SpreadJS File Format supports encryption and decryption using passwords when importing and exporting.
Export Example:
Import Example
errorCode is defined by GC.Spread.Sheets.IO.ErrorCode
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 { SpreadSheets, Worksheet } from '@mescius/spread-sheets-react';
import GC from '@mescius/spread-sheets';
import '@mescius/spread-sheets-io';
import '@mescius/spread-sheets-shapes';
import '@mescius/spread-sheets-charts';
import '@mescius/spread-sheets-slicers';
import '@mescius/spread-sheets-pivot-addon';
import '@mescius/spread-sheets-reportsheet-addon';
import "@mescius/spread-sheets-tablesheet";
import "@mescius/spread-sheets-ganttsheet";
import './styles.css';
const useState = React.useState;
let spread = null;
let selectedFileBtn = null;
export function AppFunc() {
const [state, setState] = useState({
selectedFile: null,
importPassword: '',
importDisabled: true,
shakeAnimation: '',
showWarning: false,
warningMessage: '',
exportPassword: '',
})
const initSpread = (workbook) => {
spread = workbook;
}
const selectedFileChange = (e) => {
let selectedFile = e.target.files[0];
setState({ ...state, selectedFile, importDisabled: false });
}
const selectFileHandler = () => {
selectedFileBtn.click();
}
const importFileHandler = () => {
const wrongPasswordHandler = message => {
setState({
...state,
showWarning: true,
shakeAnimation: "shake 0.5s",
warningMessage: message,
importPassword: ''
});
setTimeout(() => setState({ ...state, shakeAnimation: '' }), 500);
};
spread.import(state.selectedFile, console.log, error => {
if (error.errorCode === GC.Spread.Sheets.IO.ErrorCode.noPassword
|| error.errorCode === GC.Spread.Sheets.IO.ErrorCode.invalidPassword
) {
wrongPasswordHandler(error.errorMessage);
}
}, {
fileType: GC.Spread.Sheets.FileType.excel,
password: state.importPassword
});
}
const exportFileHandler = () => {
let password = state.exportPassword;
spread.export(blob => saveAs(blob, (password ? 'encrypted-' : '') + 'export.xlsx'), console.log, {
fileType: GC.Spread.Sheets.FileType.excel,
password: password
});
}
const initPassword = () => {
setState({
...state,
showWarning: false,
warningMessage: ''
});
}
return (
<div class="sample-tutorial">
<div class="sample-container">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => initSpread(spread)}>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
<div id="statusBar"></div>
</div>
<div className="options-container">
<div className="option-row">
<div class="inputContainer">
<div class="options-title">Import:</div>
<input class={"passwordIpt " + (state.showWarning ? 'warning' : '')} id="importPassword" type="password"
placeholder="Password" name="importPassword" value={state.importPassword} disabled={state.importDisabled}
style={{ animation: state.shakeAnimation }} onFocus={() => { initPassword() }}
onChange={(e) => setState({ ...state, importPassword: e.target.value })} />
<br />
<div id="warningBox">{state.warningMessage}</div>
<input id="selectedFile" type="file" accept=".xlsx" onChange={(e) => selectedFileChange(e)} ref={(el) => selectedFileBtn = el} />
<button class="settingButton" id="selectBtn" onClick={() => selectFileHandler()}>Select</button>
<button class="settingButton" id="importBtn" onClick={() => importFileHandler()} disabled={state.importDisabled}>Import</button>
</div>
<div class="inputContainer">
<div class="options-title">Export:</div>
<input class="passwordIpt" id="exportPassword" type="password" placeholder="Password" name="exportPassword"
value={state.exportPassword} onChange={(e) => setState({ ...state, exportPassword: e.target.value })} />
<br />
