PreparedStatement设置日期型参数

最新推荐文章于 2025-05-17 22:40:03 发布

原创最新推荐文章于 2025-05-17 22:40:03 发布 · 2.2k 阅读

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#java #数据库

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本文详细介绍了使用PreparedStatement进行数据库更新操作的过程，包括设置自动提交为false，构建SQL更新语句，以及如何正确设置参数类型。此外，文章还展示了如何通过Connection的commit()方法提交事务，确保数据的一致性和完整性。

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PreparedStatement upStatement = null;
Connection connection = null;

connection = getConnection(sclMiddleTble);
connection.setAutoCommit(false);

String updateMess = "UPDATE tableName" 
	" SET STATUS = ?, EXCEPTION_MESS = ?,BACK_TIME=?,BACK_DATE=? WHERE ID = ?";
upStatement = connection.prepareStatement(updateMess);
//构建一个java.sql.Date对象
java.sql.Date date = new java.sql.Date(new Date().getTime()); 
//构建一个java.sql.Timestamp对象
java.sql.Timestamp timestamp = new java.sql.Timestamp(new Date().getTime());

upStatement.setInt(1, 3);
upStatement.setString(2, "EXCEPTION_MESS");
upStatement.setTimestamp(3,timestamp);
upStatement.setDate(4, date);
upStatement.setLong(5, id);

upStatement.execute();
connection.commit();

upStatement.close();
connection.close();

public Connection getConnection(String beanId) {
	Connection conn = null;
	DataSource ds = DataSourceFactory.getDataSourceFactory(beanId);
	
	try {
		conn = ds.getConnection();
	} catch (SQLException e) {
		e.printStackTrace();
	}
	
	return conn;
}

dataSourceContext.xml

<bean id="sclMiddleTble" class="org.apache.commons.dbcp.BasicDataSource" 
		destroy-method="close">
	<property name="driverClassName">
		<value>oracle.jdbc.OracleDriver</value>
	</property>
	 <property name="url">
			 <value>jdbc:oracle:thin:@localhost:1521:jqwlscl</value> 
	</property>
	<property name="username">
		<value>middleTable</value>
	</property>
	<property name="password">
		<value>middleTable</value>
	</property> 
	<property name="initialSize" value="30"/>
	<property name="maxActive" value="500"/> 
	<property name="maxIdle" value="2"/>
	<property name="minIdle" value="1"/>
 </bean>