大家好，我正在创建一个 Covid-19 跟踪器网站，但我正在努力解决此错误：
'语法错误：JSON.parse：第 1 行第 1 列的意外字符 JSON数据' ;
我是Web开发的初学者，所以我不知道出了什么问题，所以任何帮助将不胜感激 我花了很多时间试图找到错误，但失败了。
function geoplugin_countryCode() { /* ?? */ }
let country_list = [
{ name: 'USA', code: 'US' },
{ name: 'Spain', code: 'ES' },
{ name: 'Italy', code: 'IT' },
{ name: 'France', code: 'FR' },
{ name: 'Germany', code: 'DE' },
{ name: 'UK', code: 'GB' },
{ name: 'Turkey', code: 'TR' },
{ name: 'Iran', code: 'IR' },
{ name: 'Russia', code: 'RU' },
{ name: 'Belgium', code: 'BE' },
{ name: 'Brazil', code: 'BR' },
{ name: 'Canada', code: 'CA' },
{ name: 'Netherlands', code: 'NL' },
{ name: 'Switzerland', code: 'CH' },
{ name: 'Portugal', code: 'PT' },
{ name: 'India', code: 'IN' },
{ name: 'Ireland', code: 'IE' },
{ name: 'Austria', code: 'AT' },
{ name: 'Peru', code: 'PE' },
{ name: 'Sweden', code: 'SE' },
{ name: 'Japan', code: 'JP' },
{ name: 'S. Korea', code: 'KR' },
{ name: 'Chile', code: 'CL' },
{ name: 'Saudi Arabia', code: 'SA' },
{ name: 'Poland', code: 'PL' },
{ name: 'Ecuador', code: 'EC' },
{ name: 'Romania', code: 'RO' },
{ name: 'Pakistan', code: 'PK' },
{ name: 'Mexico', code: 'MX' },
{ name: 'Denmark', code: 'DK' },
{ name: 'Norway', code: 'NO' },
{ name: 'UAE', code: 'AE' },
{ name: 'Czechia', code: 'CZ' },
{ name: 'Australia', code: 'AU' },
{ name: 'Singapore', code: 'SG' },
{ name: 'Indonesia', code: 'ID' },
{ name: 'Serbia', code: 'RS' },
{ name: 'Philippines', code: 'PH' },
{ name: 'Ukraine', code: 'UA' },
{ name: 'Qatar', code: 'QA' },
{ name: 'Malaysia', code: 'MY' },
{ name: 'Belarus', code: 'BY' },
{ name: 'Dominican Republic', code: 'DO' },
{ name: 'Panama', code: 'PA' },
{ name: 'Finland', code: 'FI' },
{ name: 'Colombia', code: 'CO' },
{ name: 'Luxembourg', code: 'LU' },
{ name: 'South Africa', code: 'ZA' },
{ name: 'Egypt', code: 'EG' },
{ name: 'Argentina', code: 'AR' },
{ name: 'Morocco', code: 'MA' },
{ name: 'Thailand', code: 'TH' },
{ name: 'Algeria', code: 'DZ' },
{ name: 'Moldova', code: 'MD' },
{ name: 'Bangladesh', code: 'BD' },
{ name: 'Greece', code: 'GR' },
{ name: 'Hungary', code: 'HU' },
{ name: 'Kuwait', code: 'KW' },
{ name: 'Bahrain', code: 'BH' },
{ name: 'Croatia', code: 'HR' },
{ name: 'Iceland', code: 'IS' },
{ name: 'Kazakhstan', code: 'KZ' },
{ name: 'Uzbekistan', code: 'UZ' },
{ name: 'Estonia', code: 'EE' },
{ name: 'Iraq', code: 'IQ' },
{ name: 'New Zealand', code: 'NZ' },
{ name: 'Azerbaijan', code: 'AZ' },
{ name: 'Slovenia', code: 'SI' },
{ name: 'Lithuania', code: 'LT' },
{ name: 'Armenia', code: 'AM' },
{ name: 'Bosnia and Herzegovina', code: 'BA' },
{ name: 'Oman', code: 'OM' },
{ name: 'North Macedonia', code: 'MK' },
{ name: 'Slovakia', code: 'SK' },
{ name: 'Cuba', code: 'CU' },
{ name: 'Hong Kong', code: 'HK' },
{ name: 'Cameroon', code: 'CM' },
{ name: 'Afghanistan', code: 'AF' },
{ name: 'Bulgaria', code: 'BG' },
{ name: 'Tunisia', code: 'TN' },
{ name: 'Ghana', code: 'GH' },
{ name: 'Ivory Coast', code: 'CI' },
{ name: 'Cyprus', code: 'CY' },
{ name: 'Djibouti', code: 'DJ' },
{ name: 'Latvia', code: 'LV' },
{ name: 'Andorra', code: 'AD' },
{ name: 'Lebanon', code: 'LB' },
{ name: 'Costa Rica', code: 'CR' },
{ name: 'Niger', code: 'NE' },
