Javascript 使用 Node.js 每分钟发出一个请求
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Make a request every one minute with Node.js
提问by Daniela Morais
I began to develop in Node.jstoday and I think an application that performs several requests to know the server uptime. I need every request completion the function is performed againas a while loop.
Is it possible to do this in Node.js?
我Node.js今天开始开发，我认为一个应用程序可以执行多个请求来了解服务器正常运行时间。我需要每个请求完成该函数作为一个 while 循环再次执行。
是否可以在 Node.js 中执行此操作？
My basic code
我的基本代码
var http = require('http');
var request = require('request');
request({
url: "http://www.google.com",
method: "GET",
timeout: 10000,
followRedirect: true,
maxRedirects: 10
},function(error, response, body){
if(!error && response.statusCode == 200){
console.log('sucess!');
}else{
console.log('error' + response.statusCode);
}
});
PS : Sorry if it's a stupid question or duplicate
PS：对不起，如果这是一个愚蠢的问题或重复
回答by
JavaScript has a setIntervalfunction, likewise in NodeJS. You could wrap the function you provided into a setIntervalloop.
JavaScript 有一个setInterval函数，在 NodeJS 中也是如此。您可以将您提供的函数包装到一个setInterval循环中。
The setInterval's arguments are (callback, time), where timeis represented through milliseconds... So lets do a bit of math...
该setInterval的论点是(callback, time)，在time通过毫秒表示...所以让我们做一点数学的...
1s = 1000msand 1m = 60s, so 60 * 1000 = 60000
1s = 1000ms并且1m = 60s，这样60 * 1000 = 60000
var requestLoop = setInterval(function(){
request({
url: "http://www.google.com",
method: "GET",
timeout: 10000,
followRedirect: true,
maxRedirects: 10
},function(error, response, body){
if(!error && response.statusCode == 200){
console.log('sucess!');
}else{
console.log('error' + response.statusCode);
}
});
}, 60000);
// If you ever want to stop it... clearInterval(requestLoop)
