EasyUI Datagrid 自定义列、Foolter及单元格编辑

1自定义列，包括 Group

var head1Array = []; 

head1Array.push({ field: 'Id', title: 'xxxx', rowspan: 2 }); 
head1Array.push({ title: 'yyyy', colspan: 4 }); 
var head2Array = []; 
//.each(units,function(i,unit)//colArray.push(field:′Id′,title:unit.Name);//);head2Array.push(field:′Id′,title:′111′);head2Array.push(field:′Id′,title:′222′);head2Array.push(field:′Id′,title:′333′);head2Array.push(field