Javascript 节点测试和console.log问题
我从node:up and running一书中设置了一个简单的节点服务器和测试程序。当我用debug跟踪它时,它似乎工作得很好,但我很好奇为什么console.log不向终端输出任何东西 服务器,app.jsJavascript 节点测试和console.log问题,javascript,node.js,Javascript,Node.js,我从node:up and running一书中设置了一个简单的节点服务器和测试程序。当我用debug跟踪它时,它似乎工作得很好,但我很好奇为什么console.log不向终端输出任何东西 服务器,app.js var express = require('express'); var http = require('http'); var app = express(); app.set('port', process.env.PORT || 8000) app.use(express.u
var express = require('express');
var http = require('http');
var app = express();
app.set('port', process.env.PORT || 8000)
app.use(express.urlencoded());
app.use(express.json());
app.use(express.logger('dev'));
var tweets = [];
app.get('/', function (req, res) {
res.send('Welcome to Node Twitter');
});
app.post('/send', function(req, res) {
if (req.body && req.body.tweet) {
tweets.push(req.body.tweet);
res.send({status:"ok", message:"Tweet received"});
} else {
// no tweet ?
res.send({status:"nok", message:"No tweet received"});
}
});
app.get('tweets', function (req, res) {
res.send(tweets);
});
http.createServer(app).listen(app.get('port'), function(){
console.log('Express server listening on port ' + app.get('port'));
});
var http = require('http');
assert = require('assert');
var opts = {
host: 'localhost',
port: 8000,
path: '/send',
method: 'POST',
headers: {'content-type':'application/x-www-form-urlencoded'}
}
var req = http.request(opts, function(res) {
res.setEncoding('utf8');
console.log("Sending test");
var data = "";
res.on('data', function(d) {
data += d;
})
res.on('end', function() {
assert.strictEqual(data, '{"status":"ok", "message":"Tweet received"}');
console.log("test");
})
})
req.write('tweet=test')
req.end
测试脚本,Test.js
var express = require('express');
var http = require('http');
var app = express();
app.set('port', process.env.PORT || 8000)
app.use(express.urlencoded());
app.use(express.json());
app.use(express.logger('dev'));
var tweets = [];
app.get('/', function (req, res) {
res.send('Welcome to Node Twitter');
});
app.post('/send', function(req, res) {
if (req.body && req.body.tweet) {
tweets.push(req.body.tweet);
res.send({status:"ok", message:"Tweet received"});
} else {
// no tweet ?
res.send({status:"nok", message:"No tweet received"});
}
});
app.get('tweets', function (req, res) {
res.send(tweets);
});
http.createServer(app).listen(app.get('port'), function(){
console.log('Express server listening on port ' + app.get('port'));
});
var http = require('http');
assert = require('assert');
var opts = {
host: 'localhost',
port: 8000,
path: '/send',
method: 'POST',
headers: {'content-type':'application/x-www-form-urlencoded'}
}
var req = http.request(opts, function(res) {
res.setEncoding('utf8');
console.log("Sending test");
var data = "";
res.on('data', function(d) {
data += d;
})
res.on('end', function() {
assert.strictEqual(data, '{"status":"ok", "message":"Tweet received"}');
console.log("test");
})
})
req.write('tweet=test')
req.end
需要一些建议。事件
end
永远不会被触发,因为您没有调用函数req.end
。您保持http请求/连接处于打开状态。你永远不会完成它
请尝试:
req.end();
想想以下两者之间的区别:
console.log('HI');
console.log;
这样行吗
console.log('Express server监听端口'+app.get('port'))代码>什么控制台-有两个应用程序(服务器和测试客户端),哪一个没有输出?此外,express还有自己的http服务器抱歉,test.js文件中的console.log语句不起作用。app.js中的那个很好用,谢谢。愚蠢的错误。