应用自定义表头
集算表提供了 applyFreeHeaderArea 方法来配置列标题的自定义表头区域。
生成自定义表头JSON
如果您想在生成自定义区域JSON时引用具有工作表名称的公式（如“TableSheet1![ColumnName]”、“OtherSheet!A1”或“AVERAGE(TableSheet1[ColumnName])”），则应启用此工作表 选项：
这是示例代码：
自定义表头中的公式编辑器
您可以双击表头区域的单元格开始编辑，或者按 “=” 键进入公式编辑。
然后，您可以在空闲标题区域中选择集算表列或任何范围。
/*REPLACE_MARKER*/
/*DO NOT DELETE THESE COMMENTS*/
window.onload = function() {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"), { sheetCount: 0 });
initSpread(spread);
};
function initSpread(spread) {
spread.clearSheets();
spread.suspendPaint();
var dataManager = spread.dataManager();
var myTable = dataManager.addTable("myTable", {
data: [
{ id: 1, item: "Airfare", description: "Tickets", cost: 300, quantity: 1 },
{ id: 2, item: "Hotel", description: "Room", cost: 125, quantity: 3 },
{ id: 3, item: "Car rental", description: "Cost per day", cost: 52, quantity: 6 },
{ id: 4, item: "Gas", description: "Cost per gallon", cost: 1.74, quantity: 14 },
{ id: 5, item: "Entertainment", description: "Amount", cost: 130, quantity: 1 },
{ id: 6, item: "Gifts", description: "Amount", cost: 85, quantity: 1 },
{ id: 7, item: "Miscellaneous", description: "Amount", cost: 55, quantity: 1 },
{ id: 8, item: "Food", description: "Cost per day", cost: 48, quantity: 6 },
]
});
//init a table sheet
var sheet = spread.addSheetTab(0, "TableSheet1", GC.Spread.Sheets.SheetType.tableSheet);
sheet.applyTableTheme(GC.Spread.Sheets.Tables.TableThemes.professional7);
//bind a view to the table sheet
myTable.fetch().then(function() {
var Colors = {
lightGreen: "rgb(227,239,218)",
middleGreen: "rgb(115,150,61)",
darkGreen: "rgb(115,150,61)",
lightGray: "rgb(191,191,191)",
white: "rgb(255,255,255)",
gray: "rgb(225,225,225)",
black: "rgb(0,0,0)"
};
var formatter = "$#,##0.00_);($#,##0.00)";
var currencyFormatter = { formatter: formatter };
var headerStyle = {
backColor: Colors.darkGreen,
foreColor: Colors.white,
font: "bold 12pt Calibri",
hAlign: "left"
};
var dataBarRule1 = {
ruleType: "dataBarRule",
color: Colors.darkGreen,
gradient: true
};
var dataBarRule2 = {
ruleType: "dataBarRule",
color: Colors.lightGray,
gradient: true,
barDirection: "rightToLeft"
};
var view = myTable.addView("myView", [
{ value: "item", caption: "Item", width: 180, headerStyle },
{ value: "description", caption: "Description", width: 120, headerStyle },
{ value: "quantity", caption: "Qty", width: 90, headerStyle },
{ value: "cost", caption: "Cost", width: 100, style: currencyFormatter, headerStyle, conditionalFormats: [dataBarRule1] },
{ value: "=[@cost]*[@quantity]", caption: "Amount", width: 120, style: currencyFormatter, headerStyle, conditionalFormats: [dataBarRule2] }
]);
// create template sheet for free header area json
var templateSheet = new GC.Spread.Sheets.Worksheet();
templateSheet.options.keepUnknownFormulas = true;
var currencyFormatterStyle = new GC.Spread.Sheets.Style();
currencyFormatterStyle.formatter = formatter;
currencyFormatterStyle.hAlign = GC.Spread.Sheets.HorizontalAlign.left;
templateSheet.setRowCount(6);
var freeHeaderAreaStyle = new GC.Spread.Sheets.Style();
freeHeaderAreaStyle.backColor = Colors.white;
templateSheet.setValue(0, 0, "Business Trip Budget");
templateSheet.getCell(0, 0).hAlign(GC.Spread.Sheets.HorizontalAlign.left).font("bold 30px \"Microsoft Sans Serif\"");
templateSheet.addSpan(0, 0, 1, 5);
var titleStyle = new GC.Spread.Sheets.Style();
titleStyle.backColor = Colors.lightGreen;
titleStyle.foreColor = Colors.black;
templateSheet.setStyle(0, -1, titleStyle);
templateSheet.setRowHeight(0, 80);
templateSheet.getCell(1, 0)
.value("Enter Target trip budget below. Total trip cost and under or over budget are automatically calculated.")
