Question

将我的JSON数据写入xml表的单元格时，所有数据仅在下面一列显示。列标题虽然可以正确显示在各个列中。（我的数据来自我要上传的excel文件）请告诉我我的错误所在：

<m:Table id="testdata3">
<m:columns>                                 <!-- Columns created in controller -->
</m:columns>
<m:items>                                   <m:ColumnListItem id="columnsListItem" press="onPressListItem"  type="Navigation">                                   <m:cells>  
<!-- Cells created in controller -->    
         </m:cells>                         
        </m:ColumnListItem>
</m:items>
</m:Table>

控制器：

_import : function(file) {
            var oTable = this.getView().byId('testdata3');
            if(file && window.FileReader){
                var reader = new FileReader();
                var result = {}, data;
                var that = this;
                reader.readAsBinaryString(file);
                reader.onload = function(e) {
                    ... not relevant code ..
                    var aColumns = that.getColumnNames(worksheet);
                    var aData = that.getRowData(worksheet, result);     
                    var oModel = new sap.ui.model.json.JSONModel();
                    oModel.setData({
                        columns: aColumns,
                        rows: aData
                    });
                    oTable.setModel(oModel);
                    oTable.bindAggregation("columns", "/columns", function(index, context) {
                        return new sap.m.Column({
                            header: new sap.m.Label({
                                text: context.getObject().columnId
                            })
                        });
                    });

                    oTable.bindAggregation("items", "/rows", function(index, context) {
                        var roa = XLSX.utils.sheet_to_json(worksheet);

                        if(roa.length > 0){

                            result[worksheet] = roa;

                        }
                        for(var i = 0; i < roa.length; i++){

                            return new sap.m.ColumnListItem({
                                cells: [
                                    new Text({ text :context.getObject().cellId })
                                    ]
                            })
                        };
                    });

                };
            };
        },

这是输出数据的屏幕截图：

Answer 1

控制器

请尝试以下示例。

    onChange: function(oEvent) {
        var file = oEvent.getParameter("files")[0];
        var oTable = this.byId("testdata3");
        var reader = new FileReader();
        var that = this;
        reader.readAsBinaryString(file);
        reader.onload = function(e) {
            var data = e.target.result;
            var wb = XLSX.read(data, {
                type: "binary"
            });

            var firstSheetName = wb.SheetNames[0];
            var worksheet = wb.Sheets[firstSheetName];
            var oModel = new sap.ui.model.json.JSONModel();
            var aColumns = that.getColumnNames(worksheet);
            var aData = that.getRowData(worksheet);
            var aCells = that.getCells(aData);

            oModel.setData({
                columns: aColumns,
                rows: aData
            });

            oTable.setModel(oModel);
            oTable.bindAggregation("columns", "/columns", function(index, context) {
                return new sap.m.Column({
                    header: new sap.m.Label({
                        text: context.getObject().columnId
                    })
                });
            });

            oTable.bindAggregation("items", "/rows", new sap.m.ColumnListItem({
                // CHANGE ACCORDINGLY OR MAKE DYNAMIC
                cells: aCells
            }));
        };

    },

    getColumnNames: function(worksheet) {
        var oColumns = [];
        var cells = Object.keys(worksheet);
        for (var i = 0; i < Object.keys(cells).length; i++) {
            if (cells[i].indexOf("1") > -1) {
                var columnName = worksheet[cells[i]].v;
                oColumns.push({
                    columnId: columnName
                });
            }
        }
        return oColumns;
    },

    getRowData: function(worksheet, result) {
        var data = XLSX.utils.sheet_to_json(worksheet);
        return data;
    },

    getCells: function(aData) {
        var cells = [];
        var keys = Object.keys(aData[0]);
        for (var i = 0; i < keys.length; i++) {
            cells[i] = new sap.m.Text({
                text: "{" + keys[i] + "}"
            });
        }

        return cells;
    }

在XML表中编写JSON模型-遍历项目

1 个答案: