参考链接:blog.csdn.net/ALLENJIAO/a…
<body>
<input type="file" name="" id="inp" /><br />
<button id="save">save</button><br />
<textarea name="" id="textarea" cols="60" rows="30"></textarea>
<script>
const inp = document.getElementById('inp')
const save = document.getElementById('save')
const textarea = document.getElementById('textarea')
inp.addEventListener('change', function(e) {
const reader = new FileReader()
reader.readAsText(e.target.files[0])
reader.onload = function() {
const info = this.result
textarea.value = info
}
})
save.addEventListener('click', function() {
export_raw('range.json', textarea.value)
})
function export_raw(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
fake_click(save_link)
}
function fake_click(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)
}
</script>
</body>
