Connection conn = null; Statement stmt = null; ResultSet rs = null; try{ Class.forName("com.mysql.jdbc.Driver"); String dbNmae = "logall"+params.get("dbName"); String dbIp = ConfigUtil.pro.get("linkLogIp").toString(); String linkCloudSql = "jdbc:mysql://"+dbIp+"/"+dbNmae; String linkCloudUsername =ConfigUtil.pro.get("linkLogIpUsername").toString(); String linkCloudPassword =ConfigUtil.pro.get("linkLogIpPassword").toString(); conn = DriverManager .getConnection( linkCloudSql,linkCloudUsername, linkCloudPassword); stmt = conn.createStatement(); PreparedStatement ps=null; StringBuffer buffer = new StringBuffer("SELECT `id`,`idc`,`flag`,`cmdStartTime`,`json`,`cmdEndTime`,`retValue`,`crmId`,CASE WHEN `fName` = '' OR `fName` IS NULL THEN `idsid` ELSE `fName` END `fName`,`insertTime`,TIMESTAMPDIFF(FRAC_SECOND,cmdstarttime,cmdendtime ) AS duration FROM log_controlresult WHERE idc = ? and flag in ('BlueToothControl','carControlNew')"); if(params.get("ret") != null && StringUtils.isNoneEmpty(params.get("ret").toString())){ buffer.append("and retValue=?"); } buffer.append(" order by crmid desc"); buffer.append(" LIMIT "+params.get("startIndex")+","+params.get("pageSize")); ps=(PreparedStatement) conn.prepareStatement(buffer.toString()); ps.setString(1, params.get("idc").toString()); if(params.get("ret") != null && StringUtils.isNoneEmpty(params.get("ret").toString())){ ps.setString(2, params.get("ret").toString()); } log.info("控制历史sql:"+buffer.toString()); rs = ps.executeQuery(); while(rs.next()) { controlresult cresult = new controlresult(); cresult.setId(rs.getLong("id")); cresult.setIdc(rs.getString("idc")); cresult.setFlag(rs.getString("flag")); cresult.setCmdStartTime(rs.getTimestamp("cmdStartTime")); cresult.setJson(rs.getString("json")); cresult.setCmdEndTime(rs.getTimestamp("cmdEndTime")); cresult.setRetValue(rs.getString("retValue")); cresult.setCrmId(rs.getLong("crmId")); cresult.setfName(rs.getString("fName")); cresult.setInsertTime(rs.getTimestamp("insertTime")); cresult.setDuration(rs.getInt("duration")); cresult.setCmdName(GetSendTypeNameByJson(cresult.getJson())); resultList.add(cresult); } }