function oneFun() {
// setTimeout(function () {
// console.log("a");
// }, 1000);
i = 0;
setInterval(function () {
console.log("aaa==" + new Date());
i++;
if (i == 3) {
clearInterval(this);
}
}, 1000);
console.log("oneFun");
}
function twoFun() {
j = 0;
setInterval(function () {
console.log("bbb==" + new Date());
j++;
if (j == 3) {
clearInterval(this);
}
}, 1000);
console.log("oneFun执行完毕");
}
//oneFun();
//twoFun();
/*
1,串行无关联:async.series
2,并行无关联:async.parallel
3,串行有关联:waterfall
*/
//异步操作,串行无关联
//npm install async --save-dev
var async = require('async');
function exec() {
async.series({
one: function (done) {
i = 0;
setInterval(function () {
console.log("aaa==" + new Date());
i++;
if (i == 3) {
clearInterval(this);
done(null, 'one完毕');
}
}, 1000);
},
two: function (done) {
j = 0;
setInterval(function () {
console.log("bbb==" + new Date());
j++;
if (j == 3) {
clearInterval(this);
done(null, 'two完毕');
}
}, 1000);
}
}, function (err, rs) {
console.log(err);
console.log(rs);
}
)
}
exec();
console.log("主进程执行完毕");
Nodejs:异步流程控制(上)
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转载自blog.csdn.net/u013101178/article/details/84728364
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