js代码：
var http = require('http')
var fs = require('fs')
var template =require('art-template')
var comments =[
{
name:'张三',
message:'天气不错',
datatime:'2020-6-24'
},
{
name:'张三1',
message:'天气不错',
datatime:'2020-6-24'
},
{
name:'张三2',
message:'天气不错',
datatime:'2020-6-24'
},
{
name:'张三3',
message:'天气不错',
datatime:'2020-6-24'
}
]
http.createServer(function (req,res) {
var url = req.url
if (url === '/') {
fs.readFile('./public/html/homepage.html',function (err,data) {
if (err) {
return res.end('404 not found')
}
console.log('文件响应成功了！')
//↓渲染页面↓
var newhomepage = template.render = (data.toString(),{
comments:comments
})
res.end(newhomepage)
})
}
}).listen(8081, function () {
console.log('服务器启动了！')
} )
页面代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
*{
margin: 0;
padding: 0;
}
</style>
</head>
<body style="height: 100vh;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;"
>
<h1>欢迎来到留言板主页！</h1>s
<h2><a href="/public/html/write.html">创建留言</a></h2>
<ul>
{{each comments}}
<li>名字：{{ $value.name }} 消息：{{ $value.message }} 日期：{{ $value.datatime }} </li>
{{/each}}
</ul>
</body>
</html>
控制台输出：
[Running] node "d:vscodecodetest
odejs~~~~~~~~留言板2.js"
服务器启动了！
文件响应成功了！
_http_outgoing.js:759
throw new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer'], chunk);
^
TypeError [ERR_INVALID_ARG_TYPE]: The "chunk" argument must be of type string or an instance of Buffer. Received an instance of Object
at ServerResponse.end (_http_outgoing.js:759:13)
at d:vscodecodetest
odejs~~~~~~~~留言板2.js:38:23
at FSReqCallback.readFileAfterClose [as oncomplete] (internal/fs/read_file_context.js:63:3) {
code: 'ERR_INVALID_ARG_TYPE'
}
好像是res.end出了问题，我把end后面括号里面的newhomepage换成一个随意的字符串就可以输出，帮帮孩子吧。_(:з」∠)_
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