1、问题背景
利用readFile方法读取HTML文件,并输出文件内容
2、实现源码
E:>cd E:Program Files
odejs
E:Program Files
odejs>node app.js
<Buffer 3c 21 64 6f 63 74 79 70 65 20 68 74 6d 6c 3e 0d 0a 3c 68 74 6d 6c 20 6c
61 6e 67 3d 22 65 6e 22 3e 0d 0a 20 3c 68 65 61 64 3e 0d 0a 20 20 3c 6d 65 74 ..
. >
E:Program Files
odejs>node app.js
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
</head>
<body>
Hello,World!
</body>
</html>
E:Program Files
odejs>
3、文件内容
(1)app.js
var fs=require('fs');
var data=fs.readFile('hello.html',function(err,data){
if(err)
console.log('读取文件时发生错误!');
else
console.log(data.toString());
});
(2)hello.html
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
</head>
<body>
Hello,World!
</body>
</html>