public async Task <IActionResult> ManageUserRoles(string userId)
{
ViewBag.userId = userId;
var user = await _userManager.FindByIdAsync(userId);
if (user == null)
{
ViewBag.ErrorMessage = $"无法找到 Id {userId} 的用户";
return(View("NotFound"));
}
var model = new List <RolesInUserViewModel>();
foreach (var role in _roleManager.Roles)
{
var rolesInUserViewModel = new RolesInUserViewModel
{
RoleId = role.Id,
RoleName = role.Name,
IsSelected = await _userManager.IsInRoleAsync(user, role.Name)
};
model.Add(rolesInUserViewModel);
}
return(View(model));
}
public async Task <IActionResult> EditRolesInUser(string userId)
{
ViewBag.userId = userId;
var user = await _userManager.FindByIdAsync(userId);
if (user == null)
{
ViewBag.ErrorMessage = $"User with Id = {userId} cannot be found";
return(View("NotFound"));
}
var modelList = new List <RolesInUserViewModel>();
foreach (var role in _roleManager.Roles)
{
var model = new RolesInUserViewModel
{
RoleId = role.Id,
RoleName = role.Name
};
model.IsSelected = await _userManager.IsInRoleAsync(user, role.Name) ? true : false;
modelList.Add(model);
}
return(View(modelList));
}
//[Authorize(Policy ="EditRolePolicy")]
public async Task <IActionResult> ManageUserRoles(string userId)
{
ViewBag.userId = userId;
var user = await _userManager.FindByIdAsync(userId);
if (user == null)
{
ViewBag.ErrorMessage($"无法找到ID为：{userId}的用户");
return(View("NotFound"));
}
var model = new List <RolesInUserViewModel>();
var roles = await _roleManager.Roles.ToListAsync();
foreach (var item in roles)
{
var rolesInUserViewModel = new RolesInUserViewModel()
{
RoleId = item.Id,
RoleName = item.Name
};
//判断当前用户是否已经在该角色中
if (await _userManager.IsInRoleAsync(user, item.Name))
{
//将已拥有的角色信息设置为选中
rolesInUserViewModel.IsSelected = true;
}
else
{
rolesInUserViewModel.IsSelected = false;
}
model.Add(rolesInUserViewModel);
}
return(View(model));
}
public async Task <IActionResult> ManageUserRoles(string userId)
{
ViewBag.userId = userId;
var user = await userManager.FindByIdAsync(userId);
if (user == null)
{
ViewBag.ErrorMessage = $"无法找到ID为{userId}的用户";
return(View("NotFound"));
}
var model = new List <RolesInUserViewModel>();
//直接用roleManager.Roles会在userManager.IsInRoleAsync时出错
var roles = await roleManager.Roles.ToListAsync();
foreach (var role in roles)
{
var rolesInuserViewModel = new RolesInUserViewModel
{
RoleId = role.Id,
RoleName = role.Name,
};
//判断当前用户是否已经拥有该角色信息
if (await userManager.IsInRoleAsync(user, role.Name))
{
//将已拥有的角色信息设置为选中
rolesInuserViewModel.IsSelected = true;
}
else
{
rolesInuserViewModel.IsSelected = false;
}
//添加已经角色到新的视图模型列表
model.Add(rolesInuserViewModel);
}
return(View(model));
}