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您可以来从JSON对象导入数据或将数据导出到JSON对象使用 fromJSON方法 和 toJSON 方法 。
将数据导出到JSON对象时,您可以设置几个序列化选项以导出自定义数据。这些选项包括 ignoreStyle , ignoreFormula , rowHeadersAsFrozenColumns 以及 columnHeadersAsFrozenRows .
从JSON对象导入数据时,可以为自定义数据导入设置多个反序列化选项。 这些选项包括 ignoreStyle,ignoreFormula,frozenColumnsAsRowHeaders,frozenRowsAsColumnHeaders 和 doNotRecalculateAfterLoad 。
早期版本的SpreadJS无法加载使用SpreadJS 3.20142.11或更高版本创建的JSON文件。
本示例导出到JSON对象并从JSON对象导入。
workbook.fromJSON(jsonData,{
ignoreFormula:true,
ignoreStyle:true,
frozenColumnsAsRowHeaders:false,
frozenRowsAsColumnHeaders:false,
doNotRecalculateAfterLoad:true
});
workbook.toJSON({
ignoreFormula:true,
ignoreStyle:true,
rowHeadersAsFrozenColumns:true,
columnHeadersAsFrozenRows:true
});
此Visual Studio示例加载ssjson文件。
<?xml version="1.0"?>
<!--
For more information on how to configure your ASP.NET application, visit http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<system.web>
<compilation debug="true" targetFramework="4.5" />
<httpRuntime targetFramework="4.5" />
</system.web>
<system.webServer>
<staticContent>
<mimeMap fileExtension=".ssjson" mimeType="text/plain" />
</staticContent>
</system.webServer>
</configuration>
<!DOCTYPE html>
<html lang="en">
<head>
<title>TestLoad ssjson</title>
<!--SpreadJS Widgets CSS-->
<link href="./css/gc.spread.sheets.13.0.0.css" rel="stylesheet" type="text/css" />
<!--jQuery Reference-->
<script src="http://code.jquery.com/jquery-1.9.1.min.js" type="text/javascript"></script>
<!--SpreadJS Widgets JavaScript-->
<script src="./scripts/gc.spread.sheets.all.13.0.0.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function () {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"),{sheetCount:3});
$.ajax({
url: "TestFile.ssjson",
datatype: "json",
success: function (data) {
//here to load ssjson file.
spread.suspendPaint();
spread.fromJSON(JSON.parse(data));
spread.resumePaint();
},
error: function (ex) {
alert('Exception:' + ex);
}
});
});
</script>
</head>
<body>
<div class="container">
<div class="header">
<h2>Sample for load .ssjson file</h2>
</div>
<div id="ss" style="width: 100%; height: 430px; border: 1px solid gray;"></div>
</div>
</body>
</html>