必需的依赖项
如果您想要支持IO功能（除了JSON序列化/反序列化），您需要导入并引用以下特定的NPM包：
新的SJS格式：@grapecity-software/spread-sheets-io
打印：@grapecity-software/spread-sheets-print
PDF：@grapecity-software/spread-sheets-pdf
导出到Excel
如果您想要将甘特数据导出到Excel，您需要确保序列化选项为includeBindingSource: true。
注意：甘特图列将以图片的形式导出到Excel文件中。
/*REPLACE_MARKER*/
/*DO NOT DELETE THESE COMMENTS*/
var spread;
var myTable;
var ganttSheet;
var FileType = {
SJS: 'sjs',
Excel: 'xlsx',
SSJson: 'ssjson'
};
var openOptions = {
openMode: GC.Spread.Sheets.OpenMode.normal,
fullRecalc: true
};
window.onload = function() {
spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"), { sheetCount: 0 });
initSpread(spread);
initSplitView(spread);
};
function initSpread(spread) {
spread.suspendPaint();
initDataSource(spread);
initGanttSheet(spread);
spread.resumePaint();
}
function initDataSource(spread) {
var tableName = "Gantt_Id";
var baseApiUrl = getBaseApiUrl();
var apiUrl = baseApiUrl + "/" + tableName;
var dataManager = spread.dataManager();
myTable = dataManager.addTable("myTable", {
batch: true,
remote: {
read: {
url: apiUrl
}
},
schema: {
hierarchy: {
type: "Parent",
column: "parentId"
},
columns: {
id: { isPrimaryKey: true },
taskNumber: { dataType: "rowOrder" }
}
}
});
}
function initGanttSheet(spread) {
ganttSheet = spread.addSheetTab(0, "GanttSheet", GC.Spread.Sheets.SheetType.ganttSheet);
var view = myTable.addView("ganttView", [
{ value: "taskNumber", caption: "NO.", width: 60 },
{ value: "name", caption: "Task Name", width: 200 },
{ value: "duration", caption: "Duration", width: 90 },
{ value: "predecessors", caption: "Predecessors", width: 120, visible: false }
]);
view.fetch().then(function() {
ganttSheet.bindGanttView(view);
});
initSidePanel(spread, ganttSheet);
}
function initSidePanel(spread, ganttSheet) {
var fileInput = document.getElementById("file-input");
var openFileItem = document.getElementById("open-file");
var fileNameItem = document.getElementById("file-name");
var exportJSONItem = document.getElementById("export-to-json");
var exportSJSItem = document.getElementById("export-to-sjs");
var exportExcelItem = document.getElementById("export-to-excel");
var printItem = document.getElementById("print");
var pdfItem = document.getElementById("pdf");
openFileItem.addEventListener('click', function() {
fileInput.click();
});
fileInput.addEventListener('change', function(e) {
openFile(e, fileNameItem, fileInput);
});
exportJSONItem.addEventListener('click', function () {
exportFile(FileType.SSJson);
});
exportSJSItem.addEventListener('click', function () {
exportFile(FileType.SJS);
});
exportExcelItem.addEventListener('click', function () {
exportFile(FileType.Excel);
});
printItem.addEventListener('click', function() {
printSpread();
});
pdfItem.addEventListener('click', function() {
savePDF();
});
}
function getFileType (file) {
if (!file) {
return;
}
var fileName = file.name;
var extensionName = fileName.substring(fileName.lastIndexOf(".") + 1);
if (extensionName === 'sjs') {
return FileType.SJS;
} else if (extensionName === 'xlsx' || extensionName === 'xlsm') {
return FileType.Excel;
} else if (extensionName === 'ssjson' || extensionName === 'json') {
return FileType.SSJson;
}
}
function openFile(e) {
var fileNameItem = document.getElementById("file-name");
var fileInput = document.getElementById("file-input");
fileNameItem.value = 'Loading file...';
var file = fileInput.files[0];
if (!file) {
alert("Upload a file first.");
return;
}
var fileType = getFileType(file);
var fileName = file.name;
if (fileType === FileType.SJS) {
// here is excel IO API
spread.open(file, function() {
fileNameItem.value = fileName;
fileInput.value = '';
}, function() {}, openOptions);
// process error
} else {
spread.import(file, function() {
fileNameItem.value = fileName;
fileInput.value = '';
}, function() {}, openOptions);
}
}
function getExportOptions(fileType) {
return {
// process error
fileType: GC.Spread.Sheets.FileType[fileType],
includeBindingSource: true,
saveAsView: true
};
}
function exportFile(fileType) {
var fileName = 'export.' + fileType;
var options = getExportOptions(fileType);
if (fileType === FileType.SJS) {
spread.save(function(blob) { saveAs(blob, fileName); }, function() {}, options);
// here is excel IO API
// process error
} else {
spread.export(function(blob) { saveAs(blob, fileName); }, function() {}, options);
}
}
function printSpread() {
spread.print();
}
function savePDF() {
spread.savePDF(
function (blob) {
saveAs(blob, 'download.pdf');
},
function () {}
);
}
function getBaseApiUrl() {
return window.location.href.match(/http.+spreadjs\/SpreadJSTutorial\//)[0] + 'server/api';
}
function initSplitView(spread) {
var host = document.getElementById("split-view");
var content = host.getElementsByClassName("split-content")[0];
var panel = host.getElementsByClassName("split-panel")[0];
new SplitView({
host: host,
content: content,
