[英]how to get newline from server through ajax as javascript and execute it in client?
[英]How to GET from Python server to Javascript Client?
yo
我已經設置了一個帶有GET請求的Python服務器,該請求似乎可以正常工作,但是由於某種原因,我無法將任何內容發送回請求的客戶端,該客戶端均使用Javascript編碼。
Python服務器:
import time
import BaseHTTPServer
HOST_NAME = 'localhost'
PORT_NUMBER = 8000
class MyHandler(BaseHTTPServer.BaseHTTPRequestHandler):
def do_HEAD(s):
s.send_response(200)
s.send_header("Content-type", "text/html")
s.end_headers()
def do_GET(s):
print "here i am, in python" #this prints, so i know i'm in here
"""Respond to a GET request."""
s.send_response(200)
s.send_header("Content-type", "application/json")
s.send_header("Access-Control-Allow-Origin", "*")
s.send_header("Access-Control-Expose-Headers", "Access-Control-Allow-Origin")
s.send_header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept")
s.end_headers()
s.wfile.write("test1")
return "test2"
# If someone went to "http://something.somewhere.net/foo/bar/",
# then s.path equals "/foo/bar/".
s.wfile.write("<p>You accessed path: %s</p>" % s.path)
s.wfile.write("</body></html>")
if __name__ == '__main__':
server_class = BaseHTTPServer.HTTPServer
httpd = server_class((HOST_NAME, PORT_NUMBER), MyHandler)
print time.asctime(), "Server Starts - %s:%s" % (HOST_NAME, PORT_NUMBER)
try:
httpd.serve_forever()
except KeyboardInterrupt:
pass
httpd.server_close()
print time.asctime(), "Server Stops - %s:%s" % (HOST_NAME, PORT_NUMBER)
Javascript客戶端:
$.ajax({
method: "GET",
url: "http://localhost:8000",
success:function(result){
console.log("success"); //does not print
console.log(result); //does not print
},
failure:function(err){
console.log("couldn't make it"); //does not print
}
});
因此,我要從JS向py發送GET請求,並從服務器獲取一些反饋。 las,除了"here i am, in python"
之外,其他任何地方都不會打印,這表明我在服務器的GET代碼中,但是什么也沒有發回。
有任何想法嗎?
謝謝!
更新
好的,在調整了eton的建議之后,我從成功功能中獲得了“成功”打印。
result
參數也將被打印,但是它為空。
do_GET現在看起來像這樣:
def do_GET(s):
print "here i am, in python"
# """Respond to a GET request."""
s.send_response(200)
s.wfile.write("test1")
s.send_header("Content-type", "text/html")
# s.send_header("Content-type", "application/json")
s.send_header("Access-Control-Allow-Origin", "*")
s.send_header("Access-Control-Expose-Headers", "Access-Control-Allow-Origin")
s.send_header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept")
s.end_headers()
也許我把它歸還錯了嗎? 我不知道。 一直在閱讀文檔和其他帖子,但到目前為止沒有任何結果。
再次感謝
實際上,使用此代碼,JS客戶端將無限期地等待響應。 您需要設置Content-length標頭,以告知JS客戶端何時應停止等待更多字節。
在您的情況下,這轉換為:
self.send_header("Content-Length", str(len('test1')))
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