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  • vue导入导出excel文件

    2019-04-16 09:00:39
    vue导入导出excel文件所需要用到的依赖文件,从网上转载而来,并非原创。大家需要可以从别处下载,这里下载需要积分,本人上传只是为了方便保存以供以后所用。
  • 主要介绍了Vue结合后台导入导出Excel问题详解,小编觉得挺不错的,现在分享给大家,也给大家做个参考。一起跟随小编过来看看吧
  • // cnpm install vue-xlsx-table -S // main.js中 import vueXlsxTable from 'vue-xlsx-table' Vue.use(vueXlsxTable, {rABS: true}) // 组件中 //template <vue-xlsx-table @on-select-file="handleSelectedFile...
    // cnpm install vue-xlsx-table -S
    // main.js中
    import vueXlsxTable from 'vue-xlsx-table'
    Vue.use(vueXlsxTable, {rABS: true})
    // 组件中
    //template
    <vue-xlsx-table @on-select-file="handleSelectedFile"></vue-xlsx-table>
    // script
     handleSelectedFile(convertedData) {
          let data = convertedData.body
          console.log(data)
     }
    
    展开全文
  • vue导入Excel文件,获取表格里面的内容,并回显在页面上。

    html部分

    <el-upload class="upload-demo" action="#" :on-change="handleChange" :show-file-list="false" :auto-upload="false">
      <el-button type="primary" size="small">导入Excel文件</el-button>
    </el-upload>

     js部分

    // 读入Excel文件内容: 核心部分代码(handleChange 和 importfile)
    handleChange(file) {
      this.fileContent = file.raw; // 上传的文件
      const fileName = file.name; // 文件名字
      const fileType = fileName.substring(fileName.lastIndexOf('.') + 1)
          if (this.fileContent) {
           if (fileType === 'xlsx' || fileType === 'xls') {
                this.importfile(this.fileContent);
              } else {
               this.$message({
               type: 'warning',
               message: '附件格式错误,请重新上传!'
            });
           }
         } else {
          this.$message({
          type: 'warning',
          message: '请上传附件!'
       });
     }
    },
    importfile(obj) {
      let formData = new FormData();
       Object.keys(this.form).forEach(key => {
        if (key === "file") {
          formData.append(key, obj)
            } else {
              formData.append(key, this.form[key])
            }
         })
            const loading = this.$loading({
               lock: true,
               text: 'Loading',
               spinner: 'el-icon-loading',
               background: 'rgba(0, 0, 0, 0.7)'
            });
            this.$axios.readerExcel(`请求地址`, formData).then(res => {
              if (res.data.status === 0) {
              this.$message({
              message: '文件导入成功',
              type: 'success'
             })
              loading.close()
              this.getData()
          } else if (res.data.status === 1) {
           this.$message.error(res.data.desc)
           loading.close()
        }
     })
    }

    注意:

    this.form为传给后端的参数。

    展开全文
  • 直接上代码,使用vue实现表格excel导入功能,使用vue实现表格excel的导出功能
  • vue导入excel文件,vue导入多个sheets

    千次阅读 2020-05-12 18:11:18
    用input 导入 excel 然后生成表格 html 导入按钮和选择文件的弹框 <el-button v-waves :loading='downloadLoading' class='filter-item' type='primary' icon='el-icon-download' @click='daoru'> 导入...

    用input 导入 excel ,然后生成表格,然后调用接口上传到后台

    html 导入按钮和选择文件的弹框

          <el-button v-waves :loading='downloadLoading' class='filter-item' type='primary' icon='el-icon-download' @click='daoru'>
            导入
          </el-button>
          <el-dialog title="导入文件" :visible.sync="excelImportShow">
            <a href="javascript:;" class="file">
              <input id="upload" type="file" @change="importfxx(this)" accept=".csv, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel" />
            </a>
            <div id="demo"></div>
            <div slot="footer" class="dialog-footer">
              <el-button @click.native="excelImportShow = false">取消</el-button>
              <el-button type="primary" @click.native="submit">提交</el-button>
            </div>
          </el-dialog>

    js 重中之重 导入 excel 开始啦

    1.data里面的数据

            excelImportShow: false,  //导入文件的弹框
            uploadArr: [],   // 上传给后台的数据
            realname: '',  // 以下都是我要转换的数据,因人而异
            gender: '',
            age: '',
            minzu: '',
            wenhua: '',
            shengfenzheng: '',
            job: '',
            mobile: '',
            mark: ''

