CREATE PROCEDURE T_WEATHER_PRO (IN tmdn VARCHAR(12),OUT tmsg VARCHAR(12))
BEGIN
DECLARE states,beginTime,endTime VARCHAR(2) ;
SELECT T_STATES,T_BEGINTIME,T_ENDTIME INTO states,beginTime,endTime FROM T_USER_WEATHER WHERE T_USER = tmdn LIMIT 1;
IF states = NULL THEN
INSERT INTO T_USER_WEATHER VALUES(NULL,tmdn,1,7,10);
SELECT T_STATES,T_BEGINTIME,T_ENDTIME INTO states,beginTime,endTime FROM T_USER_WEATHER WHERE T_USER = tmdn LIMIT 1;
SET tmsg = states;
ELSE
SET tmsg = states;
END IF;
END;
java调用
Connection conn = MyDataSource.getConnection();
try {
CallableStatement cstmt=conn.prepareCall(sql);
cstmt.setString(1, "0985023223");
cstmt.registerOutParameter(2, java.sql.Types.VARCHAR);
cstmt.executeUpdate();
String result=cstmt.getString(2);
System.out.println(result);
} catch (SQLException e) {
// TODO Auto-generated catch blockxQ
e.printStackTrace();
}
