在等差数列\(\{a _{n} \}\)中，\(a _{1} =3\)，其前\(n\)项和为\(S _{n}\)，等比数列\(\{b _{n} \}\)的各项均为正数，\(b _{1} =1\)，公比为\(q\)，且\(b _{2} +S _{2} =12\)，\(q= \dfrac {S_{2}}{b_{2}}\)．
\((1)\)求\(a _{n}\)与\(b _{n}\)；
\((2)\)设数列\(\{c _{n} \}\)满足\(c_{n}= \dfrac {1}{S_{n}}\)，求\(\{c _{n} \}\)的前\(n\)项和\(T _{n}\)．