spring处理批量操作

public void addOtherSimDnBatch(final List dns, final int cityid,final int agentlId) {System.out.println("---------------------addOtherSimDnBatch-------------------------");        BatchPreparedStatementSetter setter=new BatchPreparedStatementSetter ()        {              public void setValues(PreparedStatement pstmt,int i)       throws SQLException{               String dn = (String)dns.get(i);               pstmt.setString(1,dn);   pstmt.setInt(2,cityid);   pstmt.setInt(3,agentlId);              }              public int getBatchSize(){                 return dns.size();              }        };        getJdbcTemplate().batchUpdate(new SQLProxy(INSERT_OTHERSIMDN_BATCH).sql(), setter);