发布项目时查询

src/com/hellogithub/dao/githubDao.java

@@ -70,6 +70,7 @@ public class githubDao {
             String sql = "select * from githubinfo where projectId = ? and isValid = 1";
             prep = conn.prepareStatement(sql);
             prep.setInt(1, projectid);
+            rs = prep.executeQuery(sql);
             while (rs.next()) {
                 rsmd = rs.getMetaData();
             }