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       
(Showing Draft Content)

IO

您可以和spreadsheet一样以各种不同格式导出纸张表,例如JSON,Excel,PDF,甚至打印。

json序列化

TableSheet JSON 序列化和反序列化是使用工作簿的toJSONfromJSON方法完成的。JSON 文件包括了选项和 actionColumn 等信息,但不包括 dataView 和 dataView 列。

建议在 fromJSON 之后使用setDataView方法。

function saveJSON() {
    // 保存json
    var json = spread.toJSON({ includeBindingSource: true, saveAsView: true });
    saveAs(new Blob([JSON.stringify(json)], { type: "text/plain;charset=utf-8" }), 'exportedJSON.ssjson');
}

function openJSON() {
    // 加载json
    var file = document.getElementById("fileDemo").files[0];
    if (file) {
        var reader = new FileReader();
        reader.onload = function () {
            var json = JSON.parse(this.result);
            spread.fromJSON(json);
        };
        reader.readAsText(file);
    }

}

导出Excel文件

使用gc.sproad.excel.io的save方法可以将TableSheet导出到Excel。 当 saveAsView 为 true 且不包括图标集、数据栏和数据验证时,TableSheet视为worksheet中的一个包括 alterRowStyles 和条件格式的table,

导出到 Excel 时,建议将 includeBindingSource 设置为 true。导出到 Excel 时,将 saveAsView 设置为 true 是可选的。

function saveExcel() {
    // 保存Excel.
    var excelIo = new GC.Spread.Excel.IO();
    var json = spread.toJSON({ includeBindingSource: true, saveAsView: true });
    excelIo.save(json, function (blob) {
        saveAs(blob, "exportedExcel.xlsx");
    }, function (e) {
        console.log(e);
    });
}

导出PDF

使用工作簿的savePDF方法将TableSheet导出为PDF。 PDF 包括绑定结果,但不包括图标、选项和 actionColumn。

在打印或导出为PDF时,用户可以使用printInfo方法自定义打印信息。

function savePDF() {
    // 保存PDF.
    spread.savePDF(function (blob) {
        saveAs(blob, "exportedPDF.pdf");
    }, function (error) {
        console.log(error);
    }, null, spread.getSheetCount() + spread.getActiveSheetTabIndex());
}

打印 Tablesheet

使用工作簿的print方法可以进行Tablesheet打印。 打印包括绑定结果,但不包括图标、选项和 actionColumn。

function print() {
    // Print Spread
    spread.print();
}