resultset_datasetemployeelistener.java

来自「dorado 展现中间件是一款企业级的商用AJAX平台软件」· Java 代码 · 共 36 行

package sample.skills.data;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;

import com.bstek.dorado.common.Transaction;
import com.bstek.dorado.common.TransactionManager;
import com.bstek.dorado.data.AbstractDatasetListener;
import com.bstek.dorado.data.Dataset;
import com.bstek.dorado.data.db.DBDataset;

/**
 * ResultSet_dataset1Listener
 */
public class ResultSet_datasetEmployeeListener
    extends AbstractDatasetListener {
  public boolean beforeLoadData(Dataset dataset)
      throws Exception {
    Transaction tx = TransactionManager.getTransaction();
    Connection connection = tx.getConnection(null); // 获取我们在setting.xml中配置的默认连接
    try {
      Statement st = connection.createStatement();
      ResultSet rs = st.executeQuery("SELECT * FROM employee");
      ( (DBDataset)dataset).load(rs);
      rs.close();
      st.close();
    }
    finally {
      connection.close();
    }
    return false; // 终止Dataset默认的加载数据操作
  }

}