<template>
  <Form ref="formValidate" :model="formValidate" :rules="ruleValidate" :label-width="110">
    <FormItem label="項目（全稱）：" prop="orgName">
      <Input v-model="formValidate.orgName" placeholder="請輸入項目名稱"></Input>
    </FormItem>
    <FormItem label="申請人：" prop="applyName" >
      <Input v-model="formValidate.applyName" placeholder="請輸入申請人"></Input>
    </FormItem>
    <FormItem label="電話：" prop="applyPhone">
      <Input v-model="formValidate.applyPhone" placeholder="請輸入電話"></Input>
    </FormItem>
    <FormItem label="生效日期：" style="float: left">
      <Row>
        <FormItem prop="startDate">
          <DatePicker type="date" format="yyyy-MM-dd" placeholder="請選擇生效日期" v-model="formValidate.startData"></DatePicker>
        </FormItem>
      </Row>
    </FormItem>
    <FormItem label="失效日期：">
      <Row>
        <FormItem prop="endDate">
          <DatePicker type="date" format="yyyy-MM-dd" placeholder="請選擇失效日期" v-model="formValidate.endData"></DatePicker>
        </FormItem>
      </Row>
    </FormItem>
    <FormItem label="備注：" prop="vmemo">
      <Input v-model="formValidate.vmemo" type="textarea" :autosize="{minRows: 2,maxRows: 5}" placeholder="備注"></Input>
    </FormItem>
    <FormItem>
      <Button type="primary" @click="handleSubmit('formValidate')">生成申請單</Button>
    </FormItem>
  </Form>
</template>
<script>
  import axios from 'axios';
  export default {
    data () {
      return {
        formValidate: {
          orgName: '',
          applyName: '',
          applyPhone: '',
          startDate: '',
          endDate: '',
          vmemo:''
        },
        ruleValidate: {
          orgName: [
            { required: true, message: '項目名稱不能為空！', trigger: 'blur' }
          ],
          applyName: [
            { required: true, message: '申請人不能為空！', trigger: 'blur' }
          ],
          applyPhone: [
            { required: true, message: '電話不能為空！', trigger: 'change' }
          ],
          startDate: [
            { required: true, type: 'date', message: '請輸入license有效期！', trigger: 'change' }
          ],
          endDate: [
            { required: true, type: 'date', message: '請輸入license有效期！', trigger: 'change' }
          ],
        }
      }
    },
    methods: {
      handleSubmit (name) {
        this.$refs[name].validate((valid) => {
          if (valid) {
            axios({
              method: 'post',
              url: this.$store.getters.requestNoteUrl,
              data: this.formValidate,
              responseType: 'blob'
            }).then(res => {
              this.download(res.data);
            });
          }
        });
      },
      download (data) {
        if (!data) {
          return
        }
        let url = window.URL.createObjectURL(new Blob([data]))
        let link = document.createElement('a');
        link.style.display = 'none';
        link.href = url;
        link.setAttribute('download', this.formValidate.orgName+'('+ this.formValidate.applyName +')'+'-申請單.doc');
        document.body.appendChild(link);
        link.click();
      }
    }
  }
</script>

/**
 * 生成license申請單
 */
@RequestMapping(value = "/note", method = RequestMethod.POST)
public void requestNote(@RequestBody LicenseRequestNoteModel noteModel, HttpServletRequest req, HttpServletResponse resp) {
  File file = null;
  InputStream fin = null;
  ServletOutputStream out = null;
  try {
    req.setCharacterEncoding("utf-8");
    file = ExportDoc.createWord(noteModel, req, resp);
    fin = new FileInputStream(file);
    resp.setCharacterEncoding("utf-8");
    resp.setContentType("application/octet-stream");
    resp.addHeader("Content-Disposition", "attachment;filename="+ noteModel.getOrgName()+"申請單.doc");
    resp.flushBuffer();
    out = resp.getOutputStream();
    byte[] buffer = new byte[512]; // 緩沖區(qū)
    int bytesToRead = -1;
    // 通過循環(huán)將讀入的Word文件的內(nèi)容輸出到瀏覽器中
    while ((bytesToRead = fin.read(buffer)) != -1) {
      out.write(buffer, 0, bytesToRead);
    }
 
  } catch (Exception e) {
    e.printStackTrace();
  } finally {
    try {
      if (fin != null) fin.close();
      if (out != null) out.close();
      if (file != null) file.delete(); // 刪除臨時文件
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
 
