[英]Javascript: Parse string array into object with custom key names and values
So I have a string which contains a list of custom http headers that is in the following format: 因此,我有一个包含以下格式的自定义http标头列表的字符串:
var headers = "Referer=SomeValue|User-Agent=SomeUserAgent";
I split that up using the pipe as a delimiter: 我使用管道作为分隔符将其拆分:
var splitHeaders = headers.split("|");
I'm left with an array which I can loop through, and I'm trying to convert that string array into an object. 我剩下一个可以循环通过的数组,并且我正在尝试将该字符串数组转换为对象。 This is what I have so far: 这是我到目前为止的内容:
var customHeaders = {};
for (var i in splitHeaders) {
var data = splitHeaders[i].split("=");
customHeaders[data[0]] = data[1];
}
What I'm essentially trying to create is an object called customHeaders to hold values like: 我实际上试图创建的是一个名为customHeaders的对象,用于保存类似以下内容的值:
customHeaders = {
"Referer":"https://someurl.com/",
"User-Agent":"Some Browser"
};
Am I doing something wrong? 难道我做错了什么?
You are on the right track. 您走在正确的轨道上。 Use a more standard form of the for loop using the length of the splitHeaders
as a limiter: 使用更标准的for循环形式,使用splitHeaders
的长度作为限制器:
for (var i = 0; i < splitHeaders.length; i++) {
Working example: 工作示例:
var headers = "Referer=SomeValue|User-Agent=SomeUserAgent"; var splitHeaders = headers.split('|'); var customHeaders = {}; for (var i = 0; i < splitHeaders.length; i++) { var data = splitHeaders[i].split("="); customHeaders[data[0]] = data[1]; } console.log(customHeaders);
There are also other methods you can use that allow you to convert an array of items into an object, using such as reduce . 您还可以使用其他方法,例如使用reduce ,将项目数组转换为对象。
var headers = "Referer=SomeValue|User-Agent=SomeUserAgent"; headers = headers .split('|') .reduce(function(obj, val) { var split = val.split('='); obj[split[0]] = split[1]; return obj; }, {}); console.log(headers);
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