Angular JS解析Excel

Angular JS解析Excel

https://www.aspsnippets.com/Articles/Read-Excel-File-using-AngularJS-and-HTML5-File-API.aspx
https://www.cnblogs.com/liuxianan/p/js-excel.html

<input type="file" class="uploadButton" id="uploadZjUserFile"/>
<input type="button" class="submitButton" value="导入" ng-click="uploadFile(3)"/>

const excelSuffix = ['xlsx', 'xls'];
	// 上传文件
	$scope.uploadFile = function (fieldType) {
    let file;
    if (fieldType === 1) {
        file = document.getElementById("uploadGroupFile").files[0];
        $scope.uploadFileWay = true;
    } else if (fieldType === 2) {
        file = document.getElementById("uploadZxUserFile").files[0];
    }
    if (file == null) {
        new hullabaloo().send("导入失败", "请选择文件", "danger");
    }
    if (excelSuffix.includes(file.name.substring(file.name.lastIndexOf('.') + 1).toLowerCase())) {
        if (typeof (FileReader) != "undefined") {
            const reader = new FileReader();
            // For Browsers other than IE.
            if (reader.readAsBinaryString) {
                reader.onload = function (e) {
                    $scope.processExcel(e.target.result, fieldType);
                };
                reader.readAsBinaryString(file);
            } else {
                // For IE Browser.
                reader.onload = function (e) {
                    let data = "";
                    const bytes = new Uint8Array(e.target.result);
                    for (let i = 0; i < bytes.byteLength; i++) {
                        data += String.fromCharCode(bytes[i]);
                    }
                    $scope.processExcel(data, fieldType);
                };
                reader.readAsArrayBuffer(file);
            }
        } else {
            $scope.clearFileUpload();
            new hullabaloo().send("导入失败", "当前浏览器不支持H5.", "danger");
        }
    } else {
        $scope.clearFileUpload();
        new hullabaloo().send("导入失败", "请上传Excel文件", "danger");
    }
};

// Excel解析
$scope.processExcel = function (data, fieldType) {
    // Read the Excel File data.
    const workbook = XLSX.read(data, {
        type: 'binary'
    });
    // Fetch the name of First Sheet.
    const firstSheet = workbook.SheetNames[0];
    // Read all rows from First Sheet into an JSON array.
    const excelRows = XLSX.utils.sheet_to_row_object_array(workbook.Sheets[firstSheet]);
    // Display the data from Excel file in Table.
    $scope.$apply(function () {
        const result = $scope.parseRow(excelRows, fieldType);
        if (result.includes(undefined)) {
            $scope.clearFileUpload();
            new hullabaloo().send("导入失败", "导入数据有误，请对照示例检查", "danger");
            return;
        }
        if (fieldType === 1) {
            // 组别
            $scope.seargropname2 = result;
        } else if (fieldType === 2) {
            // 坐席
            $scope.searchZxUser = result;
        }
    });
};

// 获取数据
$scope.parseRow = function (rows, fieldType) {
    const result = [];
    for (let i = 0; i < rows.length; i++) {
        if (fieldType === 1) {
	        // column name in first row
            result.push(rows[i].组别);
        } else if (fieldType === 2) {
            result.push(rows[i].坐席);
        }
    }
    return result;
};

// 清空
$scope.clearFileUpload = function() {
    document.getElementById("uploadGroupFile").value = '';
    document.getElementById("uploadZxUserFile").value = '';
};