我如何阅读这些json数据?
问题描述:
我知道这听起来很荒谬,但我一直在试图读取从谷歌地图API的这些JSON数据,但似乎都没有它的工作原理我如何阅读这些json数据?
下面的代码
app.get('/distance', function(req, res, next) {
request('https://maps.googleapis.com/maps/api/distancematrix/json?origins=Seattle&destinations=San+Francisco&key=' + config.GOOGLE_DISTANCE_API, function (error, response, body) {
if (!error && response.statusCode == 200) {
console.log(body)
}
});
});
体将返回该数据
{
"destination_addresses" : [ "New York, NY, USA" ],
"origin_addresses" : [ "Washington, DC, USA" ],
"rows" : [
{
"elements" : [
{
"distance" : {
"text" : "225 mi",
"value" : 361715
},
"duration" : {
"text" : "3 hours 49 mins",
"value" : 13725
},
"status" : "OK"
}
]
}
],
"status" : "OK"
}
当我尝试CONSOLE.LOG body.destination_addresses
和以及body.rows
,这一切显示了不确定的。我如何访问它?
答
正如西蒙所说。您还可以在请求调用中设置一个选项对象,其中{ json: true }
和响应正文将被自动解析为json
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse – Quentin