问题描述
我正在尝试使用来自 Postgres 的数据填充 DataTables 行。到目前为止,这是我的 JavaScript 和 HTML 文件。但我收到错误“加载资源失败:服务器响应状态为 404(未找到)”。关于为什么浏览器无法获取文件的任何建议?我在 NodeJS 中使用 express。
var express = require('express');
var postgres = require('./postgres')
var app = express();
app.use(express.static(__dirname + '/public'));
const result = postgres.migration();
console.log(result)
var port = 8000;
app.listen(port);
console.log('server on' + port);
const pg = require('pg');
const cs = 'postgres://postgres:123456@localhost:5432/lsef';
const client = new pg.Client(cs);
client.connect();
const query = {
text: 'SELECT * FROM profile',rowMode: 'array'
};
client.query(query).then(res => {
const data = res.rows;
console.log(data);
return data
// data.forEach(row => {
// console.log(`Id: ${row[0]} Name: ${row[1]} Age: ${row[2]} Contact: ${row[3]}`);
// })
}).finally(() => {
client.end()
});
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.23/css/jquery.dataTables.min.css">
<script type="text/javascript" charset="utf8" src="https://code.jquery.com/jquery-3.5.1.js"></script>
<script type="text/javascript" charset="utf8" src="https://cdn.datatables.net/1.10.23/js/jquery.dataTables.min.js"></script>
</head>
<body>
<div class="container" >
<table border="1px solid black" id="example">
<thead>
<th>ID</th>
<th>Name</th>
<th>Email</th>
<th>Contact</th>
</thead>
<tbody style=text-align:center>
<script>
$(document).ready(function(){
$("#example").DataTable({
"ajax":{
'url':'getData.js','type':'POST',"dataSrc":"",},"columns": [
{ "data": 'id'},{ "data": "name" },{ "data": "email" },{ "data": "contact" }
],"pagingType":"full_numbers","dom" : "fltip","stateSave":true,"lengthMenu" : [[5,10,15,-1],[5,'ALL']],"order":[[0,"asc"]],});
});
</script>
</tbody>
</table>
</div>
</body>
</html>
解决方法
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