<button class="settingButton" id="exportBtn" onClick={() => exportFileHandler()}>Export</button>
</div>
</div>
</div>
</div>
);
}
import * as React from 'react';
import { SpreadSheets, Worksheet } from '@mescius/spread-sheets-react';
import GC from '@mescius/spread-sheets';
import '@mescius/spread-sheets-io';
import '@mescius/spread-sheets-shapes';
import '@mescius/spread-sheets-charts';
import '@mescius/spread-sheets-slicers';
import '@mescius/spread-sheets-pivot-addon';
import '@mescius/spread-sheets-reportsheet-addon';
import "@mescius/spread-sheets-tablesheet";
import "@mescius/spread-sheets-ganttsheet";
import './styles.css';
const Component = React.Component;
export class App extends Component {
constructor(props) {
super(props);
this.spread = null;
this.state = {
selectedFile: null,
importPassword: '',
importDisabled: true,
shakeAnimation: '',
showWarning: false,
warningMessage: '',
exportPassword: '',
};
}
render() {
return <div class="sample-tutorial">
<div class="sample-container">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => this.initSpread(spread)}>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
<div id="statusBar"></div>
</div>
<div className="options-container">
<div className="option-row">
<div class="inputContainer">
<div class="options-title">Import:</div>
<input class={"passwordIpt " + (this.state.showWarning ? 'warning' : '')} id="importPassword" type="password"
placeholder="Password" name="importPassword" value={this.state.importPassword} disabled={this.state.importDisabled}
style={{animation: this.state.shakeAnimation}} onFocus={() => {this.initPassword()}}
onChange={(e) => this.setState({importPassword: e.target.value})} />
<br/>
<div id="warningBox">{this.state.warningMessage}</div>
<input id="selectedFile" type="file" accept=".xlsx" onChange={(e)=>this.selectedFileChange(e)} ref={(el) => this.selectedFileBtn = el}/>
<button class="settingButton" id="selectBtn" onClick={()=>this.selectFileHandler()}>Select</button>
<button class="settingButton" id="importBtn" onClick={()=>this.importFileHandler()} disabled={this.state.importDisabled}>Import</button>
</div>
<div class="inputContainer">
<div class="options-title">Export:</div>
<input class="passwordIpt" id="exportPassword" type="password" placeholder="Password" name="exportPassword"
value={this.state.exportPassword} onChange={(e) => this.setState({exportPassword: e.target.value})}/>
<br/>
<button class="settingButton" id="exportBtn" onClick={()=>this.exportFileHandler()}>Export</button>
</div>
</div>
</div>
</div>;
}
initSpread(spread) {
this.spread = spread;
}
selectedFileChange(e) {
let selectedFile = e.target.files[0];
this.setState({selectedFile, importDisabled: false});
}
selectFileHandler() {
this.selectedFileBtn.click();
}
importFileHandler () {
const wrongPasswordHandler = message => {
this.setState({
showWarning: true,
shakeAnimation: "shake 0.5s",
warningMessage: message,
importPassword: ''
});
setTimeout(() => this.setState({shakeAnimation: ''}), 500);
};
this.spread.import(this.state.selectedFile, console.log, error => {
if (error.errorCode === GC.Spread.Sheets.IO.ErrorCode.noPassword
|| error.errorCode === GC.Spread.Sheets.IO.ErrorCode.invalidPassword
) {
wrongPasswordHandler(error.errorMessage);
}
}, {
fileType: GC.Spread.Sheets.FileType.excel,
password: this.state.importPassword
});
}
exportFileHandler () {
let password = this.state.exportPassword;
this.spread.export(blob => saveAs(blob, (password ? 'encrypted-' : '') + 'export.xlsx'), console.log, {
fileType: GC.Spread.Sheets.FileType.excel,
password: password
});
}
initPassword() {
this.setState({
showWarning: false,
warningMessage: ''
});
}
}
