我正在尝试使用 multer 中间件解析多部分/来自数据。这是我的帖子请求:
POST /api/files HTTP/1.1
Host: localhost:3000
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW
Cache-Control: no-cache
Postman-Token: f55caef0-1d59-fe80-f6ae-00e38fcbc92a
----WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="guia1"; filename="guia_1_MC_2012_2c.pdf"
Content-Type: application/pdf
----WebKitFormBoundary7MA4YWxkTrZu0gW
这是我的应用程序.js代码:
var express = require('express');
var app = express();
var bodyParser = require('body-parser');
var validator = require('express-validator');
var multer = require('multer');
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(multer({ dest: './files/'}));
app.use(validator());
当我这样做时,我收到以下错误(现已更新):
Error: invalid json
at parse (.../node_modules/body-parser/lib/types/json.js:72:15)
at .../node_modules/body-parser/lib/read.js:98:18
at IncomingMessage.onEnd (.../node_modules/body-parser/node_modules/raw-body/index.js:136:7)
at IncomingMessage.g (events.js:180:16)
at IncomingMessage.EventEmitter.emit (events.js:92:17)
at _stream_readable.js:920:16
at process._tickCallback (node.js:415:13)
因此,bodyParser.json()似乎正在解析数据,而不应该解析数据。
刚刚发现身体解析器工作正常!!问题是邮递员在提交多部分/表单数据时将内容类型设置为应用程序/json,默认情况下,并且还隐藏了标头。谢谢洛根神话!!