github 不知名

src/com/hellogithub/dao/githubDao.java

@@ -60,24 +60,17 @@ public class githubDao {
         return back;
     }
 
-    public ResultSetMetaData ret_Github_info(int projectid) {
-        List<githubEntity> githubEntityList;
-        ResultSetMetaData rsmd = null;
+    public githubEntity ret_Github_info(int projectid) {
+        githubEntity githubEntityList;
         String sql = "select * from githubinfo WHERE projectId = ?;";
         try {
             Connection conn = JdbcUtils.getConnection();
-            PreparedStatement prep = conn.prepareStatement(sql);
-            ResultSet rs = null;
-            prep.setInt(1, projectid);
-            rs = prep.executeQuery();
-            while (rs.next()) {
-                rsmd = rs.getMetaData();
-            }
-            conn.close();
+            QueryRunner runner = new QueryRunner();
+            githubEntityList = runner.query(conn,sql,new BeanHandler<>(githubEntity.class),projectid);
         } catch (SQLException e) {
             throw new RuntimeException(e);
         }
-        return rsmd;
+        return githubEntityList;
     }
 
 }

src/com/hellogithub/service/githubService.java

@@ -17,7 +17,6 @@ public class githubService {
     }
 
     public String ret_Github_info(int projectId){
-        ResultSetMetaData rsmd = githubDao.ret_Github_info(projectId);
-        return JSONObject.toJSONString(rsmd);
+        return JSONObject.toJSONString(githubDao.ret_Github_info(projectId));
     }
 }