MySql 分頁儲存過程

CREATE PROCEDURE ProcPage(
in tableName varchar(20),#表名
in showField varchar(100),#要顯示的列名
in whereText varchar(500),#where條件(只需要寫where後面的語句)
in orderText varchar(500),#排序條件（只需要寫order by後面的語句）
in pageSize int,#每一頁顯示的記錄數
in pageIndex int,#當前頁
out dataCount int#總記錄數
)
BEGIN

if (pageSize<1)then
  set pageSize=20;
end if;

if (pageIndex < 1)then
  set pageIndex = 1;
end if;

if(LENGTH(whereText)>0)then
	set whereText=CONCAT(' where 1=1 ',whereText);
end if;

if(LENGTH(orderText)>0)then
	set orderText = CONCAT(' ORDER BY ',orderText);
end if;

set @strsql = CONCAT('select ',showField,' from ',tableName,' ',whereText,' ',orderText,' limit ',pageIndex*pageSize-pageSize,',',pageSize);

prepare stmtsql from @strsql;
execute stmtsql;
deallocate prepare stmtsql;

set @strsqlcount=concat('select count(1) as count into @datacount from ',tableName,'',whereText);
prepare stmtsqlcount from @strsqlcount;
execute stmtsqlcount;
deallocate prepare stmtsqlcount;
set 
 
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END;

MySql 迴圈使用