增加中间件屏蔽Ip的练习

app/middleware/forbidip.js

+'use strict';
+
+module.exports = (option, app) => {
+  return async function forbidIp(ctx, next) {
+    const forbidip = '192.168.146.169';
+    console.log(ctx.request.ip);
+    if (ctx.request.ip === forbidip) {
+      ctx.status = 403;
+      ctx.body = '您的Ip已经被屏蔽';
+    } else {
+      await next();
+    }
+  };
+};

app/middleware/printdate.js

+'use strict';
+/**
+ * @param {*} options 入参
+ * @param {*} app   application实例
+ */
+
+module.exports = options => {
+  // 返回一个异步的方法
+  return async function priontDate(ctx, next) {
+    console.log(new Date(), options.name);
+    await next();
+  };
+};

config/config.default.js

@@ -7,8 +7,10 @@ module.exports = appInfo => {
   config.keys = appInfo.name + '_1537794513145_4789';
 
   // add your config here
-  config.middleware = [];
-
+  config.middleware = [ 'printdate', 'forbidip' ];
+  config.printdate = {
+    name: '中间件',
+  };
   // 模板引擎
   config.view = {
     mapping: {