oracle分页存储过程

oracle分页存储过程: 

CREATE OR REPLACE PROCEDURE FGK.prc_page

       (p_tableName        in  varchar2,   --表名

        p_strWhere         in  varchar2,   --查询条件

        p_orderColumn      in  varchar2,   --排序的列

        p_orderStyle       in  varchar2,   --排序方式

        p_curPage          in out Number,  --当前页

        p_pageSize         in out Number,  --每页显示记录条数

        p_totalRecords     out Number,     --总记录数

        p_totalPages       out Number,     --总页数

        v_cur              out pkg_page.cur_page)   --返回的结果集

IS

   v_sql VARCHAR2(3000) := '';      --sql语句

   v_startRecord Number(4);         --开始显示的记录条数

   v_endRecord Number(4);           --结束显示的记录条数

BEGIN

   --记录中总记录条数

   v_sql := 'SELECT TO_NUMBER(COUNT(*)) FROM ' || p_tableName || ' WHERE 1=1';

   IF p_strWhere IS NOT NULL or p_strWhere <> '' THEN

       v_sql := v_sql || p_strWhere;

   END IF;

   EXECUTE IMMEDIATE v_sql INTO p_totalRecords;

   

   --验证页面记录大小

   IF p_pageSize < 0 THEN

       p_pageSize := 0;

   END IF;

   

   --根据页大小计算总页数

   IF MOD(p_totalRecords,p_pageSize) = 0 THEN

       p_totalPages := p_totalRecords / p_pageSize;

   ELSE

       p_totalPages := p_totalRecords / p_pageSize + 1;

   END IF;

   

   --验证页号

   IF p_curPage < 1 THEN

       p_curPage := 1;

   END IF;

   IF p_curPage > p_totalPages THEN

       p_curPage := p_totalPages;

   END IF;

   

   --实现分页查询

   v_startRecord := (p_curPage - 1) * p_pageSize + 1;

   v_endRecord := p_curPage * p_pageSize;

   v_sql := 'SELECT * FROM (SELECT A.*, rownum r FROM ' ||

            '(SELECT * FROM ' || p_tableName;

   IF p_strWhere IS NOT NULL or p_strWhere <> '' THEN

       v_sql := v_sql || ' WHERE 1=1' || p_strWhere;

   END IF;

   IF p_orderColumn IS NOT NULL or p_orderColumn <> '' THEN

       v_sql := v_sql || ' ORDER BY ' || p_orderColumn || ' ' || p_orderStyle;

   END IF;

   v_sql := v_sql || ') A WHERE rownum <= ' || v_endRecord || ') B WHERE r >= '

            || v_startRecord;

   DBMS_OUTPUT.put_line(v_sql);

   OPEN v_cur FOR v_sql;

END prc_page;

/

Model层代码:



 public class PageInfo

    {



        // 定义

        private string p_tableName;  //-表名

        private string p_strWhere;    //  --查询条件

        private string p_orderColumn; //  --排序的列

        private string p_orderStyle;  // --排序方式

        private int p_curPage;       //--当前页

        private int p_pageSize;      // --每页显示记录条数

        private int p_totalRecords;   // --总记录数

        private int p_totalPages;     // --总页数



        /// <summary>

        /// 定义函数

        /// </summary>

        public PageInfo() { }



        /// <summary>

        /// 

        /// </summary>

        /// <param name="fgmasterid"></param>

        /// <param name="fgmastertile"></param>

        public PageInfo(string p_tableName, string p_strWhere, string p_orderColumn, string p_orderStyle, int p_curPage, int p_pageSize, int p_totalRecords, int p_totalPages)

        {

            this.p_tableName = p_tableName;

            this.p_strWhere = p_strWhere;

            this.p_orderColumn = p_orderColumn;

            this.p_orderStyle = p_orderStyle;

            this.p_curPage = p_curPage;

            this.p_pageSize = p_pageSize;

            this.p_totalRecords = p_totalRecords;

            this.p_totalPages = p_totalPages;



        }



        /// <summary>

        /// 查询的表名

        /// </summary>

        public string P_tableName

        {

            get { return p_tableName; }

            set { p_tableName = value; }

        }

        /// <summary>

        /// 查询条件

        /// </summary>

        public string P_strWhere

        {

            get { return p_strWhere; }

            set { p_strWhere = value; }

        }

        /// <summary>

        /// 排序的列

        /// </summary>

        public string P_orderColumn

        {

            get { return p_orderColumn; }

            set { p_orderColumn = value; }

        }

        /// <summary>

        /// 排序方式

        /// </summary>

        public string P_orderStyle

        {

            get { return p_orderStyle; }

            set { p_orderStyle = value; }

        }

        /// <summary>

        /// 当前页

        /// </summary>

        public int P_curPage

        {

            get { return p_curPage; }

            set { p_curPage = value; }

        }

        /// <summary>

        /// 每页显示记录条数

        /// </summary>

        public int P_pageSize

        {

            get { return p_pageSize; }

            set { p_pageSize = value; }

        }

        /// <summary>

        /// 总记录数

        /// </summary>

        public int P_totalRecords

        {

            get { return p_totalRecords; }

            set { p_totalRecords = value; }

        }

        /// <summary>

        /// 总页数

        /// </summary>

        public int P_totalPages

        {

            get { return p_totalPages; }

            set { p_totalPages = value; }

        }

    }