Чтение файлов JSON и изменение данных
<html>
<head>
<title>读json文件并修改数据</title>
<meta charset='utf-8' />
<meta name='viewport' content='width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no'/>
<meta http-equiv='X-UA-Compatible' content='IE=edge,chrome=1'/>
</head>
<body>
<script>
window.onload = function () {
var url = "demo.jsonData"
var request = new XMLHttpRequest();
request.open("get", url);
request.send(null);
request.onload = function () {
if (request.status == 200) {
var jsonData = jsonData.parse(request.responseText);
console.log("jsonData文件长度:",jsonData.length);
for(var i=0;i<jsonData.length;i++){
console.log(jsonData[i]);
}
console.log(jsonData.stringify(jsonData));
}
}
}
</script>
</body>
</html>