Syntax
The BYCOL function syntax has the following arguments and parameters:
array
An array to be separated by column.
lambda
A LAMBDA that takes a column as a single parameter and calculates one result. The LAMBDA takes a single parameter:
column
A column from array.
Tip
Before using this function, you need to turn on the allowDynamicArray option
Basic Usage
Return the maximum value of each column
<template>
<div class="sample-tutorial">
<gc-spread-sheets class="sample-spreadsheets" @workbookInitialized="initSpread">
<gc-worksheet>
</gc-worksheet>
</gc-spread-sheets>
</div>
</template>
<script setup>
import '@mescius/spread-sheets-vue';
import { ref } from "vue";
import GC from "@mescius/spread-sheets";
const spreadRef = ref(null);
let initSpread = function (workbook) {
workbook.options.allowDynamicArray = true;
workbook.suspendPaint();
initSheet1(workbook.getSheet(0), getData());
workbook.resumePaint();
}
let getData = function () {
return {
values: {
1: { 1: "Examples" },
3: { 1: "Example 1: Return the maximum value of each column" },
4: { 1: "Data:", 5: "Formula:" },
5: { 1: 1, 2: 2, 3: 3, 5: "Result:" },
6: { 1: 4, 2: 5, 3: 6 },
8: { 1: "Example 2: Return the sum of the squared value of each array element in each column" },
9: { 1: "Data:", 5: "Formula:" },
10: { 1: 1, 2: 2, 3: 3, 5: "Result:" },
11: { 1: 4, 2: 5, 3: 6 },
},
formulas: {
4: { 6: "FORMULATEXT(G6)" },
5: { 6: "BYCOL(B6:D7,LAMBDA(array,MAX(array)))" },
9: { 6: "FORMULATEXT(G11)" },
10: { 6: "BYCOL(B11:D12,LAMBDA(array,SUMSQ(array)))" },
},
cellStyles: {
"B2:C2": 0,
"B4:G4": 1,
B5: 2,
C5: 3,
D5: 4,
F5: 5,
"G5:I6": 6,
"J5:K5": 6,
"B6:D7": 7,
F6: 8,
"B9:J9": 1,
B10: 2,
C10: 3,
D10: 4,
F10: 5,
"G10:I11": 6,
"J10:K10": 6,
"B11:D12": 7,
F11: 8,
},
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: [null, null, 2, 3] },
{ backColor: 2, foreColor: 1, font: 1, border: [4, null, 2] },
{ backColor: 2, foreColor: 1, font: 1, border: [4, 3, 2] },
{ backColor: 2, foreColor: 1, font: 1, border: [3, 2, 3, 3] },
{ backColor: 4, foreColor: 3, font: 1, border: [2, 2, 2, 2] },
{ backColor: 6, foreColor: 5, border: [2, 2, 2, 2] },
{ backColor: 2, foreColor: 1, font: 1, border: [3, 3, 3, 3] },
],
borders: [
{ color: "#accdea", style: 5 },
{ color: "#9bc3e6", style: 2 },
{ color: "#7f7f7f", style: 1 },
{ color: "#9bc3e6", style: 1 },
{ color: "#000000", style: 1 },
],
colors: ["#44546a", "#ffffff", "#5b9bd5", "#fa7d00", "#f2f2f2", "#3f3f76", "#ffcc99"],
fonts: ["700 17.3px Calibri", "700 14.7px Calibri"],
},
others: {
columnWidth: { 0: 30 },
rowHeight: { 1: 24, 2: 21, 3: 21, 8: 21 },
spans: ["B5:D5", "B10:D10"],
}
};
}
let initSheet1 = function (sheet, data) {
setSheetPr(sheet, data);
setCells(sheet, data);
}
let setCells = function (sheet, data) {
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], data.styles);
});
}
let setValue = function (sheet, r, c, v) {
if (v === undefined || v === null) return;
sheet.setValue(r, c, v);
}
let setFormula = function (sheet, r, c, v) {
if (v === undefined || v === null) return;
sheet.setFormula(r, c, v);
}
let setStyle = function (sheet, ref, v, styles) {
if (v === undefined || v === null) return;
let range = sheet.getRange(ref);
let foreColor = styles.colors[v.foreColor];
let backColor = styles.colors[v.backColor];
let font = styles.fonts[v.font];
let wordWrap = v.wordWrap;
if (foreColor) {
range.foreColor(foreColor);
}
if (backColor) {
range.backColor(backColor);
}
if (font) {
range.font(font);
}
if (wordWrap) {
range.wordWrap(wordWrap);
}
let border = v.border || [];
let borderTop = styles.borders[border[0]];
let borderRight = styles.borders[border[1]];
let borderBottom = styles.borders[border[2]];
let 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));
}
}
let setSheetPr = function (sheet, data) {
// 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);
});
// set spans
let spans = data.others.spans || [];
for (let i = 0; i < spans.length; i++) {
let range = sheet.getRange(spans[i]);
sheet.addSpan(range.row, range.col, range.rowCount, range.colCount);
}
}
let createLineStyle = function (v) {
return new GC.Spread.Sheets.LineBorder(v.color, v.style);
}
let foreachObj = function (obj, func) {
if (!obj) return;
let keys = Object.keys(obj);
for (let i = 0; i < keys.length; i++) {
let key = keys[i];
let v = obj[key];
func(key, v);
}
}
</script>
<style scoped>
#app {
height: 100%;
}
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: 100%;
height: 100%;
overflow: hidden;
float: left;
}
.options-container {
float: right;
width: 280px;
padding: 12px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
}
.option-row {
font-size: 14px;
padding: 5px;
margin-top: 10px;
}
#switchAutoMergeMode {
margin: 10px 0px;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
</style>
<!DOCTYPE html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>SpreadJS VUE</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css"
href="$DEMOROOT$/en/vue3/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<script src="$DEMOROOT$/en/vue3/node_modules/systemjs/dist/system.src.js"></script>
<script src="./systemjs.config.js"></script>
<script src="./compiler.js" type="module"></script>
<script>
var System = SystemJS;
System.import("./src/app.js");
System.import('$DEMOROOT$/en/lib/vue3/license.js');
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
(function (global) {
SystemJS.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
packageConfigPaths: [
'./node_modules/*/package.json',
"./node_modules/@mescius/*/package.json",
"./node_modules/@babel/*/package.json",
"./node_modules/@vue/*/package.json"
],
map: {
'vue': "npm:vue/dist/vue.esm-browser.js",
'tiny-emitter': 'npm:tiny-emitter/index.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
"systemjs-babel-build": "npm:systemjs-plugin-babel/systemjs-babel-browser.js",
'@mescius/spread-sheets': 'npm:@mescius/spread-sheets/index.js',
'@mescius/spread-sheets-resources-en': 'npm:@mescius/spread-sheets-resources-en/index.js',
'@mescius/spread-sheets-vue': 'npm:@mescius/spread-sheets-vue/index.js'
},
meta: {
'*.css': { loader: 'systemjs-plugin-css' },
'*.vue': { loader: "../plugin-vue/index.js" }
}
});
})(this);
