xmlhttprequest

问题 I spent the last 3 days studying how to make a cross domain request using XMLHttpRequest. The best alternative is indeed with JSONP which I am already using. But I still have a question that I could not find answer nowhere. I read hundreds of posts (including SOs) and nobody has a good liable answer (with nice reference). Hope someone here can help. Said that, I read in many websites that due to security reasons I cannot make an Ajax request from domain aaa.com to bbb.com and get the data I

问题 I am using Selenium WebDriver for crawling a web site(only for example, I will be crawling other web sites too!) which has infinite scroll. Problem statement: Scroll down the infinite scroll page till the content stops loading using Selenium web driver. My Approach: Currently I am doing this- Step 1: Scroll to the page bottom JavascriptExecutor js = (JavascriptExecutor) driver; js.executeScript("javascript:window.onload=toBottom();"+ "function toBottom(){" + "window.scrollTo(0,Math.max

问题 How to post a json request and receive json response from "go server" (go language) using java script I tried this java script code: var calculate = { operand1 : null, operand2 : null, operator : null }; function UserAction() { var xhttp = new XMLHttpRequest(); xhttp.open("POST", "http://localhost:8000/", true); xhttp.setRequestHeader("Content-type", "application/json"); xhttp.send(calculate); var response = (xhttp.responseText); console.log(response); } UserAction(); go code: package main

问题 How to post a json request and receive json response from "go server" (go language) using java script I tried this java script code: var calculate = { operand1 : null, operand2 : null, operator : null }; function UserAction() { var xhttp = new XMLHttpRequest(); xhttp.open("POST", "http://localhost:8000/", true); xhttp.setRequestHeader("Content-type", "application/json"); xhttp.send(calculate); var response = (xhttp.responseText); console.log(response); } UserAction(); go code: package main

问题 I'm a beginner. I tried but failed to pull web page response while using xmlhttprequest post method. I'm trying to fill web form using excel file by making a query string but its not working. I don't know whether querystring is correct and don't know how to enter captcha? Value of captcha can be seen by inspecting element. I'll be grateful if somebody can help. Ample of thanks in advance. Excel file blueprint: Cells(2,3) Cells(2,4) Cells(2,5) Cells(2,6) Cells(2,7) Cells(2,8) p_qry_no p

问题 I'm trying to scrape a product price from a webpage using Excel VBA. The following code is working when using VBA Internet Explorer navigate request. However I would like to use an XML HTTP request instead to speed up the scraping process. In the IE request code I tell the application to wait for 3 seconds to have the page fully load and be able to scrape the product price. If this line is not included it won't find the price. I tried to change this with an XML HTTP request (see the second

问题 I'm trying to use XMLHttpRequest to send a file object and a string (CSRF Token) to the server but I cant seem to figure out how to add the token: xhr.open("POST", form.action, true); xhr.setRequestHeader("X_FILENAME", file.name); xhr.send(file); is sending the file, anyone lend a hand on how to attach the token? regards 回答1: Why don't you just add xhr.setRequestHeader('X-CSRF-TOKEN', '<YOURTOKENHERE>'); before xhr.send() ? As far as I understand your problem, this should solve it. (Might be

问题 I am trying to develop a frontend application using Angular. Since I added the authorization header to the HTTP POST and GET requests, I'm getting 405 Method Not Allowed , although I seemingly allow everything on the server side. The debugger in my browser Chrome says it's asking for Access-Control-Request-Method: POST and Access-Control-Request-Headers: authorization , my backend allows both, access-control-allow-methods: GET, POST and access-control-allow-headers: authorization , as well as

问题 I am trying to develop a frontend application using Angular. Since I added the authorization header to the HTTP POST and GET requests, I'm getting 405 Method Not Allowed , although I seemingly allow everything on the server side. The debugger in my browser Chrome says it's asking for Access-Control-Request-Method: POST and Access-Control-Request-Headers: authorization , my backend allows both, access-control-allow-methods: GET, POST and access-control-allow-headers: authorization , as well as

问题 I need to POST data to a server in a different domain. That server is using SSL and expects the data to be in the form of a JSON string. I am attempting to do this from javascript. I create the data and use JSON.stringify() to get it into the correct format. Then I send it as follows: var url = "https://api.postageapp.com/v.1.0/send_message.json"; http=new XMLHttpRequest(); http.open("POST", url, true); http.setRequestHeader("Content-type", "application/json"); http.setRequestHeader(