byte-sailing-new/src/utils/util.js

import moment from "moment";
import { post, get } from "@/utils/request";
import Cookies from "js-cookie";
import html2canvas from "html2canvas";
import JsPDF from "jspdf";
import * as toEnglish from "./ACapital.js";

//根据value值回显字典label值
export function dictDataEcho(value, arr) {
  if (value && arr) {
    value = value + "";
    const current = arr.find((x) => x.dictKey === value);
    if (current != undefined && current.dictValue) {
      return current.dictValue;
    }
    return "";
  }
  return "";
}

//根据value值回显字典label值
export function dictValueLabel(value, arr) {
  if ((value || value === 0) && arr) {
    const current = arr.filter((x) => x.value == value);
    if (current && current.length > 0) {
      return current[0].label;
    }
    return "";
  }
  return "";
}

export function getDict(key) {
  return new Promise((resolve, reject) => {
    let dictObj = {};
    let arr = {};
    let num = 0;
    if (!sessionStorage.getItem("dict")) {
      sessionStorage.setItem("dict", JSON.stringify(dictObj));
    } else {
      dictObj = JSON.parse(sessionStorage.getItem("dict"));
    }
    for (let i = 0; i < key.length; i++) {
      const element = key[i];
      if (dictObj[element]) {
        arr[element] = dictObj[element];
        num++;
        if (num === key.length) {
          resolve(arr);
        }
      } else {
        post("/dictTenantData/page", {
          pageNum: 1,
          pageSize: 999,
          tenantId: Cookies.get("tenantId"),
          dictCode: element,
        }).then((res) => {
          dictObj[element] = res.rows;
          arr[element] = res.rows;
          sessionStorage.setItem("dict", JSON.stringify(dictObj));
          num++;
          console.log(num);
          if (num === key.length) {
            resolve(arr);
          }
        });
      }
    }
  });
}

// 金额千分符
export function moneyFormat(s, n) {
  if (s) {
    s = s + "";
    let str = s.slice(0, 1);
    if (str === "-") {
      s = s.slice(1, s.length);
    }
    n = n > 0 && n <= 20 ? n : 2;
    s = parseFloat((s + "").replace(/[^\d\.-]/g, "")).toFixed(n) + "";
    var l = s.split(".")[0].split("").reverse(),
      r = s.split(".")[1];
    var t = "";
    for (let i = 0; i < l.length; i++) {
      t += l[i] + ((i + 1) % 3 == 0 && i + 1 != l.length ? "," : "");
    }
    let result = t.split("").reverse().join("") + "." + r;
    if (str === "-") {
      return "-" + result;
    } else {
      return result;
    }
  } else {
    return "0.00";
  }
}

// 计算该日期是星期几
export function calculationWeek(val, format) {
  let weekArrayList = ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
  let index = new Date(moment(val, format).format("yyyy-MM-DD")).getDay();
  let week = weekArrayList[index];
  return week;
}

