From cf309cfed9db8f552eebe2b9961df7e18ec372cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E6=AC=A7=E9=9B=AF?= <2836892088@qq.com>
Date: Wed, 2 Mar 2022 17:04:32 +0800
Subject: [PATCH 1/2] stream

---
 .../3.2-stream/demo.js"                       | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 "\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js"

diff --git "a/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js" "b/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js"
new file mode 100644
index 0000000..88f4235
--- /dev/null
+++ "b/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js"
@@ -0,0 +1,31 @@
+//创建个大文件，分别用传统方式于流方式，再计算下内存的消耗
+let fs = require("fs");
+let os = require("os");
+//传统方式
+let startTime = Date.now();
+let start = os.freemem();
+let fd = fs.openSync("bigFile.txt", 'a');
+for (let i = 0; i < 10000; i++) {
+    fs.writeSync(fd, "我没事就吃溜溜梅\n");
+}
+let end = os.freemem();
+let diff = ((start - end) / 1024 / 1024);
+let endTime = Date.now();
+let diffTime = ((endTime-startTime)/1000);
+console.log("传统方式的空闲内存量：" + diff);
+console.log("传统方式的时间消耗：" + diffTime);
+fs.closeSync(fd);
+//流方式
+let startTime2 = Date.now();
+let start2 = os.freemem();
+let stream = fs.createWriteStream("bigFile2.txt", "utf-8", { flag: "a" });
+for (let j = 0; j < 10000; j++) {
+    stream.write("你别管我了\n");
+}
+let end2 = os.freemem();
+let endTime2 = Date.now();
+let diffTime2 = ((endTime2-startTime2)/1000);
+let diff2 = ((start2 - end2) / 1024 / 1024);
+console.log("流方式的空闲内存量：" + diff2);
+console.log("传统方式的时间消耗：" + diffTime2);
+stream.close();
\ No newline at end of file
-- 
Gitee


From d1ba63c8f1bb8254db99818f987d94bff0b4dd0b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E6=AC=A7=E9=9B=AF?= <2836892088@qq.com>
Date: Thu, 3 Mar 2022 17:53:38 +0800
Subject: [PATCH 2/2] =?UTF-8?q?3.3-http=E5=8D=8F=E8=AE=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../3.2-stream/demo.js"                         |  6 +++---
 .../3.3-http\345\215\217\350\256\256/demo.js"   | 17 +++++++++++++++++
 2 files changed, 20 insertions(+), 3 deletions(-)
 create mode 100644 "\346\235\216\346\254\247\351\233\257/3.3-http\345\215\217\350\256\256/demo.js"

diff --git "a/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js" "b/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js"
index 88f4235..ce743b5 100644
--- "a/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js"
+++ "b/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js"
@@ -12,7 +12,7 @@ let end = os.freemem();
 let diff = ((start - end) / 1024 / 1024);
 let endTime = Date.now();
 let diffTime = ((endTime-startTime)/1000);
-console.log("传统方式的空闲内存量：" + diff);
+console.log("传统方式的内存消耗：" + diff);
 console.log("传统方式的时间消耗：" + diffTime);
 fs.closeSync(fd);
 //流方式
@@ -26,6 +26,6 @@ let end2 = os.freemem();
 let endTime2 = Date.now();
 let diffTime2 = ((endTime2-startTime2)/1000);
 let diff2 = ((start2 - end2) / 1024 / 1024);
-console.log("流方式的空闲内存量：" + diff2);
-console.log("传统方式的时间消耗：" + diffTime2);
+console.log("流方式的内存消耗：" + diff2);
+console.log("流方式的时间消耗：" + diffTime2);
 stream.close();
\ No newline at end of file
diff --git "a/\346\235\216\346\254\247\351\233\257/3.3-http\345\215\217\350\256\256/demo.js" "b/\346\235\216\346\254\247\351\233\257/3.3-http\345\215\217\350\256\256/demo.js"
new file mode 100644
index 0000000..c3cfa3c
--- /dev/null
+++ "b/\346\235\216\346\254\247\351\233\257/3.3-http\345\215\217\350\256\256/demo.js"
@@ -0,0 +1,17 @@
+// 创建一个web服务器,根据不同的url 去读取页面,给前端渲染
+let http = require("http");
+let serve = http.createServer(function(req,res){
+    res.setHeader('Content-type','text/html; charset=utf-8')
+    let url = req.url;
+    console.log(url);
+    if(url == "/"){
+        res.end("来测测你是谁吧");
+    }else if(url == "/pig"){
+        res.end("哈哈哈你是猪");
+    }else if(url == "/dog"){
+        res.end("哈哈哈你是狗")
+    }
+})
+serve.listen(3000,function(){
+    console.log("服务已启动：http://127.0.0.1:3000");
+});
\ No newline at end of file
-- 
Gitee