SinHelper

Sin Helper
目前为 2023-07-24 提交的版本。查看最新版本。
此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.gf.qytechs.cn/scripts/471561/1224582/SinHelper.js
提问、发表评价，或者举报这个脚本。
Wrap lines
; (function () {
    window.sinHelper = {
        /* 网络拦截相关 */
        Xhr: {
            init: function () {
                let oldSend = XMLHttpRequest.prototype.send, _this = this;
                XMLHttpRequest.prototype.send = function () {
                    let xhr = this
                    this.addEventListener("load", function () {
                        if (xhr.readyState != 4 || xhr.status != 200) return;
                        if (xhr.responseType != '' && xhr.responseType != 'text') return;
                        xhr.requestData = arguments
                        xhr.responseHeders = xhr.getAllResponseHeaders()
                        xhr.responseData = function () {
                            try {
                                return JSON.parse(xhr.responseText)
                            } catch (e) {
                                return xhr.responseText
                            }
                        }();
                        _this.dispatchFetch(xhr)
                    })
                    oldSend.apply(this, arguments);
                }
            },
            rules: {}, // pathname => function 
            routes: [], // functions
            registRules: function (ruleName, ruleFunc) {
                if (typeof (ruleFunc) != 'function') {
                    console.error("Xhr Rules 必须是可调用的函数", ruleName)
                    return
                }
                this.rules[ruleName] = ruleFunc
            },
            /* 调用注册(不可用)的 pathname 处理函数 */
            dispatchFetch: function (xhr) {
                let _this = this
                const url = new URL(xhr.responseURL)
                if (_this.rules[url.pathname]) {
                    if (typeof (this.rules[url.pathname]) == 'function') {
                        this.rules[url.pathname](xhr)
                    } else {
                        console.error("Xhr 处理函数错误：", url.pathname)
                    }
                } else {
                    _this.routes.forEach((route) => {
                        if (typeof (route) == 'function') {
                            route(xhr)
                        }
                    })
                }
            }
        },
        /* 原生JS 下载Excel */
        Excel: {
            'trans2Base64': function (content) {
                return window.btoa(unescape(encodeURIComponent(content)));
            },
            'exportExcelFromFront': function (params) {
                let _this = this
                const { cellList, headerList, caption, exportName = 'exportName' } = params;
 
                const captionEle = caption ? `<caption>${caption}</caption>` : ''; // 表格标题
                const headerEle = `<tr>${headerList?.map((item) => `<th>${item}</th>`)?.join('')}</tr>`;
                const cellEle = cellList
                    ?.map((itemRow) => `<tr>${itemRow?.map((itemCell) => `<td>${itemCell}</td>`)?.join('')}</tr>`)
                    ?.join('');
 
                const excelContent = `${captionEle}${headerEle}${cellEle}`;
                let worksheet = '工作表1';
                let excelFile =
                    "<html xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:x='urn:schemas-microsoft-com:office:excel' xmlns='http://www.w3.org/TR/REC-html40'>";
                excelFile +=
                    '<head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head>';
                excelFile += "<body><table width='10%'  border='1'>";
                excelFile += excelContent;
                excelFile += '</table></body>';
                excelFile += '</html>';
                const link = `data:application/vnd.ms-excel;base64,${_this.trans2Base64(excelFile)}`;
                const a = document.createElement('a');
                a.download = `${exportName}.xlsx`;
                a.href = link;
                a.click();
            }
        }
    };
})();
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