我正在尝试上传图像并将formData发送到后端。
我正在使用formData.append附加上载的文件和fetchAPI来发送formData。
我的输入内容如下
<input style="display:none" type="file"
(change)="fileChange($event)"
#fileInput>
fileChange(event) {
let fileList: FileList = event.target.files;
if (fileList.length > 0) {
let file: File = fileList[0];
let formData: FormData = new FormData();
formData.append('uploadFile',file,file.name);
console.log('formData',formData);
this.handleUpload(formData);
}
}
handleUpload(formData) {
const url = `/upload?`;
let result;
const req = new Request(proxyurl + url,{
method: 'POST',headers: {
'content-type': 'multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW'
},body: formData
});
fetch(req)
.then(response => response.text())
.then(() => {
if (result.data) {
console.log('response ',result.data);
} else {
console.log('request failed');
}
})
.catch(() => console.log('Can\'t access ' + url + ' response. Blocked by browser?'));
}
当我点击服务时,我得到状态码:422无法处理的实体,响应如下:
{"error":{"message":"?exception.illegalargument?"}}
请求有效载荷如下
------WebKitFormBoundary8E02ll3T0mo433bu
Content-Disposition: form-data; name="uploadFile"; filename="Screen Shot 2019-10-04 at 10.49.34 AM.png"
Content-Type: image/png
------WebKitFormBoundary8E02ll3T0mo433bu--
请帮助我解决此问题。