private ResultSet rs=null;
ps=conn.prepareStatement(sql,ResultSet.TYPE_FORWARD_ONLY,ResultSet.CONCUR_READ_ONLY);
rs=ps.executeQuery();
ps.setFetchSize(200);//遊標 的方式
list=resultSetToList(rs);
public static List resultSetToList(ResultSet rs) throws java.sql.SQLException {
if (rs == null)
return Collections.EMPTY_LIST;
ResultSetMetaData md = rs.getMetaData(); //得到結果集(rs)的結構信息,比如字段數、字段名等
int columnCount = md.getColumnCount(); //返回此 ResultSet 對象中的列數
List list = new ArrayList();
Map rowData = new HashMap();
while (rs.next()) {
rowData = new HashMap(columnCount);
for (int i = 1; i <= columnCount; i++) {
rowData.put(md.getColumnName(i), rs.getObject(i));
}
list.add(rowData);
}
return list;
}