Save As Text

Save the Page as Plain text file
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// ==UserScript==
// @name         Save As Text
// @name:zh      保存为纯文本文件
// @supportURL   https://github.com/rectcircle/save-as-text
// @namespace    https://github.com/rectcircle/save-as-text
// @license      MIT
// @version      1.0.1
// @description         Save the Page as Plain text file
// @description:zh      将当前网页保存为纯文本文件
// @author       Rectcircle <[email protected]>
// @icon         data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAEFUlEQVR4Xu2az4scRRTH36teRBdkEDwqbH7swWDEixdPSk6awyaBzCYSwiLERYhR2OnqHuKPgRW6q3r3koSFKGKIImYTyA8UPHjJPxBBTRB/IMGTt70Nmp16oYaeMDSzM9U91ZlNuvq0y3S/et9Pf9+rHzMIFb+w4vrBAXAOqDgBVwKTNIAQ4hQibnDOL04qj4k5QAixDxF/TIW/xjm/OQkIEwMgpZwHgG+1aKXU0TAMu38/7MsBeNjEe+M5B7gScD3ANUE3C7hp0K0D3ELIrQTdUtjtBR6dzVCSJHMA8Jfv+7+Ou4coYy+QJMmLALDL9/3rpvkZ7wbjOK4zxi4R0SYRHQjD8HvTQQbdZxtAHMf7EfEaIk4ppebDMFw3yS83AB1UQ2CM1X3fv2oySNkAkiQ5qJRa1+LTsY5wzi+Z5GYMgIhQSnkeEU+kgTuIeLgoBFsO0OKJ6DIAeOnL+ZxzvoiIZBVAL5gQ4jMbEGwAGCQ+CIJ3TIT37jF2QH9QGxDGBWBDvNZUCIB+cFwI4wCI4/gIY+zrftvnffNjOWCrclBKHTM93CwKIBX/Te/lEdG5IAjey2P7/nsLO6APwllEPJn+T0qpt0wgFAFgW/xYJZDpCbkh5AVQhnhrANKekAtCHgBSyuMAcMGW7a2WQFEnmALIigeAFc65X7Tms8+N3QOyAaWUCQA0RvUEEwBli7daAv0gshAAYCH7BegoAFEU7fQ878++qdrqm7cyDQ6z4SgIOQGUIr40B/TADIMwCoCOsbKyskcp9STn/Jatmi+9B2QHEEK0EPGTXk/olYMJgLJElzYLbJWwlFI3Rd0c9aV3aQsA8F+lvhjJQiCiHxDxDU2kMr8PyEB4YJjKANCKB0GoFIBBELY1ACnlV0Q0xxh71cZpcM/3QoiTiHgWAPTR2ss2YydJsoOIviOijXa7/Xqr1fp/qwY9dCkspZwFgN/Thz/inH9qc2pKkuTY5ubm7Waz+ZPNuEKI04jYzZUx9kKj0fitEIA4jvcyxn7uzl1Ey0EQfGwz0bJiSSmXAeDDdIZ5KQzDXxyALQgMLQHnAFcCrgdUuwlGUbTb87w/0lngTBAE75fVuW3GlVKuAcC7Oman05ltNpv6YGXgNbQJtlqtJ6anpzcA4CkA+HtmZma2Xq93bCZrO1YURc8wxu4i4tMA0K7VarXFxcV7hQCky9YvAODt1AVXAGCNMWb0xaNtcaPiEdFeIvoAEXem+X4ZBEE398IAVldXn+90OvpE5tlRCWynz4no36mpqVeWlpb+GQuAflgI8RwiSgA4up1EDsnlLmPszUajcWdUvrmOxfXCyPO8Q0qpXM+NSsLW57o0lVK32+32jWEboP7xtqUQW0BM4jgAJpQe53ucAx7nt2uirfIOuA9jAw9ug6hl7AAAAABJRU5ErkJggg==
// @include      *
// @run-at      document-end
// ==/UserScript==

/**
 * 以utf8编码将content保存到文件系统中，文件名为fileName
 * @param {string} fileName 文件名
 * @param {String} content 文件内容
 */
function saveAsText(fileName, content) {
	blobOptions = {
		type: "text/plain;charset=utf-8"
	};

	//创建Blob对象
	var pf = window.navigator.platform;
	if (pf == "Win32" || pf == "Windows") {
		content = '\uFEFF' + content;
	}
	var blob = new Blob([content], blobOptions);

	//使用a标签下载文件
	var a = document.createElement('a');

	//设置文件名
	a.innerHTML = fileName;
	a.download = fileName;

	//设置下载内容
	a.href = URL.createObjectURL(blob);

	//将此此节点放入body下
	document.body.appendChild(a);

	//触发点击事件
	var evt = document.createEvent("MouseEvents");
	evt.initEvent("click", false, false);
	a.dispatchEvent(evt);

	//删除标签
	document.body.removeChild(a);
}
//图标
var iconBase64 = "data:image/png;base64,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";
/**
 * 添加一个下载按钮到页面
 */
function addButtonToBody() {
	var img = document.createElement('img');
	//指定id
	img.id = "__saveAsTextButton__"
	//指定图片
	img.src = iconBase64;
	//配置添加到页面的元素的样式
	img.style = "position:fixed; right:20px; bottom:20px; width:50px; " + //设置位置大小
		"z-index:2147483647; cursor:pointer; " + //设置在最上层，手型
		"border: 2px solid #999; border-radius: 70px; padding:10px; " + //边框
		"background-color:#222; opacity: 0.8;"; //颜色与透明度
	img.alt = "Save as Text";
	img.title = "Save as Text"
	//单击事件，保存当前页面
	img.onclick = function () {
		var fileName = document.title + ".txt";
		var content = document.body.innerText;
		saveAsText(fileName, content);
	};
	document.body.appendChild(img);
	return img
}

addButtonToBody();