首页 > 解决方案 > DatePicker 在 Mat Dialog 窗口中不起作用

问题描述

我正在尝试创建一个表单,其中包含两个使用 Angular Material 的开始/结束日期日期选择器。出于某种原因,当我在对话框窗口中的表单内添加日期选择器时,对话框的布局没有正确呈现,因为它可以从图像中看到。这可能是什么原因?

模板:

<div class="consumption-form">
    <form [formGroup]="consumptionControl" id="consumptionForm">
        <p class="consumption-field">
            <mat-form-field hintLabel="Max 10 characters" appearance="fill">
                <mat-label>BGpoint</mat-label>
                <input matInput #BGpoint maxlength="10" placeholder="BG5521900640000000000000001668712" formControlName="BGpointControl">
                <mat-error>
                    <span *ngIf="consumptionControl?.controls.BGpointControl?.errors?.pattern">Field should contain 10 numeric
          characters!</span>
                </mat-error>
                <mat-hint align="end">{{BGpoint.value?.length || 0}}/10</mat-hint>
            </mat-form-field>
        </p>
        <p class="consumption-field">
            <mat-form-field appearance="fill">
                <mat-label>Choose a start date</mat-label>
                <input matInput [matDatepickerFilter]="myFilter" [matDatepicker]="picker">
                <mat-datepicker-toggle matSuffix [for]="picker"></mat-datepicker-toggle>
                <mat-datepicker #picker></mat-datepicker>
            </mat-form-field>
        </p>

        <button mat-raised-button type="submit" (click)="submit(BGpoint) " mat-icon-button matTooltip="Click to search for results " [matTooltipPosition]="position.value " [matTooltipShowDelay]="500
                " [matTooltipHideDelay]="500">
            <mat-icon aria-label="Search button icon ">search</mat-icon>
        </button>

    </form>
</div>

组件 ts:

import { Component, OnInit } from '@angular/core';
import { FormGroup, FormControl, Validators } from '@angular/forms';
import { TooltipPosition } from '@angular/material/tooltip';

@Component({
  selector: 'app-consumption-details',
  templateUrl: './consumption-details.component.html',
  styleUrls: ['./consumption-details.component.css']
})
export class ConsumptionDetailsComponent implements OnInit {

  myFilter = (d: Date | null): boolean => {
    const day = (d || new Date()).getDay();
    // Prevent Saturday and Sunday from being selected.
    return day !== 0 && day !== 6;
  }
  
  consumptionControl: FormGroup;
  private positionOptions: TooltipPosition[] = ['after', 'before', 'above', 'below', 'left', 'right'];
  position = new FormControl(this.positionOptions[0]);
  constructor() { }

  ngOnInit(): void {
    this.consumptionControl = new FormGroup({
      BGpointControl: new FormControl('', [Validators.minLength(1), Validators.maxLength(20), Validators.pattern("*")]),
    });
  }
  submit(BGPoint:string){

  }

}

Dialog 窗口在屏幕左侧显示为从上到下的白色条带。

标签: angularformsdatepickerangular-materialdialog

解决方案


我知道我参加聚会有点晚了,但我刚刚遇到了与 OP 类似的问题。在我的情况下,mat-datepicker 工作正常,直到我尝试将它放入 mat-dialog 窗口中的表单中。即使MatNativeDateModule并且MatDatepickerModule被导入到我的模块中,我仍然进入ERROR Error: MatDatepicker: No provider found for DateAdapter控制台。

对我有用的是在两者中导入上面的模块MyModule并在.AppModule MatDatepickerModuleMyModule


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