panel: panel,
refreshContent: function() {
spread.refresh();
}
});
}
<!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">
<link rel="stylesheet" type="text/css" href="$DEMOROOT$/spread/source/splitView/splitView.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-print/dist/gc.spread.sheets.print.min.js"
type="text/javascript"></script>
<script
src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-pdf/dist/gc.spread.sheets.pdf.min.js"
type="text/javascript"></script>
<script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-io/dist/gc.spread.sheets.io.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-ganttsheet/dist/gc.spread.sheets.ganttsheet.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="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-excelio/dist/gc.spread.excelio.min.js"
type="text/javascript"></script>
<script src="$DEMOROOT$/spread/source/splitView/splitView.js" type="text/javascript"></script>
<script src="$DEMOROOT$/spread/source/js/license.js" type="text/javascript"></script>
<script src="$DEMOROOT$/spread/source/js/FileSaver.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 id="split-view" class="sample-tutorial">
<div id="ss" class="sample-spreadsheets split-content"></div>
<div class="options-container split-panel">
<div class="option-block">
<input id="file-input" type="file" name="files[]" accept=".xlsx, .ssjson, .json, .sjs, .zip, .xlsm"
class="hide" />
<div class="option-row input-box">
<label for="file-name">File Name</label>
<input type="text" id="file-name" value="" disabled />
</div>
<div class="option-row">
<input type="button" id="open-file" class="option-button" value="Open File" />
<div class="option-info">File Type: *.ssjson, *.sjs</div>
</div>
</div>
<div class="option-block">
<div class="option-row">
<input type="button" id="export-to-json" class="option-button" value="Export to JSON" />
</div>
<div class="option-row">
<input type="button" id="export-to-sjs" class="option-button" value="Export to SJS" />
</div>
<div class="option-row">
<input type="button" id="export-to-excel" class="option-button" value="Export to Excel" />
</div>
</div>
<div class="option-block">
<div class="option-row">
<input type="button" id="print" class="option-button" value="Print" />
</div>
<div class="option-row">
<input type="button" id="pdf" class="option-button" value="PDF" />
</div>
</div>
</div>
</div>
</html>
.options-container {
float: right;
width: 280px;
padding: 12px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
box-shadow: inset 0px 0 4px 0 rgba(0,0,0,0.4);
}
.option-block {
background: #fff;
padding: 8px;
margin: 12px 0;
border-radius: 4px;
border: 1px dashed #82bc00;
box-shadow: 0px 0 6px 0 rgba(0,0,0,0.1);
}
.option-block.toggle {
border: 1px dotted #f7a711;
}
.option-row {
font-size: 14px;
box-sizing: border-box;
padding: 4px 0;
}
.option-title {
font-weight: bold;
color: #656565;
}
.option-info {
font-size: 12px;
color: #919191;
margin-top: 6px;
font-weight: normal;
}
.option-info.valid {
color: #82bc00;
}
.option-info.toggle {
color: #f7a711;
}
.option-button {
width: 100%;
padding: 0;
line-height: 20px;
background: #82bc00;
color: #fff;
transition: 0.3s;
cursor: pointer;
outline: none;
border-radius: 4px;
box-sizing: border-box;
box-shadow: 0 1px 4px 0 rgba(0,0,0,0.3);
border: none;
}
.option-button:hover {
background: #82bc00;
color: #fff;
box-shadow: 0 3px 8px 0 rgba(0,0,0,0.4);
}
.option-checkbox {
background: #fff;
border: 1px dashed #f7a711;
color: #f7a711;
padding: 2px 4px;
transition: 0.3s;
box-sizing: border-box;
cursor: pointer;
}
.option-checkbox.active {
color: #fff;
background: #f7a711;
box-shadow: 0 1px 4px 0 rgba(0,0,0,0.3);
border-radius: 4px;
}
.selection-box {
position: relative;
}
.selection-box > select {
text-align: left;
width: 100%;
height: 20px;
padding: 0;
line-height: 20px;
background: transparent;
border: none;
border-bottom: 2px solid #656565;
color: #656565;
transition: 0.3s;
cursor: pointer;
outline: none;
box-sizing: border-box;
}
.selection-box > select > option {
background: white;
}
.selection-box > select:focus {
border-bottom: 2px solid #82bc00;
color: #82bc00;
box-shadow: 0 2px 6px 0 rgba(0,0,0,0.3);
}
.selection-box > label {
position: absolute;
cursor: pointer;
font-size: 12px;
color: #fff;
background: #656565;
padding: 0 4px;
right: 0;
top: 6px;
box-shadow: 0 1px 4px 0 rgba(0,0,0,0.3);
}
.input-box {
position: relative;
}
.input-box > input[type=text] {
width: 100%;
background: transparent;
border: none;
color: #656565;
border-bottom: 2px solid #656565;
outline: none;
box-sizing: border-box;
transition: 0.3s;
}
.input-box > input[type=text]:focus {
color: #82bc00;
border-bottom: 2px solid #82bc00;
}
.input-box > label {
cursor: pointer;
position: absolute;
right: 0;
top: 5px;
font-size: 12px;
color: #fff;
background: #656565;
padding: 0 4px;
box-shadow: 0 1px 4px 0 rgba(0,0,0,0.3);
}
