Like Amanda and Amiko said, you have to forgive yourself, and the person who hurt you. I agree, you'll never fully get over it, but you'll relearn how to trust others. It might take you a while, but you will.
In the meantime, like Amanda said, remind yourself that the people with you aren't the person(s) who hurt you. Its was easiest for me to start with family, but if you're referring to being in a relationship, then I'm going to tell you flat out to take it slow. Racing into it will by far overwhelm you beyond belief. Its best to take time to get to know someone so you CAN learn to trust them. I think anyone will agree that after being abused or raped, that a lot of things are like being a baby - you have to relearn things all over again.
Don't force yourself into any situation you're not comfortable with, and take your time. You'll be happier with your choice in the long run. Feel free to
PM me any time if you feel like you need to talk.