Angular 链服务可观测呼叫 我有一个要上传的文件列表 我想做的事情只有当所有的文件上传成功 onUpload(事件){ let files:File[]=事件; files.forEach(文件=>{ const formData=new formData(); formData.append('file',file); formData.append('dsId',this.rdd.tech_id); this.rddService.upload(formData.subscribe)(响应=>{ //做点什么 }) }) }
有办法吗 试试Angular 链服务可观测呼叫 我有一个要上传的文件列表 我想做的事情只有当所有的文件上传成功 onUpload(事件){ let files:File[]=事件; files.forEach(文件=>{ const formData=new formData(); formData.append('file',file); formData.append('dsId',this.rdd.tech_id); this.rddService.upload(formData.subscribe)(响应=>{ //做点什么 }) }) },angular,rxjs,observable,Angular,Rxjs,Observable,有办法吗 试试forkJoin import { forkJoin } from 'rxjs'; onUpload(event) { let files: File[] = event; forkJoin( // spread the array of requests // in the map we do the appropriate modifications as well ...files.map(file => {
forkJoin
import { forkJoin } from 'rxjs';
onUpload(event) {
let files: File[] = event;
forkJoin(
// spread the array of requests
// in the map we do the appropriate modifications as well
...files.map(file => {
const formData = new FormData();
formData.append('file', file);
formData.append('dsId', this.rdd.tech_id);
return this.rddService.upload(formData)
})
).subscribe(data => {
console.log('All done', data);
});
}