Oracle存储过程使用游标、数组的配合查询

查询输入的门牌号码是否在标准门牌库中存在。存在则返回相应的号码。

 1 public string  GetValidate（）{
 2 
 3 OracleConnection conn = ConnectOra();
 4 string  retRepMphm;
 5 try
 6 {
 7  conn.open();
 8  OracleComandType cmd=conn.CreateCommand();
 9  cmd.CommandType=Commandype.StoredProcedure；
10  cmd.CommandText=""sp_querybzdm;
11  OracleParameter[] parameters =new OracleParameter[4];
12  parameters[0]=new OracleParameter("mplxs",OracleType.VarChar);
13  parameters[1]=new OracleParameter("bzdms",OracleType.VarChar);
14  parameters[2]=new OracleParameter("mphms",OracleType.VarChar);
15  parameters[3]=new OracleParameter("remphm",OracleType.VarChar,2000);
16 
17  parameters[0].Value="大门牌";
18  parameters[1].Value="吕岭路";
19  parameters[2].Value="1号";
20  parameters[3].Value=ParameterDirection.Output;
21 
22 foreach(OraclePrameter parameter in parameters) 
23   cmd.Parameters.Add(parameter);
24 }
25  cmd.ExecuteNonQuery();
26  retRepMphm=parameters[3].value==null?"":parameters[3].Value.Tostring();
27 catch(Exception){}
28  throw ex;
29 }
30 finaly{
31 
32 conn.close();
33 }
34 
35 create or replace proceduce sp_querybzdm
36 (
37        mplxs in varchar2;----定义变量
38        bzdm  in varchar2;
39        mphms in varchar2;
40        remphm out varchar2 ---输出变量
41 )   is
42 countnum  number;
43 
44 --游标
45 cursor  curmas is 
46                select regexp_substr(mphms ,'[^,]+',1,level) as we
47                from dual
48                connect by level<=length(mphms )-length(replace(mphms,','))+1
49 
50 begin 
51      for row_ma  in curmas loop
52        begin
53          select count(*) into countnum from YW_LMP_QD where BZHM=row_mas.we ;
54          if(count(*)<>0)  then
55            if str_result  is not null then
56               str_result:=str_result||','|| row_ma.we
57            else 
58               str_result:=row_ma.we
59            end if;
60         end if;
61        end 
62      end loop;
63      if    str_result is not null  then
64       remphm:=rtrim(str_result,',');
65      end if 
66 end