medical_lab_ui_mobil/src/utils/common.js

// 通用工具类，定义通用函数及常用接口
import { mapValues } from "lodash";
import { encryptByAes } from "@/utils/encrypt";
// import { preview } from '@/business/platform/form/utils/custom/preview'
import request from "./joinCURD";
import pinyin4js from "pinyin4js";
import { snapshoot } from "@/api/platform/file/attachment";
import { getNextIdByAlias } from "@/api/platform/system/identity";
import { save as sendMsg } from "@/api/platform/message/innerMessage";
import { save as saveNews } from "@/api/platform/system/news";
import { bpmTaskSave } from "@/api/platform/bpmn/bpmTask";
// import { onlyOfficeToPdf } from '@/api/platform/form/seal'
import { downloadFile as download } from "@/business/platform/file/utils";
// import { removeFormData } from '@/api/platform/data/dataTemplate'
// 引入工具类
import Utils from "@/utils/util";
import ActionUtils from "@/utils/action";

// base64解码
const decode = str =>
  decodeURIComponent(
    window
      .atob(str)
      .split("")
      .map(c => `%${`00${c.charCodeAt(0).toString(16)}`.slice(-2)}`)
      .join("")
  );

// 下载
export const downloadByBlob = (o, name) => {
  if (!(o instanceof Blob)) {
    return;
  }

  if (window.navigator.msSaveBlob) {
    window.navigator.msSaveBlob(o, name);
  } else {
    const URL = window.URL || window.webkitURL || window;
    const e = document.createElementNS("http://www.w3.org/1999/xhtml", "a");
    e.href = URL.createObjectURL(o);
    e.download = name;

    if (document.all) {
      e.click();
    } else {
      const ev = document.createEvent("MouseEvents");
      ev.initMouseEvent(
        "click",
        true,
        false,
        window,
        0,
        0,
        0,
        0,
        false,
        false,
        false,
        false,
        0,
        null
      );
      e.dispatchEvent(ev);
    }
  }
};

// 获取当前时间
export const getDateNow = (length = 10, formatType) => {
  if (formatType === "string") {
    return new Date(new Date().getTime() + 28800000)
      .toJSON()
      .slice(0, length)
      .replace(/[-:T]/g, "");
  }
  return new Date(new Date().getTime() + 28800000)
    .toJSON()
    .slice(0, length)
    .replace("T", " ");
};

// 获取指定值后的日期
export const getDate = (type, value, date) => {
  const d = date || getDateNow(19);
  if (
    typeof type !== "string" ||
    !Number.isInteger(value) ||
    typeof d !== "string"
  ) {
    console.log("参数类型错误");
    return null;
  }
  const now = new Date(d);
  const D = {
    day: value * 24 * 60 * 60 * 1000,
    hour: value * 60 * 60 * 1000,
    minute: value * 60 * 1000,
    second: value * 1000
  };
  const year = now.getFullYear();
  const month = now.getMonth();
  const day = now.getDate();
  const hour = now.getHours();
  const minute = now.getMinutes();
  const second = now.getSeconds();

  switch (type) {
    case "year": {
      const isLeapYear = new Date(year + value, 1, 29).getDate() === 29;
      return new Date(
        year + value,
        isLeapYear && month === 1 && day === 29 ? 1 : month,
        isLeapYear && month === 1 && day === 29 ? 29 : day,
        hour,
        minute,
        second
      );
    }
    case "month": {
      let newYear = year;
      let newMonth = month + value;
      if (newMonth < 0) {
        newYear -= Math.ceil(Math.abs(newMonth) / 12);
        newMonth = 12 - (Math.abs(newMonth) % 12);
      } else if (newMonth > 11) {
        newYear += Math.floor(newMonth / 12);
        newMonth = newMonth % 12;
      }
      const isLeapMonth = new Date(newYear, newMonth + 1, 0).getDate() === 29;
      return new Date(
        newYear,
        isLeapMonth && month === 1 && day === 29 ? 1 : newMonth,
        isLeapMonth && month === 1 && day === 29 ? 29 : day,
        hour,
        minute,
        second
      );
    }
    case "day":
    case "hour":
    case "minute":
    case "second":
      return new Date(now.getTime() + D[type]);
    default:
      console.log("无效的日期类型");
      return null;
  }
};

// 时间格式化
export const getFormatDate = (type, length, date = new Date()) => {
  const now = new Date(new Date(date).getTime());
  // eslint-disable-next-line
  if (now == "Invalid Date") {
    console.log("非法日期，无法格式化");
    return date;
  }
  const year = now.getFullYear();
  const month = now.getMonth() + 1;
  const day = now.getDate();
  const hours = now.getHours();
  const minutes = now.getMinutes();
  const seconds = now.getSeconds();
  // 补零
  const padZero = num => {
    return num.toString().padStart(2, "0");
  };
  // 默认返回String类型
  let result = `${year}-${padZero(month)}-${padZero(day)} ${padZero(
    hours
  )}:${padZero(minutes)}:${padZero(seconds)}`;
  switch (type) {
    case "string":
      result = `${year}-${padZero(month)}-${padZero(day)} ${padZero(
        hours
      )}:${padZero(minutes)}:${padZero(seconds)}`;
      break;
    case "cn":
      result = `${year}年${padZero(month)}月${padZero(day)}日 ${padZero(
        hours
      )}时${padZero(minutes)}分${padZero(seconds)}秒`;
      break;
    case "number":
      result = `${year}${padZero(month)}${padZero(day)}${padZero(
        hours
      )}${padZero(minutes)}${padZero(seconds)}`;
      break;
    default:
      break;
  }
  return result.slice(0, length || result.length);
};

/**
 * 替换对象中的null为空字符串
 * @param  {Object} obj 目标对象
 */
export const replaceNullWithEmpty = obj => {
  function replaceValue(value) {
    if (value === null) {
      return "";
    } else if (typeof value === "object") {
      if (Array.isArray(value)) {
        return value.map(item => replaceValue(item));
      } else {
        return mapValues(value, v => replaceValue(v));
      }
    } else {
      return value;
    }
  }
  return replaceValue(obj);
};

export default {
  // preview,
  request,
  pinyin4js,
  snapshoot,
  getNextIdByAlias,
  decode,
  encryptByAes,
  downloadByBlob,
  sendMsg,
  saveNews,
  bpmTaskSave,
  getDate,
  getDateNow,
  getFormatDate,
  // onlyOfficeToPdf,
  generateUUID: Utils.guid,
  download,
  // removeFormData,
  replaceNullWithEmpty,
  Utils,
  ActionUtils
};