我有以下模型,我想要一种方法来检查权限是否在角色中。目前我正在使用执行for循环的IsPermissionInRole方法实现它:
public class ApplicationRole : IdentityRole
{
public ApplicationRole() : base() { }
public ApplicationRole(string name) : base(name) { }
public virtual ICollection<Permission> Permissions { get; set; }
public bool IsPermissionInRole(string _permission)
{
bool _retVal = false;
try
{
foreach (Permission _perm in Permissions)
{
if (_perm.Name == _permission)
{
_retVal = true;
break;
}
}
}
catch (Exception)
{
}
return _retVal;
}
}
使用某些linq查询是否有更优雅的方法可以做到这一点?
答案 0 :(得分:2)
您可以使用Any
执行以下操作:
if (Permissions.Any(p => p.Name == _permission))
{
_retVal = true;
}
答案 1 :(得分:2)
或更简单
class SomeClass {
async someFunc() {
const urlParameters = [0, 1, 2];
const batchAjaxResult = await Promise.all(
urlParameters.map(async (parameter) => {
const result = await $.get(`someUrl/${parameter}`);
return {
parameter,
result
}
})
);
console.log(batchAjaxResult);
}
}