{ name: 'Burkina Faso', code: 'BF' },
{ name: 'Albania', code: 'AL' },
{ name: 'Kyrgyzstan', code: 'KG' },
{ name: 'Nigeria', code: 'NG' },
{ name: 'Bolivia', code: 'BO' },
{ name: 'Guinea', code: 'GN' },
{ name: 'Uruguay', code: 'UY' },
{ name: 'Honduras', code: 'HN' },
{ name: 'San Marino', code: 'SM' },
{ name: 'Palestine', code: 'PS' },
{ name: 'Malta', code: 'MT' },
{ name: 'Taiwan', code: 'TW' },
{ name: 'Jordan', code: 'JO' },
{ name: 'Réunion', code: 'RE' },
{ name: 'Georgia', code: 'GE' },
{ name: 'Senegal', code: 'SN' },
{ name: 'Mauritius', code: 'MU' },
{ name: 'DRC', code: 'CD' },
{ name: 'Montenegro', code: 'ME' },
{ name: 'Isle of Man', code: 'IM' },
{ name: 'Sri Lanka', code: 'LK' },
{ name: 'Mayotte', code: 'YT' },
{ name: 'Kenya', code: 'KE' },
{ name: 'Vietnam', code: 'VN' },
{ name: 'Guatemala', code: 'GT' },
{ name: 'Venezuela', code: 'VE' },
{ name: 'Mali', code: 'ML' },
{ name: 'Paraguay', code: 'PY' },
{ name: 'El Salvador', code: 'SV' },
{ name: 'Jamaica', code: 'JM' },
{ name: 'Tanzania', code: 'TZ' },
{ name: 'Martinique', code: 'MQ' },
{ name: 'Guadeloupe', code: 'GP' },
{ name: 'Rwanda', code: 'RW' },
{ name: 'Congo', code: 'CG' },
{ name: 'Brunei', code: 'BN' },
{ name: 'Somalia', code: 'SO' },
{ name: 'Gibraltar', code: 'GI' },
{ name: 'Cambodia', code: 'KH' },
{ name: 'Madagascar', code: 'MG' },
{ name: 'Trinidad and Tobago', code: 'TT' },
{ name: 'Gabon', code: 'GA' },
{ name: 'Myanmar', code: 'MM' },
{ name: 'Ethiopia', code: 'ET' },
{ name: 'Aruba', code: 'AW' },
{ name: 'French Guiana', code: 'GF' },
{ name: 'Monaco', code: 'MC' },
{ name: 'Bermuda', code: 'BM' },
{ name: 'Togo', code: 'TG' },
{ name: 'Liechtenstein', code: 'LI' },
{ name: 'Equatorial Guinea', code: 'GQ' },
{ name: 'Liberia', code: 'LR' },
{ name: 'Barbados', code: 'BB' },
{ name: 'Sudan', code: 'SD' },
{ name: 'Guyana', code: 'GY' },
{ name: 'Zambia', code: 'ZM' },
{ name: 'Cabo Verde', code: 'CV' },
{ name: 'Cayman Islands', code: 'KY' },
{ name: 'Bahamas', code: 'BS' },
{ name: 'French Polynesia', code: 'PF' },
{ name: 'Uganda', code: 'UG' },
{ name: 'Maldives', code: 'MV' },
{ name: 'Libya', code: 'LY' },
{ name: 'Guinea-Bissau', code: 'GW' },
{ name: 'Macao', code: 'MO' },
{ name: 'Haiti', code: 'HT' },
{ name: 'Syria', code: 'SY' },
{ name: 'Eritrea', code: 'ER' },
{ name: 'Mozambique', code: 'MZ' },
{ name: 'Saint Martin', code: 'MF' },
{ name: 'Benin', code: 'BJ' },
{ name: 'Chad', code: 'TD' },
{ name: 'Mongolia', code: 'MN' },
{ name: 'Nepal', code: 'NP' },
{ name: 'Sierra Leone', code: 'SL' },
{ name: 'Zimbabwe', code: 'ZW' },
{ name: 'Angola', code: 'AO' },
{ name: 'Antigua and Barbuda', code: 'AG' },
{ name: 'Eswatini', code: 'SZ' },
{ name: 'Botswana', code: 'BW' },
{ name: 'Timor-Leste', code: 'TL' },
{ name: 'Belize', code: 'BZ' },
{ name: 'New Caledonia', code: 'NC' },
{ name: 'Malawi', code: 'MW' },
{ name: 'Fiji', code: 'FJ' },
{ name: 'Dominica', code: 'DM' },
{ name: 'Namibia', code: 'NA' },
{ name: 'Saint Lucia', code: 'LC' },
{ name: 'Grenada', code: 'GD' },
{ name: 'Saint Kitts and Nevis', code: 'KN' },
{ name: 'CAR', code: 'CF' },
{ name: 'St. Vincent Grenadines', code: 'VC' },
{ name: 'Turks and Caicos', code: 'TC' },
{ name: 'Falkland Islands', code: 'FK' },
{ name: 'Greenland', code: 'GL' },
{ name: 'Montserrat', code: 'MS' },
{ name: 'Seychelles', code: 'SC' },
{ name: 'Suriname', code: 'SR' },
{ name: 'Nicaragua', code: 'NI' },
{ name: 'Gambia', code: 'GM' },
{ name: 'Vatican City', code: 'VA' },
{ name: 'Mauritania', code: 'MR' },
{ name: 'Papua New Guinea', code: 'PG' },
{ name: 'St. Barth', code: 'BL' },
{ name: 'Burundi', code: 'BI' },
{ name: 'Bhutan', code: 'BT' },
{ name: 'Caribbean Netherlands', code: 'BQ' },
{ name: 'British Virgin Islands', code: 'VG' },
{ name: 'Sao Tome and Principe', code: 'ST' },
{ name: 'South Sudan', code: 'SD' },
{ name: 'Anguilla', code: 'AI' },
{ name: 'Saint Pierre Miquelon', code: 'PM' },
{ name: 'Yemen', code: 'YE' },
{ name: 'China', code: 'CN' }
];
const country_name_element = document.querySelector(".country .name");
const total_cases_element = document.querySelector(".total-cases .value");
const new_cases_element = document.querySelector(".total-cases .new-value");
const recovered_element = document.querySelector(".recovered .value");
const new_recovered_element = document.querySelector(".recovered .new-value");
const deaths_element = document.querySelector(".deaths .value");
const new_deaths_element = document.querySelector(".deaths .new-value");
const ctx = document.getElementById("axes_line_chart").getContext("2d");
let app_data = [],
cases_list = [],
recovered_list = [],
deaths_list = [],
deaths = [],
formatedDates = [];
let country_code = geoplugin_countryCode();
let user_country;
country_list.forEach( country => {
if( country.code == country_code ){
user_country = country.name;
}
});
function fetchData(user_country){
country_name_element.innerHTML = "Loading...";
cases_list = [], recovered_list =[], deaths_list = [], dates = [], formatedDates = [];
fetch(`https://covid19-monitor-pro.p.rapidapi.com/coronavirus/cases_by_days_by_country.php?country=${user_country}`, {
"method": "GET",
"headers": {
"x-rapidapi-host": "covid19-monitor-pro.p.rapidapi.com",
"x-rapidapi-key": "7e269ec140msh8a5df9cfc21b4b4p1c1e3ejsn9aba26afc6e0"
}
})
.then( response => {
return response.json();
})
.then( data => {
dates = Object.keys(data);
dates.forEach( date => {
let DATA = data[date];
formatedDates.push(formatDate(date));
app_data.push(DATA);
cases_list.push(parseInt(DATA.total_cases.replace(/,/g, "")));
recovered_list.push(parseInt(DATA.total_recovered.replace(/,/g, "")));
deaths_list.push(parseInt(DATA.total_deaths.replace(/,/g, "")));
})
})
.then( () => {
updateUI();
})
.catch( error => {
alert(error);
})
}
fetchData(user_country);
function updateUI(){
updateStats();
axesLinearChart();
}
function updateStats(){
let last_entry = app_data[app_data.length - 1];
let before_last_entry = app_data[app_data.length - 2];
country_name_element.innerHTML = last_entry.country_name;
total_cases_element.innerHTML = last_entry.total_cases || 0;
new_cases_element.innerHTML = `+${last_entry.new_cases || 0 }`;
recovered_element.innerHTML = last_entry.total_recovered || 0;
new_recovered_element.innerHTML = `+${parseInt(last_entry.total_recovered.replace(/,/g, "")) - parseInt(before_last_entry.total_recovered.replace(/,/g, ""))}`;
