我有带有选项选择的垫子表单字段
<mat-form-field appearance="outline">
<mat-label>TestMat</mat-label>
<mat-select placeholder="TestMat" [formControl]="testControl">
<mat-option *ngFor="let arr of arrTmp" [value]="arr">
{{arr.name}}
</mat-option>
</mat-select>
</mat-form-field>
其中 arrTmp =
[
[{
"name": "name1",
"id": "1"
}],
[{
"name": "name2",
"id": "2"
}, {
"name": "name3",
"id": "2"
}]
]
结果在垫子表单字段内我有
[object Object]
[object Object],[object Object]
我怎样才能正常显示 arr.name?