oracle中导出excel
oracle中导出excel
create or replace directory MY_DIR
as 'c:/abc';
create or replace procedure export_data_out_excel
/**
使用utl_file将需要导出的数据写入到文本文件
pfile_name:输出文件名。
pexport_sql:执行的sql语句,select id||chr(9),name||chr(9) from tablename,chr(9)是TAB字符,以保证数据输出到excel能自动换到下一列。
**/
as
type som_content_record_type is record(
car_num varchar2(250),
cap_date varchar2(250),
dev_chnname varchar2(250),
dev_chnid varchar2(250));
som_content_rec som_content_record_type;
err_num number;
err_msg varchar2(2000);
type cur_som_content is ref cursor;
c_som_content cur_som_content;
l_file utl_file.file_type;
begin
l_file := utl_file.fopen('MY_DIR',to_char (sysdate-1, 'YYYY-mm-dd')|| '.xls', 'w');
utl_file.put(l_file, '车牌号'||chr(9));
utl_file.put(l_file, '抓拍时间'||chr(9));
utl_file.put(l_file, '通道名称'||chr(9));
utl_file.put_line(l_file, '通道编号'||chr(9));
open c_som_content for 'select car_num||chr(9),to_char (cap_date, ''YYYY-mm-dd'')||chr(9),dev_chnname||chr(9),dev_chnid ||chr(9) from c_table t where t.cap_date >= to_date(to_char(sysdate, ''YYYY-mm-dd''), ''YYYY-mm-dd'') - 1 and t.cap_date <= to_date(to_char(sysdate,''YYYY-mm-dd''),''YYYY-mm-dd'')';
loop
fetch c_som_content
into som_content_rec.car_num, som_content_rec.cap_date,som_content_rec.dev_chnname,som_content_rec.dev_chnid;
exit when c_som_content%notfound;
utl_file.put(l_file, som_content_rec.car_num);
utl_file.put(l_file, som_content_rec.cap_date);
utl_file.put(l_file, som_content_rec.dev_chnname);
utl_file.put_line(l_file, som_content_rec.dev_chnid);
end loop;
close c_som_content;
utl_file.fflush(l_file);
utl_file.fclose(l_file);
exception
when others then
if utl_file.is_open(l_file) then
utl_file.fclose(l_file);
err_num := sqlcode;
err_msg := substr(sqlerrm, 1, 2000);
commit;
end if;
end;
如果写:frw:=utl_file.fopen('c:\abc','emp.txt','w');
会报错
ora-29280 目录无效
改成
frw:=utl_file.fopen('MY_DIR','emp.txt','w');