node.js -- 檔案輸出入

訊息

參考文獻

簡體版

English

讀取檔案

程式：readfile.js

var fs = require("fs"),
    filename = "index.html",
    encode = "utf8";

fs.readFile(filename, encode, function(err, file) {
  console.log(file);
});

輸入檔：index.html

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-CN" lang="zh-CN">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-7" />
    <title>node.js index html file</title>
</head>
<body>
    <h1>node.js index html file</h1>
</body>
</html>

執行結果

D:\ccc101\nodejs>node readfile.js
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-CN" lang="zh-CN">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-7" />
    <title>node.js index html file</title>
</head>
<body>
    <h1>node.js index html file</h1>
</body>
</html>

寫入檔案 — writefile1.js

var fs = require('fs');
fs.writeFile("writefile1.txt", "Hello!\noutput file\nby Node.js", function(err) {
    if(err) {
        console.log(err);
    } else {
        console.log("The file was saved!");
    }
});

寫入檔案 — writefile2.js

var fs = require('fs');
fs.writeFile("writefile1.txt", "Hello!\noutput file\nby Node.js", function(err) {
    if(err) {
        console.log(err);
    } else {
        console.log("The file was saved!");
    }
});

參考文獻

node.js 檔案讀取 — http://book.nodejs.tw/zh-tw/node_basic.html#id2
http://stackoverflow.com/questions/2496710/nodejs-write-to-file

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page revision: 3, last edited: 02 Aug 2012 02:55

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訊息

讀取檔案

程式：readfile.js

輸入檔：index.html

執行結果

寫入檔案 — writefile1.js

寫入檔案 — writefile2.js

參考文獻

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