如何从JavaScript调用REST Web服务API？ [英] How to call a REST web service API from JavaScript?

问题描述

我有一个带有按钮的HTML页面。当我点击那个按钮时，我需要调用Rest Web Service API？我试着在网上搜索。没有任何线索。有人可以给我一个带头人/ Headstart吗？非常感谢

I have a HTML page with a button on it. When I click on that button, I need to call a Rest Web Service API? I tried searching online everywhere. No clue whatsoever. Can someone give me a lead/Headstart on this? Very much appreciated

推荐答案

您的Javascript：

Your Javascript:

function UserAction() {
    var xhttp = new XMLHttpRequest();
    xhttp.open("POST", "Your Rest URL Here", true);
    xhttp.setRequestHeader("Content-type", "application/json");
    xhttp.send();
    var response = JSON.parse(xhttp.responseText);
}

您的按钮操作::

Your Button action::

<button type="submit" onclick="UserAction()">Search</button>

欲了解更多信息，请浏览以下 link （2017/01/11更新）

For more info go through the following link (Updated 2017/01/11)

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