不需要使用遊標循環來讀取，直接select * into @變量就OK了，還可以傳遞參數來執行。
1MySql通用分頁存儲過程
2
3過程參數
4p_cloumns varchar(500),p_tables varchar(100),p_where varchar(4000),p_order varchar(100),p_pageindex int,p_pagesize int,out p_recordcount int,out p_pagecount int
5
6$$:begin
7 declare v_sqlcounts varchar(4000);
8 declare v_sqlselect varchar(4000);
9 #拼接查詢總記錄的SQL語句
10 set v_sqlcounts = concat('select count(*) into @recordcount from ',p_tables,p_where);
11 #select v_sqlcounts;leave $$;
12 set @sqlcounts = v_sqlcounts;
13 prepare stmt from @sqlcounts;
14 execute stmt;
15 deallocate prepare stmt;
16 #獲取動態SQL語句返回值
17 set p_recordcount = @recordcount;
18 #根據總記錄跳數計算出總頁數
19 set p_pagecount = ceiling((p_recordcount+0.0)/p_pagesize);
20 if p_pageindex <1 then
21 set p_pageindex = 1;
22 elseif p_pageindex > p_pagecount and p_pagecount <> 0 then
23 set p_pageindex = p_pagecount;
24 end if;
25 #拼接分頁查詢記錄的動態SQL語句
26 set v_sqlselect = concat('select ',p_cloumns,' from ',p_tables,p_where,if(p_order is not null,p_order,''),' limit ',(p_pageindex-1)*p_pagesize,' , ',p_pagesize);
27 #select v_sqlselect;leave $$;
28 set @sqlselect = v_sqlselect;
29 prepare stmtselect from @sqlselect;
30 execute stmtselect;
31 deallocate prepare stmtselect;
32end $$
Sql代碼
#拼接查詢總記錄的SQL語句
set v_sqlcounts = concat('select count(*) into @recordcount from ',v_tables,v_where);
set @sqlcounts := v_sqlcounts;
#預處理動態SQL
prepare stmt from @sqlcounts;
#傳遞動態SQL內參數
set @s1= categoryid;
execute stmt using @s1;
deallocate prepare stmt;
#獲取動態SQL語句返回值
set recordcount = @recordcount;
#拼接查詢總記錄的SQL語句 set v_sqlcounts = concat('select count(*) into @recordcount from ',v_tables,v_where); set @sqlcounts := v_sqlcounts; #預處理動態SQL prepare stmt from @sqlcounts; #傳遞動態SQL內參數 set @s1= categoryid; execute stmt using @s1; deallocate prepare stmt; #獲取動態SQL語句返回值 set recordcount = @recordcount;
引用：http://apps.hi.baidu.com/share/detail/5447167
例子：
傳入表明和參數及列明拼成sql執行：
DELIMITER $$
CREATE PROCEDURE set_col_value
(in_table VARCHAR(128),in_column VARCHAR(128),in_new_value VARCHAR(1000),in_where VARCHAR(4000))
begin
DECLARE l_sql VARCHAR(4000);
SET l_sql=CONCAT('',' UPDATE ',in_table,' SET ',in_column,'=',in_new_value,' WHERE ',in_where);
SET @sql=l_sql;
PREPARE s1 FROM @sql;
EXECUTE s1;
DEALLOCATE PREPARE s1;
end$$
DELIMITER ;