<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<script src="https://unpkg.com/xlsx/dist/xlsx.full.min.js"></script>
<title>Document</title>
</head>
<body>
<div>
<input type="file" id="files"/>
<button onclick="jsonToExcel()">导出为Excel</button>
</div>
<script>
var json;
var filename='demo';
var inputElement = document.getElementById("files");
inputElement.addEventListener("change", handleFiles, false);
function handleFiles() {
var selectedFile = document.getElementById("files").files[0];
filename=selectedFile.name.split(".")[0];
console.log(filename)
var reader = new FileReader();
reader.readAsText(selectedFile,"UTF-8");
reader.onload = function(){
json = JSON.parse(this.result);
};
}
function jsonToExcel () {
var filename1 = filename+"_trade.xlsx";
var ws_name = "SheetJS";
var wb = XLSX.utils.book_new();
var ws = XLSX.utils.json_to_sheet(json,{ raw: true });
XLSX.utils.book_append_sheet(wb, ws, ws_name);
XLSX.writeFile(wb, filename1);
}
</script>
</body>
</html>
样例文件名: de.json 转化结果为de.excel