我坚持这个问题:我不能让我的上传工作:上传从DART客户端文件到节点服务器
这是一个Node.js的代码taht与标准<form><input type="file" name="toUpload/>
router.post('/sp/file', function (req, res) {
// File to be uploaded
console.log("###" + req.files);
var fileToUpload = req.files.toUpload;
//console.log(fileToUpload);
var dir = __dirname + "/files";
/* var dir = __dirname + "/files/" + Date.now();
if (!fs.existsSync(dir)) {
fs.mkdirSync(dir);
}*/
fileToUpload.mv(__dirname + "/files/" + fileToUpload.name, function (err) {
if (err) {
console.log("error: " + err);
} else
console.log("upload succeeded");
console.log(fileToUpload);
console.log(__dirname + "/files/" + fileToUpload.name);
uploadFilesStorj.uploadFile(__dirname + "/files/" + fileToUpload.name);
});
});
现在,当我尝试通过上传镖文件,我卡住,因为发送的数据是不相同的格式:
class AppComponent {
void uploadFiles(dynamic files) {
if (files.length == 1) {
final file = files[0];
final reader = new FileReader();
//reader.onProgress.listen()
reader.onLoad.listen((e) {
sendData(reader.result);
});
reader.readAsDataUrl(file);
}
}
sendData(dynamic data) async {
final req = new HttpRequest();
req.onReadyStateChange.listen((Event e) {
if (req.readyState == HttpRequest.DONE &&
(req.status == 200 || req.status == 0)) {}
});
req.onProgress.listen((ProgressEvent prog) {
if (prog.lengthComputable)
print("advancement : " + (prog.total/prog.loaded).toString());
else
print("unable to compute advancement");
});
req.open("POST", "/sp/file");
req.send(data);
}
}
这是我的镖角前方代码
<input type="file" #upload (change)="uploadFiles(upload.files)"
(dragenter)="upload.style.setProperty('border', '3px solid green')"
(drop)="upload.style.setProperty('border', '2px dotted gray')" class="uploadDropZone" name="toUpload"/>
用这种方法发送的数据的格式为: 请求有效载荷:
数据:text/html的; BASE64,PGh0bWw + DQogICA8aGVhZD4NCiAgICAgIDx0aXRsZT5GaWxlIFVwbG9hZGluZyBGb3JtPC9
我通过了很多时间没有成功,任何人都可以帮助
我试图直接加载数据中的node.js 应用.js: var rawBodySaver = function(req,res,buf,encoding)if(buf && buf.length){ \t req.rawBody = buf.toString(encoding ||'utf8'); } }; and in my upload.js var out = fs.createWriteStream(__ dirname +“/ files/test”); out.write(req.rawBody); 012.ec(); 事情是,我得到的原始数据编码在BAS64前加上信息'data:text/html; base64' –