PreparedStatement 批量更新,插入数据到Oracle

端木4165

/**
* 更新数据库已有的customer信息
* @param List<CustomerBean>
* @return
*/
public int updateExistsInfo(List<CustomerBean> updateList){
//查询的SQL语句
String sql = "update t_customer set LICENSE_KEY=?,CORPORATE_NAME=?,INTEGRATED_CLASSIFICATION=?,BOSSHEAD=?," +
"CONTACT_PHONE=?,ORDER_FREQUENCY=?,CONTACT_ADDRESS=?,USER_ID=? where CUSTOMER_ID=?" ;
//插入需要的数据库对象
Connection conn = null;
PreparedStatement pstmt = null;
try  {
conn = new DBSource().getConnection();
//设置事务属性
conn.setAutoCommit(false);
pstmt = conn.prepareStatement(sql,ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
for(CustomerBean cbean : updateList){
pstmt.setString(1, cbean.getLicense_key());
pstmt.setString(2, cbean.getCorporate_name());
pstmt.setString(3, cbean.getIntegrated_classification());
pstmt.setString(4, cbean.getBosshead());
pstmt.setString(5, cbean.getContact_phone());
pstmt.setString(6, cbean.getOrder_frequency());
pstmt.setString(7, cbean.getContact_address());
pstmt.setInt   (8, cbean.getUser_id());
pstmt.setInt   (9, cbean.getCustomer_id());
pstmt.addBatch();
}
int[] tt = pstmt.executeBatch();
System.out.println("update : " + tt.length);
//提交，设置事务初始值
conn.commit();
conn.setAutoCommit(true);
//插入成功，返回
return tt.length;
}catch(SQLException ex){
try{
//提交失败，执行回滚操作
conn.rollback();
}catch (SQLException e) {
e.printStackTrace();
System.err.println("updateExistsInfo回滚执行失败!!!");
}
ex.printStackTrace();
System.err.println("updateExistsInfo执行失败");
//插入失败返回标志0
return 0;
}finally {
try{
//关闭资源
if(pstmt != null)pstmt.close();
if(conn != null)conn.close();
}catch (SQLException e) {
e.printStackTrace();
System.err.println("资源关闭失败!!!");
}
}
}
/**
* 插入数据中没有的customer信息
* @param List<CustomerBean>
* @return
*/
public int insertNewInfo(List<CustomerBean> insertList){
//查询的SQL语句
String sql = "insert into t_customer(CUSTOMER_ID," +
"LICENSE_KEY,CORPORATE_NAME,INTEGRATED_CLASSIFICATION,BOSSHEAD,CONTACT_PHONE," +
"ORDER_FREQUENCY,CONTACT_ADDRESS,USER_ID,CUSTOMER_NUM,CUSTOMER_CODING," +
"INVESTIGATION_TIME,SMS_REC_FLAG,WAP_FLAG,PRICE_GATHERING_FLAG,SOCIETY_STOCK_FLAG," +
"REGION_TYPE)" +
"VALUES(CUSTOMER.NEXTVAL," +
"?,?,?,?,?," +
"?,?,?,?,?," +
"TO_DATE(?,'YYYY-MM-DD'),?,0,0,0," +
"?)" ;
//插入需要的数据库对象
Connection conn = null;
PreparedStatement pstmt = null;
try  {
conn = new DBSource().getConnection();
//设置事务属性
conn.setAutoCommit(false);
pstmt = conn.prepareStatement(sql,ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
for(CustomerBean cbean : insertList){
pstmt.setString(1, cbean.getLicense_key());
pstmt.setString(2, cbean.getCorporate_name());
pstmt.setString(3, cbean.getIntegrated_classification());
pstmt.setString(4, cbean.getBosshead());
pstmt.setString(5, cbean.getContact_phone());
pstmt.setString(6, cbean.getOrder_frequency());
pstmt.setString(7, cbean.getContact_address());
pstmt.setInt(8, cbean.getUser_id());
pstmt.setString(9, "gyyc00000");//
pstmt.setString(10, "95000000");//
pstmt.setString(11, getToday());
pstmt.setInt(12, cbean.getSms_rec_flag());
pstmt.setInt(13, cbean.getRegion_type());

pstmt.addBatch();
}
int[] tt = pstmt.executeBatch();
System.out.println("insert : " + tt.length);
//提交，设置事务初始值
conn.commit();
conn.setAutoCommit(true);
//插入成功，返回
return tt.length;
}catch(SQLException ex){
try{
//提交失败，执行回滚操作
conn.rollback();
}catch (SQLException e) {
e.printStackTrace();
System.err.println("insertNewInfo回滚执行失败!!!");
}
ex.printStackTrace();
System.err.println("insertNewInfo执行失败");
//插入失败返回标志0
return 0;
}finally {
try{
//关闭资源
if(pstmt != null)pstmt.close();
if(conn != null)conn.close();
}catch (SQLException e) {
e.printStackTrace();
System.err.println("资源关闭失败!!!");
}
}
}

　　
　　Notice:
　　//设置事务属性
conn.setAutoCommit(false);

pstmt = conn.prepareStatement(sql,ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);

for(CustomerBean cbean : updateList){
pstmt.setString(1, cbean.getLicense_key());
...    
   pstmt.addBatch();

}
int[] tt = pstmt.executeBatch();
System.out.println("update : " + tt.length);

//提交，设置事务初始值
conn.commit();
conn.setAutoCommit(true);
...