You might want to google or even use the search function in this forum. There is already plenty of information out there.
You will not find very detailed leveling guides or builds, because you basicly learn every class while leveling anyway, which is neccessary to be able to survive at lvl 80. There is nothing worse than just copy and paste any build without knowing what to use why to use it, what you ditch or trade for for what, which rotation or synergies to use.
For most classes you can just follow an 80s build while leveling. Most raiding or 80s guides explain the choices that had been made for which build, so you can learn along those guides what to aim for and what to avoid.
Not trying to be rude here - but man, requesting leveling builds for every class now?
Here is a perfectly fine guide for TOS: