vue 导入excle 处理excle数据后表格展示

效果演示

前端代码

<template>
    <div>
        <div>
            <p>模型或者输入项</p>
            <vue-json-editor
            v-model="jsontarget" 
            :show-btns="false"  
            :mode="'code'" 
            lang="zh"  
            @json-change="onJsonChange"  
            @json-save="onJsonSave" 
            @has-error="onError"></vue-json-editor>
        </div>
        <p/>
        <div class="insuranceDataImport">
            <el-upload
    class="upload-demo"
    action=""
    :on-change="handleChange"
    :on-remove="handleRemove"
    accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet,application/vnd.ms-excel"
    :auto-upload="false">
    <el-button size="small" type="primary">点击上传</el-button>
    <div slot="tip" class="el-upload__tip">只 能 上 传 xlsx / xls 文 件</div>
  </el-upload>
        
        </div>
    <template>
  <el-table
    :data="tableData" border  height="680px" style="width: 100%"  :row-class-name="tableRowClassName">
    <el-table-column
      prop="KEY"
      label="KEY"
      width="180">
    </el-table-column>
    <el-table-column
      prop="VALUE"
      label="VALUE"
      width="180">
    </el-table-column>
    <el-table-column
      prop="A_Exsits"
      label="key是否存在">
    </el-table-column>
    <el-table-column
      prop="value_Exsits"
      label="value是否存在">
    </el-table-column>
    <el-table-column
      prop="B_Exsits"
      label="key对应VALUE值">
    </el-table-column>
    </el-table-column>
  </el-table>
</template>
    </div>
</template>
<script>
import vueJsonEditor from 'vue-json-editor'
import XLSX from "xlsx"
import axios from 'axios'
import { platformBaseUrl } from '@/api/baseHost'
import tp1 from '@/components/CardTemplate/tp1.vue'
export default {
     components: {
      vueJsonEditor
    },
    data () {
        return {
            jsontarget:{},
            tableData: [{
          'KEY': 'demo',
          'VALUE': 'msg',
          'A_Exsits': 'Y',
          'value_Exsits':'demo of jsoneditor',
          'B_Exsits':'Y',
        },{
          'KEY': 'demo1',
          'VALUE': 'msg1',
          'A_Exsits': 'Y',
          'value_Exsits':'demo of jsoneditor1',
          'B_Exsits':'Y',
        }],
           fileTemp:null,
        }
    },
    methods: {
         tableRowClassName(tableData) {
        // debugger
        if (JSON.parse(JSON.stringify(tableData)).row.A_Exsits == "N" || JSON.parse(JSON.stringify(tableData)).row.B_Exsits=="N" ||JSON.parse(JSON.stringify(tableData)).row.value_Exsits==-999)
        {
          return 'success-row';
        }
        return '';
      },
        onJsonChange (value) 
        {
            console.log('value:', value);
        },
        showModal(msg) {
            console.log('showModal resTrans msg.data after', msg)},
        onJsonSave (value) {
            console.log('value:', value);
        },
        onError (value) {
            console.log('value:', value);
        },
        handleChange(file, fileList){
            this.fileTemp = file.raw
        },

        handleRemove(file,fileList){
            this.fileTemp = null
        },
        handleChange(file, fileList) {
		this.fileTemp = file.raw
		// 判断上传文件格式
		if (this.fileTemp) {
			if ((this.fileTemp.type == 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet') || (this.fileTemp.type ==
					'application/vnd.ms-excel')) {
					this.importfxx(this.fileTemp)
			} else {
				this.$message({
					type: 'warning',
					message: '附件格式错误，请删除后重新上传！'
				})
			}
		} else {
			this.$message({
				type: 'warning',
				message: '请上传附件！'
			})
		}
	},
	// 移除excel表
	handleRemove(file, fileList) {
		this.fileTemp = null
	},
	
importfxx(obj) {
    let _this = this;
    // 通过DOM取文件数据
    this.file = obj
    var rABS = false; //是否将文件读取为二进制字符串
    var f = this.file;
    var jsontarget=this.jsontarget
    // var tableData=this.tableData
    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();
        /*
        在读取后，触发的事件，并获取读取文件的地址
        */
        reader.onload = function(e) {
        //返回的结果为reader.result是类型化数组
        var bytes = new Uint8Array(reader.result);
        var length = bytes.byteLength;
        for(var i = 0; i < length; i++) {
            binary += String.fromCharCode(bytes[i]); //将 Unicode 编码转为一个字符:
        }

        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]
            console.log('入参：'+this.da+'-----'+jsontarget)
            axios.post(platformBaseUrl + "/api/modeCheck/", {jsonA:this.da,jsonB:jsontarget})
            .then(response => {
                // debugger
                _this.tableData = response.data.result;
                console.log('成功了'+_this.tableData)
                return _this.tableData
                })
                .catch(err => {
                // this.tableData =response.data.result;
                console.log('失败了')
                });
            // return outdata
        }
        //开始读取指定的Blob中的内容，一旦完成，result属性中保存的将是被读取文件的
        reader.readAsArrayBuffer(f);
    }

    if(rABS) {
        reader.readAsArrayBuffer(f);
    } else {
        reader.readAsBinaryString(f);
    }
  },

    }
}
</script>
<style>
  .el-table .warning-row {
    background: oldlace;
  }

  .el-table .success-row {
    background:	#1E90FF;
  }
</style>