tencent cloud

const filePath = "temp-file-to-upload" // Local file path
cos.putObject({
    Bucket: 'examplebucket-1250000000', /* Your bucket (required) */
    Region: 'COS_REGION',  /* Bucket region (required), such as ap-beijing */
    Key: '1.jpg',  /* Object key stored in the bucket (required), such as `1.jpg` and `a/b/test.txt`. */
    StorageClass: 'STANDARD',
    /* If the `Body` is of `stream` type, `ContentLength` must be passed in; otherwise, `onProgress` cannot return the correct progress information. */
    Body: fs.createReadStream(filePath), // Uploaded file object
    ContentLength: fs.statSync(filePath).size,
    onProgress: function(progressData) {
        console.log(JSON.stringify(progressData));
    }
}, function(err, data) {
    console.log(err || data);
});

cos.putObject({
    Bucket: 'examplebucket-1250000000', /* Your bucket (required) */
    Region: 'COS_REGION',  /* Bucket region (required), such as ap-beijing */
    Key: '1.txt',  /* Object key stored in the bucket (required), such as `1.jpg` and `a/b/test.txt`. */
    Body: Buffer.from('hello!'), /* Required */
}, function(err, data) {
    console.log(err || data);
});

cos.putObject({
    Bucket: 'examplebucket-1250000000', /* Your bucket (required) */
    Region: 'COS_REGION',  /* Bucket region (required), such as ap-beijing */
    Key: '1.txt',  /* Object key stored in the bucket (required), such as `1.jpg` and `a/b/test.txt`. */
    Body: 'hello!',
}, function(err, data) {
    console.log(err || data);
});

var base64Url = 'data:image/png;base64,iVBORw0KGgo.....';
// Convert to `Buffer` for upload
var body = Buffer.from(base64Url.split(',')[1] , 'base64');
cos.putObject({
    Bucket: 'examplebucket-1250000000', /* Required */
    Region: 'COS_REGION',    /* Required */
    Key: '1.png',              /* Required */
    Body: body,
}, function(err, data) {
    console.log(err || data);
});

cos.putObject({
    Bucket: 'examplebucket-1250000000', /* Your bucket (required) */
    Region: 'COS_REGION',  /* Bucket region (required), such as ap-beijing */
    Key: 'a/',  /* Object key stored in the bucket, such as `1.jpg` and `a/b/test.txt` (required) */
    Body: '',
}, function(err, data) {
    console.log(err || data);
});

cos.putObject({
    Bucket: 'examplebucket-1250000000', /* Your bucket (required) */
    Region: 'COS_REGION',  /* Bucket region (required), such as ap-beijing */
    Key: 'a/b/1.jpg',  /* Object key stored in the bucket, such as `1.jpg` and `a/b/test.txt` (required) */
    Body: fileObject, // Upload the file object
    onProgress: function(progressData) {
        console.log(JSON.stringify(progressData));
    }
}, function(err, data) {
    console.log(err || data);
});

cos.putObject({
    Bucket: 'examplebucket-1250000000', /* Your bucket (required) */
    Region: 'COS_REGION',  /* Bucket region (required), such as ap-beijing */
    Key: '1.jpg',  /* Object key stored in the bucket (required), such as `1.jpg` and `a/b/test.txt`. */
    StorageClass: 'STANDARD',
    Body: fileObject, // Upload the file object
    Headers: {
      'x-cos-traffic-limit': 819200, // The speed range is 819200–838860800, i.e., 100 KB/s to 100 MB/s. If a value is not within this range, 400 will be returned.
    },
    onProgress: function(progressData) {
        console.log(JSON.stringify(progressData));
    }
}, function(err, data) {
    console.log(err || data);
});