    2. 导入弹框

          daoru() {
            this.excelImportShow = true
          },

    3. 导入方法

          // 导入
          importfxx(obj) {
            let _this = this;
            let inputDOM = this.$refs.inputer;
            // 通过DOM取文件数据
            this.file = event.currentTarget.files[0];
            var rABS = false; //是否将文件读取为二进制字符串
            var f = this.file;
            var reader = new FileReader();
            FileReader.prototype.readAsBinaryString = function(f) {
              var binary = "";
              var rABS = false; //是否将文件读取为二进制字符串
              var pt = this;
              var wb; //读取完成的数据
              var outdata;
              var reader = new FileReader();
              reader.onload = function(e) {
                var bytes = new Uint8Array(reader.result);
                var length = bytes.byteLength;
                for (var i = 0; i < length; i++) {
                  binary += String.fromCharCode(bytes[i]);
                }
                var XLSX = require('xlsx');
                if (rABS) {
                  wb = XLSX.read(btoa(fixdata(binary)), { //手动转化
                    type: 'base64'
                  });
                } else {
                  wb = XLSX.read(binary, {
                    type: 'binary'
                  });
                }
                outdata = XLSX.utils.sheet_to_json(wb.Sheets[wb.SheetNames[0]]); //outdata就是你想要的东西
                this.da = [...outdata]
                let arr = []
                let nameArr = outdata[1]
                for (let v in nameArr) {
                // 拿到 excel 里面的列名,根据列名得到里面的键名
                  let title = nameArr[v]
                  switch (title){
                    case '姓名':
                    console.log('这是姓名',nameArr[v]);
                    _this.realname = v
                    console.log('这是realname',v);
                      break;
                    case '性别':
                    console.log('这是性别',nameArr[v]);
                    _this.gender = v
                    console.log('这是gender',v);
                      break;
                    case '年龄':
                    console.log('这是年龄',nameArr[v]);
                    _this.age = v
                    console.log('这是age',v);
                      break;
                    case '民族':
                    console.log('这是民族',nameArr[v]);
                    _this.minzu = v
                    console.log('这是minzu',v);
                      break;
                    case '学历':
                    console.log('这是性别',nameArr[v]);
                    _this.wenhua = v
                    console.log('这是job',v);
                      break;
                    case '身份证号':
                    console.log('这是身份证号',nameArr[v]);
                    _this.shengfenzheng = v
                    console.log('这是shenfengzheng',v);
                      break;
                    case '工作单位/学校/社区':
                    console.log('"工作单位/学校/社区"',nameArr[v]);
                    _this.job = v
                    console.log('这是job',v);
                      break;
                    case '手机/电话':
                    console.log('这是手机/电话',nameArr[v]);
                    _this.mobile = v
                    console.log('这是mobile',v);
                      break;
                    case '备注':
                    console.log('这是备注',nameArr[v]);
                    _this.mark = v
                    console.log('这是mark',v);
                      break;
                    default:
                      break;
                  }
                }
                let obj
                let uploadArr = []
                // 这里是一个excel里面会有多个sheets,把里面的恶数据整个到这个数组里面一起上传
                let leng = Object.keys(wb.Sheets).length
                // 用for循环,leng 是sheets的个数,用来循环次数
                for (var i = 0; i < leng+1; i++) {
                  XLSX.utils.sheet_to_json(wb.Sheets[wb.SheetNames[i]])
                  let arrr = XLSX.utils.sheet_to_json(wb.Sheets[wb.SheetNames[i]])
                  arrr = arrr.slice(2)        //如果从第三行开始是数据,那这里就是1,如果从第四行开始是数据,那这里就是2
                  uploadArr.push.apply(uploadArr,arrr)
                  _this.uploadArr = uploadArr
                }
                this.da.map(v => {
                  let obj = {}
                  obj.id = v.id
                  obj.status = v.status
                  arr.push(obj)
                })
                let para = {
                  withList: arr
                }
                _this.$message({
                  message: '请耐心等待导入成功',
                  type: 'success'
                });
              }
              reader.readAsArrayBuffer(f);
            }
            if (rABS) {
              reader.readAsArrayBuffer(f);
            } else {
              reader.readAsBinaryString(f);
            }
          },

    4.确认导入 (其实这里就是上传到后台接口的,存到数据库里面才能保存)

