// 保存一个密码
public static void SavePassword(string uid,
string userName,
string password)
{
lock (_passwordTable.SyncRoot)
{
string key = PasswordItem.BuildKey(uid, userName);
PasswordItem item = (PasswordItem)_passwordTable[key];
if (item == null)
{
item = new PasswordItem
{
UID = uid,
UserName = userName,
Password = password,
LastTime = DateTime.Now
};
_passwordTable[key] = item;
}
else
{
item.Password = password;
item.LastTime = DateTime.Now;
}
}
}
// 从缓存中删掉一个密码事项
public static void DeletePassword(string uid, string userName)
{
lock (_passwordTable.SyncRoot)
{
string key = PasswordItem.BuildKey(uid, userName);
_passwordTable.Remove(key);
}
}
// 获取一个密码
// return:
// null 没有找到密码
// 其它 返回密码
public static string GetPassword(string uid, string userName)
{
lock (_passwordTable.SyncRoot)
{
string key = PasswordItem.BuildKey(uid, userName);
PasswordItem item = (PasswordItem)_passwordTable[key];
if (item == null)
{
return(null);
}
item.LastTime = DateTime.Now;
return(item.Password);
}
}
