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理论可以适配所有网页。只要对应区块已经加载完毕，该区块即可被打印或另存为PDF。使用说明，初始代码只添加了百度系列网页的支持可在“// @match https://www.baidu.com/*”行后添加自己想用的网站。感谢用户zhihu的“文库下载器|百度网盘直链解析下载|全网VIP视频解析无广告播放，全网独创自由选择自动解析接口|短视频无水印下载|更多功能持续更新中”以及github用户lemoncool。
// ==UserScript==
// @name 打印插件-保存PDF-配合调试模式打印网页任意区块-打印指定区块插件
// @namespace http://tampermonkey.net/
// @version 1.0
// @description 理论可以适配所有网页。只要对应区块已经加载完毕，该区块即可被打印或另存为PDF。使用说明，初始代码只添加了百度系列网页的支持可在“// @match https://www.baidu.com/*”行后添加自己想用的网站。感谢用户zhihu的“文库下载器|百度网盘直链解析下载|全网VIP视频解析无广告播放，全网独创自由选择自动解析接口|短视频无水印下载|更多功能持续更新中”以及github用户lemoncool。
// @author zdtiio
// @license MIT
// @match https://*.baidu.com/*
// @icon
// @grant none
// ==/UserScript==
(function () {
'use strict';
// Your code here...
const functions = {
bdwk: function () {
const btnhtml = `<div id="bdbox" style="box-shadow: 0 0 6px 3px #00000038;z-index: 99999997;bottom: 100px;position: fixed;right: 50px;background: #fff;padding: 0 20px;border-radius: 5px;"><div>使用方法：</div><div>1.F12进入调试模式</div><div>2.找到待打印区域的div</div><div>3.将待打印区域的div的id设置为如下id，或在文本框中输入对应id</div><div>待打印区块id：<input id="toprintid" value="print"/></div><div id="bdprint" style="text-align: center;font-size: 14px;padding: 8px 15px;background: #54be99;color: #fff;margin: 10px 0;border-radius: 3px;">打印区块</div></div>`;
document.body.insertAdjacentHTML('afterbegin', btnhtml);
document.querySelector("#bdprint").onclick = (event) => {
let idValue = document.getElementById("toprintid").value;
// 调用
Print('#'+idValue, {});
}
}
}
functions.bdwk()
// window.print()
// print.js脚本
// https://github.com/lemoncool/print-demo/blob/main/src/utils/print2.js
/* @Print.js
* DH (http://denghao.me)
* 2017-7-14
*/
(function (window, document) {
let Print = function (dom, options) {
if (!(this instanceof Print)) return new Print(dom, options);
this.options = this.extend({
noPrint: '.no-print',
onStart: function () {},
onEnd: function () {}
}, options);
if ((typeof dom) === "string") {
this.dom = document.querySelector(dom);
} else {
this.dom = dom;
}
this.init();
};
Print.prototype = {
init: function () {
let content = this.getStyle() + this.getHtml();
this.writeIframe(content);
},
extend: function (obj, obj2) {
for (let k in obj2) {
obj[k] = obj2[k];
}
return obj;
},
getStyle: function () {
let str = "",
styles = document.querySelectorAll('style,link');
for (let i = 0; i < styles.length; i++) {
str += styles[i].outerHTML;
}
str += "<style>" + (this.options.noPrint ? this.options.noPrint : '.no-print') + "{display:none;}</style>";
return str;
},
getHtml: function () {
let inputs = document.querySelectorAll('input');
let textareas = document.querySelectorAll('textarea');
let selects = document.querySelectorAll('select');
for (let k in inputs) {
if (inputs[k].type == "checkbox" || inputs[k].type == "radio") {
if (inputs[k].checked == true) {
inputs[k].setAttribute('checked', "checked")
} else {
inputs[k].removeAttribute('checked')
}
} else if (inputs[k].type == "text") {
inputs[k].setAttribute('value', inputs[k].value)
}
}
for (let k2 in textareas) {
if (textareas[k2].type == 'textarea') {
textareas[k2].innerHTML = textareas[k2].value
}
}
for (let k3 in selects) {
if (selects[k3].type == 'select-one') {
let child = selects[k3].children;
for (let i in child) {
if (child[i].tagName == 'OPTION') {
if (child[i].selected == true) {
child[i].setAttribute('selected', "selected")
} else {
child[i].removeAttribute('selected')
}
}
}
}
}
return this.dom.outerHTML;
},
writeIframe: function (content) {
let w, doc, iframe = document.createElement('iframe'),
f = document.body.appendChild(iframe);
iframe.id = "myIframe";
iframe.style = "position:absolute;width:0;height:0;top:-10px;left:-10px;";
w = f.contentWindow || f.contentDocument;
doc = f.contentDocument || f.contentWindow.document;
doc.open();
doc.write(content);
doc.close();
this.toPrint(w, function () {
document.body.removeChild(iframe)
});
},
toPrint: function (w, cb) {
let _this = this;
w.onload = function () {
try {
setTimeout(function () {
w.focus();
typeof _this.options.onStart === 'function' && _this.options.onStart();
if (!w.document.execCommand('print', false, null)) {
w.print();
}
typeof _this.options.onEnd === 'function' && _this.options.onEnd();
w.close();
cb && cb()
});
} catch (err) {
console.log('err', err);
}
}
}
};
window.Print = Print;
}(window, document));
})();