使用spring存储过程调用oracle存储过程

Question

我一直在尝试获取一段代码，它使用带有参数的 spring 和 oracle 存储过程，但发现它很难运行。指定的存储过程预期需要三个参数，但在出现错误时它需要四个参数。第四个参数是要返回的游标。

这是我的 Oracle(9i) 包规范：

CREATE OR REPLACE PACKAGE  pkg_data_load AS
procedure sp_atm_withdrawal(p_catermid IN VARCHAR2,
p_start_date IN VARCHAR2,p_end_date IN VARCHAR2,p_out out sys_refcursor);
END;

下面是包体：

CREATE OR REPLACE PACKAGE BODY pkg_data_load
AS  
procedure sp_atm_withdrawal
(
p_catermid IN VARCHAR2,
p_start_date IN VARCHAR2,
p_end_date IN VARCHAR2,
p_out out sys_refcursor 
) as
v_start_date date := to_date(p_start_date,'yyyy/mm/dd');
v_end_date date := to_date(p_end_date,'yyyy/mm/dd');
begin
open p_out for select 
b.nam_branch BRANCH_NAME
, a.bcode brn_Code
, a.acct_no Acct_no
from table a, table b where b.cod_Cc_brn= a.cod_org_brn 
and a.cod_reply=0 
and b.flg_mnt_status='A' 
and a.cod_proc not in ( 312000, 382000, 311000, 381000) 
and a.cod_txn_literal<>'SCD' 
and a.ca_term_id in (
select ca_term_id from tablec where flg_mnt_status='A')
and a.dat_post_stl between v_start_date and  v_end_date
and a.ca_term_id = p_catermid;
end sp_atm_withdrawal;
END pkg_data_load;

这是我的过程类的 sn-p

public class AtmStoredProcedures extends StoredProcedure {
public AtmStoredProcedures(JdbcTemplate jdbcTemplate, String procedure)
{
super(jdbcTemplate,procedure);
AtmRowMapper rowMapper = new AtmRowMapper();
declareParameter(new SqlOutParameter("sys_refcursor",OracleTypes.CURSOR, rowMapper));
declareParameter(new SqlParameter("branch", Types.VARCHAR));
declareParameter(new SqlParameter("startDate", Types.VARCHAR));
declareParameter(new SqlParameter("endDate", Types.VARCHAR));
compile();
}
public Map getCashWithdrawals(String branch, String startDate, String endDate)
{
Map inParam = new HashMap();
inParam.put("branch", branch);
inParam.put("startDate", startDate);
inParam.put("endDate", endDate);
Map out = execute(inParam); // Call on parent class
return out;
}
}

下面是我的DAO实现方法

public List<Atm> loadWithdrawal(String branch, String startDate, String endDate) {
if (this.jdbcTemplate == null) {
System.out.print("JDBC TEMPLATE IS NULL");
}
List<Atm> withdrawals = null;
try
{
AtmStoredProcedures st = new  AtmStoredProcedures(jdbcTemplate,"pkg_data_load.sp_atm_withdrawal");
Map results = st.getCashWithdrawals(branch, startDate, endDate);
withdrawals = (List<Atm>) results.get("sys_refcursor");
} catch (DataAccessException ex) {
System.out.print(ex.getMessage());
}
return withdrawals;
}

编译成功后，运行时出现以下错误

CallableStatementCallback; bad SQL grammar 
[{call pkg_data_load.sp_atm_withdrawal(?, ?, ?, ?)}]; 
nested exception is java.sql.SQLException: 
ORA-06550: line 1, column 7: PLS-00306: wrong number or 
types of arguments in call to 'SP_ATM_WITHDRAWAL'ORA-06550: 
line 1, column 7: PLS-00306: wrong number or types of arguments 
in call to 'SP_ATM_WITHDRAWAL'
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored

Answer 1

您对 declareParameter() 的调用必须与 Oracle 存储过程的顺序相同。试试这个：

declareParameter(new SqlParameter("branch", Types.VARCHAR)); 
declareParameter(new SqlParameter("startDate", Types.VARCHAR)); 
declareParameter(new SqlParameter("endDate", Types.VARCHAR)); 
declareParameter(new SqlOutParameter("sys_refcursor",OracleTypes.CURSOR, rowMapper)); 

Answer 2

为数据源配置创建一个 bean：

                <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
                <property name="locations"><list>
                <value>classpath:datasource.properties</value>          
                </list> 
                </property>
                <property name="ignoreResourceNotFound" value="true" />
                <property name="ignoreUnresolvablePlaceholders" value="true" />
                </bean>

                    <bean id="defaultDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
                        <property name="driverClassName" value="${jdbc.driverClassName}"/>
                        <property name="url" value="${jdbc.url}"/>
                        <property name="username" value="${jdbc.username}"/>
                        <property name="password" value="${jdbc.password}"/>
                        <property name="accessToUnderlyingConnectionAllowed" value="true"/>
                    </bean>

创建一个引用你注入数据源的 dao (applicationContext.xml)：

            <bean id="testDao" class="com.test.dao.testDao">
            <property name="dataSource" ref="dataSource" />
            </bean>

然后创建一个类，用于将 Oracle Array 转换为 java List

    public class OracleLists implements SqlReturnType {
    public Object getTypeValue(CallableStatement cs, int paramIndex,int sqlType, String typeName) throws SQLException {    
    Object[] structs = (Object[]) ((ARRAY)cs.getObject(paramIndex)).getArray(); 
    List<String> po_list = new ArrayList<String>();
            for(int i=0;i<structs.length ;i++){
                po_list.add(String.valueOf(structs[i]));
            }
           return po_list;
        }
    } 

然后创建TestDao来调用procedure::

public class TestDao  {
private SimpleJdbcCall simpleJdbcCall;
public void setSimpleJdbcCall(SimpleJdbcCall simpleJdbcCall;) {
        this.simpleJdbcCall = simpleJdbcCall;
    }

public List<String> getTestParameter(Object object) {

MapSqlParameterSource in = new MapSqlParameterSource();
        in.addValue("IN_PARAM1", object.getInParam1);

        in.addValue("OUT_PARAM1", null,OracleTypes.ARRAY, object.getOutParam1);

Map<String, Object> result = simpleJdbcCall.execute(in);
        List<String> stringList = (List<String>) result.get("OUT_PARAM1");
        return stringList ;
    }


simpleJdbcCall= new SimpleJdbcCall(dataSource)
                .withSchemaName("TESTSCHEMA")
                .withCatalogName("TESTPACKAGE")
                .withProcedureName("TESTPROC")
                .declareParameters(
                        new SqlParameter("IN_PARAM",
                                OracleTypes.VARCHAR,
                                "IN_PARAM"),

                        new SqlInOutParameter(
                                "OUT_PARAM1",
                                OracleTypes.ARRAY,
                                TestOracleType,
                                new OracleLists()),

);
}