前言

在使用xlsx组件的时候如果需要调整xlsx表的样式可以使用xlsx-js-style来进行设置

效果图

安装xlsx-js-style插件

npm install xlsx-js-style

导入插件

该文件参考在xlsx的使用中有讲解该文件的使用 xlsx的使用

import XLSX from 'xlsx-js-style'

在创建ws后

设置表头

获取到表头数据然后通过.s 来设置xlsx样式

  for (const key in ws) {
    if (key.replace(/[^0-9]/ig, '') === '1') {
      // colsList.push({ wpx: 150 })
      ws[key].s = {
        alignment: {
          horizontal: 'center'
        },
        fill: {
          fgColor: { rgb: '80808080' }
        },
        font: {
          color: { rgb: 'ffffffff' },
          bold: true
        }
      }
    }
  }

在xlsx.js的公共方法中为ws添加样式

/**
 * 导出excel文件
 * @param {*} param0
 */
export function exportJsonToExcel ({
  multiHeader = [],
  header,
  data,
  filename,
  merges = [],
  autoWidth = true,
  bookType = 'xlsx'
} = {}) {
  filename = filename || 'excel-list'
  data = [...data]
  data.unshift(header)

  for (let i = multiHeader.length - 1; i > -1; i--) {
    data.unshift(multiHeader[i])
  }

  const wsName = 'SheetJS'
  const wb = new Workbook()
  const ws = sheetFromArrayOfArrays(data)

  const tsName = 'Sheetts'
  const ts = sheetFromArrayOfArrays(data)

  if (merges.length > 0) {
    if (!ws['!merges']) ws['!merges'] = []
    merges.forEach((item) => {
      ws['!merges'].push(XLSX.utils.decode_range(item))
    })
  }

  if (autoWidth) {
    const colWidth = data.map((row) =>
      row.map((val) => {
        if (val === null) {
          return {
            wch: 10
          }
        } else if (val.toString().charCodeAt(0) > 255) {
          return {
            wch: val.toString().length * 2
          }
        } else {
          return {
            wch: val.toString().length
          }
        }
      })
    )
    const result = colWidth[0]
    for (let i = 1; i < colWidth.length; i++) {
      for (let j = 0; j < colWidth[i].length; j++) {
        if (result[j].wch < colWidth[i][j].wch) {
          result[j].wch = colWidth[i][j].wch
        }
      }
    }
    ws['!cols'] = result
  }

  wb.SheetNames.push(tsName)
  wb.Sheets[tsName] = ts

  // let colsList = []
  for (const key in ws) {
    if (key.replace(/[^0-9]/ig, '') === '1') {
      // colsList.push({ wpx: 150 })
      ws[key].s = {
        alignment: {
          horizontal: 'center'
        },
        fill: {
          fgColor: { rgb: '80808080' }
        },
        font: {
          color: { rgb: 'ffffffff' },
          bold: true
        }
      }
    }
  }

  wb.SheetNames.push(wsName)
  wb.Sheets[wsName] = ws

  const wbout = XLSX.write(wb, {
    bookType: bookType,
    bookSST: false,
    type: 'binary'
  })

  saveAs(
    new Blob([s2ab(wbout)], {
      type: 'application/octet-stream'
    }),
    `${filename}.${bookType}`
  )
}