          // 确认导入
          submit() {
            let uploadArr = this.uploadArr
            this.excelImportShow = false
            let obj
            for (let v in uploadArr) {
              obj = {realname:uploadArr[v][""+this.realname+""],
              age:uploadArr[v][""+this.age+""],
              gender: uploadArr[v][""+this.gender+""]=='男'?'MALE':'FEMALE',
              minzu: uploadArr[v][""+this.minzu+""],
              wenhua: uploadArr[v][""+this.wenhua+""],
              shengfenzheng: uploadArr[v][""+this.shengfenzheng+""],
              job: uploadArr[v][""+this.job+""],
              wenhua: uploadArr[v][""+this.wenhua+""],
              mobile:uploadArr[v][""+this.mobile+""],
              mark:uploadArr[v][""+this.mark+""],
              place: "00"}
              // 这里的obj 就是后台需要的参数,用变量表示键名 [""+此处是你的变量+""]
              createUser(obj).then((res) => {
              这是后台添加的方法
                if (res.data.return_code === '200') {
                  this.dialogFormVisible = false
                } else {
                  this.$notify.error(res.data.return_msg)
                }
              })
              if (parseInt(v) === parseInt(uploadArr.length)-1) {
                console.log(v+'和'+uploadArr.length);
                setTimeout(()=>{
                  this.$notify({
                    title: '成功',
                    message: '创建成功',
                    type: 'success',
                    duration: 2000
                  })
                  this.getList({ page: 1,limit: 20 })
                  // 添加成功之后调用list 接口,展示所添加的数据
                },1500)
              }
            }
          },

    才疏学浅,若有不足欢迎补充 

    展开全文
  • vue导入excel文件

    2021-08-16 17:43:57
    vue导入excel文件 1、安装插件 npm install -S file-saver xlsx npm install -D script-loader 2、在utils中创建excel文件夹放两个js文件 第一个Blob.js /* eslint-disable */ /* Blob.js * A Blob ...

    vue中导入excel文件

    1、安装插件

    npm install -S file-saver xlsx
    
     npm install -D script-loader
    

    2、在utils中创建excel文件夹放两个js文件
    第一个Blob.js

    /* eslint-disable */
    /* Blob.js
     * A Blob implementation.
     * 2014-05-27
     *
     * By Eli Grey, http://eligrey.com
     * By Devin Samarin, https://github.com/eboyjr
     * License: X11/MIT
     *   See LICENSE.md
     */
    
    /*global self, unescape */
    /*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
     plusplus: true */
    
    /*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */
    
    (function (view) {
        "use strict";
    
        view.URL = view.URL || view.webkitURL;
    
        if (view.Blob && view.URL) {
            try {
                new Blob;
                return;
            } catch (e) {}
        }
    
        // Internally we use a BlobBuilder implementation to base Blob off of
        // in order to support older browsers that only have BlobBuilder
        var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function(view) {
                var
                    get_class = function(object) {
                        return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
                    }
                    , FakeBlobBuilder = function BlobBuilder() {
                        this.data = [];
                    }
                    , FakeBlob = function Blob(data, type, encoding) {
                        this.data = data;
                        this.size = data.length;
                        this.type = type;
                        this.encoding = encoding;
                    }
                    , FBB_proto = FakeBlobBuilder.prototype
                    , FB_proto = FakeBlob.prototype
                    , FileReaderSync = view.FileReaderSync
                    , FileException = function(type) {
                        this.code = this[this.name = type];
                    }
                    , file_ex_codes = (
                        "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR "
                        + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR"
                    ).split(" ")
                    , file_ex_code = file_ex_codes.length
                    , real_URL = view.URL || view.webkitURL || view
                    , real_create_object_URL = real_URL.createObjectURL
                    , real_revoke_object_URL = real_URL.revokeObjectURL
                    , URL = real_URL
                    , btoa = view.btoa
                    , atob = view.atob
    
                    , ArrayBuffer = view.ArrayBuffer
                    , Uint8Array = view.Uint8Array
                    ;
                FakeBlob.fake = FB_proto.fake = true;
                while (file_ex_code--) {
                    FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1;
                }
                if (!real_URL.createObjectURL) {
                    URL = view.URL = {};
                }
                URL.createObjectURL = function(blob) {
                    var
                        type = blob.type
                        , data_URI_header
                        ;
                    if (type === null) {
                        type = "application/octet-stream";
                    }
                    if (blob instanceof FakeBlob) {
                        data_URI_header = "data:" + type;
                        if (blob.encoding === "base64") {
                            return data_URI_header + ";base64," + blob.data;
                        } else if (blob.encoding === "URI") {
                            return data_URI_header + "," + decodeURIComponent(blob.data);
                        } if (btoa) {
                            return data_URI_header + ";base64," + btoa(blob.data);
                        } else {
                            return data_URI_header + "," + encodeURIComponent(blob.data);
                        }
                    } else if (real_create_object_URL) {
                        return real_create_object_URL.call(real_URL, blob);
                    }
                };
                URL.revokeObjectURL = function(object_URL) {
                    if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) {
                        real_revoke_object_URL.call(real_URL, object_URL);
                    }
                };
                FBB_proto.append = function(data/*, endings*/) {
                    var bb = this.data;
                    // decode data to a binary string
                    if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) {
                        var
                            str = ""
                            , buf = new Uint8Array(data)
                            , i = 0
                            , buf_len = buf.length
                            ;
                        for (; i < buf_len; i++) {
                            str += String.fromCharCode(buf[i]);
                        }
                        bb.push(str);
                    } else if (get_class(data) === "Blob" || get_class(data) === "File") {
                        if (FileReaderSync) {
                            var fr = new FileReaderSync;
                            bb.push(fr.readAsBinaryString(data));
                        } else {
                            // async FileReader won't work as BlobBuilder is sync
                            throw new FileException("NOT_READABLE_ERR");
                        }
                    } else if (data instanceof FakeBlob) {
                        if (data.encoding === "base64" && atob) {
                            bb.push(atob(data.data));
                        } else if (data.encoding === "URI") {
                            bb.push(decodeURIComponent(data.data));
                        } else if (data.encoding === "raw") {
                            bb.push(data.data);
                        }
                    } else {
                        if (typeof data !== "string") {
                            data += ""; // convert unsupported types to strings
                        }
                        // decode UTF-16 to binary string
                        bb.push(unescape(encodeURIComponent(data)));
                    }
                };
                FBB_proto.getBlob = function(type) {
                    if (!arguments.length) {
                        type = null;
                    }
                    return new FakeBlob(this.data.join(""), type, "raw");
                };
                FBB_proto.toString = function() {
                    return "[object BlobBuilder]";
                };
                FB_proto.slice = function(start, end, type) {
                    var args = arguments.length;
                    if (args < 3) {
                        type = null;
                    }
                    return new FakeBlob(
                        this.data.slice(start, args > 1 ? end : this.data.length)
                        , type
                        , this.encoding
                    );
                };
                FB_proto.toString = function() {
                    return "[object Blob]";
                };
                FB_proto.close = function() {
                    this.size = this.data.length = 0;
                };
                return FakeBlobBuilder;
            }(view));
    
        view.Blob = function Blob(blobParts, options) {
            var type = options ? (options.type || "") : "";
            var builder = new BlobBuilder();
            if (blobParts) {
                for (var i = 0, len = blobParts.length; i < len; i++) {
                    builder.append(blobParts[i]);
                }
            }
            return builder.getBlob(type);
        };
    }(typeof self !== "undefined" && self || typeof window !== "undefined" && window || this.content || this));
    
    

    第二个Export2Excel.js

    /* eslint-disable */
    require('script-loader!file-saver');
    require('./Blob');
    require('script-loader!xlsx/dist/xlsx.core.min');
    function generateArray(table) {
        var out = [];
        var rows = table.querySelectorAll('tr');
        var ranges = [];
        for (var R = 0; R < rows.length; ++R) {
            var outRow = [];
            var row = rows[R];
            var columns = row.querySelectorAll('td');
            for (var C = 0; C < columns.length; ++C) {
                var cell = columns[C];
                var colspan = cell.getAttribute('colspan');
                var rowspan = cell.getAttribute('rowspan');
                var cellValue = cell.innerText;
                if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;
    
                //Skip ranges
                ranges.forEach(function (range) {
                    if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
                        for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
                    }
                });
    
                //Handle Row Span
                if (rowspan || colspan) {
                    rowspan = rowspan || 1;
                    colspan = colspan || 1;
                    ranges.push({s: {r: R, c: outRow.length}, e: {r: R + rowspan - 1, c: outRow.length + colspan - 1}});
                }
                ;
    
                //Handle Value
                outRow.push(cellValue !== "" ? cellValue : null);
    