deaths_element.innerHTML = last_entry.total_deaths;
new_deaths_element.innerHTML = `+${last_entry.new_deaths || 0}`;
}
let my_chart;
function axesLinearChart(){
if(my_chart){
my_chart.destroy();
}
my_chart = new Chart(ctx, {
type: 'line',
data: {
datasets: [{
label: 'Cases',
data: cases_list,
fill : false,
borderColor : '#FFF',
backgroundColor: '#FFF',
borderWidth : 1
},{
label: 'Recovered',
data: recovered_list,
fill : false,
borderColor : '#009688',
backgroundColor: '#009688',
borderWidth : 1
},{
label: 'Deaths',
data: deaths_list,
fill : false,
borderColor : '#f44336',
backgroundColor: '#f44336',
borderWidth : 1
}],
labels: formatedDates
},
options: {
responsive : true,
maintainAspectRatio : false
}
});
}
// FORMAT DATES
const monthsNames = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
function formatDate(dateString){
let date = new Date(dateString);
return `${date.getDate()} ${monthsNames[date.getMonth()]}`;
}
// SELECT SEARCH COUNTRY ELEMENTS
const search_country_element = document.querySelector(".search-country");
const country_list_element = document.querySelector(".country-list");
const chang_country_btn = document.querySelector(".change-country");
const close_list_btn = document.querySelector(".close");
const input = document.getElementById('search-input')
// CREATE TE COUNTRY LIST
function createCountryList(){
const num_countries = country_list.length;
let i = 0, ul_list_id;
country_list.forEach( (country, index) => {
if( index % Math.ceil(num_countries/num_of_ul_lists) == 0){
ul_list_id = `list-${i}`;
country_list_element.innerHTML += `<ul id='${ul_list_id}'></ul>`;
i++;
}
document.getElementById(`${ul_list_id}`).innerHTML += `
<li onclick="fetchData('${country.name}')" id="${country.name}">
${country.name}
</li>
`;
})
}
let num_of_ul_lists = 3;
createCountryList();
chang_country_btn.addEventListener("click", function(){
input.value = "";
resetCountryList();
search_country_element.classList.toggle("hide");
search_country_element.classList.add("fadeIn");
});
close_list_btn.addEventListener("click", function(){
search_country_element.classList.toggle("hide");
});
country_list_element.addEventListener("click", function(){
search_country_element.classList.toggle("hide");
});
input.addEventListener("input", function(){
let value = input.value.toUpperCase();
country_list.forEach( country => {
if( country.name.toUpperCase().startsWith(value)){
document.getElementById(country.name).classList.remove("hide");
}else{
document.getElementById(country.name).classList.add("hide");
}
})
})
function resetCountryList(){
country_list.forEach( country => {
document.getElementById(country.name).classList.remove("hide");
})
}<head>
<link href="https://fonts.googleapis.com/css?family=Oswald&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Quicksand&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Advent+Pro|Montserrat|Poiret+One&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Heebo:wght@500&family=Oswald&display=swap" rel="stylesheet">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="./resources/css/style.css">
<link href="https://fonts.googleapis.com/css?family=Montserrat&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Advent+Pro|Montserrat&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Advent+Pro|Montserrat|Poiret+One&display=swap" rel="stylesheet">
