetadata metadata = new ObjectMetadata();
26                 // metadata.setContentType("application/octet-stream"); // 设置content-type。
27                 // metadata.setContentMD5(BinaryUtil.calculateBase64Md5(uploadFilePath)); // 校验MD5。
28                 // put.setMetadata(metadata);
29                 try {
30                     // meta设置请求头,解决访问图片地址直接下载
31                     ObjectMetadata meta = new ObjectMetadata();
32                     meta.setContentType(getContentType(path.substring(path.lastIndexOf("."))));
33                     put.setMetadata(meta);
34                     PutObjectResult putResult = oss.putObject(put);
35                     Log.d("PutObject", "UploadSuccess");
36                     Log.d("ETag", putResult.getETag());
37                     Log.d("RequestId", putResult.getRequestId());
38                 } catch (ClientException e) {
39                     // 本地异常，如网络异常等。
40                     e.printStackTrace();
41                 } catch (ServiceException e) {
42                     // 服务异常。
43                     Log.e("RequestId", e.getRequestId());
44                     Log.e("ErrorCode", e.getErrorCode());
45                     Log.e("HostId", e.getHostId());
46                     Log.e("RawMessage", e.getRawMessage());
47                 }
48             }
49         }).start();
50     }public static String getContentType(String FilenameExtension) {
51         if (FilenameExtension.equalsIgnoreCase(".bmp")) {
52             return "image/bmp";
53         }
54         if (FilenameExtension.equalsIgnoreCase(".gif")) {
55             return "image/gif";
56         }
57         if (FilenameExtension.equalsIgnoreCase(".jpeg") ||
58                 FilenameExtension.equalsIgnoreCase(".jpg") ||
59                 FilenameExtension.equalsIgnoreCase(".png")) {
60             return "image/jpg";
61         }
62         if (FilenameExtension.equalsIgnoreCase(".html")) {
63             return "text/html";
64         }
65         if (FilenameExtension.equalsIgnoreCase(".txt")) {
66             return "text/plain";
67         }
68         if (FilenameExtension.equalsIgnoreCase(".vsd")) {
69             return "application/vnd.visio";
70         }
71         if (FilenameExtension.equalsIgnoreCase(".pptx") ||
72                 FilenameExtension.equalsIgnoreCase(".ppt")) {
73             return "application/vnd.ms-powerpoint";
74         }
75         if (FilenameExtension.equalsIgnoreCase(".docx") ||
76                 FilenameExtension.equalsIgnoreCase(".doc")) {
77             return "application/msword";
78         }
79         if (FilenameExtension.equalsIgnoreCase(".xml")) {
80             return "text/xml";
81         }
82         return "image/jpg";
83     }