ISOMITTED函数

检查LAMBDA中的值是否丢失,并返回TRUE或FALSE。

简介
app.js
index.html
styles.css
在JSCodeMine中运行

语法

=ISOMITTED(argument)

ISOMITTED函数的语法有以下参数。

  • argument
    你想测试的值,如LAMBDA参数。

示例

sheet.setFormula(3, 5, 'LAMBDA(x,y, ISOMITTED(y))(1,)'); // result is true
sheet.setFormula(3, 5, 'LAMBDA(x,y, ISOMITTED(y))(1,2)'); // result is false
语法 ISOMITTED函数的语法有以下参数。 argument 你想测试的值,如LAMBDA参数。 示例
var data = { values: { 1: { 1: "Examples" }, 3: { 1: "Example 1: Check for a missing parameter and return a friendly string" }, 4: { 1: "Formula:" }, 5: { 1: "Result:" }, }, formulas: { 4: { 2: "FORMULATEXT(C6)" }, 5: { 2: 'LAMBDA(x,y,IF(ISOMITTED(y),"Missing second argument",x+y))(1,)' }, }, cellStyles: { "B2:C2": 0, "B4:H4": 1, B5: 2, "C5:I5": 3, B6: 4, "C6:E6": 3 }, styles: { records: [ { foreColor: 0, font: 0, border: [null, null, 0] }, { foreColor: 0, font: 1, border: [null, null, 1] }, { backColor: 2, foreColor: 1, font: 1, border: [2, 3, 2, 2] }, { backColor: 4, foreColor: 3, font: 1, border: [3, 3, 3, 3] }, { backColor: 2, foreColor: 1, font: 1, border: [2, 2, 2, 2] }, ], borders: [ { color: "#accdea", style: 5 }, { color: "#9bc3e6", style: 2 }, { color: "#9bc3e6", style: 1 }, { color: "#7f7f7f", style: 1 }, ], colors: ["#44546a", "#ffffff", "#5b9bd5", "#fa7d00", "#f2f2f2"], fonts: ["700 17.3px Calibri", "700 14.7px Calibri"], }, others: { columnWidth: { 0: 30 }, rowHeight: { 1: 24, 2: 21, 3: 21 } }, }; window.onload = function () { var workbook = new GC.Spread.Sheets.Workbook(document.getElementById("ss")); workbook.options.allowDynamicArray = true; workbook.suspendPaint(); initSheet1(workbook.getSheet(0)); workbook.resumePaint(); }; function initSheet1(sheet) { setSheetPr(sheet); setCells(sheet); } function setCells(sheet) { foreachObj(data.values, function (r, row) { foreachObj(row, function (c, v) { setValue(sheet, Number(r), Number(c), v); }); }); foreachObj(data.formulas, function (r, row) { foreachObj(row, function (c, v) { setFormula(sheet, Number(r), Number(c), v); }); }); foreachObj(data.cellStyles, function (ref, id) { setStyle(sheet, ref, data.styles.records[id]); }); } function setValue(sheet, r, c, v) { if (v === undefined || v === null) return; sheet.setValue(r, c, v); } function setFormula(sheet, r, c, v) { if (v === undefined || v === null) return; sheet.setFormula(r, c, v); } function setStyle(sheet, ref, v) { if (v === undefined || v === null) return; var styles = data.styles; var range = sheet.getRange(ref); var foreColor = styles.colors[v.foreColor]; var backColor = styles.colors[v.backColor]; var font = styles.fonts[v.font]; var wordWrap = v.wordWrap; if (foreColor) { range.foreColor(foreColor); } if (backColor) { range.backColor(backColor); } if (font) { range.font(font); } if (wordWrap) { range.wordWrap(wordWrap); } var border = v.border || []; var borderTop = styles.borders[border[0]]; var borderRight = styles.borders[border[1]]; var borderBottom = styles.borders[border[2]]; var borderLeft = styles.borders[border[3]]; if (borderTop) { range.borderTop(createLineStyle(borderTop)); } if (borderBottom) { range.borderBottom(createLineStyle(borderBottom)); } if (borderLeft) { range.borderLeft(createLineStyle(borderLeft)); } if (borderRight) { range.borderRight(createLineStyle(borderRight)); } } function setSheetPr(sheet) { // set column width foreachObj(data.others.columnWidth, function (index, v) { sheet.setColumnWidth(Number(index), v); }); // set row height foreachObj(data.others.rowHeight, function (index, v) { sheet.setRowHeight(Number(index), v); }); } function createLineStyle(v) { return new GC.Spread.Sheets.LineBorder(v.color, v.style); } function foreachObj(obj, func) { if (!obj) return; var keys = Object.keys(obj); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var v = obj[key]; func(key, v); } }
<!doctype html> <html style="height:100%;font-size:14px;"> <head> <meta name="spreadjs culture" content="zh-cn" /> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="stylesheet" type="text/css" href="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css"> <script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/dist/gc.spread.sheets.all.min.js" type="text/javascript"></script> <script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-resources-zh/dist/gc.spread.sheets.resources.zh.min.js" type="text/javascript"></script> <script src="$DEMOROOT$/spread/source/js/license.js" type="text/javascript"></script> <script src="app.js" type="text/javascript"></script> <link rel="stylesheet" type="text/css" href="styles.css"> </head> <body> <div class="sample-tutorial"> <div id="ss" class="sample-spreadsheets"></div> </div> </body> </html>
input[type="text"] { width: 200px; margin-right: 20px; } label { display: inline-block; width: 110px; } .sample-tutorial { position: relative; height: 100%; overflow: hidden; } .sample-spreadsheets { width: 100%; height: 100%; overflow: hidden; float: left; } label { display: block; margin-bottom: 6px; } input { padding: 4px 6px; } input[type=button] { margin-top: 6px; display: block; width:216px; } body { position: absolute; top: 0; bottom: 0; left: 0; right: 0; } code { border: 1px solid #000; }