如题 ,我的代码是
var workbook = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
var excelIo = new GC.Spread.Excel.IO();
var excelFile = document.getElementById("fileSelector2").files[0];
excelIo.open(excelFile,function(json){
var workbookObj = json;
workbook.fromJSON(workbookObj);
var spread = GC.Spread.Sheets.findControl(document.getElementById("ss"));
var jsonString = JSON.stringify(spread.toJSON());
alert(jsonString);
var spread2 = $("#ss").data("spread");
spread2.fromJSON(JSON.parse(jsonString));
},function(e){
console.log(e);
});