在 FormBuilder 中使用对象
Use of objects inside FormBuilder
我创建了一个响应式表单,它运行良好:
ts 文件:
this.formulario = this.formBuilder.group({
title:[null, [Validators.required, Validators.minLength(3)] ],
dateHour:[null, [Validators.required] ],
description:[null, [Validators.required] ],
location: this.formBuilder.group({
idLocation: [null],
lat:[null],
lng:[null],
}),
});
在那之后,我为每个人创建了一个class:
export class Ocr {
idOcr: number;
title: string;
dateHour: Date;
description: string;
location: Location;
}
export class Location {
idLocation: number;
lat: number;
lng: number;
}
然后,我在ts文件中实例化了对象,我想在FormBuilder中使用属性。这种情况不知道在location属性里写什么:
ocr: Ocr = new Ocr();
...
this.formulario = this.formBuilder.group({
title:[this.ocr.title, [Validators.required, Validators.minLength(3)] ],
dateHour:[this.ocr.DateHour, [Validators.required] ],
description:[this.ocr.description, [Validators.required] ],
location: ???????
}),
});
我也想知道如何在 html 文件中表示它。
您可以像这样添加一个新的 formGroup:
this.formulario = this.formBuilder.group({
title:[this.ocr.title, [Validators.required, Validators.minLength(3)] ],
dateHour:[this.ocr.DateHour, [Validators.required] ],
description:[this.ocr.description, [Validators.required] ],
location: this.formBuilder.group({
lat:[this.ocr.location.lat, [Validators.required] ],
lng:[this.ocr.location.lng, [Validators.required] ],
})
}),
});
我创建了一个响应式表单,它运行良好:
ts 文件:
this.formulario = this.formBuilder.group({
title:[null, [Validators.required, Validators.minLength(3)] ],
dateHour:[null, [Validators.required] ],
description:[null, [Validators.required] ],
location: this.formBuilder.group({
idLocation: [null],
lat:[null],
lng:[null],
}),
});
在那之后,我为每个人创建了一个class:
export class Ocr {
idOcr: number;
title: string;
dateHour: Date;
description: string;
location: Location;
}
export class Location {
idLocation: number;
lat: number;
lng: number;
}
然后,我在ts文件中实例化了对象,我想在FormBuilder中使用属性。这种情况不知道在location属性里写什么:
ocr: Ocr = new Ocr();
...
this.formulario = this.formBuilder.group({
title:[this.ocr.title, [Validators.required, Validators.minLength(3)] ],
dateHour:[this.ocr.DateHour, [Validators.required] ],
description:[this.ocr.description, [Validators.required] ],
location: ???????
}),
});
我也想知道如何在 html 文件中表示它。
您可以像这样添加一个新的 formGroup:
this.formulario = this.formBuilder.group({
title:[this.ocr.title, [Validators.required, Validators.minLength(3)] ],
dateHour:[this.ocr.DateHour, [Validators.required] ],
description:[this.ocr.description, [Validators.required] ],
location: this.formBuilder.group({
lat:[this.ocr.location.lat, [Validators.required] ],
lng:[this.ocr.location.lng, [Validators.required] ],
})
}),
});