}

public class ExportDoc {
  private static final Logger logger = LoggerFactory.getLogger(ExportDoc.class);
  // 針對下面這行有的報空指針，是目錄問題，我的目錄（項目/src/main/java,項目/src/main/resources）,這塊也可以自己指定文件夾
  private static final String templateFolder = ExportDoc.class.getClassLoader().getResource("/").getPath();
  private static Configuration configuration = null;
  private static Map<String, Template> allTemplates = null;
 
  static {
    configuration = new Configuration();
    configuration.setDefaultEncoding("utf-8");
 
    allTemplates = new HashedMap();
    try {
      configuration.setDirectoryForTemplateLoading(new File(templateFolder));
      allTemplates.put("resume", configuration.getTemplate("licenseApply.ftl"));
    } catch (IOException e) {
      e.printStackTrace();
      throw new RuntimeException(e);
    }
  }
 
 
  public static File createWord(LicenseRequestNoteModel noteModel, HttpServletRequest req, HttpServletResponse resp) throws Exception {
    File file = null;
 
    req.setCharacterEncoding("utf-8");
    // 調(diào)用工具類WordGenerator的createDoc方法生成Word文檔
    file = createDoc(getData(noteModel), "resume");
    return file;
  }
 
 
  public static File createDoc(Map<?, ?> dataMap, String type) {
    String name = "temp" + (int) (Math.random() * 100000) + ".doc";
    File f = new File(name);
    Template t = allTemplates.get(type);
    try {
      // 這個地方不能使用FileWriter因為需要指定編碼類型否則生成的Word文檔會因為有無法識別的編碼而無法打開
      Writer w = new OutputStreamWriter(new FileOutputStream(f), "utf-8");
      t.process(dataMap, w);
      w.close();
    } catch (Exception ex) {
      ex.printStackTrace();
      throw new RuntimeException(ex);
    }
    return f;
  }
 
 
  private static Map<String, Object> getData(LicenseRequestNoteModel noteModel) throws Exception {
 
    Map<String, Object> map = new HashedMap();
    map.put("orgName", noteModel.getOrgName());
    map.put("applyName", noteModel.getApplyName());
    map.put("applyPhone", noteModel.getApplyPhone());
    map.put("ncVersion", noteModel.getNcVersionModel());
    map.put("environment", noteModel.getEnvironmentModel());
    map.put("applyType", noteModel.getApplyTypeModel());
 
    map.put("mac", GetLicenseSource.getMacId());
    map.put("ip", GetLicenseSource.getLocalIP());
    map.put("startData", DateUtil.Date(noteModel.getStartData()));
    map.put("endData", DateUtil.Date(noteModel.getEndData()));
    map.put("hostName", noteModel.getHostNames());
    map.put("vmemo", noteModel.getVmemo());
    return map;
  }
 
}

public class LicenseRequestNoteModel{
  private String orgName = null;
 
  private String applyName = null;
 
  private String applyPhone = null;
  
  private String ncVersionModel= null;
 
  private String environmentModel= null;
 
  private String applyTypeModel= null;
 
  @JsonFormat(pattern = "yyyy-MM-dd", timezone = "GMT+8")
  @DateTimeFormat(pattern = "yyyy-MM-dd")
  private Date startData= null;
 
  @JsonFormat(pattern = "yyyy-MM-dd", timezone = "GMT+8")
  @DateTimeFormat(pattern = "yyyy-MM-dd")
  private Date endData= null;
 
  private String[] hostName= null;
 
  private String vmemo= null;
 
  private String applyMAC= null;
 
  private String applyIP= null;
 
  public String getOrgName() {
    return orgName;
  }
 
  public void setOrgName(String projectName) {
    this.orgName = projectName;
  }
 
  public String getApplyName() {
    return applyName;
  }
 
  public void setApplyName(String applyName) {
    this.applyName = applyName;
  }
 
  public String getApplyPhone() {
    return applyPhone;
  }
 
  public void setApplyPhone(String applyPhone) {
    this.applyPhone = applyPhone;
  }
 
  public String getNcVersionModel() {
    return ncVersionModel;
  }
 
  public void setNcVersionModel(String ncVersionModel) {
    this.ncVersionModel = ncVersionModel;
  }
 
  public String getEnvironmentModel() {
    return environmentModel;
  }
 
  public void setEnvironmentModel(String environmentModel) {
    this.environmentModel = environmentModel;
  }
 
  public String getApplyTypeModel() {
    return applyTypeModel;
  }
 
  public void setApplyTypeModel(String applyTypeModel) {
    this.applyTypeModel = applyTypeModel;
  }
 
