基本应用 | 功能例子 | SpreadJS JavaScript 学习指南

右键点击工作簿将会展示上下文菜单，菜单的内容取决于点击的内容。上下文菜单提供了下面的功能：上下文菜单的主题会匹配Spread的主题。上下文菜单提供了用户更改过滤上下文菜单数据结果的功能。上下文菜单提供了用户修改菜单视图外观和结构的能力。你可以利用 spread.options.allowContextMenu 属性去设置时候展示上下文菜单。

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import './styles.css';
import { AppFunc } from './app-func';
import { App } from './app-class';
// 1. Functional Component sample
ReactDOM.render(<AppFunc />, document.getElementById('app'));
// 2. Class Component sample
// ReactDOM.render(<App />, document.getElementById('app'));

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { SpreadSheets, Worksheet, Column } from '@grapecity-software/spread-sheets-react';
import GC from '@grapecity-software/spread-sheets';
import '@grapecity-software/spread-sheets-resources-zh';
GC.Spread.Common.CultureManager.culture("zh-cn");
import './styles.css';
const Component = React.Component, useState = React.useState;
export function AppFunc() {
const [spread, setSpread] = useState(null);
let initSpread = function (value) {
setSpread(value);
let sheet = value.getActiveSheet();
sheet.suspendPaint();
let dataColumns = ["Name", "City", "Birthday", "Sex", "Weight", "Height"];
let data = [
["Bob", "New York", "1968/6/8", "M", "80", "180"],
["Betty", "New York", "1972/7/3", "F", "72", "168"],
["Cherry", "Washington", "1986/2/2", "F", "58", "161"],
["Gary", "New York", "1964/3/2", "M", "71", "179"],
["Hunk", "Washington", "1972/8/8", "M", "80", "171"],
["Eva", "Washington", "1993/2/15", "F", "71", "180"]
];
sheet.tables.addFromDataSource("table1", 1, 1, data, GC.Spread.Sheets.Tables.TableThemes.medium7);
sheet.getRange(-1, 1, -1, 6).width(80);
sheet.getRange(2, 3, 6, 1).formatter("mm-dd-yyyy");
let table = sheet.tables.findByName("table1");
table.setColumnName(0, dataColumns[0]);
table.setColumnName(1, dataColumns[1]);
table.setColumnName(2, dataColumns[2]);
table.setColumnName(3, dataColumns[3]);
table.setColumnName(4, dataColumns[4]);
table.setColumnName(5, dataColumns[5]);
sheet.resumePaint();
}
let allowContextMenu = function ($event) {
let allowContextMenu = $event.target.checked;
spread.options.allowContextMenu = allowContextMenu;
}
let changeSpreadTheme = function ($event) {
var header = document.getElementsByTagName('head')[0];
var target = document.querySelector('link[href*="gc.spread.sheets"]');
var value = $event.target.value;
var href = target.href,
pos = href.indexOf('gc.spread.sheets'),
item = href.substr(0, pos) + value;
header.removeChild(target);
if (item) {
addThemeLink(item);
} else {
spread.refresh();
}
};
let addThemeLink = function (href) {
var link = document.createElement('link');
link.type = "text/css";
link.rel = "stylesheet";
link.href = href;
link.onload = function () {
spread.refresh();
};
var header = document.getElementsByTagName('head')[0];
header.appendChild(link);
}
return (
<div class="sample-tutorial" >
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => initSpread(spread)}>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
<Panel
allowContextMenu={(e) => allowContextMenu(e)}
changeSpreadTheme={(e) => changeSpreadTheme(e)}
></Panel>
</div>
);
}
function CheckBoxInput(props) {
const [checked, setChecked] = useState(props.checked);
return (
<input type="checkbox" id={props.id} checked={checked} onChange={(e) => {
setChecked(e.target.checked);
props.onChange(e)
}} />
);
}
class Panel extends Component {
constructor(props) {
super(props);
}
render() {
let props = this.props;
return (
<div class="options-container">
<div className="option-row">
<p>Right click any cell to bring up its context menu. This menu is fully customizable.</p>
</div>
<div className="option-row">
<CheckBoxInput id="allowContextMenu" checked={true}
onChange={props.allowContextMenu}></CheckBoxInput>
<label htmlFor="allowContextMenu">Show Context Menu</label>
</div>
<div class="option-row">
<label for="currentThemes">Select Theme:</label>
<select id="currentThemes" onChange={props.changeSpreadTheme}>
<optgroup label="SpreadJS">
<option value="gc.spread.sheets.css">SpreadJS</option>
</optgroup>
<optgroup label="Excel2013">
<option value="gc.spread.sheets.excel2013white.css" selected="selected">White</option>
<option value="gc.spread.sheets.excel2013lightGray.css">Light Gray</option>
<option value="gc.spread.sheets.excel2013darkGray.css">Dark Gray</option>
</optgroup>
<optgroup label="Excel2016">
<option value="gc.spread.sheets.excel2016colorful.css">Colorful</option>
<option value="gc.spread.sheets.excel2016darkGray.css">Dark Gray</option>
<option value="gc.spread.sheets.excel2016black.css">Black</option>
</optgroup>
</select>
</div>
</div>
);
}
}

