return canvas.toDataURL(format||'image/jpeg', quality||1.0); } // DataURL转canvas function dataURLToCanvas(dataurl, cb){ var canvas = document.createElement('CANVAS'); var ctx = canvas.getContext('2d'); var img = new Image(); img.onload = function(){ canvas.width = img.width; ca...
AI代码解释 1.DataURL方式:2.Blob方式:// 1.DataURL方式:asyncfunctionselectFileForDataURL(){constreader=newFileReader();reader.onload=function(){constoutput=document.querySelector("#output1")output.src=reader.result;}reader.readAsDataURL(event.target.files[0]);}//2.Blob方式:asyncfunctionselectFile...
data types in our applications. While using different type of variables we may need to convert th...
function download() {if(!imgDataUrl) { alert("请先合成图片");return; }constimgBlob = dataUrlToBlob(imgDataUrl,"image/png"); saveAs(imgBlob,"face.png"); } 很明显,使用 saveAs 方法之后,下载已合成的图片就很简单了。如果你对 FileSaver.js 的工作原理感兴趣的话,可以阅读 聊一聊 15.5K 的...
// ... function definition objectapp.storageBlob('process-blob-image', {// removed for brevity// Data to insert into Cosmos DBconstid = uuidv4().toString();constanalysis =awaitanalyzeImage(blobUrl);// `type` is the partition keyconstdataToInsertToDatabase = { id,type:'image', blobUrl...
(); reader.onload = async function () { let compressedDataURL = await compress( reader.result, 90, "image/jpeg" ); let compressedImageBlob = dataUrlToBlob(compressedDataURL); uploadFile("https://httpbin.org/post", compressedImageBlob); }; reader.readAsDataURL(event.target.files[0]); };...
// ... function definition objectapp.storageBlob('process-blob-image', {// removed for brevity// Data to insert into Cosmos DBconstid = uuidv4().toString();constanalysis =awaitanalyzeImage(blobUrl);// `type` is the partition keyconstdataToInsertToDatabase = { id,type:'image', blobU...
// 思路:File, Blob ——> dataURL ——> canvas functionfileAndBlobToCanvas(fileDataURL){letimg =newImage()img.src = fileDataURLletcanvas =document.createElement('canvas')if(!canvas.getContext) {alert('浏览器不支持canvas')return;}letct...
blob_client = blob_service_client.get_blob_client(container=container_name, blob=blob_name)#Upload blob to the cool tierwithopen(file=os.path.join(r'file_path', blob_name), mode="rb")asdata: blob_client = blob_client.upload_blob(data=data, overwrite=True, standard_blob_tier=Standard...
multipart/form-data" \ -F "meta={\"ParentId\":\"YOUR_SPACE_ID\",\"Name\":\"My CURL Blob\",\"Type\":\"Map\",\"SubType\":\"GenericMap\",\"Description\":\"A well chosen description\",\"Sharing\":\"None\"};type=application/json" \ -F "text=PATH_TO_FILE;type=text/plain...