edu-textbook/server/cloud/tbook/func-tbook-export.js

const { replaceDocx } = require("../../lib/docs");
const Parse = global.Parse;

const path = require("path")
const TemplateDocxPath = path.join(__dirname,"template/模板-推荐申报表.docx")
/**
 * 导出流程教材申报文件
 */
async function exportProcessReportDocs(processId) {
    let query = new Parse.Query("EduTextbook")
    query.equalTo("eduProcess",processId);
    let textbookList = await query.find();
    for (let index = 0; index < textbookList.length; index++) {
        let textbook = textbookList[index];
        renderReportDocsByTextbook(textbook)
    }
    console.log(textbookList);
}

module.exports.exportProcessReportDocs = exportProcessReportDocs

async function renderReportDocsByTextbook(textbook){
    let json = textbook.toJSON();

    let bookData = {
        title:padString(json?.title,21),
        ISBN:padString(json?.ISBN,21),
    }
    console.log(bookData)
    let bookid = json.code || json?.objectId;
    let tempFileName = path.join(`${bookid}${json.title}.docx`)
    replaceDocx(TemplateDocxPath,tempFileName,bookData)
}


function padString(str,width) {
    width = width || 21 // 目标宽度为21个单位
    spaceChar = "&#160;" // 占位符
    // 计算字符串的宽度
    let strWidth = 0;
    for (let char of str) {
        // 判断字符是否为中文
        if (char.match(/[\u4e00-\u9fa5]/)) {
            strWidth += 4; // 中文字符占4个单位
        } else {
            strWidth += 1; // 英文字符占1个单位
        }
    }

    const totalPadding = width - strWidth;
    // 如果已经达到或超过目标宽度，直接返回原字符串
    if (totalPadding <= 0) {
        return str;
    }
    // 计算左右两侧的空格数
    const leftPadding = Math.floor(totalPadding / 2) * 3;
    const rightPadding = Math.ceil(totalPadding / 2) * 3;
    // 生成填充空格的字符串
    const leftSpaces = spaceChar.repeat(leftPadding);
    const rightSpaces = spaceChar.repeat(rightPadding);
    // 返回补充后的字符串
    return leftSpaces + str + rightSpaces;
}