修改评论

src/com/hellogithub/dao/UserDao.java

@@ -211,7 +211,8 @@ public class UserDao {
 
             while(rs.next()){
                 Value = rs.getInt(8);
-            }return Value;
+            }
+            return Value;
 
         }catch(Exception e){
             e.printStackTrace();

src/com/hellogithub/dao/commentDao.java

@@ -7,6 +7,8 @@ import org.apache.commons.dbutils.QueryRunner;
 import org.apache.commons.dbutils.handlers.BeanListHandler;
 
 import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.List;
 
@@ -56,14 +58,29 @@ public class commentDao {
         return commentEntityList;
     }
 
-    public List<commentEntity> selectByTrait(String id,String trait)
+    public List<commentEntity> selectBylikeNum(String id)
     {
         List<commentEntity> commentEntityList ;
         try {
             Connection conn = JdbcUtils.getConnection();
             QueryRunner runner = new QueryRunner();
-            String sql = "select * from comment where projectId = ? and isValid = 1 Order BY ?";
+            String sql = "select * from comment where projectId = ? and isValid = 1 Order BY likeNum DESC";
-            commentEntityList = runner.query(conn, sql,new BeanListHandler<>(commentEntity.class),id,trait);
+            commentEntityList = runner.query(conn, sql,new BeanListHandler<>(commentEntity.class),id);
+            conn.close();
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+        return commentEntityList;
+    }
+
+    public List<commentEntity> selectByCreatTime(String id)
+    {
+        List<commentEntity> commentEntityList ;
+        try {
+            Connection conn = JdbcUtils.getConnection();
+            QueryRunner runner = new QueryRunner();
+            String sql = "select * from comment where projectId = ? and isValid = 1 Order BY creatTime ";
+            commentEntityList = runner.query(conn, sql,new BeanListHandler<>(commentEntity.class),id);
             conn.close();
         } catch (SQLException e) {
             throw new RuntimeException(e);

src/com/hellogithub/service/commentService.java

@@ -59,11 +59,11 @@ public class commentService {
         List<commentEntity> commentEntityList=new ArrayList<>();
         if(trait.equals("last"))
         {
-            commentEntityList = commentDao.selectByTrait(id,"creatTime");
+            commentEntityList = commentDao.selectByCreatTime(id);
         }
         if(trait.equals("hot"))
         {
-            commentEntityList = commentDao.selectByTrait(id,"likeNum");
+            commentEntityList = commentDao.selectBylikeNum(id);
         }
         for(int i=0;i<commentEntityList.size();i++)
         {