<!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="$DEMOROOT$/en/react/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<script src="$DEMOROOT$/spread/source/js/FileSaver.js" type="text/javascript"></script>
<!-- SystemJS -->
<script src="$DEMOROOT$/en/react/node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('$DEMOROOT$/en/lib/react/license.js').then(function () {
System.import('./src/app');
});
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
#app {
height: 100%;
}
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-container {
width: calc(100% - 280px);
height: 100%;
float: left;
}
.sample-spreadsheets {
width: 100%;
height: calc(100% - 25px);
overflow: hidden;
}
.options-container {
float: right;
width: 280px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
}
.sample-options {
z-index: 1000;
}
.inputContainer {
width: 100%;
height: auto;
border: 1px solid #eee;
padding: 6px 12px;
margin-bottom: 10px;
box-sizing: border-box;
}
.settingButton {
color: #fff;
background: #82bc00;
outline: 0;
line-height: 1.5715;
position: relative;
display: inline-block;
font-weight: 400;
white-space: nowrap;
text-align: center;
height: 32px;
padding: 4px 15px;
font-size: 14px;
border-radius: 2px;
user-select: none;
cursor: pointer;
border: 1px solid #82bc00;
box-sizing: border-box;
margin-bottom: 10px;
margin-top: 10px;
margin-right: 5px;
}
.settingButton:hover {
color: #fff;
border-color: #88b031;
background: #88b031;
}
.settingButton:disabled {
background: #e2dfdf;
border-color: #ffffff;
}
.options-title {
font-weight: bold;
margin: 4px 2px;
}
#selectedFile {
display: none;
}
select, input[type="text"], input[type="number"] {
display: inline-block;
margin-left: auto;
width: 120px;
font-weight: 400;
outline: 0;
line-height: 1.5715;
border-radius: 2px;
border: 1px solid #F4F8EB;
box-sizing: border-box;
}
.passwordIpt {
margin-top: 10px;
height: 25px;
}
.passwordIpt.warning {
border-color: red;
}
.passwordIpt.warning::placeholder {
color: red;
opacity: 0.8;
}
@keyframes shake {
0% { transform: translate(1px, 1px) rotate(0deg); }
10% { transform: translate(-1px, -2px) rotate(-1deg); }
20% { transform: translate(-3px, 0px) rotate(1deg); }
30% { transform: translate(3px, 2px) rotate(0deg); }
40% { transform: translate(1px, -1px) rotate(1deg); }
50% { transform: translate(-1px, 2px) rotate(-1deg); }
60% { transform: translate(-3px, 1px) rotate(0deg); }
70% { transform: translate(3px, 1px) rotate(-1deg); }
80% { transform: translate(-1px, -1px) rotate(1deg); }
90% { transform: translate(1px, 2px) rotate(0deg); }
100% { transform: translate(1px, 1px) rotate(0deg); }
}
#warningBox {
color: red;
}
(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: {
'@mescius/spread-sheets': 'npm:@mescius/spread-sheets/index.js',
'@mescius/spread-sheets-react': 'npm:@mescius/spread-sheets-react/index.js',
'@mescius/spread-sheets-io': 'npm:@mescius/spread-sheets-io/index.js',
'@mescius/spread-sheets-charts': 'npm:@mescius/spread-sheets-charts/index.js',
'@mescius/spread-sheets-shapes': 'npm:@mescius/spread-sheets-shapes/index.js',
'@mescius/spread-sheets-slicers': 'npm:@mescius/spread-sheets-slicers/index.js',
'@mescius/spread-sheets-pivot-addon': 'npm:@mescius/spread-sheets-pivot-addon/index.js',
'@mescius/spread-sheets-reportsheet-addon': 'npm:@mescius/spread-sheets-reportsheet-addon/index.js',
'@mescius/spread-sheets-tablesheet': 'npm:@mescius/spread-sheets-tablesheet/index.js',
'@mescius/spread-sheets-ganttsheet': 'npm:@mescius/spread-sheets-ganttsheet/index.js',
'@grapecity/jsob-test-dependency-package/react-components': 'npm:@grapecity/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);
