月スパークラインを作成するには、数式内でMonthSparkline関数を使用します。=MONTHSPARKLINE(year, month, dataRange, emptyColor, startColor, middleColor, endColor)または=MONTHSPARKLINE(year, month, dataRange, colorRange)となります。
この関数には、以下のパラメータを指定できます。
year : 4桁の年数（「2015」など）
month : 月数（「3」など）
dataRange : 最初の列が日付であり、次の列が数値となる範囲を表す参照（「A1:B400」など）
emptyColor : 値のない日、またはゼロ値の日を表す色文字列（「lightgray」など）
startColor : 最小値に当たる日を表す色文字列（「lightgreen」など）
middleColor : 最小値と最大値の平均値に当たる日を表す色文字列（「green」など）
endColor : 最大値に当たる日を表す色文字列（「darkgreen」など）
colorRange : データが色文字列となる範囲を表す参照
window.onload = function () {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"), { sheetCount: 2 });
initNormalSheet(spread);
initColorRangeSheet(spread);
};
function initNormalSheet(spread) {
var sheet = spread.sheets[0];
sheet.suspendPaint();
sheet.setFormatter(-1, 0, "MM/DD/YYYY");
sheet.setFormatter(-1, 3, "MM/DD/YYYY");
sheet.setColumnWidth(0, 100, 3);
sheet.setColumnWidth(1, 50, 3);
sheet.setColumnWidth(2, 30, 3);
sheet.setColumnWidth(3, 100, 3);
sheet.setColumnWidth(4, 50, 3);
sheet.addSpan(3, 6, 4, 1);
sheet.addSpan(9, 6, 4, 1);
for (var row = 0; row < 31; row++) {
sheet.setValue(row, 0, new Date(2015, 0, row + 1));
sheet.setValue(row, 1, Math.round(Math.random() * 100));
}
for (var row = 0; row < 28; row++) {
sheet.setValue(row, 3, new Date(2015, 1, row + 1));
sheet.setValue(row, 4, Math.round(Math.random() * 100));
}
sheet.setFormula(3, 6, '=MonthSparkline(2015, 1, A1:B31, "lightgray", "lightgreen", "green", "darkgreen")');
sheet.setFormula(7, 6, '=TEXT(DATE(2015,1, 1),"mmmm")');
sheet.setFormula(9, 6, '=MONTHSPARKLINE(2015,2,D1:E31,"lightgray","lightgreen","green","darkgreen")');
sheet.setFormula(13, 6, '=TEXT(DATE(2015,2, 1),"mmmm")');
sheet.resumePaint();
}
function initColorRangeSheet(spread) {
var sheet = spread.sheets[1];
sheet.name("Use colorRange");
sheet.suspendPaint();
sheet.setFormatter(-1, 0, "MM/DD/YYYY");
sheet.setFormatter(-1, 3, "MM/DD/YYYY");
sheet.setColumnWidth(0, 100, 3);
sheet.setColumnWidth(1, 50, 3);
sheet.setColumnWidth(2, 30, 3);
sheet.setColumnWidth(3, 100, 3);
sheet.setColumnWidth(4, 50, 3);
sheet.addSpan(3, 6, 4, 1);
sheet.addSpan(9, 6, 4, 1);
for (var row = 0; row < 31; row++) {
sheet.setValue(row, 0, new Date(2015, 0, row + 1));
sheet.setValue(row, 1, Math.round(Math.random() * 100));
sheet.setValue(row, 2, getRandomColor());
}
for (var row = 0; row < 28; row++) {
sheet.setValue(row, 3, new Date(2015, 1, row + 1));
sheet.setValue(row, 4, Math.round(Math.random() * 100));
sheet.setValue(row, 5, getRandomColor());
}
sheet.setFormula(3, 6, '=MONTHSPARKLINE(2015,1,A1:B31,C1:C31)');
sheet.setFormula(7, 6, '=TEXT(DATE(2015,1, 1),"mmmm")');
sheet.setFormula(9, 6, '=MONTHSPARKLINE(2015,2,D1:E31,F1:F31)');
sheet.setFormula(13, 6, '=TEXT(DATE(2015,2, 1),"mmmm")');
sheet.resumePaint();
}
function getRandomColor() {
var colorList = ["lightgray", "red", "green", "darkgreen", "blue", "yellow", "orange", "pink", "gray", "black"];
return colorList[Math.round(Math.random() * 10)];
}
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