// XMLHttpRequest()
function F_httprequest() {
let req = new XMLHttpRequest();
let url = '/' + CSVFile + '?key=' + Math.floor(Math.random() * (1 - 100) + 100);
req.onreadystatechange = function () {
if (req.readyState == 4 && req.status == 200) {
let ajaxText = req.responseText;
F_create_master(ajaxText);
F_read_ajax(ajaxText);
}
}
req.open("GET", url, true);
req.send(null);
}
// fetch()
async function testFetch() {
let pim = fetch('/' + CSVFile + '?key=' + Math.floor(Math.random() * (1 - 100) + 100));
pim.then(function (msg) {
msg.text().then(function (ajaxText) {
console.log(TAGLine, 'step1');
F_create_master(ajaxText);
F_read_ajax(ajaxText);
}).then(function () {
console.log(TAGLine, 'step2');
}).catch(function () {
console.log(TAGLine, 'catch');
})
}).catch(function (e) {
console.log(TAGLine, 'URLerror');
console.log(e);
})
}
// fetch() async await
async function testFetch() {
let url = '/' + CSVFile + '?key=' + Math.floor(Math.random() * (1 - 100) + 100);
let opt = {
method: 'GET',
headers: {
// "Content-type": "application/x-www-form-urlencoded; charset=UTF-8",
},
// body: 'key=8080',
};
try {
let pri = await fetch(url, opt);
pri.headers.forEach(function (value, key) {
console.log(key, value);
// content - length 20949
// content-type text/csv
// date Fri, 05 Mar 2021 17:36:09 GMT
// last-modified Fri, 05 Mar 2021 16:02:52 GMT
// server SimpleHTTP/0.6 Python/3.9.0
})
let csvt = await pri.text();
F_create_master(csvt);
F_read_ajax(csvt);
} catch (error) {
console.log('error');
}
}