USE GISDB_SZTEMP
/*
    分页数据查询通用存储过程
*/
GO
CREATE PROCEDURE [dbo].[PAGINATION]

@FEILDS  VARCHAR(1000),--要显示的数据字段，*表示所有字段
@TABLE_NAME VARCHAR(100),--要查询的数据表名称
@PAGE_INDEX INT,--当前页码
@PAGE_SIZE INT,--页面大小
@ORDERTYPE BIT,--当为0时 则为 desc 当为1 时 asc
@ANDWHERE VARCHAR(1000)='',--where语句 不用加where
@ORDERFEILD VARCHAR(100) --排序的字段
as
DECLARE @EXECSQL VARCHAR(2000)
DECLARE @ORDERSTR VARCHAR(100)
DECLARE @ORDERBY VARCHAR(100)
BEGIN
    set NOCOUNT on
    IF @ORDERTYPE =1 
        BEGIN
            SET @ORDERSTR =' > ( SELECT MAX(['+@ORDERFEILD+'])'
            SET @ORDERBY ='ORDER BY '+@ORDERFEILD+' ASC'
        END
    ELSE 
        BEGIN
            SET @ORDERSTR =' < ( SELECT MIN(['+@ORDERFEILD+'])'
            SET @ORDERBY ='ORDER BY '+@ORDERFEILD+' DESC'
        END

    IF @PAGE_INDEX =1--当页码是第一页时直接运行，提高速度
        BEGIN
            IF @ANDWHERE=''
                SET @EXECSQL ='SELECT TOP '+STR(@PAGE_SIZE)+''+@FEILDS+' FROM '+ @TABLE_NAME +' '+ @ORDERBY
            ELSE
                SET @EXECSQL ='SELECT TOP '+STR(@PAGE_SIZE)+''+@FEILDS+' FROM '+ @TABLE_NAME +' WHERE '+@ANDWHERE+''+ @ORDERBY
        END
    ELSE
        BEGIN
            IF @ANDWHERE=''
                BEGIN      --以子查询结果当做新表时 要给表名别名才能用
                    SET @EXECSQL ='SELECT TOP'+STR(@PAGE_SIZE)+''+@FEILDS+' FROM '+ @TABLE_NAME +' WHERE '+@ORDERFEILD+
                                @ORDERSTR+' FROM (SELECT TOP '+STR(@PAGE_SIZE*(@PAGE_INDEX-1))+''+@ORDERFEILD+
                                ' FROM '+ @TABLE_NAME +' '+@ORDERBY+') AS TEMP) '+ @ORDERBY
                END
            ELSE
                BEGIN
                    SET @EXECSQL ='SELECT TOP'+STR(@PAGE_SIZE)+''+@FEILDS+' FROM '+ @TABLE_NAME +' WHERE '+@ORDERFEILD+
                                @ORDERSTR+' FROM (SELECT TOP '+ STR(@PAGE_SIZE*(@PAGE_INDEX-1))+''+@ORDERFEILD+
                                ' FROM '+ @TABLE_NAME +' WHERE '+@ANDWHERE+''+@ORDERBY+') AS TEMP) AND '+@ANDWHERE+''+ @ORDERBY
                END
        END
EXEC (@EXECSQL)--这里要加括号
END