删除

server/demo.js

-// 回调地狱
-module.exports = function (param, cb) {
-  asyncFun1(param, function (result1) {
-    asyncFun2(result1, function (result2) {
-      asyncFun3(result2, function (result3) {
-        cb(result3)
-      })
-    })
-  })
-};
-
-// Promise
-module.exports = function (param, cb) {
-  asyncFun1(param).then(function (result1) {
-      return result1;
-    }
-  ).then(function (result1) {
-    return asyncFun2(param);
-  }).then(function (result2) {
-    return asyncFun3(param);
-  }).then(function (result3) {
-    cb(result3);
-  });
-}
-
-// ES6 Generator
-module.exports = function* (param, cb) {
-  const result1 = yield asyncFun1(param);
-  const result2 = yield asyncFun2(result1);
-  const result3 = yield asyncFun3(result2);
-  cb(result3);
-};
-
-// ES7
-module.exports =  async(param, cb) => {
-  const result1 = await asyncFun1(param);
-  const result2 = await asyncFun2(result1);
-  const result3 = await asyncFun3(result2);
-  cb(result3);
-};

server/test.js

-var schedule = require("node-schedule");
-
-var date = new Date(2018,2,12,16,56,0);
-
-var j = schedule.scheduleJob(date, function(){
-
-console.log("执行任务");
-
-});