p-autoComplete 预先选择默认值

Question

我在表中使用 p-autoComplete，一旦选择了一行，我的自动完成应该预先选择当前值。我尝试使用 [(ngModel)]="row.bsaName" 但它不起作用。（单击下拉菜单后，我会看到所有值，我确认这些值确实存在于我的 p-autoComplete 下拉菜单中）

另请注意，我使用了 p-calendar，一旦单击编辑，我就可以预先选择当前日期，并且不确定为什么自动完成不同

人TML

        <p-table #dt [value]="iBsaFollowup" dataKey="id" [paginator]="true" [rowsPerPageOptions]="[10,50,100]"
                     [rows]="10">

                <ng-template pTemplate="header">
                    <tr>
                        <th>ID</th>
                        <th>Followup DT</th>
                        <th>Comment</th>
                        <th>BSA Name</th>
                        <th>Action</th>

                    </tr>
                </ng-template>
                <ng-template pTemplate="body" let-row>
                    <tr>
                        <td>{{row.ID}}</td>


                        <td>
                            <div *ngIf="!row.isBSAEditable">{{row.followupDate}}</div>
                            <div *ngIf="row.isBSAEditable">

                                <p-calendar name="followupDate" [(ngModel)]="row.followupDate"  [showIcon]="true"></p-calendar> <span style="margin-left:35px"></span>
                                <span *ngIf="isEmpty(row.comment)" style="color:crimson; font-size:8pt">Required</span>
                            </div>
                        </td>
                        <td>
                            <div *ngIf="!row.isBSAEditable">{{row.comment}}</div>
                            <div *ngIf="row.isBSAEditable">
                                                                       <input type="text" [(ngModel)]="row.comment" style="width:95%" maxlength="200">
                                <span *ngIf="isEmpty(row.comment)" style="color:crimson; font-size:8pt">Required</span>
                            </div>
                        </td>


                        <td>
                            <div *ngIf="!row.isBSAEditable">{{row.bsaName}}</div>
                            <div *ngIf="row.isBSAEditable">

                                <p-autoComplete name="bsaNameList" [(ngModel)]="row.bsaName" [suggestions]="iBsaList"   (completeMethod)="searchBsaList($event)" [style]="{'width':'85%'}" [inputStyle]="{'width':'85%'}" field="name" dataKey="id" [dropdown]="true"></p-autoComplete>

                                <span *ngIf="isEmpty(row.comment)" style="color:crimson; font-size:8pt">Required</span>
                            </div>
                        </td>
                        <td>
                            <div>
                                <modal [row]="row" [disableEditSaveButton]='isEmpty(row.comment)' (deleteRow)="onDeleteToDoList(row)" [showModal]="!row.isBSAEditable" (selectedRow)="onSelectedFollowupdRow(row)" (cancelEdit)="onCancelEdit(row)" (save)="onSave(row)"></modal>
                            </div>
                            <!--<button (click)="editRow(row)">Edit</button>-->
                        </td>

                    </tr>
                </ng-template>

            </p-table>

成分

    bsaListVal: IBsaList;
    iBsaList: IBsaList[];
    originalBsaList: IBsaList[];
 searchBsaList(event) {
        this.iBsaList = this.originalBsaList;
        this.iBsaList = this.iBsaList
            .filter(data => data.name.toString()
                .toLowerCase()
                .indexOf(event.query.toString().toLowerCase()) !== -1);

    }
    GetBsaList() {
        this._dashboardService.getBSAList()
            .subscribe(
            data => {
                this.iBsaList = data.result;
                this.originalBsaList = data.result;

            },
            error => console.log('xx Method: ' + 'alert alert-danger'));

    }

界面

export interface IBsaList {

    id: string,
    name: string
}

********************************************更新***** ********************************************* HTML

           <p-autoComplete name="bsaNameList" [(ngModel)]="row.bsaName" [suggestions]="bsaNameArr"   (completeMethod)="searchBsaList($event)" [style]="{'width':'85%'}" [inputStyle]="{'width':'85%'}" field="name" dataKey="id" [dropdown]="true"></p-autoComplete>

成分

        bsaListVal: IBsaList;
        iBsaList: IBsaList[];
        originalBsaList: string[];
        bsaNameArr: string[];
 searchBsaList(event) {
        this.bsaNameArr = this.originalBsaList;
        this.bsaNameArr = this.bsaNameArr
            .filter(data => data
                .toLowerCase()
                .indexOf(event.query.toString().toLowerCase()) !== -1);

    }
    GetBsaList() {
        this._dashboardService.getBSAList()
            .subscribe(
            data => {
                this.bsaNameArr =  data.result.map(e => e.name);// data.result;
                this.originalBsaList = data.result.map(e => e.name);

            },
            error => console.log('GetAllAccessFor Method: ' + 'alert alert-danger'));

    }

Answer 1

只是为了调和评论中发生的一切。

不能按预期工作的原因autocomplete是因为您绑定[(ngModel)]到一个字符串 row.bsaName，而您的[suggestions]是一个Array of Object。因此，绑定在这里不起作用。有几种方法可以解决该问题：

1. row.bsaName将数据的属性或属性更改bsaName为对象，{id, name}以匹配您的数据模型[suggestions]
2. 创建一个字符串数组，例如：bsaNamesArr: string[]并在您的数据获取上，map通过您data.result获取name array并将其分配给bsaNamesArr this.bsaNamesArr = data.result.map(element => element.name)。现在，使用bsaNamesArras the [suggestions]，也可以用bsaNamesArr在 your(completeMethod)中。

如果您使用第二种方法，请确保删除field您的财产。p-autocomplete

祝你好运！