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; }
}
}