<script src="jquery-3.4.1.min.js"></script>
<link href="https://fonts.googleapis.com/css?family=Josefin+Slab&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Quicksand&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Raleway|Bangers" rel="stylesheet">
<title>COVID-19-LIVE-INFORMATIVE-WEBSITE</title>
</head>
<body>
<div class="back">
<header>
<div class="logo">
<img src="icon5.jpg" alt="">
<p>COVID-19 GLOBAL<br/>STATISTICS</p>
</div>
<nav>
<ul>
<li><a href="index.html">HOME</a></li>
<li><a href="./resources/loginpage/about.html">ABOUT</a></li>
<li><a href="#News">NEWS</a></li>
<li><a href="./resources/loginpage/login.html">LOGIN</a></li>
<li><a href="./resources/loginpage/register.html">REGISTER</a></li>
</ul>
</nav>
</header>
<main>
<div class="stats">
<div class="latest-report">
<div class="country">
<div class="name">Loading...</div>
<div class="change-country">Change Country</div>
<div class="search-country hide">
<div class="search-box">
<input type="text" id="search-input" placeholder="Search Country...">
<img class="close" src="./resources/img/close.svg" alt="">
</div>
<div class="country-list">
</div>
</div>
</div>
<div class="total-cases">
<div class="title">Total Cases</div>
<div class="value">0</div>
<div class="new-value">+0</div>
</div>
<div class="recovered">
<div class="title">Recovered</div>
<div class="value">0</div>
<div class="new-value">+0</div>
</div>
<div class="deaths">
<div class="title">Deaths</div>
<div class="value">0</div>
<div class="new-value">+0</div>
</div>
</div>
<div class="chart">
<canvas id="axes_line_chart"></canvas>
</div>
</div>
</main>
</div>
<hr>
<a name="News"></a>
<div class= news>
<div class="back2">
<div class="tit">
News
</div>
<br>
<div class="newscontent">
Be well-aware of all Covid-19 related news form all around the globe. Below are the latest news report from India.
</div>
<br>
<div class="row">
<div class="column">
<a href="https://indianexpress.com/article/cities/bangalore/karnataka-bangalore-coronavirus-covid-19-lockdown-5-0-news-live-updates-party-meet-yediyurappa-live-6476882/">
<img src="new3.PNG" alt="Snow" style="width:60%">
</a>
</div>
<div class="column">
<a href="https://www.thequint.com/news/india/coronavirus-covid-19-lockdown-live-updates-26-june">
<img src="new2.PNG" alt="Forest" style="width:60%">
</a>
</div>
<div class="column">
<a href="https://www.hindustantimes.com/india-news/how-delhi-crossed-mumbai-in-grim-covid-19-milestone/story-bi0JcuSTgceeuS6FowG5WP.html">
<img src="new1.PNG" alt="Mountains" style="width:60%">
</a>
</div>
</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.9.3/Chart.min.js" integrity="sha256-R4pqcOYV8lt7snxMQO/HSbVCFRPMdrhAFMH+vr9giYI=" crossorigin="anonymous"></script>
<script language="JavaScript" src="http://www.geoplugin.net/javascript.gp" type="text/javascript"></script>
<script src="resources/js/countries.js"></script>
<script src="resources/js/app.js"></script>
</body>在您尝试之前response.json，您能否将返回的数据记录在控制台上并让我们了解它的外观？看起来它不是一个有效的 JSON。
另外，我已经检查了这个API。似乎响应有问题。
https://rapidapi.com/astsiatsko/api/covid19-monitor-pro/discussions/17563