        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导入和导出JSON

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。

示例代码

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
});

示例代码

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>