根据后端,我要求通过post请求传递3个参数,这个后端函数是:
public ResponseModel Post([FromBody] CourseFileUpload item, string fileName, Stream fileToUpload)
现在我试图传递这样的论点:
uploadFile(uploadData:ModelToFileSteam):Observable<ModelToFileSteam> {
const fileName = uploadData.fileName;
console.log('file name is', fileName);
const headers = new HttpHeaders({ 'Content-Type': 'application/json', 'Access-Control-Allow-Origin':'*' });
return this.http.post<ModelToFileSteam>(environment.baseUrl+`CourseFileUpload`, uploadData.fileToUpload, uploadData.fileName, uploadData.uploadStream)
.pipe(
map(data => {
return data;
} ),
catchError(this.handleError)
)
}
但是得到错误,根本无法传递3个参数。这样做的正确方法是什么?
任何人帮助我?
我建议将所有内容包装在一个对象中。并将其发送到后端。
或者只是发送uploadData
return this.http.post<ModelToFileSteam>(environment.baseUrl+`CourseFileUpload`, uploadData)
.pipe(
map(data => {
return data;
} ),
catchError(this.handleError)
)
在后端,你可以像req.body.uploadData
一样获得uploadDate来检查你可以console.log(uploadData.fileName);
这是我的工作范例
this.http.post<Customer>(this.base_url + 'v1/customers', client, this.getHeaders());
客户端是客户对象,this.getHeaders()是:
getHeaders() {
return {
headers: new HttpHeaders({
'Content-Type': 'application/json; charset=utf-8',
})
};
}
祝好运!