click table and download

help someone save html table to xls easy~

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         click table and download
// @namespace    http://tampermonkey.net/
// @version      0.1
// @include      *
// @description  help someone save html table to xls easy~
// @author       vector
// @grant        none
// @license MIT
// ==/UserScript==
(function () {


    function HtmlExportToExcel(tableEle, filename) {
        if (getExplorer() === 'ie' || getExplorer() === undefined) {
            console.warn("自动保存xls暂不支持IE");
        } else {
            HtmlExportToExcelForEntire(tableEle, filename)
        }
    }

    function getExplorer() {
        var explorer = window.navigator.userAgent;
        //ie
        if (explorer.indexOf("MSIE") >= 0) {
            return 'ie';
        }
        //firefox
        else if (explorer.indexOf("Firefox") >= 0) {
            return 'Firefox';
        }
        //Chrome
        else if (explorer.indexOf("Chrome") >= 0) {
            return 'Chrome';
        }
        //Opera
        else if (explorer.indexOf("Opera") >= 0) {
            return 'Opera';
        }
        //Safari
        else if (explorer.indexOf("Safari") >= 0) {
            return 'Safari';
        }
    }


    var HtmlExportToExcelForEntire = (function () {
        var uri = 'data:application/vnd.ms-excel;base64,',
            template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--><style>table td {font-size: 12px;width: 200px;height: 30px;text-align: center;border:1px 1px;}</style></head><body><table border="1">{table}</table></body></html>',
            base64 = function (s) {
                return window.btoa(unescape(encodeURIComponent(s)))
            },
            format = function (s, c) {
                return s.replace(/{(\w+)}/g, function (m, p) {
                    return c[p];
                })
            }
        return function (tableEle, name) {
            table = tableEle
            // table.style='mso-number-format:@'
            fillt(table);

            var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML}
            var a = document.createElement("a");
            a.href = uri + base64(format(template, ctx));
            a.download = name + ".xls";
            a.click();
        }
    })()

    function fillt(table) {

        var tds = table.getElementsByTagName("td")
        for (let i = 0; i < tds.length; i++) {
            tds[i].innerText = '`' + tds[i].innerText
        }
    }


    function guid() {
        return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
            var r = Math.random() * 16 | 0,
                v = c === 'x' ? r : (r & 0x3 | 0x8);
            return v.toString(16);
        });
    }

    function genAllTableBtn() {
        let htmlTableElements = document.querySelectorAll('table');
        console.log('find ', htmlTableElements.length, 'table ele')
        confirm('current page find' + htmlTableElements.length + ' table')
        htmlTableElements.forEach((v, k, p) => {
            v.style.border = 'groove';
            // this.border = 'groove';

            v.onclick = function () {
                const tableId = this.getAttribute('id');
                console.log(tableId)
                // todo 等待增加蒙版效果
                HtmlExportToExcel(v, guid());
            };


        })

    }

    function setBtn() {
        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 10px;border-radius: 5px;"><div id="bddown" style="text-align: center;font-size: 14px;padding: 8px 15px;background: #54be99;color: #fff;margin: 10px 0;border-radius: 3px;">准备下载</div></div>`;
        document.body.insertAdjacentHTML('afterbegin', btnhtml);
        document.querySelector("#bddown").onclick = (event) => {
            console.log("为每个表格生成一个下载按钮")
            genAllTableBtn()
        }
    }

    setTimeout(function () {
        setBtn();
    }, 1000);

})();