Oracle存储过程 使用游标、数组的配合查询

public string  GetValidate（）{

OracleConnection conn = ConnectOra();
string  retRepMphm;
try
{
conn.open();
OracleComandType cmd=conn.CreateCommand();
cmd.CommandType=Commandype.StoredProcedure；
cmd.CommandText=""sp_querybzdm;
OracleParameter[] parameters =new OracleParameter[4];
parameters[0]=new OracleParameter("mplxs",OracleType.VarChar);
parameters[1]=new OracleParameter("bzdms",OracleType.VarChar);
parameters[2]=new OracleParameter("mphms",OracleType.VarChar);
parameters[3]=new OracleParameter("remphm",OracleType.VarChar,2000);

parameters[0].Value="大门牌";
parameters[1].Value="吕岭路";
parameters[2].Value="1号";
parameters[3].Value=ParameterDirection.Output;

foreach(OraclePrameter parameter in parameters)
cmd.Parameters.Add(parameter);
}
cmd.ExecuteNonQuery();
retRepMphm=parameters[3].value==null?"":parameters[3].Value.Tostring();
catch(Exception){}
throw ex;
}
finaly{

conn.close();
}

create or replace proceduce sp_querybzdm
(
mplxs in varchar2;----定义变量
bzdm  in varchar2;
mphms in varchar2;
remphm out varchar2 ---输出变量
)   is
countnum  number;

--游标
cursor  curmas is
select regexp_substr(mphms ,'[^,]+',1,level) as we
from dual
connect by level<=length(mphms )-length(replace(mphms,','))+1

begin
for row_ma  in curmas loop
begin
select count(*) into countnum from YW_LMP_QD where BZHM=row_mas.we ;
if(count(*)<>0)  then
if str_result  is not null then
str_result:=str_result||','|| row_ma.we
else
str_result:=row_ma.we
end if;
end if;
end
end loop;
if    str_result is not null  then
remphm:=rtrim(str_result,',');
end if
end