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‎.DS_Store

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‎chapter1/代码清单1-1/app.js

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var http = require('http');
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http.createServer(function (req, res) {
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res.writeHead(200, {'Content-Type': 'text/html'});
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res.write('<head><meta charset="utf-8"/></head>');
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res.end('你好\n');
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}).listen(1337, "127.0.0.1");
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console.log('Server running at http://127.0.0.1:1337/')

‎chapter10/代码清单10-1/app.js

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var http = require('http');
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try{
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http.createServer(function (req, res) {
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if(req.url!=="/favicon.ico"){
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noneexist();
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res.writeHead(200, {'Content-Type': 'text/html'});
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res.write('<head><meta charset="utf-8"/></head>');
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res.end('你好\n');
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}
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}).listen(1337, "127.0.0.1");
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}
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catch(err){
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console.log('接收客户端请求时发生以下错误：');
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console.log(err.code);
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}
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‎chapter10/代码清单10-10/app.js

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var domain = require('domain');
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var d=domain.create();
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d.on('error',function(err){
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console.log('Domain对象捕获到错误。');
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});
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console.log('原始堆栈：');
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console.log(domain._stack);
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d.run(function() {
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console.log('运行domain对象后的堆栈内容：');
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console.log(domain._stack);
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throw new Error("error");
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});
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/*d.run(function() {
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d.exit();
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console.log('运行domain对象后的堆栈内容：');
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console.log(domain._stack);
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});
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d.run(function() {
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d.exit();
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console.log('运行domain对象后的堆栈内容：');
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console.log(domain._stack);
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throw new Error("error");
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});
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d.run(function() {
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d.exit();
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console.log('运行exit方法后的堆栈内容：');
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console.log(domain._stack);
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d.enter();
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console.log('运行enter方法后的堆栈内容：');
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console.log(domain._stack);
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throw new Error("error");
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});*/
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‎chapter10/代码清单10-11/app.js

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var domain = require('domain');
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var d1=domain.create();
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d1.name="d1";
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d1.on('error',function(err){
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console.log('d1对象捕获到错误。');
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});
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var d2=domain.create();
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d2.name="d2";
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d2.on('error',function(err){
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console.log('d2对象捕获到错误。');
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});
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console.log('原始堆栈：');
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console.log(domain._stack);
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d1.run(function() {
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d2.run(function() {
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console.log('最终堆栈：');
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console.log(domain._stack);
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throw new Error("first");
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});
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});
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/*d1.run(function() {
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d2.run(function() {
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d1.enter();
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console.log('最终堆栈：');
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console.log(domain._stack);
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throw new Error("first");
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});
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});*/
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/*d1.run(function() {
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d2.run(function() {
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d1.exit();
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console.log('最终堆栈：');
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console.log(domain._stack);
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});
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});*/
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‎chapter10/代码清单10-2/app.js

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var http = require('http');
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http.createServer(function (req, res) {
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if(req.url!=="/favicon.ico"){
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noneexist();
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res.writeHead(200, {'Content-Type': 'text/html'});
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res.write('<head><meta charset="utf-8"/></head>');
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res.end('你好\n');
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}
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}).listen(1337, "127.0.0.1");
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process.on('uncaughtException', function(err) {
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console.log('接收客户端请求时发生以下错误：');
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console.log(err);
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});
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‎chapter10/代码清单10-3/app.js

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var http = require('http');
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var domain = require('domain');
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http.createServer(function (req, res) {
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var d = domain.create();
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d.once('error', function(err) {
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res.writeHead(200, {'Content-Type': 'text/html'});
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res.write('<head><meta charset="utf-8"/></head>');
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res.write('服务器端接收客户端请求时发生以下错误：');
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res.end(err.message);
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});
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d.run(function() {
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if(req.url!=="/favicon.ico"){
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noneexist();
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res.writeHead(200, {'Content-Type': 'text/html'});
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res.write('<head><meta charset="utf-8"/></head>');
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res.end('你好\n');
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}
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});
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}).listen(1337, "127.0.0.1");
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‎chapter10/代码清单10-4/app.js

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var domain=require('domain');
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var fs=require('fs');
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var d = domain.create();
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d.name='d1';
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d.on('error', function(err) {
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console.error('%s捕获到错误!',d.name,err);
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});
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d.run(function() {
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process.nextTick(function() {
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setTimeout(function() { //模拟一个回调函数
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fs.open('non-existent file', 'r', function(err, fd) {
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if (err) throw err;
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});
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}, 1000);
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});
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});
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//d.dispose();
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‎chapter10/代码清单10-5/client.js

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var http = require('http');
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var options = {
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hostname: 'localhost',
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port: 1337,
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path: '/',
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method: 'POST'
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};
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var req = http.request(options,function(res) {
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res.setEncoding('utf8');
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res.on('data', function (chunk) {
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console.log('响应内容: '+chunk);
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});
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});
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req.write('你好。');
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req.end('再见。');
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‎chapter10/代码清单10-5/server.js

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var http = require('http');
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var domain = require('domain');
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http.createServer(function(req, res) {
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var reqd = domain.create();
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reqd.add(req);
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reqd.add(res);
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reqd.on('error', function(err) {
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res.writeHead(200);
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res.write('服务器端接收客户端请求时发生以下错误：');
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res.end(err.message);
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});
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res.writeHead(200);
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//reqd.remove(req);
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req.on('data',function(){
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noneexists();
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res.write('你好。');
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res.end();
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});
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}).listen(1337);
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‎chapter10/代码清单10-7/app.js

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var fs=require('fs');
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var domain = require('domain');
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var d = domain.create();
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fs.readFile('./test.txt',d.bind(function(err, data) {
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if(err) throw err;
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else console.log(data);
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}));
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d.on('error', function(err) {
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console.log('读取文件时发生以下错误：');
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console.log(err);
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});
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‎chapter10/代码清单10-8/app.js

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var fs=require('fs');
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var domain = require('domain');
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var d = domain.create();
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fs.readFile('./test.txt',d.intercept(function(err, data) {
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console.log(data);
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}));
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d.on('error', function(err) {
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console.log('读取文件时发生以下错误：');
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console.log(err);
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});
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‎chapter10/代码清单10-9/app.js

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var domain = require('domain');
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var d1=domain.create();
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d1.name="d1";
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var d2=domain.create();
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d2.name="d2";
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console.log('原始堆栈：');
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console.log(domain._stack);
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d1.run(function() {
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console.log('d1对象：');
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console.log(d1);
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console.log('运行d1对象后的堆栈内容：');
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console.log(domain._stack);
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});
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d2.run(function() {
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console.log('d2对象：');
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console.log(d2);
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console.log('运行d2对象后的堆栈内容：');
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console.log(domain._stack);
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});
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‎chapter11/代码清单11-1/app.js

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var crypto = require('crypto');
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var fs = require('fs');
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var shasum = crypto.createHash('sha1');
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var s = fs.ReadStream('./app.js');
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s.on('data', function(d) {
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shasum.update(d);
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});
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s.on('end', function() {
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var d = shasum.digest('hex');
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console.log(d);
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});
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‎chapter11/代码清单11-10/app.js

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var zlib=require('zlib');
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var fs=require('fs');
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var out=fs.createWriteStream('compress.log');
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var input = 'abcdefghijklmnopqrstuvwxyz';
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zlib.gzip(input,function(err,buffer) {
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if (!err) {
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zlib.unzip(buffer,function(err,buffer) {
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if (!err) {
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console.log(buffer.toString());
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out.write(buffer.toString());
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}
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});
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}
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});
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