一、demo-导出的的

二、代码操作

1、页面呈现

项目要求，所以页面和导出来的word模版一致

2、js代码【直接展示点击导出的js代码】

使用插件【先下载这五个插件，然后页面引入插件】

import docxtemplater from 'docxtemplater'

import PizZip from 'pizzip'

import JSZipUtils from 'jszip-utils'

import ImageModule from 'docxtemplater-image-module-free'

import { saveAs } from 'file-saver'

 1>代码

    expeortexcel() {
      clearTimeout(this.timer) //清除延迟执行
      this.faultlist = []
      this.faultpic = []
      const exportData = this.data
      // 处理图片
      const crfile = exportData.contractorResponsiblePerson[0].link
      const drfile = exportData.drawResponsiblePerson[0].link
      if (crfile != '') {
        this.UrlToBase64(crfile, (dataURL) => {
          exportData['crimg'] = dataURL
        })
      }
      if (drfile != '') {
        this.UrlToBase64(drfile, (dataURL) => {
          exportData['drimg'] = dataURL
        })
      }
      this.faultlist.push(exportData)
      this.timer = setTimeout(() => {
        //设置延迟执行
        this.export2Word(this.faultlist)
      }, 5000)
    },
// 处理导出图片数据
    UrlToBase64(url, callback) {
      console.log(url, 'url===')
      let image = new Image()
      let that = this
      //解决跨域问题
      image.setAttribute('crossOrigin', 'anonymous')
      image.src = url
      image.onload = () => {
        var canvas = document.createElement('canvas')
        canvas.width = image.width
        canvas.height = image.height
        var context = canvas.getContext('2d')
        context.drawImage(image, 0, 0, image.width, image.height)
        var quality = 0.8
        //这里的dataurl就是base64类型
        var dataURL = canvas.toDataURL('image/png', quality)
        callback ? callback(dataURL) : null //调用回调函数
      }
    },
    //导出文件
    export2Word(faultlistd) {
      //v:图片路径,t:时间字符串,name:导出文件名称--变量需自己定制，此处为举例

      let self = this
      JSZipUtils.getBinaryContent(
        window.location.origin + '/tinggong.docx', //需要导出的模板文件地址
        function (error, content) {
          if (error) {
            throw error
          }
          let zip = new PizZip(content)
          let doc = new docxtemplater().loadZip(zip)
          // 图片处理
          const opts = {}
          opts.centered = false // 图片居中，在word模板中定义方式为{%image}
          opts.fileType = 'docx'
          opts.getImage = (tagValue, tagName) => {
            const base64Value = self.base64DataURLToArrayBuffer(tagValue)
            if (base64Value) {
              return base64Value
            }
          }
          opts.getSize = function (img, tagValue, tagName) {
            const sizeOf = require('image-size')
            const buffer = Buffer.from(img, 'binary')
            const sizeObj = sizeOf(buffer)
            const forceWidth = 100
            const ratio = forceWidth / sizeObj.width
            return [forceWidth, Math.round(sizeObj.height * ratio)]
          }
          let imageModule = new ImageModule(opts)
          doc.attachModule(imageModule)
          setTimeout(() => {
            doc.setData({
              //设置模板数据
              // compname: cname,
              listfa: faultlistd,
              // listimg: faultpicd,
            })
            try {
              doc.render()
            } catch (error) {
              let e = {
                message: error.message,
                name: error.name,
                stack: error.stack,
                properties: error.properties,
              }
              console.log(JSON.stringify({ error: e }))
              throw error
            }
            let out = doc.getZip().generate({
              type: 'blob',
              mimeType:
                'application/vnd.openxmlformats-officedocument.wordprocessingml.document', //导出文件格式
            })
            saveAs(out, '停工通知书.docx')
          }, 4000)
        },
      )
    },
    //获取base64格式图片
    base64DataURLToArrayBuffer(dataURL) {
      const base64Regex = /^data:image\/(png|jpg|svg|svg);base64,/
      if (!base64Regex.test(dataURL)) {
        return false
      }
      const stringBase64 = dataURL.replace(base64Regex, '')
      let binaryString
      if (typeof window !== 'undefined') {
        binaryString = window.atob(stringBase64)
      } else {
        binaryString = Buffer.from(stringBase64, 'base64').toString('binary')
      }
      const len = binaryString.length
      const bytes = new Uint8Array(len)
      for (let i = 0; i < len; i++) {
        const ascii = binaryString.charCodeAt(i)
        bytes[i] = ascii
      }
      return bytes.buffer
    },

1、this.data是接口返回的数据

2、UrlToBase64处理图片数据

3、export2Word导出文件操作

三、通知书模版【毕竟放在public下-且后缀是.docx】 

【语法：】

listfa是数组，#开头, /结束     

{%drimg}   图片格式前面需要加%

四、拓展docxtemplater语法

官网：Docxtemplater | Word, Powerpoint, Excel generation using templates in your application | docxtemplater

1、基础

       Hello {name} !   //  得到 —— Hello John !

     

{"name": "John"}  // 数据格式

2、条件  # 开始    / 结束

{#hasKitty}Cat’s name: {kitty}{/hasKitty}
{#hasDog}Dog’s name: {dog}{/hasDog} 

{
    "hasKitty": true,
    "kitty": "Minie"
    "hasDog": false,
    "dog": null
}

// 得到Cat’s name: Minie

3、list集合

{#products}
{name}, {price} ￥
{/products}

 "products": [
        { "name": "西服外套", "price": 100 },
        { "name": "皮鞋", "price": 200 },
        { "name": "劳动力", "price": 0 }
    ]


// 得到 
          西服外套, 100 ￥
          皮鞋, 200 ￥
          劳动力, 0￥

4、循环遍历一个包含原始数据的数组

{#products} {.} {/products}

 "products": ["包子", "饺子", "麻辣烫"]

// 得到 包子 饺子 麻辣烫

5、循环展示列表【#开头   /结束】

Name	age	phone
{#users}{name}	{age}	{phone}{/}

 

 

"users": [
        { "name": "John", "age": 22, "phone": "+33653454343" },
        { "name": "Mary", "age": 25, "phone": "+33666666666" }
    ]

得到：

Name	age	phone
John	22	+33653454343
Mary	25	+33666666666