resultrow.java

一个利用javabeanjsp产生联动分布的源代码

//Source file: C:\\Rose2Java\\zhsoft\\dbcon\\ResultRow.java

package zhsoft.dbcon;

import java.util.Hashtable;

/**
 * 结果行
 *
 * @author 雨亦奇([e-mail])
 * @version 1.0
 * @since 2003.05.18
 */
public class ResultRow extends Hashtable
{

   /**
    * @roseuid 3ED868800369
    */
   public ResultRow()
   {

   }

   /**
    * 根据字段名取其值
    *
    * @param columnName
    *  - 字段名
    * @return String
    * @throws java.lang.Exception
    * @roseuid 3ED75EE9008B
    */
   public String getValue(String columnName) throws Exception
   {
        if (columnName == null || columnName.equals("")) {
            throw new Exception("字段名不能为空");
        }
        Object o = this.get(columnName);
        if (o == null) {
            throw new Exception("无此字段名: " + columnName);
        }
        return (String) o;
   }
}