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在我的项目查询我配置的菜单如下图所示如何避免循环
Menu Group Id Menu ID Parent Menu Id Menulevel Name Action GroupName
1 1 1 1 Home a.htm mainuser
2 2 1 1 Report b.htm mainuser
3 3 1 2 Customer c.htm mainuser
4 4 2 2 Merchant d.htm mainuser
5 5 1 2 Corporate e.htm mainuser
我想从上表
{
"menuname" : "home",
"action" : " a.htm,
"hasChild" : " true ,
"childlist" : [
{
"menuname" : "Customer",
"action" : "c.htm",
"hasChild" : "false",
},
{
"menuname" : "Corporate",
"action" : "e.htm",
"hasChild" : "false",
}
]
}
产生以下JSON来genrate上述JSON第一我正在取父菜单的然后我循环使用该父母的ID每个父菜单获取子菜单。
select * from menugroup where GroupName='mainuser' and Menulevel=1
for each parent menu
select * from menugroup where GroupName='mainuser' and Precedence=1
是他们的任何方式,以避免第二个查询? 任何帮助将不胜感激!
它只返回父菜单而不是子菜单 – Madhesh