NO1:

s1.png

<label class="mdc-textfield cla-max">
                <div style="padding: 10px 0">内容:</div>
                <!--<input type="text" class="mdc-textfield__input" [(ngModel)]="now.content">-->
                <textarea type="text" style="width:100%;height: 80px;" class="tl-input"  [(ngModel)]="now.content"></textarea>
            </label>