angular7

问题 How do I reset the values in a class in Typescript and ensure all the values are cleared? Is there a typescript function to do this? export class Product{ productId: number; productName: string; productDescription: string; } We have many classes with 50+ fields, looking for efficient way to conduct this. 回答1: Try like this: Working Demo productDetails: Product = { productId: 1, productName: "Apple", productDescription: "Fruit" }; reset() { this.productDetails = new Product(); } 回答2: YOu can

问题 I have an Angular project and I want to make it seo compatible. I did this with Angular Universal, but localhost: 4000 doesn't open. When I enter localhost: 4000 / index.html, it opens and redirects to localhost: 4000. However, the page source code appears as . So it's not happening. I wondered, "Did I do something wrong?" I asked. And another new Angular project created the same operations I've created on it worked without a problem. However, it does not work in my current project. My files

问题 I have an Angular project and I want to make it seo compatible. I did this with Angular Universal, but localhost: 4000 doesn't open. When I enter localhost: 4000 / index.html, it opens and redirects to localhost: 4000. However, the page source code appears as . So it's not happening. I wondered, "Did I do something wrong?" I asked. And another new Angular project created the same operations I've created on it worked without a problem. However, it does not work in my current project. My files

问题 We have already a robust framework in place for automating the UI as well as customized classes for various other java operation like posting api, xml handling, file handling , json handling, database operation etc . Since there is a time crunch to switching to protractor and framework development is not possible. So working with angular7 for selenium is good option. Since we can handle all the synchronization issues via selenium 回答1: First and foremost, the background context of the question

问题 We have already a robust framework in place for automating the UI as well as customized classes for various other java operation like posting api, xml handling, file handling , json handling, database operation etc . Since there is a time crunch to switching to protractor and framework development is not possible. So working with angular7 for selenium is good option. Since we can handle all the synchronization issues via selenium 回答1: First and foremost, the background context of the question

问题 I uploading file as FormData in Angular 7 with this code using HttpClient as http : sendImageFile(subUri: string, id: number, fileToUpload: File): Observable<any> { const formData: FormData = new FormData(); formData.append('file', fileToUpload, fileToUpload.name); formData.append('photoalbum_id', id.toString() ); // ... some other .append() const customHeaders = new HttpHeaders({ 'Authorization': 'Bearer' + localStorage.getItem('token'), 'Accepted-Encoding': 'application/json' }); const

问题 I uploading file as FormData in Angular 7 with this code using HttpClient as http : sendImageFile(subUri: string, id: number, fileToUpload: File): Observable<any> { const formData: FormData = new FormData(); formData.append('file', fileToUpload, fileToUpload.name); formData.append('photoalbum_id', id.toString() ); // ... some other .append() const customHeaders = new HttpHeaders({ 'Authorization': 'Bearer' + localStorage.getItem('token'), 'Accepted-Encoding': 'application/json' }); const

问题 I'm trying to create a layout with Angular 7 and CSS Grid. The problem I have is that the router-outlet only takes up one column in the second row. I have created a StackBlitz here. As you can see in app.component.css I want router-outlet (and any of its content) to take up grid-column: 2 / 5 , as of now it takes up 2 / 3. Is what I'm trying to achieve possible? 回答1: <router-outlet> has no size and does not have any content in it, the actual router content is the next element to it. Remove

问题 I'm trying to create a layout with Angular 7 and CSS Grid. The problem I have is that the router-outlet only takes up one column in the second row. I have created a StackBlitz here. As you can see in app.component.css I want router-outlet (and any of its content) to take up grid-column: 2 / 5 , as of now it takes up 2 / 3. Is what I'm trying to achieve possible? 回答1: <router-outlet> has no size and does not have any content in it, the actual router content is the next element to it. Remove

问题 im curently using angular ver 7 with angular cli and also angular material the lastest version im get to the point when using the angular table with sticky column position <ng-container matColumnDef="name" sticky> <th mat-header-cell *matHeaderCellDef> Name </th> <td mat-cell *matCellDef="let element"> {{element.name}} </td> </ng-container> <ng-container matColumnDef="address" sticky> <th mat-header-cell *matHeaderCellDef> Address</th> <td mat-cell *matCellDef="let element"> {{element.address