SpreadJS 支持树状图。通过 GC.Spread.Sheets.Charts.ChartType.treemap 类型等来获取图表类型。
你可以通过图表的API来添加一个树状图并定制其样式：
Treemap: 图表直观的显示了包含不同数据量的数据。
import { Component, NgModule, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { SpreadSheetsModule } from '@grapecity-software/spread-sheets-angular';
import GC from '@grapecity-software/spread-sheets';
import '@grapecity-software/spread-sheets-charts';
import '@grapecity-software/spread-sheets-resources-zh';
GC.Spread.Common.CultureManager.culture("zh-cn");
import './styles.css';
@Component({
selector: 'app-component',
templateUrl: 'src/app.component.html'
})
export class AppComponent {
spread: GC.Spread.Sheets.Workbook;
hostStyle = {
width: '100%',
height: '100%',
overflow: 'hidden',
float: 'left'
};
initSpread($event: any) {
this.spread = $event.spread;
let spread = this.spread;
var sheets = spread.sheets;
spread.suspendPaint();
// custom sheet style
this._setSheet(sheets);
this._setData(sheets[0], 'treemapChart');
this.initTreemap(sheets[0], GC.Spread.Sheets.Charts.ChartType.treemap);
this._setData(sheets[1], 'customStyle');
var customTreemapChart = this.initTreemap(sheets[1], GC.Spread.Sheets.Charts.ChartType.treemap);
this._setDataLabels(customTreemapChart);
this._setDataPoints(customTreemapChart);
spread.resumePaint();
}
_setSheet(sheets: GC.Spread.Sheets) {
var columnWidths = [20, 70, 100, 80, 120];
for (var i = 0; i < sheets.length; i++) {
sheets[i].options.gridline.showHorizontalGridline = false;
sheets[i].options.gridline.showVerticalGridline = false;
sheets[i].getRange(1, 1, 17, 4)
.hAlign(GC.Spread.Sheets.HorizontalAlign.center)
.setBorder(new GC.Spread.Sheets.LineBorder('black', GC.Spread.Sheets.LineStyle.thin), { all: true });
sheets[i].getRange(1, 1, 1, 4).font('bold normal 10pt Arial');
for (var j = 0; j < columnWidths.length; j++) {
sheets[i].setColumnWidth(j, columnWidths[j]);
}
}
}
initTreemap(sheet: GC.Spread.Sheets.Worksheet, chartType: GC.Spread.Sheets.Charts.ChartType) {
sheet.resumePaint();
return sheet.charts.add((sheet.name() + chartType), chartType, 400, 0, 650, 400, "B2:E18");
}
_setDataLabels(chart: GC.Spread.Sheets.Charts.Chart) {
var dataLabels = chart.dataLabels();
dataLabels.color = 'white';
chart.dataLabels(dataLabels);
}
_setDataPoints(chart: GC.Spread.Sheets.Charts.Chart) {
var dataPoints = chart.series().dataPoints();
var fillColors = ['#4472c4', '#a5a5a5', '#ffc000', '#ed7d31'];
for (var i = 0; i < fillColors.length; i++) {
var dataPoint = dataPoints.get(i);
dataPoint.fillColor = fillColors[i];
dataPoint.transparency = 0; // 0~1
dataPoints.set(i, dataPoint);
}
}
_setData(sheet: GC.Spread.Sheets.Worksheet, sheetName: string) {
sheet.name(sheetName);
sheet.suspendPaint();
var dataArray = [
['Region', 'Subregion', 'country', 'Population'],
['Asia', 'Southern', 'India', 1354051854],
[, , 'Pakistan', 200813818],
[, , 'Bangladesh', 166368149],
[, , 'Others', 170220300],
[, 'Eastern', 'China', 1415045928],
[, , 'Japan', 127185332],
[, , 'Others', 111652273],
[, 'South-Eastern', , 655636576],
[, 'Western', , 272298399],
[, 'Central', , 71860465],
['Africa', 'Eastern', , 433643132],
[, 'Western', , 381980688],
[, 'Northern', , 237784677],
[, 'Others', , 234512021],
['Europe', , , 742648010],
['Others', , , 1057117703]
];
sheet.setArray(1, 1, dataArray);
}
}
@NgModule({
imports: [BrowserModule, SpreadSheetsModule],
declarations: [AppComponent],
exports: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
enableProdMode();
// Bootstrap application with hash style navigation and global services.
