在layer弹出层中通过ajax返回html拼接字符串填充数据的方法

 @foreach (var perm in ViewBag.allPerms)
 {
  <input type=\"checkbox\" id=\"permissionIds_@perm.Id\" 
   name=\"PermissionIds\" value=\"@perm.Id\" 
 checked=\"@(ViewBag.RolePerms.Select(r=>r.Id).Contains(perm.Id))\"/>
   <label for=\"permissionIds_@perm.Id\">@perm.Name</label>
 }

 //填充角色数据并显示
 public ActionResult Edit(long roleId = 0)
 {
  if (roleId == 0)
  {
   return Json(new JsonData { State = 0, ErrorMsg = \"角色不存在！\" });
   }
   var role = RoleService.GetById(roleId);
   if (role==null)
  {
   return Json(new JsonData { State = 0, ErrorMsg = \"角色Id不存在！\" });
   }
   var allPerms = PermissionService.GetAll();
   var rolePerms = PermissionService.GetByRoleId(roleId);
   RoleEditGetModel model = new RoleEditGetModel();
   model.RolePerms = rolePerms;
   model.AllPerms = allPerms;
   return Json(new JsonData { State = 1, Data = model });
 }

success: function ( o, index) {
     //填充数据
     $.ajax({
      url: \"/Role/Edit?roleId=\" + id,
      type: \"post\",
      dataType: \"json\",
      success: function (res) {
       if (res.State == 1) {
        var html = \"\";
        var bool = false;
        for (var i = 0; i < res.Data.AllPerms.length; i++) {
         bool = false;
         for (var j = 0; j < res.Data.RolePerms.length; j++) {
          if (res.Data.RolePerms[j].Id == res.Data.AllPerms[i].Id) {
           bool = true;
           break;
          }
         }
         html += \' <input \' + (bool ? \"checked\" : \"\") + \' type=\"checkbox\" id=\"permissionIds_\' + res.Data.AllPerms[i].Id + \'\" name=\"PermissionIds\" value=\"\' + res.Data.AllPerms[i].Id + \'\" /> 
         <label for=\"permissionIds_\' + res.Data.AllPerms[i].Id + \'\">\' + res.Data.AllPerms[i].Name + \'</label>\'
        }
        $(\"#formValue\").html(html);
       }
      },
      error: function () {
        .alert(\'网络请求失败！\', {
         : \'提示框\',
        icon: 0,
       });
      }
     });
    },