supply-front/src/utils/common.js

import { MessageBox, Message, Notification } from 'element-ui'

export const successMsg = msg => {
	Message({
    showClose: true,
    message: msg || '操作成功',
    type: 'success'
  });
};

export const errorMsg = msg => {
	Message({
    showClose: true,
    message: msg || '操作成功',
    type: 'error'
  });
};

export const warningNotify = msg => {
  Notification({
    title: '提示',
    message: msg,
    type: 'warning',
    duration: 2000
  });
};

/**
 * 查询按钮权限
 * @param {*} value 当前按钮对应code
 * @param {*} btnRole 当前路由所有按钮权限
 * @returns 
 */
export const checkBtnRole = (value, btnRole) => {
  if(!btnRole) {return true}
  let index = btnRole.indexOf(value);
  return index >= 0;
};

/**
 * table合计方法
 * 注意：sums1，sums2: 需要在获取列表数据时遍历传入需要合计的字段名
 * 其中：sums1: 数量，不需要toFixed
 *      sums2: 金额，需要toFixed
 * 例如：res.data.items.forEach(item => {
          item.sums1 = ['number'];
          item.sums2 = ['totalAmount', 'payAmount'];
        })
 * @param {*} param 
 * @returns 
 */
export const getSummaries = (param) => {
  const { columns, data } = param;
  const sums = [];
  columns.forEach((column, index) => {
    if (index === 0) {
      sums[index] = '合计';
      return;
    }
    try {
      const values = data.map(item => Number(item[column.property]));
      if (data[0] && data[0].sums1.includes(column.property)) {
        sums[index] = values.reduce((prev, curr) => {
          const value = Number(curr);
          if (!isNaN(value)) {
            return prev + curr;
          } else {
            return prev;
          }
        }, 0);
        sums[index];
      }
      if (data[0] && data[0].sums2.includes(column.property)) {
        sums[index] = values.reduce((prev, curr) => {
          const value = Number(curr);
          if (!isNaN(value)) {
            return prev + curr;
          } else {
            return prev;
          }
        }, 0).toFixed(2);
        sums[index];
      }
    }
    catch {
      console.log('error');
    }
  });
  return sums;
}

/**
 * 保留2位小数点
 * @param {number} num 
 * @returns 
 */
 export const numToFixed = (num) => {
	if(!num) return '0.00';
  if(isNaN(Number(num))) return num;
	return Number(num).toFixed(2);
}


export default {
  successMsg,
  errorMsg,
  warningNotify,
  checkBtnRole,
  getSummaries,
  numToFixed
}