export function getPdf(title) {
  // pdfDom 这个就是你vue页面中定义的ID  比如<div id="pdfDom">  这个也要避下雷
  const element = document.getElementById("pdfDom");
  window.pageYoffset = 0;
  document.documentElement.scrollTop = 0;
  document.body.scrollTop = 0;
  setTimeout(() => {
    // const nowDate = new Date();
    // const date = {
    //   year: nowDate.getFullYear(),
    //   month: nowDate.getMonth() + 1,
    //   date: nowDate.getDate(),
    //   hours: nowDate.getHours(),
    //   minutes: nowDate.getMinutes(),
    //   seconds: nowDate.getSeconds(),
    // };
    // const newMonth = date.month > 10 ? date.month : "0" + date.month;
    // const newDay = date.date > 10 ? date.date : "0" + date.date;
    // const newMinutes = date.minutes < 10 ? "0" + date.minutes : date.minutes;
    // const newSeconds = date.seconds < 10 ? "0" + date.seconds : date.seconds;
    // const value = date.year + newMonth + newDay + date.hours + newMinutes + newSeconds;
    let id = "";
    //创建一个画布    ---  增加导出的pdf水印 ！！
    let can = document.createElement("canvas");
    //设置画布的长宽
    can.width = 400;
    can.height = 500;
    let cans = can.getContext("2d");
    //旋转角度
    cans.rotate((-15 * Math.PI) / 180);
    cans.font = "18px Vedana";
    //设置填充绘画的颜色、渐变或者模式
    cans.fillStyle = "rgba(200, 200, 200, 0.40)";
    //设置文本内容的当前对齐方式
    cans.textAlign = "left";
    //设置在绘制文本时使用的当前文本基线
    cans.textBaseline = "Middle";
    //在画布上绘制填色的文本（输出的文本，开始绘制文本的X坐标位置，开始绘制文本的Y坐标位置）
    //cans.fillText(value, can.width / 8, can.height / 2)
    let div = document.createElement("div");
    div.id = id;
    div.style.pointerEvents = "none";
    div.style.top = "2000px";
    div.style.left = "-2000px";
    div.style.position = "fixed";
    div.style.zIndex = "100000";
    div.style.width = document.getElementById("pdfDom").scrollHeight + "px";
    div.style.height = document.getElementById("pdfDom").scrollHeight + "px";
    div.style.background = "url(" + can.toDataURL("image/png") + ") left top repeat";
    document.getElementById("pdfDom").appendChild(div); // 到页面中
    html2canvas(element, {
      allowTaint: true,
      useCORS: true, // 需要注意，element的 高度 宽度一定要在这里定义一下，不然会存在只下载了当前你能看到的页面   避雷避雷！！！
      scale: 2, // 提升画面质量，但是会增加文件大小
      height: document.getElementById("pdfDom").scrollHeight,
      windowHeight: document.getElementById("pdfDom").scrollHeight,
    }).then(function (canvas) {
      var contentWidth = canvas.width;
      var contentHeight = canvas.height;
      // 一页pdf显示html页面生成的canvas高度;
      var pageHeight = (contentWidth * 841.89) / 592.28;
      // 未生成pdf的html页面高度
      var leftHeight = contentHeight;
      // 页面偏移
      var position = 0;
      // a4纸的尺寸[595.28,841.89]，html页面生成的canvas在pdf中图片的宽高
      var imgWidth = 595.28;
      var imgHeight = (592.28 / contentWidth) * contentHeight;
      var pageData = canvas.toDataURL("image/jpeg", 1.0);
      var pdf = new JsPDF("", "pt", "a4");
      // 有两个高度需要区分，一个是html页面的实际高度，和生成pdf的页面高度(841.89)
      // 当内容未超过pdf一页显示的范围，无需分页
      if (leftHeight < pageHeight) {
        pdf.addImage(pageData, "JPEG", 0, 0, imgWidth, imgHeight);
      } else {
        while (leftHeight > 0) {
          pdf.addImage(pageData, "JPEG", 0, position, imgWidth, imgHeight);
          leftHeight -= pageHeight;
          position -= 841.89;
          // 避免添加空白页
          if (leftHeight > 0) {
            pdf.addPage();
          }
        }
      }
      pdf.save(title + ".pdf");
    });
  }, 1000);
}

export function currencyPrefix(key) {
  if (["¥", "￥", "1"].includes(key)) {
    return "SAY RMB ";
  } else if (["$", "2"].includes(key)) {
    return "SAY US DOLLARS ";
  } else if (["€", "3"].includes(key)) {
    return "SAY EURO ";
  } else {
    return "SAY RMB ";
  }
}

export function translateIntoEnglish(money, currencyType) {
  let text = "";
  if (money) {
    text = currencyPrefix(currencyType);
    if (!/^\d+$/.test(Number(money))) {
      text = text + parseFloat(money).toFixed(2).toEnglish().toUpperCase();
    } else {
      text = text + parseFloat(money).toFixed(2).toEnglish().toUpperCase() + " ONLY";
    }
  }
  text = text.split(" POINT ZERO ZERO ").join("");
  return text;
}