1.脚本开始的地方加上
<%
response.setHeader("progma","no-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires",0);
%>
<%
response.setHeader("progma","no-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires",0);
%>
resultSetType - a result set type; one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
resultSetConcurrency - a concurrency type; one of ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
Returns:
a new Statement object that will generate ResultSet objects with the given type and concurrency