---
title:
  zh-CN: 基础样例
  en-US: Basic Usage
order: 0
---

## zh-CN

最简单的用法。

## en-US

Simplest of usage.

```ts
import { Component } from '@angular/core';
import { SFSchema } from '@delon/form';
import { NzMessageService } from 'ng-zorro-antd';
import { of } from 'rxjs';
import { delay } from 'rxjs/operators';

@Component({
  selector: 'app-demo',
  template: `<sf [schema]="schema" (formSubmit)="submit($event)"></sf>`
})
export class DemoComponent {
    schema: SFSchema = {
        properties: {
            status: {
                type: 'string',
                title: '状态',
                enum: [
                    { label: '待支付', value: 'WAIT_BUYER_PAY' },
                    { label: '已支付', value: 'TRADE_SUCCESS' },
                    { label: '交易完成', value: 'TRADE_FINISHED' }
                ],
                default: 'WAIT_BUYER_PAY',
                ui: {
                    widget: 'select'
                }
            },
            // 标签
            tags: {
                type: 'string',
                title: '标签',
                enum: [
                    { label: '待支付', value: 'WAIT_BUYER_PAY' },
                    { label: '已支付', value: 'TRADE_SUCCESS' },
                    { label: '交易完成', value: 'TRADE_FINISHED' }
                ],
                ui: {
                    widget: 'select',
                    mode: 'tags'
                },
                default: null
            },
            // 异步数据
            async: {
                type: 'string',
                title: 'Async',
                ui: {
                    widget: 'select',
                    asyncData: () => of([
                        {
                            label: '订单状态',
                            group: true,
                            children: [
                                { label: '待支付', value: 'WAIT_BUYER_PAY' },
                                { label: '已支付', value: 'TRADE_SUCCESS' },
                                { label: '交易完成', value: 'TRADE_FINISHED' }
                            ]
                        }
                    ]).pipe(delay(1200))
                }
            }
        }
    };
    constructor(public msg: NzMessageService) { }
    submit(value: any) { this.msg.success(JSON.stringify(value)); }
}
```