Javascript Printer.js未打印到控制台
因此,出于某种原因,在我将打印函数移动到它们自己的文件并尝试在app.js文件上运行node命令之后,它突然不想在我的控制台中打印任何内容。为什么呢 我仍然在努力调试这一个,因为当我运行下面的命令时,没有输出任何内容Javascript Printer.js未打印到控制台,javascript,node.js,Javascript,Node.js,因此,出于某种原因,在我将打印函数移动到它们自己的文件并尝试在app.js文件上运行node命令之后,它突然不想在我的控制台中打印任何内容。为什么呢 我仍然在努力调试这一个,因为当我运行下面的命令时,没有输出任何内容 node app.js myusernamehere 有人知道吗 app.js var profile = require("./profile.js"); var users = process.argv.slice(2); users.forEach(profile.get
node app.js myusernamehere
有人知道吗
app.js
var profile = require("./profile.js");
var users = process.argv.slice(2);
users.forEach(profile.get);
//Problem: We need a simple way to look at a user's badge count and Javascript points
//Solution: Use Node.js to connect to Treehouse's API to get profile information to print out
var https = require("https");
var http = require("http");
var printer = require("./printer.js");
function get(username) {
//Connect to API URL (http://teamtreehouse.com/username.json)
var request = https.get("https://teamtreehouse.com/" + username + ".json", function(response) {
var body = "";
//Read the data
response.on('data', function(chunk) {
body += chunk;
});
response.on('end', function() {
if (response.statusCode == 200) {
try {
//Parse the data
var profile = JSON.parse(body);
//Print the data
printer.printMessage(username, profile.badges.length, profile.points.JavaScript);
} catch(error) {
//Parse Error
printer.printError(error);
}
} else {
//Status Code Error
printer.printError({message: "There was an error getting the profile for " + username + ". (" + http.STATUS_CODES[response.statusCode] + ")"});
}
});
});
//Connection Error
request.on('error', printer.printError);
}
module.exports.get = get;
//Print out message
function printMessage(username, badgeCount, points) {
var message = username + " has " + badgeCount + " total badge(s) and " + points + " points in Javascript";
console.log(message);
}
//Print out error messages
function printError(error) {
console.error(error.message);
}
module.exports.printMessage = printMessage;
module.exports.printError = printError;
profile.js
var profile = require("./profile.js");
var users = process.argv.slice(2);
users.forEach(profile.get);
//Problem: We need a simple way to look at a user's badge count and Javascript points
//Solution: Use Node.js to connect to Treehouse's API to get profile information to print out
var https = require("https");
var http = require("http");
var printer = require("./printer.js");
function get(username) {
//Connect to API URL (http://teamtreehouse.com/username.json)
var request = https.get("https://teamtreehouse.com/" + username + ".json", function(response) {
var body = "";
//Read the data
response.on('data', function(chunk) {
body += chunk;
});
response.on('end', function() {
if (response.statusCode == 200) {
try {
//Parse the data
var profile = JSON.parse(body);
//Print the data
printer.printMessage(username, profile.badges.length, profile.points.JavaScript);
} catch(error) {
//Parse Error
printer.printError(error);
}
} else {
//Status Code Error
printer.printError({message: "There was an error getting the profile for " + username + ". (" + http.STATUS_CODES[response.statusCode] + ")"});
}
});
});
//Connection Error
request.on('error', printer.printError);
}
module.exports.get = get;
//Print out message
function printMessage(username, badgeCount, points) {
var message = username + " has " + badgeCount + " total badge(s) and " + points + " points in Javascript";
console.log(message);
}
//Print out error messages
function printError(error) {
console.error(error.message);
}
module.exports.printMessage = printMessage;
module.exports.printError = printError;
printer.js
var profile = require("./profile.js");
var users = process.argv.slice(2);
users.forEach(profile.get);
//Problem: We need a simple way to look at a user's badge count and Javascript points
//Solution: Use Node.js to connect to Treehouse's API to get profile information to print out
var https = require("https");
var http = require("http");
var printer = require("./printer.js");
function get(username) {
//Connect to API URL (http://teamtreehouse.com/username.json)
var request = https.get("https://teamtreehouse.com/" + username + ".json", function(response) {
var body = "";
//Read the data
response.on('data', function(chunk) {
body += chunk;
});
response.on('end', function() {
if (response.statusCode == 200) {
try {
//Parse the data
var profile = JSON.parse(body);
//Print the data
printer.printMessage(username, profile.badges.length, profile.points.JavaScript);
} catch(error) {
//Parse Error
printer.printError(error);
}
} else {
//Status Code Error
printer.printError({message: "There was an error getting the profile for " + username + ". (" + http.STATUS_CODES[response.statusCode] + ")"});
}
});
});
//Connection Error
request.on('error', printer.printError);
}
module.exports.get = get;
//Print out message
function printMessage(username, badgeCount, points) {
var message = username + " has " + badgeCount + " total badge(s) and " + points + " points in Javascript";
console.log(message);
}
//Print out error messages
function printError(error) {
console.error(error.message);
}
module.exports.printMessage = printMessage;
module.exports.printError = printError;
我不知道实际发生了什么,但它现在起作用了,我的代码中没有任何更改。有人知道为什么没有打印出来吗?