【Oracle】oracle-function练习

idata

1. /*
   
2. *scm_iss.test_imti_fun2
   
3. *带有输入参数的Function
   
4. */
   
5. CREATE OR REPLACE FUNCTION TEST_IMTI_FUN2(P_NO IN NUMBER) RETURN VARCHAR2 IS
   
6.   P_IMTI_NAME VARCHAR2(200);
   
7.   P_IMTI_DESC VARCHAR2(200);
   
8.   P_RETURN    VARCHAR2(200);
   
9. BEGIN
   
10.   --SELECT I.IMTI_NAME INTO P_IMTI_NAME FROM SCM_ISS.T_IMTI_TEST I WHERE I.IMTI_NO = P_NO;
    
11. 
    
12.   SELECT I.IMTI_DESC, I.IMTI_NAME
    
13.     INTO P_IMTI_DESC, P_IMTI_NAME
    
14.     FROM SCM_ISS.T_IMTI_TEST I
    
15.    WHERE I.IMTI_NO = P_NO;
    
16.   --P_IMTI_DESC := P_IMTI_NAME;
    
17.   P_RETURN := P_IMTI_NAME || ':' || P_IMTI_DESC;
    
18.   RETURN P_RETURN;
    
19. EXCEPTION
    
20.   WHEN OTHERS THEN
    
21.     DBMS_OUTPUT.PUT_LINE('EXCEPTION:'||SQLERRM);
    
22. END TEST_IMTI_FUN2;
    
23. 
    
24. /*
    
25. *scm_iss.test_imti_fun3
    
26. *带有输入输出参数的Function
    
27. */
    
28. 
    
29. CREATE OR REPLACE FUNCTION TEST_IMTI_FUN3(P_NO IN NUMBER ,P_NAME OUT VARCHAR2) RETURN VARCHAR2 IS
    
30. 
    
31. BEGIN
    
32. --调用输入输出参数的存储过程
    
33. SCM_ISS.TEST_IMTI_PRO3(P_NO,P_NAME);
    
34. 
    
35. RETURN P_NAME;
    
36. END;
    
37. 
    
38. --测试调用
    
39. DECLARE
    
40. A VARCHAR2(200); --接受输出参数
    
41. B VARCHAR2(200);
    
42. 
    
43. BEGIN
    
44.   B := scm_iss.TEST_IMTI_FUN3(1005,A);
    
45.   dbms_output.put_line( 'B 值:' || B );
    
46.    
    
47.   dbms_output.put_line( 'A 值:' || A);
    
48.    
    
49. END;

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