通过此代码得到的结果是
我想在“星期一”，“星期二”，“星期三”，“星期四”，“星期五”，“星期六”，“星期日”中显示“ Y”或“ N”
无法从json数据中获取“运行”值。我使用user.days来获取'run'的值，但是它不起作用。请告诉我正确的代码写在那里。
json数据为：
{
"total": 6,
"response_code": 200,
"trains": [{
"to_station": {
"code": "JAT",
"lat": 32.7058783,
"name": "JAMMU TAWI",
"lng": 74.8798454
},
"dest_arrival_time": "12:35",
"from_station": {
"code": "GKP",
"lat": 29.4438165,
"name": "GORAKHPUR",
"lng": 75.67026469999999
},
"number": "15097",
"classes": [{
"name": "FIRST CLASS",
"code": "FC"
}, {
"name": "THIRD AC",
"code": "3A"
}, {
"name": "3rd AC ECONOMY",
"code": "3E"
},
{
"name": "SLEEPER CLASS",
"code": "SL"
}, {
"name": "FIRST AC",
"code": "1A"
}, {
"name": "SECOND AC",
"code": "2A"
}, {
"name": "SECOND SEATING",
"code": "2S"
}, {
"name": "AC CHAIR CAR",
"code": "CC"
}
],
"travel_time": "46:35",
"name": "AMARNATH EXP",
"src_departure_time": "14:00",
"days": [{
"runs": "N",
"code": "MON"
}, {
"runs": "N",
"code": "TUE"
}, {
"runs": "FRI"
}, {
"runs": "N",
"code": "SAT"
}, {
"runs": "N",
"code": "SUN"
}]
},
{
"to_station": {
"code": "JAT",
"lat": 32.7058783,
"name": "JAMMU TAWI",
"lng": 74.8798454
},
"dest_arrival_time": "12:35",
"from_station": {
"code": "GKP",
"lat": 29.4438165,
"name": "GORAKHPUR",
"lng": 75.67026469999999
},
"number": "15651",
"classes": [{
"name": "FIRST CLASS",
"code": "FC"
}, {
"name": "THIRD AC",
"code": "3A"
}, {
"name": "3rd AC ECONOMY",
"code": "3E"
}, {
"name": "SLEEPER CLASS",
"code": "SL"
}, {
"name": "FIRST AC",
"code": "1A"
}, {
"name": "SECOND AC",
"code": "2A"
}, {
"name": "SECOND SEATING",
"code": "2S"
}, {
"name": "AC CHAIR CAR",
"code": "CC"
}],
"travel_time": "46:35",
"name": "GHY-JAT LOHIT EXPRESS",
"src_departure_time": "14:00",
"days": [{
"runs": "Y",
"code": "MON"
}, {
"runs": "N",
"code": "TUE"
}, {
"runs": "N",
"code": "WED"
}, {
"runs": "N",
"code": "THU"
}, {
"runs": "N",
"code": "FRI"
}, {
"runs": "N",
"code": "SAT"
}, {
"runs": "N",
"code": "SUN"
}]
}, {
"to_station": {
"code": "JAT",
"lat": 32.7058783,
"name": "JAMMU TAWI",
"lng": 74.8798454
},
"dest_arrival_time": "13:40",
"from_station": {
"code": "GKP",
"lat": 29.4438165,
"name": "GORAKHPUR",
"lng": 75.67026469999999
},
"number": "15655",
"classes": [{
"name": "FIRST CLASS",
"code": "FC"
}, {
"name": "THIRD AC",
"code": "3A"
}, {
"name": "3rd AC ECONOMY",
"code": "3E"
}, {
"name": "SLEEPER CLASS",
"code": "SL"
}, {
"name": "FIRST AC",
"code": "1A"
}, {
"name": "SECOND AC",
"code": "2A"
}, {
"name": "SECOND SEATING",
"code": "2S"
}, {
"name": "AC CHAIR CAR",
"code": "CC"
}],
"travel_time": "47:00",
"name": "KYQ - SVDK EXPRESS",
"src_departure_time": "14:40",
"days": [{
"runs": "N",
"code": "MON"
}, {
"runs": "N",
"code": "TUE"
}, {
"runs": "N",
"code": "WED"
}, {
"runs": "N",
"code": "THU"
}, {
"runs": "N",
"code": "FRI"
}, {
"runs": "N",
"code": "SAT"
}, {
"runs": "Y",
"code": "SUN"
}]
}, {
"to_station": {
"code": "JAT",
"lat": 32.7058783,
"name": "JAMMU TAWI",
"lng": 74.8798454
},
"dest_arrival_time": "11:50",
"from_station": {
"code": "GKP",
"lat": 29.4438165,
"name": "GORAKHPUR",
"lng": 75.67026469999999
},
"number": "12491",
"classes": [{
"name": "FIRST CLASS",
"code": "FC"
}, {
"name": "THIRD AC",
"code": "3A"
}, {
"name": "3rd AC ECONOMY",
"code": "3E"
}, {
"name": "SLEEPER CLASS",
"code": "SL"
}, {
"name": "FIRST AC",
"code": "1A"
}, {
"name": "SECOND AC",
"code": "2A"
}, {
"name": "SECOND SEATING",
"code": "2S"
}, {
"name": "AC CHAIR CAR",
"code": "CC"
}],
"travel_time": "21:50",
"name": "MOURDHWAJ EXPRESS",
"src_departure_time": "14:00",
"days": [{
"runs": "N",
"code": "MON"
}, {
"runs": "N",
"code": "TUE"
}, {
"runs": "N",
"code": "WED"
}, {
"runs": "N",
"code": "THU"
}, {
"runs": "N",
"code": "FRI"
}, {
"runs": "N",
"code": "SAT"
}, {
"runs": "Y",
"code": "SUN"
}]
}, {
"to_station": {
"code": "JAT",
"lat": 32.7058783,
"name": "JAMMU TAWI",
"lng": 74.8798454
},
"dest_arrival_time": "12:35",
"from_station": {
"code": "GKP",
"lat": 29.4438165,
"name": "GORAKHPUR",
"lng": 75.67026469999999
},
"number": "12587",
