问题如题,jsp初学者遇到这个问题,检查了好几遍不知道怎么解决,求大神帮忙!!!代码如下:try{
conn = JDBC_Connection.getConnection();
System.out.println("历史数据查询数据库连接成功!");
pstmt = conn.prepareStatement(sql);

pstmt.setString(1,qxvo.getData1());
pstmt.setString(2,qxvo.getData2());
pstmt.setInt(3,qxvo.getiId_Station());
System.out.println(qxvo.getData1()+qxvo.getData2()+qxvo.getiId_Station());

rs = pstmt.executeQuery();
System.out.println("ss"+qxvo.getiId_Station());
while(rs.next()){
qxvo. setfTemperature(rs.getFloat("fTemperature"));
qxvo.setfHumidity(rs.getFloat("fHumidity"));
qxvo.setcWindDirection(rs.getString("cWindDirection"));
qxvo.setfWindSpeed(rs.getFloat("fWindSpeed"));
qxvo.setfAirPressure(rs.getFloat("fAirPressure"));
qxvo.setfRainfall(rs.getFloat("fRainfall"));

list.add(qxvo);

}

}catch(Exception e){
System.out.println(e);