同意跨域

from bottle import route, run, template, Bottle, response
app = Bottle()
@app.hook('after_request')
def enable_cors():
    response.headers['Access-Control-Allow-Origin'] = '*'
    response.headers['Access-Control-Allow-Methods'] = 'GET, POST, PUT, OPTIONS'
    response.headers['Access-Control-Allow-Headers'] = 'Origin, Accept, Content-Type, X-Requested-With, X-CSRF-Token'