小编Pra*_*thi的帖子

我有一个基于 NodeJS 和 Express 的应用程序。每次我试图获取响应时，我都会得到Content-Type: "application/json; charset=utf-8". 我无法在前端解析它，因为我期待 header 的响应Content-Type: "application/json"。

我也尝试过res.setHeader, res.set方法，但似乎没有什么帮助。任何建议表示赞赏。

以下是我的快速代码：

const app = express();

configureMongoClient();

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(cookieParser());
app.options('*', cors())

app.use("/api-docs", swaggerUi.serve, swaggerUi.setup(swaggerDocument));

app.use((req, res, next) => {
    res.header('Access-Control-Allow-Origin', '*');
    res.header('Access-Control-Allow-Methods', 'GET, PUT, POST');
    res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept, X_BPI_CONTEXT');
    res.header("Content-Type", "application/json")
    next();
});
app.use("/users", usersRouter);
app.use(express.static(path.join(__dirname, "public")));

我的前端调用如下：

fetch(uri, {
    method: "POST",
    headers: {
      Content-Type: "application/json"
    },
    body: JSON.stringify(requestData),
  })
    .then((response) => {
      debugger;
      return …

我有一个基于 nextjs 的项目。奇怪的是，HMR 在我的项目中无法正常工作。每次我进行更改时，我都必须重新运行该过程。我附上了我的下一个配置和 package.json 的详细信息：

下一个.配置：

const withSass = require("@zeit/next-sass");
const withCSS = require("@zeit/next-css");

module.exports = withCSS(
  withSass({
    webpack(config, options) {
      config.module.rules.push({
        test: /\.(eot|woff|woff2|ttf|svg|png|jpg|gif)$/,
        use: {
          loader: "url-loader",
          options: {
            limit: 100000,
          },
        },
      });

      return config;
    }
  })
);

包.json

"scripts": {
    "dev": "next dev",
    "build": "next build",
    "start": "next start",
    "export": "next export"
  },
  "dependencies": {
    "@zeit/next-css": "^1.0.1",
    "@zeit/next-sass": "^1.0.1",
    "antd": "^3.26.8",
    "chartjs": "^0.3.24",
    "classnames": "^2.2.6",
    "draft-js": "^0.11.4",
    "isomorphic-unfetch": "^3.0.0",
    "moment": "^2.24.0",
    "next": "^9.2.1",
    "node-sass": "^4.13.1",
    "react": …