知识大全高灵活的ＳＱＬ使用

Posted 2022-07-19 语句

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　　/** * @return执行sql语句(Insert pdate delete) */ public void execMySQL(String inSQL) throws SQLException sql = inSQL; util = new DBManager(); conn = util getConn(); conn setAutoCommit(false); // setAutoCommit(false); try util getStmt() execute(sql); mit(); catch (SQLException e) // TODO Auto generated catch block conn rollback(); e printStackTrace(); util close(); /** * @return执行sql语句(select) */

　　public MyTable execMySQLSelect (String inSQL) MyFunc func = new MyFunc(); sql = inSQL; //list = new ArrayList(); util = new DBManager(); MyTable kfse = new MyTable(); String s; int type; int iValue; List rows = new ArrayList(); Integer itg = new Integer( ); BigDecimal ftg = new BigDecimal( ); java sql Date date; try rs = util getStmt() executeQuery(sql); ResultSetMetaData rsmd = rs getMetaData();//可用于获取关于 ResultSet 对象中列的类型和属性信息的对象 String[] cols = new String[rsmd getColumnCount()];//rsmd getColumnCount()返回此 ResultSet 对象中的列数 String[] colsType = new String[rsmd getColumnCount()]; for (int i = cols length; i > ; i ) cols[i ] = rsmd getColumnName(i);//rsmd getColumnName(i)获取指定列的名称 colsType[i ] = String valueOf(rsmd getColumnType(i));//rsmd getColumnType(i)检索指定列的 SQL 类型 if (rs != null) while (rs next()) Object[] row = new Object[cols length]; rows add(row); for (int i = cols length; i > ; i ) //row[i ] = rs getString(cols[i ]); type = rsmd getColumnType(i); //row[i ] = String valueOf(type); switch (type) //type数值参照java sql types case : row[i ] = rs getString(cols[i ]); break; case : ftg = new BigDecimal( ); if (rs getBigDecimal(cols[i ]) != null) ftg = rs getBigDecimal(cols[i ]);

　　row[i ] = ftg; break; case : ftg = new BigDecimal( ); if (rs getBigDecimal(cols[i ]) != null) ftg = rs getBigDecimal(cols[i ]);

　　row[i ] = ftg; break; case : //对u 数u 库u 段NTEGER//ok itg = new Integer(rs getInt(cols[i ])); row[i ] = itg; break; case : itg = new Integer(rs getInt(cols[i ])); row[i ] = itg; break; case : ftg = new BigDecimal( ); if (rs getBigDecimal(cols[i ]) != null) ftg = rs getBigDecimal(cols[i ]);

　　row[i ] = ftg; break; case : row[i ] = new Float(rs getFloat(cols[i ])); break; case : ftg = new BigDecimal( ); if (rs getBigDecimal(cols[i ]) != null) ftg = rs getBigDecimal(cols[i ]);

　　row[i ] = ftg; break; case : //对u 数u 库u 段TRING//ok row[i ] = func CL_String(rs getString(cols[i ]));

　　break; case : //对u 数u 库u 段ATE//ok date = (java sql Date) rs getDate(cols[i ]); row[i ] = date; break; case : java sql Time time = (java sql Time) rs getTime(cols[i ]); row[i ] = time; break; case : java sql Timestamp timestamp = (java sql Timestamp) rs getTimestamp( cols[i ]); row[i ] = timestamp; break;

　　default :

　　row[i ] = func CL_String(rs getString(cols[i ]));

　　break;

　　 kfse setCols(cols); kfse setColstype(colsType); kfse setRows(rows); util close(); catch (SQLException e) e printStackTrace(); return kfse; //页面读取 java util List rows; String str = ; int ii = ; Iterator iter = null; int j = ; try int i; ExecMySql bean = new ExecMySql(); String tmps; j = ; str = select DJCJD_MC DJCJD_KSRQ from EM_DJCJD_TB where DJCJD_ID= ;

　　MyTable mytb = bean execMySQLSelect (str); j= ; rows = new java util ArrayList(); rows = mytb getRows(); ii =rows size(); if (rows isEmpty()) return; String mys; j= ; for (iter = erator(); iter hasNext();) Object[] sss = (Object[]) iter next();

　　j = ; wdContext currentContextElement() setString((String) sss[ ]); wdContext currentContextElement() setDate((Date) sss[ ]);

　　 catch (Exception e) MessageManager wdMsgMgr =(MessageManager) wdThis wdGetAPI() getComponent() getMessageManager(); wdMsgMgr reportException(e getMessage() true); logger errorT(e getMessage());

　　//插入日期 insert into em_djcqk_tb t (t DJCQK_ID t DJCQK_JCRQ) values( to_date( : : yyyy mm dd hh :mi:ss )) //插入带的字符串 String a = a a a a a ; String b = a replaceAll( ) insert into em_djcqk_tb (DJCQK_ID DJCQK_JCR) values ( b )

cha138/Article/program/Java/hx/201311/26555

知识大全 高灵活的ＳＱＬ使用

知识大全高灵活的ＳＱＬ使用