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在SpreadJS中,可以使用Worksheet类的 setFormula 方法在单元格中设置公式。下面的图像显示了在B列上应用不同公式后的结果值。
本示例在单元格中设置公式。
window.onload = function()
{
var spread =
new GC.Spread.Sheets.Workbook(document.getElementById("ss"),
{sheetCount:3});
var activeSheet = spread.getActiveSheet();
activeSheet.setRowCount(5);
activeSheet.setColumnCount(2);
activeSheet.getRange(-1, 1, -1, 1)
.backColor("lightYellow")
.width(120);
activeSheet.setValue(0, 0, 10);
activeSheet.setValue(1, 0, 20);
activeSheet.setValue(2, 0, 30);
activeSheet.setValue(3, 0, 40);
activeSheet.setValue(4, 0, 50);
// 设置SUM函数(所有参数值的和)。
activeSheet.setFormula(0, 1, "SUM(A1:A5)");
// 设置PRODUCT函数(所有参数值的乘积)。
activeSheet.setFormula(1, 1, "PRODUCT(A1:A5)");
// 设置AVERAGE函数(对所有参数值进行平均)。
activeSheet.setFormula(2, 1, "AVERAGE(A1:A5)");
// 设置单元格(0,0)和单元格(4,0)的和。
activeSheet.setFormula(3, 1, "A1 + A5");
/* 如果单元格(0,0)的值大于10,则将单元格(0,0)乘以2,
否则就乘以3。*/
activeSheet.setFormula(4, 1, "IF(A1>10, A1*2, A1*3)");
}
你可以在公式中引用其他表格。下面的图片显示了第一个表单。
下图显示了第二个表单。
本例使用了跨表单引用。
window.onload = function()
{
var spread =
new GC.Spread.Sheets.Workbook(document.getElementById("ss"),{sheetCount:3});
var activeSheet = spread.getActiveSheet();
var sheet1 = spread.getSheet(0),
sheet2 = spread.getSheet(1);
sheet1.name("Sheet1");
sheet2.name("Sheet2");
sheet1.setValue(0, 0, 1000);
sheet1.setValue(1, 0, 2000);
sheet1.setValue(2, 0, 3000);
sheet1.setValue(3, 0, 4000);
sheet1.getRange(0, 0, 4, 1).backColor("lightPink");
sheet2.setValue(0, 0, 5000);
sheet2.getRange(0, 0, 1, 1).backColor("lightCyan");
// 设置“Sheet1: total of cell(0,0) to cell(3,0)”和“Sheet2: cell(0,0)”的求和公式。
sheet2.setFormula(1, 1, "SUM(Sheet1!A1:A4) + Sheet2!A1");
sheet2.getRange(1, 1, 1, 1).backColor("lemonChiffon");
}
您可以设置SUBTOTAL公式,如下图所示。
本例使用subtotal公式。
$(document).ready(function ()
{
var spread =
new GC.Spread.Sheets.Workbook(document.getElementById("ss"),
{sheetCount:3});
var activeSheet = spread.getActiveSheet();
activeSheet.setColumnCount(2);
activeSheet.options.colHeaderAutoText = GC.Spread.Sheets.HeaderAutoText.blank;
activeSheet.setText(0, 1, "Value", GC.Spread.Sheets.SheetArea.colHeader);
activeSheet.options.gridline = {showHorizontalGridline: false};
activeSheet.setText(3, 0, "Sub-Total1");
activeSheet.setText(7, 0, "Sub-Total2");
activeSheet.setText(8, 0, "Aggregate");
activeSheet.getRange(3, -1, 1, -1).backColor("lemonChiffon");
activeSheet.getRange(7, -1, 1, -1).backColor("lemonChiffon");
activeSheet.getRange(8, -1, 1, -1).backColor("lightPink");
activeSheet.setValue(0, 1, 100);
activeSheet.setValue(1, 1, 200);
activeSheet.setValue(2, 1, 300);
activeSheet.setValue(4, 1, 400);
activeSheet.setValue(5, 1, 500);
activeSheet.setValue(6, 1, 600);
// 使用SUBTOTAL函数设置小计和聚合。
activeSheet.setFormula(3, 1, "SUBTOTAL(9,B1:B3)");
activeSheet.setFormula(7, 1, "SUBTOTAL(9,B5:B7)");
activeSheet.setFormula(8, 1, "SUBTOTAL(9,B1:B7)");
});