                //Handle Colspan
                if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
            }
            out.push(outRow);
        }
        return [out, ranges];
    };
    
    function datenum(v, date1904) {
        if (date1904) v += 1462;
        var epoch = Date.parse(v);
        return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
    }
    
    function sheet_from_array_of_arrays(data, opts) {
        var ws = {};
        var range = {s: {c: 10000000, r: 10000000}, e: {c: 0, r: 0}};
        for (var R = 0; R != data.length; ++R) {
            for (var C = 0; C != data[R].length; ++C) {
                if (range.s.r > R) range.s.r = R;
                if (range.s.c > C) range.s.c = C;
                if (range.e.r < R) range.e.r = R;
                if (range.e.c < C) range.e.c = C;
                var cell = {v: data[R][C]};
                if (cell.v == null) continue;
                var cell_ref = XLSX.utils.encode_cell({c: C, r: R});
    
                if (typeof cell.v === 'number') cell.t = 'n';
                else if (typeof cell.v === 'boolean') cell.t = 'b';
                else if (cell.v instanceof Date) {
                    cell.t = 'n';
                    cell.z = XLSX.SSF._table[14];
                    cell.v = datenum(cell.v);
                }
                else cell.t = 's';
    
                ws[cell_ref] = cell;
            }
        }
        if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range);
        return ws;
    }
    
    function Workbook() {
        if (!(this instanceof Workbook)) return new Workbook();
        this.SheetNames = [];
        this.Sheets = {};
    }
    
    function s2ab(s) {
        var buf = new ArrayBuffer(s.length);
        var view = new Uint8Array(buf);
        for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
        return buf;
    }
    
    export function export_table_to_excel(id) {
        var theTable = document.getElementById(id);
        console.log('a')
        var oo = generateArray(theTable);
        var ranges = oo[1];
    
        /* original data */
        var data = oo[0];
        var ws_name = "SheetJS";
        console.log(data);
    
        var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
    
        /* add ranges to worksheet */
        // ws['!cols'] = ['apple', 'banan'];
        ws['!merges'] = ranges;
    
        /* add worksheet to workbook */
        wb.SheetNames.push(ws_name);
        wb.Sheets[ws_name] = ws;
    
        var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'});
    
        saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), "test.xlsx")
    }
    
    function formatJson(jsonData) {
        console.log(jsonData)
    }
    export function export_json_to_excel(th, jsonData, defaultTitle) {
    
        /* original data */
    
        var data = jsonData;
        data.unshift(th);
        var ws_name = "SheetJS";
    
        var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
    
    
        /* add worksheet to workbook */
        wb.SheetNames.push(ws_name);
        wb.Sheets[ws_name] = ws;
    
        var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'});
        var title = defaultTitle || '列表'
        saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), title + ".xlsx")
    }
    
    

    结构如图
    在这里插入图片描述

    3、main.js引入

    import XLSX from 'xlsx'
    Vue.use(XLSX);
    import "../src/utils/excel/Blob"
    import "../src/utils/excel/Export2Excel"
    

    4、模板使用

    <template>
        <div>
       <input id="upload" type="file" @change="importfxx(this)" accept=".csv, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel" />
        </div>
    
    </template>
    <script>
    export default {
      data() {
        return {};
      },
      methods: {
        importfxx(obj) {
          let _this = this;
          console.log("xxxxxxxxxxxxxxxxxxxxxxxxxxx1");
          let inputDOM = this.$refs.inputer;
          // 通过DOM取文件数据
    
          this.file = event.currentTarget.files[0];
    
          var rABS = false; //是否将文件读取为二进制字符串
          var f = this.file;
    
          var reader = new FileReader();
          //if (!FileReader.prototype.readAsBinaryString) {
          FileReader.prototype.readAsBinaryString = function(f) {
            var binary = "";
            var rABS = false; //是否将文件读取为二进制字符串
            var pt = this;
            var wb; //读取完成的数据
            var outdata;
            var reader = new FileReader();
            reader.onload = function(e) {
              var bytes = new Uint8Array(reader.result);
              var length = bytes.byteLength;
              for (var i = 0; i < length; i++) {
                binary += String.fromCharCode(bytes[i]);
              }
              var XLSX = require("xlsx");
              if (rABS) {
                wb = XLSX.read(btoa(fixdata(binary)), {
                  //手动转化
                  type: "base64"
                });
              } else {
                wb = XLSX.read(binary, {
                  type: "binary"
                });
              }
              outdata = XLSX.utils.sheet_to_json(wb.Sheets[wb.SheetNames[0]]); //outdata就是你想要的东西
              console.log(outdata)
            };
            reader.readAsArrayBuffer(f);
          };
          if (rABS) {
            reader.readAsArrayBuffer(f);
          } else {
            reader.readAsBinaryString(f);
          }
        }
      }
    };
    </script>
    

    5、效果如图
    在这里插入图片描述

    展开全文
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