platformBrowserDynamic().bootstrapModule(AppModule);
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css"
href="$DEMOROOT$/zh/angular/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<!-- Polyfills -->
<script src="$DEMOROOT$/zh/angular/node_modules/core-js/client/shim.min.js"></script>
<script src="$DEMOROOT$/zh/angular/node_modules/zone.js/fesm2015/zone.min.js"></script>
<!-- SystemJS -->
<script src="$DEMOROOT$/zh/angular/node_modules/systemjs/dist/system.js"></script>
<script src="systemjs.config.js"></script>
<script>
// workaround to load 'rxjs/operators' from the rxjs bundle
System.import('rxjs').then(function (m) {
System.import('@angular/compiler');
System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators));
System.import('$DEMOROOT$/zh/lib/angular/license.ts');
System.import('./src/app.component');
});
</script>
</head>
<body>
<app-component></app-component>
</body>
</html>
<div class="sample-tutorial">
<gc-spread-sheets [hostStyle]="hostStyle" (workbookInitialized)="initSpread($event)">
<gc-worksheet></gc-worksheet>
<gc-worksheet></gc-worksheet>
</gc-spread-sheets>
</div>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
(function(global) {
System.config({
transpiler: 'ts',
typescriptOptions: {
tsconfig: true
},
meta: {
'typescript': {
"exports": "ts"
},
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'core-js': 'npm:core-js/client/shim.min.js',
'zone': 'npm:zone.js/fesm2015/zone.min.js',
'rxjs': 'npm:rxjs/dist/bundles/rxjs.umd.min.js',
'@angular/core': 'npm:@angular/core/fesm2022',
'@angular/common': 'npm:@angular/common/fesm2022/common.mjs',
'@angular/compiler': 'npm:@angular/compiler/fesm2022/compiler.mjs',
'@angular/platform-browser': 'npm:@angular/platform-browser/fesm2022/platform-browser.mjs',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/fesm2022/platform-browser-dynamic.mjs',
'@angular/common/http': 'npm:@angular/common/fesm2022/http.mjs',
'@angular/router': 'npm:@angular/router/fesm2022/router.mjs',
'@angular/forms': 'npm:@angular/forms/fesm2022/forms.mjs',
'jszip': 'npm:jszip/dist/jszip.min.js',
'typescript': 'npm:typescript/lib/typescript.js',
'ts': './plugin.js',
'tslib':'npm:tslib/tslib.js',
'css': 'npm:systemjs-plugin-css/css.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel/systemjs-babel-browser.js',
'@grapecity-software/spread-sheets-shapes': 'npm:@grapecity-software/spread-sheets-shapes/index.js',
'@grapecity-software/spread-sheets-charts': 'npm:@grapecity-software/spread-sheets-charts/index.js',
'@grapecity-software/spread-sheets': 'npm:@grapecity-software/spread-sheets/index.js',
'@grapecity-software/spread-sheets-resources-zh': 'npm:@grapecity-software/spread-sheets-resources-zh/index.js',
'@grapecity-software/spread-sheets-angular': 'npm:@grapecity-software/spread-sheets-angular/fesm2020/grapecity-software-spread-sheets-angular.mjs',
'@grapecity/jsob-test-dependency-package/react-components': 'npm:@grapecity/jsob-test-dependency-package/react-components/index.js'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'ts'
},
rxjs: {
defaultExtension: 'js'
},
"node_modules": {
defaultExtension: 'js'
},
"node_modules/@angular": {
defaultExtension: 'mjs'
},
"@grapecity-software/spread-sheets-angular": {
defaultExtension: 'mjs'
},
'@angular/core': {
defaultExtension: 'mjs',
main: 'core.mjs'
}
}
});
})(this);
