js 把字符串保存为txt文件，并下载到本地

　　　　　　　　　　exportRaw(‘text.txt‘,‘123123123‘) ???????????????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); ???????????????}