const multer = require("@koa/multer");
const bodyParser = require("koa-bodyparser");
const Router = require("@koa/router");
const jwt = require("jsonwebtoken");
const crypto = require("crypto");
const app = new Koa();
const router = new Router({ prefix: "/api" });
const secretKey = crypto.randomBytes(32).toString("hex");
const storage = multer.diskStorage({
destination: function (req, file, cb) {
cb(null, "./uploads");
},
filename: function (req, file, cb) {
cb(null, "123" + file.fieldname + "-" + Date.now() + file.originalname);
// cb(null, file.originalname);
},
});
const upload = multer({ storage });
const authMiddleware = (ctx, next) => {
const token = ctx.headers.authorization;
if (!token) {
ctx.status = 401;
return (ctx.body = { code: -1001, message: "未提供令牌" });
}
next();
};
router.use(bodyParser());
router.post("/login", (ctx) => {
const { name, password } = ctx.request.body;
if (name === "lingo123" && password === "123456") {
const token = jwt.sign({ name }, secretKey);
ctx.body = {
code: 0,
data: {
id: 1,
name,
token,
},
};
}
});
router.use(authMiddleware);
router.get("/users/:id", (ctx) => {
const id = ctx.request.params.id;
ctx.body = id;
});
router.post("/upload", upload.single("photo"), (ctx) => {
console.log("upload");
ctx.body = "upload";
});
app.use(router.routes());
app.listen(3000, () => {
console.log("服务器启动成功~");
});
初学 nodejs,想请教大佬,我想在文件上传这个接口模拟一个 token 校验功能,但是出现了问题,通过 postman 发送上传请求, koa 这边没有问题, postman 接收到的是 404 Not Found,而在将 authMiddleware 修改为异步后就没有问题了?这是为什么?其他的比如 /users/:id 都是可以正常响应的.
