oracle pl/sql异常处理

DECLARE

colse_result varchar2(100);

BEGIN

utl_http.set_wallet ('密钥地址', '密码');

select utl_http.request('请求url') INTO colse_result from dual;

EXCEPTION

WHEN OTHERS THEN

DBMS_OUTPUT.PUT_LINE('An error has occurred');

DBMS_OUTPUT.PUT_LINE(colse_result);

END;