在这个例子中,event.target.files[0]确保了你获取的是一个File对象,它实现了Blob接口,因此可以安全地传递给readAsText方法。 通过上述步骤,你应该能够解决“filereader.readastext: argument 1 does not implement interface blob”的问题。如果问题仍然存在,请检查你的代码以确保没有其他逻辑错误或类型错误。
TypeError: Argument 1 of FileReader.readAsDataURL does not implement interface Blob.lepozepo_cloudinary.js:155:14Cloudinary.uploadhttp://localhost:3000/packages /lepozepo_cloudinary.js:155:14submitAddnewsponsors/<http://localhost:3000 /app/app.js:4443:25submitAddnewsponsorshttp://localhost:3000 /app...
Documents from blob field don't save with file name Does .Net Framework 4.8 still support Web Form Does asp:radiobutton has onclick event? Does FileUpload control have a server-side onchange event? does not implement interface member 'System.Web.IHttpHandler.IsReusable' Don't allow web.config...
Cannot initialize type 'PeopleModel' with a collection initializer because it does not implement 'System.Collections.IEnumerable' Cannot load an instance of the following .NET Framework object: assembly Microsoft.Office.Interop.Excel, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c...
process.argv does not tell me that. If npm-run-all handles unknown options (such --port) as an argument that it pass to scripts, I loose the ability to add new CLI option without a breaking change. Author keeganstreet commented Jun 5, 2016 Thanks @mysticatea, I've confirmed that ...
It’s not intuitive to me, but I’d like to understand it so I don’t have so much trouble in the future. I also need to send out thanks to @big-green-man . Simplifying sounds like a good way to go. I will examine your suggestion and try to figure out how to impleme...
// the following would not compilesubscribe();// supplied parameters do not match any signature of call targetsubscribe('a1');// argument of type 'string' does not match parameter of type '(message: string) => void'subscribe('a1','a2');// argument of type 'string' does not match ...
'Input string was not in a correct format' when linking a view 'object' does not contain a definition for 'id' 'System.Array' does not contain a definition for 'FirstOrDefault' 'System.Char' does not contain a property with the name 'ID'. 'System.Data.DataException' occurred in Entity...
Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application' Exception: "The given ColumnMapping does not match up with any column in the source or destination." Exchange Message Count Exchange online- The WinRM client cannot process the request because the server name ...
Action' does not take 0 arguments using XLabs.Forms Delete Web Cache / Javascript Storage DependencyProperty equivalent for Xamarin Forms. DependencyService: System.MissingMethodException: Default constructor not found for [Interface] DependencyService<T>.Get() returns null; Only 1 platform installed. ...