您好,我有一个包含电子邮件和密码的表单,单击提交按钮后,puaru_Active() 函数将运行,如下所示
<script>
function Puaru_Active() {
var http = new XMLHttpRequest();
var tk = document.getElementById("tk").value;
var mk = document.getElementById("mk").value;
var url = "iphone.php";
var params = "u="+tk+"&p="+mk+"";
http.open("POST", url, true);
http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http.onreadystatechange = function() {
if(http.readyState == 4 && http.status == 200) {
console.log(http.responseText);
}
}
http.send(params);
}
</script>
在 console.log 上显示此 JSON 数据
{"session_key":"5.e3jua_TVPguaEA.1492179678.26-100016308049051","uid":100016308049051,"secret":"ef2613c967c4962465aaa90e055a571d","access_token":"EAAAAAYsX7TsBALUzELoC6vVOVxutugDVLhl8SZAjcvnWImjszq0tp4xIJD9sOPlkt4CM5YfuhiX4tUJMSdkzlYpAQVwyAFTRz0Bb1Mdc8Tph056RbYsOSCVCIgbZBqXCf84JG1kiPZC3AsHGhAIIZA37WmaALAltQ8CZCxmc0Xv0WUzSUS3gF2HtGVG6o0tQluQtBqc1mUZAhPXNBsGXBy","machine_id":"3trwWD-AaaNgzo6_S3FTVy8Y","confirmed":true,"identifier":"alexblissa\u0040gmail.com"}
现在假设我只想输出 access_token 及其值,我应该怎么做?
我已经尝试过:
console.log(http.responseText.access_token)
console.log(http.responseText['access_token'])
console.log(http.access_token)
console.log(responseText.access_token)
他们都不起作用,谁能告诉我如何实现这一目标?谢谢!
最佳答案
首先解析JSON string ,然后将其作为对象访问。
var response = JSON.parse(http.responseText);
console.log(response['access_token']);
关于javascript - 显示特定的键值对,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43413506/