sqlite3 todo.db
create table todo(id integer primary key autoincrement, content text);
insert into todo(id,content) values (1,'study English');
export GOPATH=`pwd`
go get github.com/go-martini/martini
go get github.com/mattn/go-sqlite3
go get github.com/martini-contrib/render
go get github.com/codegangsta/martini-contrib/binding
go run server.go