public void addOneComment(DocComment docComment) throws DocCommentManagerException {
// TODO Auto-generated method stub
PreparedDBUtil preparedDB = new PreparedDBUtil();
DBUtil dbUitl = new DBUtil();
String sql =
"insert into td_cms_doc_comment(comment_id, doc_id,doc_comment,user_name,comtime,user_ip,src_comment_id,status) values(?, ?,?,?,?,?,?,?)";
try {
int id =
(Integer)
dbUitl.executeSelectForObject(executor.getSql("getCommentNextId"), Integer.class);
preparedDB.preparedInsert(sql);
preparedDB.setInt(1, id);
preparedDB.setInt(2, docComment.getDocId());
preparedDB.setClob(3, docComment.getDocComment(), "doc_comment");
preparedDB.setString(4, docComment.getUserName());
preparedDB.setTimestamp(5, new Timestamp(new Date().getTime()));
preparedDB.setString(6, docComment.getUserIP());
if (docComment.getSrcCommentId() == 0) preparedDB.setNull(7, Types.NUMERIC);
else preparedDB.setInt(7, docComment.getSrcCommentId());
preparedDB.setInt(8, docComment.getStatus());
preparedDB.executePrepared();
} catch (SQLException e) {
e.printStackTrace();
throw new DocCommentManagerException("新评论插入失败！" + e.getMessage());
} finally {
preparedDB.resetPrepare();
}
}
/** clob字段的写入 */
@Test
public void testClobWrite() {
PreparedDBUtil dbUtil = new PreparedDBUtil();
try {
dbUtil.preparedInsert("insert into test(id,clobname) values(?,?)");
dbUtil.setString(1, DBUtil.getNextStringPrimaryKey("test"));
dbUtil.setClob(2, "clobvalue"); // 直接将字符串存储到clob字段中
dbUtil.executePrepared();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
}
}
/** 针对oracle Clob字段的插入操作 */
@Test
public void testBigClobWrite() {
PreparedDBUtil dbUtil = new PreparedDBUtil();
TransactionManager tm = new TransactionManager();
try {
// 启动事务
tm.begin();
// 先插入一条记录,blob字段初始化为empty_lob
dbUtil.preparedInsert("insert into test(id,clobname) values(?,?)");
String id = DBUtil.getNextStringPrimaryKey("test");
dbUtil.setString(1, id);
dbUtil.setClob(2, CLOB.empty_lob()); // 先设置空的blob字段
dbUtil.executePrepared();
// 查找刚才的插入的记录，修改blob字段的值为一个文件
dbUtil = new PreparedDBUtil();
dbUtil.preparedSelect("select clobname from test where id = ?");
dbUtil.setString(1, id);
dbUtil.executePrepared();
CLOB clob = (CLOB) dbUtil.getClob(0, "clobname");
if (clob != null) {
DBUtil.updateCLOB(clob, new java.io.File("d:\\route.txt"));
}
tm.commit();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
try {
tm.rollback();
} catch (RollbackException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
} finally {
tm = null;
dbUtil = null;
}
}