透過Javascript實做Http 呼叫Api var xhr = new XMLHttpRequest(); xhr.open('GET', "http://localhost:25959/api/login?Acc=123123&Pw=AA", true); xhr.send(); xhr.onreadystatechange = processRequest; function processRequest(e) { if (xhr.readyState == 4 && xhr.status == 200) { var response = JSON.parse(xhr.responseText); console.log(response.Acc); } } readyState定義 Value State Description 0 UNSENT The open method hasn't been called yet 1 OPENED The send method has been called 2 HEADERS_RECEIVED The send method has been called and the HTTP request has returned the status and headers 3 LOADING The HTTP request response is being downloaded 4 DONE Everything has completed 文章: https://www.kirupa.com/html5/making_http_requests_js.htm
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