得到分页列表的分页数据
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得到分页列表的分页数据：
public static TablePager getTablePager(Connection conn, int pageSize, int pageIndex, String selectClause, String fromClause, String whereClause, String groupClause, String havingClause, String orderClause) { TablePager table; ResultSet resultSet; CallableStatement callStatement; boolean isExtConn; table = new TablePager(null); if(pageSize <= 0) pageSize = 10; if(pageIndex <= 0) pageIndex = 0; table.pageSize = pageSize; table.pageIndex = pageIndex; table.pageCount = 0; table.queryRowCount = 0; table.maxKeyValue = 0; table.querySql = ""; table.keyField = ""; table.Name = fromClause; resultSet = null; callStatement = null; isExtConn = true; if(conn == null) { conn = Conn.Create(); isExtConn = false; } if(!SqlConf.DefClassForName.toLowerCase().equals("oracle.jdbc.driver.oracledriver")) break MISSING_BLOCK_LABEL_835; try { String sql = "{call SELECTDATA(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)}"; callStatement = conn.prepareCall(sql); callStatement.setInt(1, table.pageSize); callStatement.setInt(2, table.pageIndex); callStatement.setInt(3, table.pageCount); callStatement.setInt(4, table.queryRowCount); callStatement.setInt(5, table.maxKeyValue); callStatement.setString(6, table.querySql); callStatement.setString(7, table.keyField); callStatement.registerOutParameter(1, 4); callStatement.registerOutParameter(2, 4); callStatement.registerOutParameter(3, 4); callStatement.registerOutParameter(4, 4); callStatement.registerOutParameter(5, 4); callStatement.registerOutParameter(6, 12); callStatement.registerOutParameter(7, 12); if(StringUtils.isEmptyOrBlank(table.keyField)) callStatement.setNull(7, 0); else callStatement.setString(7, table.keyField); if(StringUtils.isEmptyOrBlank(selectClause)) callStatement.setNull(8, 0); else callStatement.setString(8, selectClause); if(StringUtils.isEmptyOrBlank(fromClause)) callStatement.setNull(9, 0); else callStatement.setString(9, fromClause); if(StringUtils.isEmptyOrBlank(whereClause)) callStatement.setNull(10, 0); else callStatement.setString(10, whereClause); if(StringUtils.isEmptyOrBlank(groupClause)) callStatement.setNull(11, 0); else callStatement.setString(11, groupClause); if(StringUtils.isEmptyOrBlank(havingClause)) callStatement.setNull(12, 0); else callStatement.setString(12, havingClause); if(StringUtils.isEmptyOrBlank(orderClause)) callStatement.setNull(13, 0); else callStatement.setString(13, orderClause); callStatement.setString(14, ""); callStatement.registerOutParameter(14, 12); callStatement.registerOutParameter(15, -10); callStatement.execute(); table.pageSize = Integer.parseInt(callStatement.getObject(1).toString()); table.pageIndex = Integer.parseInt(callStatement.getObject(2).toString()); table.pageCount = Integer.parseInt(callStatement.getObject(3).toString()); table.queryRowCount = Integer.parseInt(callStatement.getObject(4).toString()); table.maxKeyValue = Integer.parseInt(callStatement.getObject(5).toString()); table.querySql = callStatement.getObject(6).toString(); table.keyField = (String)callStatement.getObject(7); table.note = ""; resultSet = (ResultSet)callStatement.getObject(15); setResultSet(table, resultSet); break MISSING_BLOCK_LABEL_822; } catch(Exception e) { System.out.println((new StringBuilder("select:")).append(selectClause).toString()); System.out.println((new StringBuilder("from:")).append(fromClause).toString()); System.out.println((new StringBuilder("where:")).append(whereClause).toString()); table = null; Error.handler(e); } closeAll(resultSet, callStatement, conn, isExtConn); break MISSING_BLOCK_LABEL_2103; Exception exception; exception; closeAll(resultSet, callStatement, conn, isExtConn); throw exception; closeAll(resultSet, callStatement, conn, isExtConn); break MISSING_BLOCK_LABEL_2103; if(!SqlConf.DefClassForName.toLowerCase().equals("com.microsoft.sqlserver.jdbc.sqlserverdriver")) break MISSING_BLOCK_LABEL_1565; try { String sql = "{call SELECTDATA(?,?,?,?,?,?,?,?,?,?,?,?,?,?)