我正在使用node.js,express,jade和socket.io,我可以在jade端运行javascript代码,但是我无法生成来自脚本的html。块
我必须根据您的输入更新我的问题。以下是文件:
server.js
app.get('/', function (req, res) {
res.sendfile(__dirname + '/index.html');
});
io.on('connection', function (socket) {
socket.emit('news', { hello: res}); // res is the reponse object
socket.on('my other event', function (res) {
console.log("socket.io connected and data sent to jade");
});
});
layout.jade:
doctype html
html
head
title= title
script(src='components/jquery/dist/jquery.min.js')
script(type='text/javascript' src='https://cdn.socket.io/socket.io-1.0.6.js')
script(type='text/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/jade/1.11.0/jade.min.js')
script(type='text/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/jade/1.11.0/runtime.min.js')
script.
var socket = io.connect('http://localhost:8898/');
socket.on('news', function (data) {
var photo = data.hello.data[0].images.original.url;
});
body
block content
img(src="#{photo}") // <--- issue here, creates "undefined" image
index.jade:
extends layout.jade
img(src="#{photo}") // my problem is here, creating <undefined> tags in html
答案 0 :(得分:0)
您可以删除现有的组件内容,然后在jQuery AJAX回调中使用jQuery重新渲染。像...这样的东西。
玉:
标签#数据
后:
脚本。
var socket = io.connect('http://localhost:8898/');
socket.on('news', function (data) {
$('#data').text('');
$('#data').text(data);
});
答案 1 :(得分:0)
可能有点太明显但是从那个例子开始,但我认为脚本标签内的JS块需要缩进。虽然
,但是Haven还是能够测试一下script.
var socket = io.connect('http://localhost:8898/');
socket.on('news', function (data) {
console.log("socket.io.on data reaching jade");
console.log(data); // prints fine, but to console only.
socket.emit('my other event', { my: data });
});
答案 2 :(得分:0)
由于您是从layout.jade扩展而index.jade是您的子模板。你不需要声明html是你的阻止内容吗?像这样:
extends layout
block content
#{data} // my problem is here, creating <undefined> tags in html
p #{data.stuff}
img(src="images/bird.jpg") // works