From 3789667ee47f0a5c4123d6e46da791a92954556b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E6=96=8C?= <70946690>
Date: Wed, 2 Mar 2022 17:17:46 +0800
Subject: [PATCH 1/2] =?UTF-8?q?3.2=E6=8F=90=E4=BA=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 "\345\210\230\346\226\214/bata.js" | 25 +++++++++++++++++++++++++
 "\345\210\230\346\226\214/big.txt" |  0
 2 files changed, 25 insertions(+)
 create mode 100644 "\345\210\230\346\226\214/bata.js"
 create mode 100644 "\345\210\230\346\226\214/big.txt"

diff --git "a/\345\210\230\346\226\214/bata.js" "b/\345\210\230\346\226\214/bata.js"
new file mode 100644
index 0000000..1b1d9fe
--- /dev/null
+++ "b/\345\210\230\346\226\214/bata.js"
@@ -0,0 +1,25 @@
+/**
+ * 作业
+ * 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");
+
+//传统方法创建
+let os= require("os");
+let startMes=os.freemem();
+let fd = fs.openSync("big.txt", 'r');
+let bf3 = Buffe 
+ r.alloc(6.1 * 1024 * 1024);
+fs.readSync(fd, bf3, 0, 6.1 * 1024 * 1024);
+console.log(bf3.toString());
+
+let endMes = os.freemem();
+console.log(startMes);
+console.log(endMes);
+console.log((startMes - endMes) / 1024 / 1024);
+setTimeout(function(){
+fs.closeSync(fd);
+},1000);
+
+//流
+let readStream=fs.createReadStream('small.txt','utf-8');
diff --git "a/\345\210\230\346\226\214/big.txt" "b/\345\210\230\346\226\214/big.txt"
new file mode 100644
index 0000000..e69de29
-- 
Gitee


From 0651b68b43c21581f0c8dfe8bfffbea7c3626a2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E6=96=8C?= <70946690>
Date: Wed, 2 Mar 2022 17:35:13 +0800
Subject: [PATCH 2/2] bujiao

---
 "\345\210\230\346\226\214/2.28/bata1.js"         | 16 ++++++++++++++++
 .../3.1/bata.js"                                 |  0
 .../3.1/big.txt"                                 |  0
 3 files changed, 16 insertions(+)
 create mode 100644 "\345\210\230\346\226\214/2.28/bata1.js"
 rename "\345\210\230\346\226\214/bata.js" => "\345\210\230\346\226\214/3.1/bata.js" (100%)
 rename "\345\210\230\346\226\214/big.txt" => "\345\210\230\346\226\214/3.1/big.txt" (100%)

diff --git "a/\345\210\230\346\226\214/2.28/bata1.js" "b/\345\210\230\346\226\214/2.28/bata1.js"
new file mode 100644
index 0000000..726da73
--- /dev/null
+++ "b/\345\210\230\346\226\214/2.28/bata1.js"
@@ -0,0 +1,16 @@
+// 创建100文件吧,内容自便,读取文件把这100个文件的内容给我拼接起来输出,可以写在一个文件里面也可以输出
+let fs = require('fs');
+let func = function (num) {
+    for(let i =0;i<=num;i++){
+        let fg = fs.openSync('./c.txt','a')
+        let fd = fs.openSync(`./File${i}.txt`,'w')
+        let content = Math.ceil(Math.random()*10)
+        fs.writeSync(fd,`${content}`)
+        fs.writeSync(fg,`${content} `)
+        fs.closeSync(fd)
+    }
+}
+func(100);
+
+    let buffer=fs.readFileSync("./c.txt",{flag:'r',encoding:'utf-8'});
+    console.log(buffer.toString());
diff --git "a/\345\210\230\346\226\214/bata.js" "b/\345\210\230\346\226\214/3.1/bata.js"
similarity index 100%
rename from "\345\210\230\346\226\214/bata.js"
rename to "\345\210\230\346\226\214/3.1/bata.js"
diff --git "a/\345\210\230\346\226\214/big.txt" "b/\345\210\230\346\226\214/3.1/big.txt"
similarity index 100%
rename from "\345\210\230\346\226\214/big.txt"
rename to "\345\210\230\346\226\214/3.1/big.txt"
-- 
Gitee