jdbc 批量添加 batch

/*

*应用在需要一次插入多行，表示两个对象的关联

*/

//修改或删除

public void saveRoleConfig(final Role role , final List<Integer> fdIds){
  if(fdIds==null){
   String sql_;
   if(role.getOid()>0){
    sql_="update C_SYS_ROLE set ROLE_NAME='"+role.getName()+
     "',ROLE_DESC='"+role.getDesc()+"',ROLE_TYPE="+role.getType()+",STATUS="+role.getStatus()+" where Oid="+role.getOid();
   }
   else {
    sql_="insert into C_SYS_ROLE r (r.Oid,r.ROLE_NAME,r.ROLE_DESC,r.ROLE_TYPE,r.STATUS)" +
    " values (func_sequence.nextval,'"+role.getName()+"','"+role.getDesc()+"',"+role.getType()+","+role.getStatus()+")";
   }
   this.execute(sql_);
   return;
  }
  StringBuffer sb = new StringBuffer();
  if(role.getOid()>0){
   sb.append("update C_SYS_ROLE r");
   sb.append(" set r.ROLE_NAME=?,r.ROLE_DESC=?,");
   sb.append(" r.ROLE_TYPE=?,");
   sb.append(" r.STATUS=?");
   sb.append(" where r.OID="+role.getOid());
  }
  else{
   sb.append("insert into C_SYS_ROLE r");
   sb.append("(r.Oid,");
   sb.append(" r.ROLE_NAME,r.ROLE_DESC,");
   sb.append(" r.ROLE_TYPE,");
   sb.append(" r.STATUS)");
   sb.append(" values (");
   sb.append("func_sequence.nextval,");
   sb.append("?,?,?,?)");
  }
  final String sqll = sb.toString();
  //this.update(sqll, new Object[]{role.getName(),role.getDesc(),role.getType(),role.getStatus()});
  
  if(role.getOid()>0){
   getJdbcTemplate().update(new PreparedStatementCreator() {
    public PreparedStatement createPreparedStatement(Connection conn)
      throws SQLException {
     int i = 0;
 
     java.sql.PreparedStatement ps = conn.prepareStatement(sqll,new String[] {"oid"});
     ps.setString(++i, role.getName());
     ps.setString(++i, role.getDesc());
     ps.setInt(++i, role.getType());
     ps.setInt(++i, role.getStatus()); 
     return ps;
    }
   });
   String sql = "insert into C_SYS_ROLE_FUNC_MAP(ROLE_OID,FUNC_OID) values(?,?)";
   this.batchUpdate(sql, new FuncBatchPreparedStatementSetter(role.getOid(), fdIds)); 
  }
  else{
   KeyHolder keyHolder = new GeneratedKeyHolder();
   getJdbcTemplate().update(new PreparedStatementCreator() {
    public PreparedStatement createPreparedStatement(Connection conn)
      throws SQLException {
     int i = 0;
 
     java.sql.PreparedStatement ps = conn.prepareStatement(sqll,new String[] {"oid"});
     ps.setString(++i, role.getName());
     ps.setString(++i, role.getDesc());
     ps.setInt(++i, role.getType());
     ps.setInt(++i, role.getStatus());
     return ps;
    }
   }, keyHolder);
 
   String sql = "insert into C_SYS_ROLE_FUNC_MAP(ROLE_OID,FUNC_OID) values(?,?)";
   this.batchUpdate(sql, new FuncBatchPreparedStatementSetter(keyHolder.getKey().longValue(), fdIds)); 
  }
  
 }

 

//批量添加

private class FuncBatchPreparedStatementSetter implements
   BatchPreparedStatementSetter {
  final List<Integer> temList;
  final long wSetId;

  
  public FuncBatchPreparedStatementSetter(long roleId,
    List<Integer> list) {
   temList = list;
   wSetId = roleId;
  }

  public int getBatchSize() {
   return temList.size();
  }

  public void setValues(PreparedStatement ps, int i) throws SQLException {
   ps.setLong(1, wSetId);
   ps.setLong(2, temList.get(i).longValue());
  }
 }