var designer = GC.Spread.Sheets.Designer.findControl("ExcelTemplateDiv");
var spread1 = designer.getWorkbook();
var jsonString = JSON.stringify(spread1.toJSON());//获取到的是上次编辑的历史json
//第二次赋值json
spread.fromJSON(excelJson, jsonOptions);
var jsonString = JSON.stringify(spread.toJSON());
console.warn(jsonString);//取出来的是最新赋值进去的json, (正常)
//再次用findControl方法取出json是第一次的json (不正常)
var designer2 = GC.Spread.Sheets.Designer.findControl("ExcelTemplateDiv");
var spread2 = designer2.getWorkbook();
var jsonString2 = JSON.stringify(spread2.toJSON());
console.error(jsonString2);//再次用findControl方法取出ssjson是上一次加载的json