MySql通用分页存储过程

MySql通用分页存储过程

1MySql通用分页存储过程 2 3过程参数 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$$:begin 7    declare v_sqlcounts varchar(4000); 8    declare v_sqlselect varchar(4000); 9    #拼接查询总记录的SQL语句10    set v_sqlcounts = concat(‘select count(*) into @recordcount from ‘,p_tables,p_where);11    #select v_sqlcounts;leave $$;12    set @sqlcounts = v_sqlcounts;13    prepare stmt from @sqlcounts;14         execute stmt;15    deallocate prepare stmt;16    #获取动态SQL语句返回值17    set p_recordcount = @recordcount;18    #根据总记录跳数计算出总页数19    set p_pagecount = ceiling((p_recordcount+0.0)/p_pagesize);20    if p_pageindex <1 then21        set p_pageindex = 1;22    elseif p_pageindex > p_pagecount and p_pagecount <> 0 then23        set p_pageindex = p_pagecount;24    end if;25    #拼接分页查询记录的动态SQL语句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 $$;28    set @sqlselect = v_sqlselect;29    prepare stmtselect from @sqlselect;30    execute stmtselect;31    deallocate prepare stmtselect;32end $$