您可以创建要从 HTML 文件调用的 setter 函数以传递参数:
$ tree
.
├── static
│ └── scripts
│ └── test.js
├── templates
│ └── index.html
└── test.py
龙卷风代码:
#!/usr/bin/python
# -*- coding: utf-8 -*-
import os.path
import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
from tornado.options import define, options
define("port", default=8000, help="run on the given port", type=int)
class IndexHandler(tornado.web.RequestHandler):
def get(self):
self.render('index.html', test="Hello, world!")
if __name__ == '__main__':
tornado.options.parse_command_line()
app = tornado.web.Application( handlers=[
(r'/', IndexHandler)],
static_path=os.path.join(os.path.dirname(__file__), "static"),
template_path=os.path.join(os.path.dirname(__file__), "templates"))
http_server = tornado.httpserver.HTTPServer(app)
http_server.listen(options.port)
tornado.ioloop.IOLoop.instance().start()
模板:
<!DOCTYPE html>
<html>
<head>
<title>Test</title>
<script src="{{ static_url('scripts/test.js') }}" type="application/javascript"></script>
</head>
<body>
<input type="button" onclick="show_test()" value="alert" />
<script type="application/javascript">
set_test("{{test}}");
</script>
</body>
</html>
JavaScript 文件:
/* test.js */
var test = ""
function set_test(val)
{
test=val
}
function show_test()
{
alert(test);
}