Context initContext=new InitialContext();
DataSource ds=(DataSource)initContext.lookup("java:/comp/env/jdbc/oraclezry");
QueryRunner qr=new QueryRunner(ds);
String sql="select * from guestbook order by desc";
MapListHandler handler = new MapListHandler();
List list = (List) qr.query(sql, handler);
for (int i = 0; i < list.size(); i++) {
Map map = (Map)list.get(i);
}
out.println(map.get("id"));
报错:An error occurred at line: 18 in the jsp file: /getMessage.jsp
map cannot be resolved
DataSource ds=(DataSource)initContext.lookup("java:/comp/env/jdbc/oraclezry");
QueryRunner qr=new QueryRunner(ds);
String sql="select * from guestbook order by desc";
MapListHandler handler = new MapListHandler();
List list = (List) qr.query(sql, handler);
for (int i = 0; i < list.size(); i++) {
Map map = (Map)list.get(i);
}
out.println(map.get("id"));
报错:An error occurred at line: 18 in the jsp file: /getMessage.jsp
map cannot be resolved
解决方案 »
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