JSON序列化及反序列化
集算表的JSON序列化以及反序列化是由Workbook的toJSON以及fromJSON方法驱动的。
SJS序列化及反序列化
TableSheet的SJS序列化和反序列化是使用Workbook的open和save方法完成的。
导出Excel
集算表导出Excel同样是由GC.Spread.Excel.IO的save方法驱动的。
建议在导出Excel的时候将includeBindingSource选项置为true。
在导出Excel时，可以将saveAsView设置为true。
导出PDF
集算表导出PDF是由Workbook的savePDF方法驱动的。
对于打印或者导出PDF，用户可以通过使用printInfo方法自定义打印信息。
打印
集算表的打印是由Workbook的print方法驱动的。
集算表支持打印信息的大多数属性，除了columnStart/columnEnd/rowStart/rowEnd、repeatColumnStart/repeatColumnEnd/repeatRowStart/repeatRowEnd以及showRowHeader。
/*REPLACE_MARKER*/
/*DO NOT DELETE THESE COMMENTS*/
window.onload = function() {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"), { sheetCount: 0 });
initSpread(spread);
initEvent(spread);
};
function initSpread(spread) {
spread.suspendPaint();
spread.options.autoFitType = GC.Spread.Sheets.AutoFitType.cellWithHeader;
spread.options.highlightInvalidData = true;
//init a data manager
var baseApiUrl = getBaseApiUrl();
var dataManager = spread.dataManager();
//add product table
var productTable = dataManager.addTable("productTable", {
remote: {
read: {
url: baseApiUrl + "/Product"
}
}
});
//init a table sheet
var sheet = spread.addSheetTab(0, "TableSheet1", GC.Spread.Sheets.SheetType.tableSheet);
sheet.options.allowAddNew = false; //hide new row
sheet.setDefaultRowHeight(40, GC.Spread.Sheets.SheetArea.colHeader);
//bind a view to the table sheet
var numericStyle = {};
numericStyle.formatter = "$ 0.00";
var formulaRule = {
ruleType: "formulaRule",
formula: "@>=50",
style: {
font:"bold 12pt Calibri",
backColor: "#F7D3BA",
foreColor :"#F09478"
}
};
var positiveNumberValidator = {
type: "formula",
formula: '@<50',
inputTitle: 'Data validation:',
inputMessage: 'Enter a number smaller than 50.',
highlightStyle: {
type: 'icon',
color: "#F09478",
position: 'outsideRight',
}
};
var myView = productTable.addView("myView", [
{ value: "Id", caption: "ID", width: 46},
{ value: "ProductName", caption: "Name", width: 200 },
{ value: "UnitPrice", caption: "Unit Price", width: 140, conditionalFormats: [formulaRule], validator: positiveNumberValidator, style: numericStyle },
{ value: "=SUM([@UnitsInStock] , [@UnitsOnOrder])", caption: "Total Units", width: 140},
{ value: "Discontinued", width: 120, style:{formatter:"[green]✔;;[red]✘"}}
]);
myView.fetch().then(function() {
sheet.setDataView(myView);
});
spread.resumePaint();
}
function initEvent(spread) {
document.getElementById('toJSON').onclick = function() {
var json = spread.toJSON({ includeBindingSource: true, saveAsView: true });
saveAs(new Blob([JSON.stringify(json)], { type: "text/plain;charset=utf-8" }), 'download.ssjson');
};
document.getElementById('toSJS').onclick = function() {
spread.save(function (blob) {
saveAs(blob, 'download.sjs');
}, function (e) {
console.log(e);
});
}
document.getElementById('fromJSONOrSJS').onclick = function() {
var file = document.getElementById("fileDemo").files[0];
if (file) {
var suffix = file.name.substr(file.name.lastIndexOf(".") + 1).toLowerCase();
if (suffix === "ssjson" || suffix === "json") {
var reader = new FileReader();
reader.onload = function() {
var json = JSON.parse(this.result);
spread.fromJSON(json);
};
reader.readAsText(file);
} else if (suffix === 'sjs') {
spread.open(file, function () {
}, function (e) {
console.log(e); // error callback
});
}
}
};
document.getElementById('saveExcel').onclick = function() {
spread.export(function (blob) {
saveAs(blob, "export.xlsx");
}, function(e) {
console.log(e);
}, {
fileType: GC.Spread.Sheets.FileType.excel
});
};
document.getElementById('exportPDF').onclick = function() {
spread.savePDF(function(blob) {
saveAs(blob, "export.pdf");
}, function(error) {
console.log(error);
}, null, spread.getSheetCount() + spread.getActiveSheetTabIndex());
};
document.getElementById('print').onclick = function() {
spread.print();
};
}
function getBaseApiUrl() {
return window.location.href.match(/http.+spreadjs\/SpreadJSTutorial\//)[0] + 'server/api';
}
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta name="spreadjs culture" content="zh-cn" />
<meta charset="utf-8" />
<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="$DEMOROOT$/spread/source/js/FileSaver.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-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="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-io/dist/gc.spread.sheets.io.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 class="options-container">
<fieldset>
<legend>Save</legend>
<div class="field-line">
<input type="button" id="toJSON" value="JSON" class="button">
</div>
<div class="field-line">
<input type="button" id="toSJS" value="SJS" class="button">
</div>
<div class="field-line">
<input type="button" id="saveExcel" value="Excel" class="button">
</div>
</fieldset>
<fieldset>
<legend>Load</legend>
<div class="field-line">
<input type="file" id="fileDemo" class="input">
</div>
<div class="field-line">
<input type="button" id="fromJSONOrSJS" value="JSON or SJS" class="button">
</div>
</fieldset>
<fieldset>
<legend>Render</legend>
<div class="field-line">
<input type="button" id="exportPDF" value="PDF" class="button">
</div>
<div class="field-line">
<input type="button" id="print" value="PRINT" class="button">
</div>
</fieldset>
</div>
</div>
</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;
}
.sample-options {
z-index: 1000;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
fieldset {
padding: 6px;
margin: 0;
margin-top: 10px;
}
fieldset span,
fieldset input,
fieldset select {
display: inline-block;
text-align: left;
}
fieldset input[type=text] {
width: calc(100% - 58px);
}
fieldset input[type=button] {
width: 100%;
text-align: center;
}
fieldset input[type=file] {
width: 100%;
text-align: left;
}
fieldset select {
width: calc(100% - 50px);
}
.field-line {
margin-top: 4px;
}
.field-inline {
display: inline-block;
vertical-align: middle;
}
fieldset label.field-inline {
width: 100px;
}
fieldset input.field-inline {
width: calc(100% - 100px - 12px);
}
