Layui上传Excel, 并返回每行导入的结果

前端代码

     上传Excel



  layui.config({
        base: 'assets/layuiadmin/' //静态资源所在路径
    }).extend({
        index: 'lib/index', //主入口模块
        excel: 'layui_exts/excel'
    }).use(['form', 'upload' , 'excel'], function(){
        var form = layui.form;
        var excel = layui.excel;
	var timestart = Date.now();
	var uploadLoading;
	// Excel上传
	layui.upload.render({
	    elem: '#uploadExcel',
	    url: 'uploadexcel',
	    accept: 'file',
	    exts: 'xlsx',
	    data: {},
	    field: 'excel',
	    before: function() {
		    this.data = { "name": "动态携带参数"};
		    uploadLoading = layer.msg('正在导入中，请稍候...', {icon: 16, time: 0, shade: 0.3});
		    timestart = Date.now();
	    },
	    done: function(data) {
		    console.log(data);
		    // 弹窗. 显示导入结果
		    var array = new Array();
		    for(var key in data) {
		        array.push({ "number" : key , "result" : data[key]})
		    }
		    layer.close(uploadLoading);
		    exportApi(array);
	    },
	    error: function(data, index){
		    layer.close(uploadLoading);
		    if(data != null) {
		        top.dialog.msg(data.msg);
		    }
	    },
	});

	function exportApi(list) {
	    var loadLayerIndex = top.dialog.msg("正在导出Excel数据中...", {icon: 16, time: 0, shade: 0.3});
	    /**
	     * v：单元格的值
	     * t：单元格的类型 'b'布尔值、'n'数字、'e'错误、's'字符串、'd'日期
	     * s：单元格的样式
	     */
	    var data = [
		{
		    number: getExcelFormat("行号", true , '000000'),
		    result: getExcelFormat("结果", true , '000000'),
		}
	    ];
	    for(var i = 0 ; i < list.length; i++) {
		    data.push({
		        number:getExcelFormat(list[i].number, false , '000000'),
		        result:getExcelFormat(list[i].result, list[i].result.indexOf("成功") != -1 ? false : true, list[i].result.indexOf("成功") != -1 ? 'FF9900' : 'FF0000')
		    });
	    }
	    // A列宽 200, 默认给80
	    var colConf = excel.makeColConfig({
		    'A': 150,
		    'B': 450,
	    }, 140);
	    // 每一行的行高, 默认给20
	    var rowConf = excel.makeRowConfig({
		    1: 30,
	    }, 20)
	    excel.exportExcel({
		    sheet1: data
	    }, "数据导入结果"  + '.xlsx', 'xlsx', {
		    extend: {
		        sheet1: {
			        '!cols': colConf, 
                    '!rows': rowConf
		        }
		    }
	    })
	    var timeend = Date.now()
	    var spent = (timeend - timestart) / 1000
	    top.dialog.close(loadLayerIndex);
	    layer.msg('导入耗时 :' + spent + ' 秒');
	}
});

Java后台代码

    @PostMapping("uploadexcel")
    public synchronized JSONObject saveUploadExcel(MultipartFile excel, String name) {
        String extName = ""; // 扩展名格式：
        String saveFilePath = "";
        try {
            if (excel.getOriginalFilename().lastIndexOf(".") >= 0){
                extName = excel.getOriginalFilename().substring(excel.getOriginalFilename().lastIndexOf("."));
            }
            if (!extName.equals(".xlsx")) {
                throw new SaveException("文件格式错误");
            }
            String fileName = UUIDUtil.getUUID();
            File file = new File(fileProperties.getUploadPath());
            if(!file.exists()) {
                file.mkdirs();
            }
            File saveFile = new File(fileProperties.getUploadPath() + File.separator + "tempFile" + File.separator + fileName +  extName);
            FileUtils.copyInputStreamToFile(excel.getInputStream(), saveFile);
            saveFilePath = fileProperties.getUploadPath() + File.separator + "tempFile" + File.separator + fileName +  extName;
        } catch (IOException e) {
            e.printStackTrace();
        }
        JSONObject json = new JSONObject();
        try {
            json = execlUpload(saveFilePath);
        }catch(Exception e) {
            e.printStackTrace();
        }
        return json;
    }

    public JSONObject execlUpload(String saveFilePath) {
        File areaDataFile = new File(saveFilePath);
        JSONObject resultMap = new JSONObject();
        final int[] lineNumber = {1};
        final int[] starNumber = {1};
        final int[] notData = {0};
        final Map identityMap = new HashMap();
        // 读取第一个sheet 文件流会自动关闭
        EasyExcel.read(areaDataFile, new AnalysisEventListener>() {
            //直接使用Map来保存数据
            @Override
            public void invoke(Map rowData, AnalysisContext context) {
                lineNumber[0] = lineNumber[0] +1;
                if (starNumber[0] > lineNumber[0]) {
                    return;
                }
                int currentLineNumber = lineNumber[0];
                Map saveMap = new HashMap();
                List> queryList = new ArrayList>();
                String identity = rowData.get(0) == null ? "" : rowData.get(0).trim();// 获取每行第一列
		        // 判断本行是否有效
                if (StringUtil.isEmpty(identity)) {
                    resultMap.put(currentLineNumber + "", "该行无效");
                    notData[0] = notData[0] + 1;
                    return;
                } else {
                    notData[0] = 0;
                }
		        // 连续3行无效则不再继续
                if(notData[0] > 3) {
                    return;
                }
		        // 判断是否有重复
                if (identityMap.get(identity) != null) {
                    resultMap.put(currentLineNumber + "", "身份证号与第" + identityMap.get(identity) + "行重复");
                    return;
                }else{
                    identityMap.put(identity, currentLineNumber);
                }
		        // 对数据校验
		        if (!IdCardVerifyUtil.isIDCard(identity) ) {
                    resultMap.put(currentLineNumber + "", "格式错误");
                    return;
                }
                try{
                    // 做存储等操作
                    resultMap.put(currentLineNumber + "", "处理成功");
                }catch(Exception e) {
                    resultMap.put(currentLineNumber + "", "处理失败【" + e.getLocalizedMessage() + "】");
                    e.printStackTrace();
                }
            }
            @Override
            public void doAfterAllAnalysed(AnalysisContext context) {
                //所有行都解析完成
            }
        }).sheet().headRowNumber(1).doRead();
        return resultMap;
    }