  public Date getStartData() {
    return startData;
  }
 
  public void setStartData(Date startData) {
    this.startData = startData;
  }
 
  public Date getEndData() {
    return endData;
  }
 
  public void setEndData(Date endData) {
    this.endData = endData;
  }
 
  public String[] getHostName() {
    return hostName;
  }
 
  public String getHostNames() {
    return StringUtils.join(this.hostName,"，");
  }
  public void setHostName(String[] hostName) {
    this.hostName = hostName;
  }
 
  public String getVmemo() {
    return vmemo;
  }
 
  public void setVmemo(String vmemo) {
    this.vmemo = vmemo;
  }
 
  public String getApplyMAC() {
    return applyMAC;
  }
 
  public void setApplyMAC(String applyMAC) {
    this.applyMAC = applyMAC;
  }
 
  public String getApplyIP() {
    return applyIP;
  }
 
  public void setApplyIP(String applyIP) {
    this.applyIP = applyIP;
  }
}

<el-card class="box-card">
<div slot="header" class="clearfix">
<span>數(shù)據(jù)預覽</span>
</div>
<div class="text item">
<el-table :data="tableData" border highlight-current-row style="width: 100%;">
<el-table-column :label="tableTitle" >
<el-table-column min-width="150" v-for='item tableHeader' :prop="item" :label="item" :key='item'>
</el-table-column>
</el-table-column>
</el-table>
</div>
</el-card>

import XLSX from 'xlsx'
 
data() {
  return {
    tableData: '', 
    tableHeader: '' 
  }
},
mounted: {
  document.getElementsByClassName('el-upload__input')[0].setAttribute('accept', '.xlsx, .xls')
  document.getElementsByClassName('el-upload__input')[0].onchange = (e) => {
    const files = e.target.filesconst itemFile = files[0] // only use files[0]if (!itemFile) 
    return this.readerData(itemFile)
  }
},
methods: {
  generateDate({ tableTitle, header, results }) {
    this.tableTitle = tableTitle
    this.tableData = results
    this.tableHeader = header
  },
  handleDrop(e) {
    e.stopPropagation()
    e.preventDefault()
    const files = e.dataTransfer.files
    if (files.length !== 1) {
      this.$message.error('Only support uploading one file!')
      return
    }
    const itemFile = files[0] // only use files[0]
    this.readerData(itemFile)
    e.stopPropagation()
    e.preventDefault()
  },
  handleDragover(e) {
    e.stopPropagation()
    e.preventDefault()
    e.dataTransfer.dropEffect = 'copy'
  },
  readerData(itemFile) {
    if (itemFile.name.split('.')[1] != 'xls' && itemFile.name.split('.')[1] != 'xlsx') {
      this.$message({message: '上傳文件格式錯誤，請上傳xls、xlsx文件！',type: 'warning'});
     } else {
      const reader = new FileReader()
      reader.onload = e => {
        const data = e.target.result
        const fixedData = this.fixdata(data)
        const workbook = XLSX.read(btoa(fixedData), { type: 'base64' })
        const firstSheetName = workbook.SheetNames[0] // 第一張表 sheet1
        const worksheet = workbook.Sheets[firstSheetName] // 讀取sheet1表中的數(shù)據(jù)       delete worksheet['!merges']let A_l = worksheet['!ref'].split(':')[1] //當excel存在標題行時
        worksheet['!ref'] = `A2:${A_l}`
        const tableTitle = firstSheetName
        const header = this.get_header_row(worksheet)
        const results = XLSX.utils.sheet_to_json(worksheet)
        this.generateDate({ tableTitle, header, results })
       }
        reader.readAsArrayBuffer(itemFile)
     }
  },
  fixdata(data) {
    let o = ''
    let l = 0
    const w = 10240
    for (; l < data.byteLength / w; ++l) 
    o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w, l * w + w)))
    o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w)))
    return o
  },
  get_header_row(sheet) {
    const headers = []
    const range = XLSX.utils.decode_range(sheet['!ref'])
    let Cconst R = range.s.r /* start in the first row */
    for (C = range.s.c; C <= range.e.c; ++C) { /* walk every column in the range */
      var cell = sheet[XLSX.utils.encode_cell({ c: C, r: R })] /* find the cell in the first row */
      var hdr = 'UNKNOWN ' + C // <-- replace with your desired defaultif (cell && cell.t) 
      hdr = XLSX.utils.format_cell(cell)
      headers.push(hdr)
    }
    return headers
  }