http-proxy-middleware-for-koa2/README.md

用于koa2的http-proxy-middleware的中间件

# http-proxy-middleware-for-koa2
http-proxy-middleware for koa 2.x.

## Usage

```javascript
const app = require('koa')();
const proxy = require("http-proxy-middleware-for-koa2");
const proxyOptions = {
  targets: {
    "/file-api": {
      target: "https://www.baidu.com/",
      ws: false,
      secure: true, // https 需要配置
      changeOrigin: true,
      pathRewrite: {
        "^/file-api": "/common", // 需要的rewrite
      },
      onProxyRes(proxyRes, req, res) {
        console.log(proxyRes);
        console.log(req);
        console.log(res);
      },
    },
  },
};
app.use(proxy(proxyOptions));
```

### Example usage
```javascript
// /config/proxy.config.js
const proxy = {
  targets: {
    "/file-api": {
      target: "",
      ws: false,
      secure: true, // https 需要配置
      changeOrigin: true,
      pathRewrite: {
        "^/file-api": "/common", // 需要的rewrite
      },
      onProxyRes(proxyRes, req, res) {
        console.log(proxyRes);
        console.log(req);
        console.log(res);
      },
    },
  },
};
module.exports = proxy;

// /app.js
const Koa = require("koa");
const app = new Koa();
const proxy = require("http-proxy-middleware-for-koa2");
const proxyOptions = require("./config/proxy.config");

app.use(proxy(proxyOptions));
```

## 配置项请查看
[http-proxy-middleware](https://github.com/chimurai/http-proxy-middleware#options) options