}"; callStatement = conn.prepareCall(sql); callStatement.setInt(1, table.pageSize); callStatement.setInt(2, table.pageIndex); callStatement.setInt(3, table.pageCount); callStatement.setInt(4, table.queryRowCount); callStatement.setInt(5, table.maxKeyValue); callStatement.setString(6, table.querySql); if(StringUtils.isEmptyOrBlank(table.keyField)) callStatement.setNull(7, 0); else callStatement.setString(7, table.keyField); callStatement.registerOutParameter(1, 4); callStatement.registerOutParameter(2, 4); callStatement.registerOutParameter(3, 4); callStatement.registerOutParameter(4, 4); callStatement.registerOutParameter(5, 4); callStatement.registerOutParameter(6, 12); callStatement.registerOutParameter(7, 12); if(StringUtils.isEmptyOrBlank(selectClause)) callStatement.setNull(8, 12); else callStatement.setString(8, selectClause); if(StringUtils.isEmptyOrBlank(fromClause)) callStatement.setNull(9, 12); else callStatement.setString(9, fromClause); if(StringUtils.isEmptyOrBlank(whereClause)) callStatement.setNull(10, 12); else callStatement.setString(10, whereClause); if(StringUtils.isEmptyOrBlank(groupClause)) callStatement.setNull(11, 12); else callStatement.setString(11, groupClause); if(StringUtils.isEmptyOrBlank(havingClause)) callStatement.setNull(12, 12); else callStatement.setString(12, havingClause); if(StringUtils.isEmptyOrBlank(orderClause)) callStatement.setNull(13, 0); else callStatement.setString(13, orderClause); callStatement.setString(14, ""); resultSet = callStatement.executeQuery(); setResultSet(table, resultSet); if(callStatement.getMoreResults()) { resultSet.close(); resultSet = callStatement.getResultSet(); setResultSet(table, resultSet); } table.pageSize = Integer.parseInt(callStatement.getObject(1).toString()); table.pageIndex = Integer.parseInt(callStatement.getObject(2).toString()); table.pageCount = Integer.parseInt(callStatement.getObject(3).toString()); table.queryRowCount = Integer.parseInt(callStatement.getObject(4).toString()); table.maxKeyValue = Integer.parseInt(callStatement.getObject(5).toString()); table.querySql = (String)callStatement.getObject(6); table.keyField = (String)callStatement.getObject(7); table.note = ""; break MISSING_BLOCK_LABEL_1552; } catch(Exception e) { System.out.println((new StringBuilder("select:")).append(selectClause).toString()); System.out.println((new StringBuilder("from:")).append(fromClause).toString()); System.out.println((new StringBuilder("where:")).append(whereClause).toString()); Error.handler(e); table = null; } closeAll(resultSet, callStatement, conn, isExtConn); break MISSING_BLOCK_LABEL_2103; exception; closeAll(resultSet, callStatement, conn, isExtConn); throw exception; closeAll(resultSet, callStatement, conn, isExtConn); break MISSING_BLOCK_LABEL_2103; if(SqlConf.DefClassForName.toLowerCase().equals("com.mysql.jdbc.driver")) { String sqlStr = ""; if(StringUtils.isEmptyOrBlank(selectClause)) selectClause = " * "; else selectClause = (new StringBuilder(" ")).append(selectClause).toString(); fromClause = (new StringBuilder(" from ")).append(fromClause).toString(); if(StringUtils.isEmptyOrBlank(whereClause)) whereClause = " "; else whereClause = (new StringBuilder(" where ")).append(whereClause).toString(); if(StringUtils.isEmptyOrBlank(groupClause)) groupClause = " "; else groupClause = (new StringBuilder(" group by ")).append(groupClause).toString(); if(StringUtils.isEmptyOrBlank(havingClause)) havingClause = " "; else havingClause = (new StringBuilder(" having ")).append(havingClause).toString(); if(StringUtils.isEmptyOrBlank(orderClause)) orderClause = " "; else orderClause = (new StringBuilder(" order by ")).append(orderClause).toString(); sqlStr = String.format("select count(*) from (select %s %s %s %s %s %s) temp", new Object[] { selectClause, fromClause, whereClause, groupClause, havingClause, orderClause }); table.queryRowCount = Scalar.scalarInt(conn, sqlStr, 0); if(table.pageIndex < 0) table.pageIndex = 0; if(table.pageSize < 0 || table.pageSize > table.queryRowCount) table.pageSize = table.queryRowCount; if(table.queryRowCount == 0) { table.pageIndex = 0; table.pageSize = 0; table.pageCount = 0; } else { table.pageCount = (int)Math.ceil((1.0D * (double)table.queryRowCount) / (double)table.pageSize); } if(table.pageIndex >= table.pageCount) table.pageIndex = table.pageCount - 1; int rowNumStart = table.pageSize * table.pageIndex; sqlStr = String.format("select %s %s %s %s %s %s limit %d ,%d", new Object[] { selectClause, fromClause, whereClause, groupClause, havingClause, orderClause, Integer.valueOf(rowNumStart), Integer.valueOf(table.pageSize) }); TablePager tableTemp = selectTablePager(conn, sqlStr, null, null); tableTemp.pageCount = table.pageCount; tableTemp.pageIndex = table.pageIndex; tableTemp.pageSize = table.pageSize; tableTemp.queryRowCount = table.queryRowCount; tableTemp.querySql = sqlStr; closeAll(resultSet, callStatement, conn, isExtConn); return tableTemp; } return table; } 0 0
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