query.java

来自「java网站源代码,有数据库的操作代码,业务逻辑代码等内容」· Java 代码 · 共 35 行

package com.itsv.gankao.common;
import java.sql.*;

public abstract class Query {

  protected ResultSet result_ = null;
  protected Statement statement_ = null;

  public Query() {
  }

  public boolean next()
      throws java.sql.SQLException {
      if (result_ == null){
          return false;
      } else{
          return result_.next();
      }
  }

  public void close()
      throws java.sql.SQLException {

      if (result_ != null){
          result_.close();
          result_ = null;
      }

      if (statement_ != null){
          statement_.close();
          statement_ = null;
      }
  }

}