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[英]JQuery Ajax Post cannot send data (json) to express.js server
[英]Express.js send data to view not sent, What went wrong
我想將我的產品數組傳遞到html頁面。
app.get("/", function(req, res){
res.render(__dirname+ "/product.html",{data: Product_Array_fromDatabase});
})
在HTML頁面的客戶端,我試圖查看/將其循環
<script type="text/javascript">
var data = JSON.stringify(data);
alert(data) // Says Undefined
</script>
我沒有得到數據的價值? 有什么幫助嗎?
js我制作了ejs來呈現數據,並使用jquery ajax將數據發送到頁面並警告它可能對您有用
hello.js
var express = require('express');
var app = express();
var engine = require('ejs-locals');
app.engine('ejs', engine);
app.set('view engine', 'ejs');
app.set('views', __dirname + '/views');
app.get('/', function(req, res){
res.render('index',{user:"John Smith"})
});
app.get('/helo', function(req, res){
res.send({'data':'hello'});
});
var server = app.listen(3000, function () {
var host = server.address().address;
var port = server.address().port;
console.log('Example app listening at http://%s:%s', host, port);
});
目錄中的index.ejs稱為views ---路徑appname / views / index.ejs
<!DOCTYPE html>
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function(){
$.get("/helo", function(data, status){
console.log(data);
var result = data
alert(result['data'])
});
});
});
</script>
</head>
<body>
welcome <%= user%><br>
<button>Send an HTTP GET request to a page and get the result back</button>
</body>
</html>
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