.font("italic 12px \"Microsoft Sans Serif\"")
.foreColor("rgb(120,120,120)")
.textIndent(2);
templateSheet.setStyle(1, -1, titleStyle);
templateSheet.addSpan(1, 0, 1, 5);
var headerDescriptionStyle = new GC.Spread.Sheets.Style();
headerDescriptionStyle.backColor = Colors.lightGreen;
headerDescriptionStyle.borderBottom = new GC.Spread.Sheets.LineBorder(Colors.middleGreen, GC.Spread.Sheets.LineStyle.thick);
templateSheet.setStyle(2, -1, headerDescriptionStyle);
templateSheet.addSpan(2, 0, 1, 5);
templateSheet.setRowHeight(2, 16);
templateSheet.setValue(3, 0, "Target trip budget");
templateSheet.getCell(3, 0).hAlign(GC.Spread.Sheets.HorizontalAlign.left).font("bold 14px \"Trebuchet MS\"").foreColor(Colors.darkGreen);
templateSheet.addSpan(3, 0, 1, 2);
templateSheet.setValue(3, 2, 1000);
templateSheet.getCell(3, 2).hAlign(GC.Spread.Sheets.HorizontalAlign.left).font("bold 14px \"Trebuchet MS\"").foreColor(Colors.darkGreen).formatter(formatter);
templateSheet.setFormula(3, 3, '=HBARSPARKLINE(ROUND(C4/MAX(C4,C5),2),"'+ Colors.darkGreen +'",false)');
templateSheet.setStyle(3, 3, new GC.Spread.Sheets.Style(undefined, Colors.black));
templateSheet.addSpan(3, 3, 1, 2);
templateSheet.setStyle(3, -1, freeHeaderAreaStyle);
templateSheet.setValue(4, 0, "Total cost of the trip");
templateSheet.getCell(4, 0).hAlign(GC.Spread.Sheets.HorizontalAlign.left).font("bold 14px \"Trebuchet MS\"").foreColor(Colors.lightGray);
templateSheet.addSpan(4, 0, 1, 2);
templateSheet.setFormula(4, 2, '=SUM(TableSheet1[Amount])');
templateSheet.getCell(4, 2).hAlign(GC.Spread.Sheets.HorizontalAlign.left).font("bold 14px \"Trebuchet MS\"").foreColor(Colors.lightGray).formatter(formatter);
var contentBorderStyle = new GC.Spread.Sheets.Style();
contentBorderStyle.backColor = Colors.white;
contentBorderStyle.borderBottom = new GC.Spread.Sheets.LineBorder(Colors.lightGray, GC.Spread.Sheets.LineStyle.thick);
templateSheet.setStyle(4, -1, contentBorderStyle);
templateSheet.setFormula(4, 3, '=HBARSPARKLINE(ROUND(C5/MAX(C4,C5),2),"'+ Colors.lightGray +'",false)');
templateSheet.setStyle(4, 3, new GC.Spread.Sheets.Style(undefined, Colors.black));
templateSheet.addSpan(4, 3, 1, 2);
templateSheet.setFormula(5, 0, '=IF(C4>C5,"You\'re under budget by","You\'re over budget by")');
templateSheet.getCell(5, 0).hAlign(GC.Spread.Sheets.HorizontalAlign.left).font("bold 14px \"Trebuchet MS\"").foreColor(Colors.black);
templateSheet.addSpan(5, 0, 1, 2);
templateSheet.setFormula(5, 2, '=C4-C5');
templateSheet.getCell(5, 2).hAlign(GC.Spread.Sheets.HorizontalAlign.left).font("bold 14px \"Trebuchet MS\"").formatter(formatter).foreColor(Colors.black);
templateSheet.setStyle(5, -1, freeHeaderAreaStyle);
templateSheet.addSpan(5, 2, 1, 3);
let template = templateSheet.toJSON();
sheet.applyFreeHeaderArea(template);
sheet.setDataView(view);
});
spread.resumePaint();
}
function getBaseApiUrl() {
return window.location.href.match(/http.+spreadjs\/SpreadJSTutorial\//)[0] + 'server/api';
}
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="spreadjs culture" content="zh-cn" />
<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">
<!-- Promise Polyfill for IE, https://www.npmjs.com/package/promise-polyfill -->
<script src="https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js"></script>
<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-tablesheet/dist/gc.spread.sheets.tablesheet.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 id="optionContainer" class="optionContainer">
</div>
</div>
</html>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
.sample-spreadsheets {
width: 100%;
height: 100%;
overflow: hidden;
float: left;
}
.gc-columnHeader-selected, .gc-columnHeader-highlight, .gc-columnHeader-hover {
background-color: rgba(115,150,61,0.8);
color: white;
border-bottom-color: white !important;
}