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { SpreadSheets, Worksheet, Column } from '@grapecity-software/spread-sheets-react';
import GC from '@grapecity-software/spread-sheets';
import '@grapecity-software/spread-sheets-resources-zh';
GC.Spread.Common.CultureManager.culture("zh-cn");
import './styles.css';
const Component = React.Component, useState = React.useState;
export class App extends Component {
constructor(props) {
super(props);
this.spread = null;
this.dataSource = dataSource;
this.autoGenerateColumns = false;
}
render() {
return (
<div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={ spread => this.initSpread(spread) }>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
<Panel
allowContextMenu={ (e) => this.allowContextMenu(e) }
changeSpreadTheme={ (e) => this.changeSpreadTheme(e) }
></Panel>
</div>
);
}
initSpread(spread) {
this.spread = spread;
let sheet = spread.getActiveSheet();
sheet.suspendPaint();
let dataColumns = ["Name", "City", "Birthday", "Sex", "Weight", "Height"];
let data = [
["Bob", "New York", "1968/6/8", "M", "80", "180"],
["Betty", "New York", "1972/7/3", "F", "72", "168"],
["Cherry", "Washington", "1986/2/2", "F", "58", "161"],
["Gary", "New York", "1964/3/2", "M", "71", "179"],
["Hunk", "Washington", "1972/8/8", "M", "80", "171"],
["Eva", "Washington", "1993/2/15", "F", "71", "180"]
];
sheet.tables.addFromDataSource("table1", 1, 1, data, GC.Spread.Sheets.Tables.TableThemes.medium7);
sheet.getRange(-1, 1, -1, 6).width(80);
sheet.getRange(2, 3, 6, 1).formatter("mm-dd-yyyy");
let table = sheet.tables.findByName("table1");
table.setColumnName(0, dataColumns[0]);
table.setColumnName(1, dataColumns[1]);
table.setColumnName(2, dataColumns[2]);
table.setColumnName(3, dataColumns[3]);
table.setColumnName(4, dataColumns[4]);
table.setColumnName(5, dataColumns[5]);
sheet.resumePaint();
}
allowContextMenu($event) {
let spread = this.spread, allowContextMenu = $event.target.checked;
spread.options.allowContextMenu = allowContextMenu;
}
changeSpreadTheme($event) {
let spread = this.spread;
var header = document.getElementsByTagName('head')[0];
var target = document.querySelector('link[href*="gc.spread.sheets"]');
var value = $event.target.value;
var href = target.href,
pos = href.indexOf('gc.spread.sheets'),
item = href.substr(0, pos) + value;
header.removeChild(target);
if (item) {
this.addThemeLink(item);
} else {
spread.refresh();
}
};
addThemeLink(href) {
let spread = this.spread;
var link = document.createElement('link');
link.type = "text/css";
link.rel = "stylesheet";
link.href = href;
link.onload = function () {
spread.refresh();
};
var header = document.getElementsByTagName('head')[0];
header.appendChild(link);
}
}
function CheckBoxInput(props) {
const [checked, setChecked] = useState(props.checked);
return (
<input type="checkbox" id={ props.id } checked={ checked } onChange={ (e) => {
setChecked(e.target.checked);
props.onChange(e)
} }/>
);
}
class Panel extends Component {
constructor(props) {
super(props);
}
render() {
let props = this.props;
return (
<div class="options-container">
<div className="option-row">
<p>Right click any cell to bring up its context menu. This menu is fully customizable.</p>
</div>
<div className="option-row">
<CheckBoxInput id="allowContextMenu" checked={ true }
onChange={ props.allowContextMenu }></CheckBoxInput>
<label htmlFor="allowContextMenu">Show Context Menu</label>
</div>
<div class="option-row">
<label for="currentThemes">Select Theme:</label>
<select id="currentThemes" onChange={ props.changeSpreadTheme }>
<optgroup label="SpreadJS">
<option value="gc.spread.sheets.css">SpreadJS</option>
</optgroup>
<optgroup label="Excel2013">
<option value="gc.spread.sheets.excel2013white.css" selected="selected">White</option>
<option value="gc.spread.sheets.excel2013lightGray.css">Light Gray</option>
<option value="gc.spread.sheets.excel2013darkGray.css">Dark Gray</option>
</optgroup>
<optgroup label="Excel2016">
<option value="gc.spread.sheets.excel2016colorful.css">Colorful</option>
<option value="gc.spread.sheets.excel2016darkGray.css">Dark Gray</option>
<option value="gc.spread.sheets.excel2016black.css">Black</option>
</optgroup>
</select>
</div>
</div>
);
}
}

<!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/react/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<script src="$DEMOROOT$/spread/source/data/data.js" type="text/javascript"></script>
<!-- SystemJS -->
<script src="$DEMOROOT$/zh/react/node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('$DEMOROOT$/zh/lib/react/license.js').then(function() {
System.import('./src/app');
});
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>

.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: calc(100% - 280px);
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;
margin-top: 10px;
}
label {
margin-bottom: 6px;
}
input {
padding: 4px 6px;
}
input[type=button] {
margin-top: 6px;
}
p{
padding:2px 10px;
background-color:#F4F8EB;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
#app {
height: 100%;
}

(function(global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
react: true
},
meta: {
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'@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-react': 'npm:@grapecity-software/spread-sheets-react/index.js',
'@grapecity-software/jsob-test-dependency-package/react-components': 'npm:@grapecity-software/jsob-test-dependency-package/react-components/index.js',
'react': 'npm:react/umd/react.production.min.js',
'react-dom': 'npm:react-dom/umd/react-dom.production.min.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'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'jsx'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);