网大复制切屏取消

使用ctrl+f1 开启功能
当前为 2021-10-21 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         网大复制切屏取消
// @namespace    http://www.myctu.cn/
// @version      0.2
// @description  使用ctrl+f1 开启功能
// @author       fzguolg
// @time         2021/10/14 15:38
// @match        *://*/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        GM_setClipboard
// ==/UserScript==

(function() {
    'use strict';
    function hotkey() {
        var a = window.event.keyCode;
        //ctrl+f1
        if ((a == 112) && (event.ctrlKey)) {
                if(confirm('是否开启复制，关闭切屏！！')){

                    document.onkeydown = setClipboard; //设置ctrl+c监听

                    //window.onblur = document.onblur = document.body.onblur = onblur = null;

                    //解除切屏限制
                    window.onmouseleave = window.onblur = window.onmouseout = document.onmouseleave = document.onblur = document.onmouseout = document.body.onmouseleave = document.body.onblur = document.body.onmouseout = onmouseleave = onblur = onmouseout = null;

                    //解除选中文本限制（这里html看具体考试页面绑定的限制事件dom而定）
                    window.onselectstart = document.onselectstart = document.body.onselectstart = onselectstart = document.querySelector("html").onselectstart = null;

                    //解除复制粘贴限制
                    window.oncopy = window.onpaste = document.oncopy = document.onpaste = document.body.oncopy = document.body.onpaste = oncopy = onpaste = null;

                    //解除右键菜单限制（这里html看具体考试页面绑定的限制事件dom而定）
                    window.oncontextmenu = document.oncontextmenu = document.body.oncontextmenu = oncontextmenu = document.querySelector("html").oncontextmenu = null;

                    //解除快捷键操作屏蔽
                    window.onkeyup = window.onkeydown = window.onKeyPress = document.onkeyup = document.onkeydown = document.onKeyPress = document.body.onkeyup = document.body.onkeydown = document.body.onKeyPress = onkeyup = onkeydown = onKeyPress = null;

                    console.log('开启复制功能，取消切屏');
                }
        }
    }

    // 复制到剪贴板
    function setClipboard(){
         var a = window.event.keyCode;
        //ctrl+c
        if ((a == 67) && (event.ctrlKey) ) {
            var text_obj = window.getSelection();
            var text = text_obj.toString();
            GM_setClipboard(text);
        }
    }

    document.onkeydown = hotkey; //当onkeydown 事件发生时调用hotkey函数

    console.log("启用网大破解脚本.快捷键 crlt+f1");
    // Your code here...
})();
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