请求参数和地址参数

layer  content

请求参数

//弹出修改会员分组
function toupdatecustomergroupbyid(groupid){
alert(groupid);
layer.open({
type: 2,  //iframe窗
title:'修改会员分组',
skin: 'layui-layer-rim', //加上边框
area: ['500px', '240px'], //宽高
content: "${ctx}/customer/toupdatecustomergroup?id="+groupid
});
}

//弹出修改会员分组信息
@RequestMapping("/toupdatecustomergroup")
public String toupdatecustomergroup(HttpServletRequest request,
@RequestParam("id") int id){             //引号里必须写id，不是变量
return "customer/updatecustomergroup";  //返回页面
}

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layer  content

地址参数

//弹出修改会员分组
function toupdatecustomergroupbyid(groupid){
alert(groupid);
layer.open({
type: 2,
title:'修改会员分组',
skin: 'layui-layer-rim', //加上边框
area: ['500px', '240px'], //宽高
content: "${ctx}/customer/toupdatecustomergroup/"+groupid
});
}

//弹出修改会员分组信息
@RequestMapping("/toupdatecustomergroup/{id}")
public String toupdatecustomergroup(HttpServletRequest request,
@PathVariable("id") int id){
CustomerGroup customergrouplist = customerservice.selectgroupbygroupid(id);
request.setAttribute("groupbyid", customergrouplist);
return "customer/updatecustomergroup";
}

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从session取shopid值

//session取shopid
Object objshopid = request.getSession().getAttribute("shopid");
Integer shopid = (Integer) objshopid;