angular.forEach(rightOptions.options,function(v,k){
_label = v.group;
var subInsertMenus = {};
if(!rightMenus[_label]){//判断父节点是否存在
subMenu(v);
subInsertMenus[v.label] = srm;
var rm = {
"label": _label,
"separator_before":false,
"separator_after":false,
"submenu":subInsertMenus
};
rightMenus[_label] = rm;
}else{
subMenu(v);
rightMenus[_label].submenu[v.label] = srm;
}
});
angularjs之根据某个属性值将json分组
原文：http://blog.51cto.com/dd118/2051721