"classes": [{
"name": "FIRST CLASS",
"code": "FC"
}, {
"name": "THIRD AC",
"code": "3A"
}, {
"name": "3rd AC ECONOMY",
"code": "3E"
}, {
"name": "SLEEPER CLASS",
"code": "SL"
}, {
"name": "FIRST AC",
"code": "1A"
}, {
"name": "SECOND AC",
"code": "2A"
}, {
"name": "SECOND SEATING",
"code": "2S"
}, {
"name": "AC CHAIR CAR",
"code": "CC"
}],
"travel_time": "22:15",
"name": "AMAR NATH EXP",
"src_departure_time": "14:20",
"days": [{
"runs": "Y",
"code": "MON"
}, {
"runs": "N",
"code": "TUE"
}, {
"runs": "N",
"code": "WED"
}, {
"runs": "N",
"code": "THU"
}, {
"runs": "N",
"code": "FRI"
}, {
"runs": "N",
"code": "SAT"
}, {
"runs": "N",
"code": "SUN"
}]
}, {
"to_station": {
"code": "JAT",
"lat": 32.7058783,
"name": "JAMMU TAWI",
"lng": 74.8798454
},
"dest_arrival_time": "12:35",
"from_station": {
"code": "GKP",
"lat": 29.4438165,
"name": "GORAKHPUR",
"lng": 75.67026469999999
},
"number": "15653",
"classes": [{
"name": "FIRST CLASS",
"code": "FC"
}, {
"name": "THIRD AC",
"code": "3A"
}, {
"name": "3rd AC ECONOMY",
"code": "3E"
}, {
"name": "SLEEPER CLASS",
"code": "SL"
}, {
"name": "FIRST AC",
"code": "1A"
}, {
"name": "SECOND AC",
"code": "2A"
}, {
"name": "SECOND SEATING",
"code": "2S"
}, {
"name": "AC CHAIR CAR",
"code": "CC"
}],
"travel_time": "46:35",
"name": "AMARNATH EXPRESS",
"src_departure_time": "14:00",
"days": [{
"runs": "N",
"code": "MON"
}, {
"runs": "N",
"code": "TUE"
}, {
"runs": "Y",
"code": "WED"
}, {
"runs": "N",
"code": "THU"
}, {
"runs": "N",
"code": "FRI"
}, {
"runs": "N",
"code": "SAT"
}, {
"runs": "N",
"code": "SUN"
}]
}
],
"debit": 1
}
<html>
<head>
<title>train api</title>
</head>
<body>
<h1>Users List</h1>
<table id="users-list">
<thead>
<tr>
<th>From</th>
<th>To</th>
<th>Train Name</th>
<th>train No.</th>
<th>Departure Time</th>
<th>Arival Time</th>
<th>Travel Time</th>
<th>Mon</th>
<th>Tue</th>
<th>Wed</th>
<th>Thu</th>
<th>Fri</th>
<th>Sat</th>
<th>Sun</th>
<th>Name</th>
</tr>
</thead>
<tbody>
<!-- load users here -->
</tbody>
</table>
<script>
window.onload = () => {
const SERVER_URL = 'https://api.railwayapi.com/v2/between/source/gkp/dest/jat/date/06-06-2019/apikey/--------/';
// get table element
const table = document.querySelector('#users-list');
// call API using `fetch`
fetch(SERVER_URL)
.then(res => res.json())
.then(res => {
// loop over all users
res.trains.map(user => {
// create a `tr` element
const tr = document.createElement('tr');
// create from station `td`
const frSt = document.createElement('td');
frSt.textContent = user.from_station.name;
// create To station `td`
const toSt = document.createElement('td');
toSt.textContent = user.to_station.name;
// create Train Name `td`
const trNm = document.createElement('td');
trNm.textContent = user.name;
// create train no. `td`
const idTd = document.createElement('td');
idTd.textContent = user.number;
// create Departure time `td`
const deTm = document.createElement('td');
deTm.textContent = user.src_departure_time;
// create Arival time `td`
const arTm = document.createElement('td');
arTm.textContent = user.dest_arrival_time;
// create Travel time `td`
const trTm = document.createElement('td');
trTm.textContent = user.travel_time;
// create Mon `td`
const mon = document.createElement('td');
mon.textContent = user.days;
// create Name `td`
const nameTd = document.createElement('td');
nameTd.textContent = `${user.first_name} ${user.last_name}`;
//create email `td`
const emailTd = document.createElement('td');
emailTd.textContent = user.email;
// add tds to tr
tr.appendChild(frSt);
tr.appendChild(toSt);
tr.appendChild(trNm);
tr.appendChild(idTd);
tr.appendChild(deTm);
tr.appendChild(arTm);
tr.appendChild(trTm);
tr.appendChild(mon);
tr.appendChild(nameTd);
tr.appendChild(emailTd)
// app tr to table
table.querySelector('tbody').appendChild(tr);
});
})
.catch(err => console.log('Error:', err));
};
</script>
</body>
</html>
答案 0 :(得分：0)
谈到几天，你应该写这样的东西，
user.days.forEach(day => {
let day1 = document.createElement('td');
day1.textContent = day.runs;
});