angular5

问题 How can I set default selected last button in toggle group. This is my code. <mat-button-toggle-group #group="matButtonToggleGroup"> <mat-button-toggle value="Heritage"> <span>Heritage</span> </mat-button-toggle> <mat-button-toggle value="Nature"> <span>Nature</span> </mat-button-toggle> <mat-button-toggle value="People"> <span>People</span> </mat-button-toggle> <mat-button-toggle value="All"> <span>All</span> </mat-button-toggle> </mat-button-toggle-group> 回答1: I fixed it. Simply add the

问题 How can I set default selected last button in toggle group. This is my code. <mat-button-toggle-group #group="matButtonToggleGroup"> <mat-button-toggle value="Heritage"> <span>Heritage</span> </mat-button-toggle> <mat-button-toggle value="Nature"> <span>Nature</span> </mat-button-toggle> <mat-button-toggle value="People"> <span>People</span> </mat-button-toggle> <mat-button-toggle value="All"> <span>All</span> </mat-button-toggle> </mat-button-toggle-group> 回答1: I fixed it. Simply add the

问题 I have a table where data is populating. Each row has an edit link. I want to edit only a particular row on click of edit link. Right now its' showing edit option for all the rows. Also I want to show the text in a input box on click of edit. Here is my code. <tr *ngFor="let row of backendData.report" class="hover-highlight"> <td class="benchmark_name"> {{row.name}} </td> <td> {{row.value}} </td> <td> {{row.description}} </td> <td> <button *ngIf="enableEdit" (click)="enableEdit=false" class=

问题 I have a table where data is populating. Each row has an edit link. I want to edit only a particular row on click of edit link. Right now its' showing edit option for all the rows. Also I want to show the text in a input box on click of edit. Here is my code. <tr *ngFor="let row of backendData.report" class="hover-highlight"> <td class="benchmark_name"> {{row.name}} </td> <td> {{row.value}} </td> <td> {{row.description}} </td> <td> <button *ngIf="enableEdit" (click)="enableEdit=false" class=

问题 I have a table where data is populating. Each row has an edit link. I want to edit only a particular row on click of edit link. Right now its' showing edit option for all the rows. Also I want to show the text in a input box on click of edit. Here is my code. <tr *ngFor="let row of backendData.report" class="hover-highlight"> <td class="benchmark_name"> {{row.name}} </td> <td> {{row.value}} </td> <td> {{row.description}} </td> <td> <button *ngIf="enableEdit" (click)="enableEdit=false" class=

问题 I have a table where data is populating. Each row has an edit link. I want to edit only a particular row on click of edit link. Right now its' showing edit option for all the rows. Also I want to show the text in a input box on click of edit. Here is my code. <tr *ngFor="let row of backendData.report" class="hover-highlight"> <td class="benchmark_name"> {{row.name}} </td> <td> {{row.value}} </td> <td> {{row.description}} </td> <td> <button *ngIf="enableEdit" (click)="enableEdit=false" class=

问题 I have this method to get token via localstorage, if token is not exist or is expired, I will call API to get another token and store to localstorage. In this case, which map should I use, currently using mergeMap, or other way to do this? public doGetToken():Observable<Token> { return this.loadToken().pipe( //get via localstorage map(token=>{ let valid = this.validateTokenIsValid(token); let data = { token: token, valid: valid }; return data; }), mergeMap(data=>{ if (!data.valid) { return

问题 I am working on a angular 5 project. There are many mat-select elements which is supposed to be readonly like text boxes. I found out that there is a disabled feature which is: <mat-form-field> <mat-select placeholder="Choose an option" [disabled]="disableSelect.value"> <mat-option value="option1">Option 1</mat-option> <mat-option value="option2" disabled>Option 2 (disabled)</mat-option> <mat-option value="option3">Option 3</mat-option> </mat-select> </mat-form-field> which out put looks like

来源： https://stackoverflow.com/questions/49070178/angular-material-how-to-change-top-padding-of-mat-grid-tile

来源： https://stackoverflow.com/questions/48828865/why-npm-install-g-angular-cli