導出demo

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>事件</title>
</head>
<body>
    <div id='root'>
       
    </div>
    <script>
        function fakeClick(obj) {
            var ev = document.createEvent("MouseEvents");
            ev.initMouseEvent("click", true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
            obj.dispatchEvent(ev);
        }
  
            function exportRaw(name, data) {
                var urlObject = window.URL || window.webkitURL || window;
                var export_blob = new Blob([data]);
                var save_link = document.createElementNS("http://www.w3.org/1999/xhtml", "a")
                save_link.href = urlObject.createObjectURL(export_blob);
                save_link.download = name;
                fakeClick(save_link);
            }
  
        var arr = [
            {
                name: 1,
            },
            {
                name: 2
            }
        ];
        exportRaw('test.txt', JSON.stringify(arr));
    </script>
</body>
</html>
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