java中.rtf文件变成文本文件

来源：互联网发布：js时间相减编辑：程序博客网时间：2024/06/05 09:38
公司业务需求需要把.rtf文件转化成文本文件。
package chuyuanxiaojie;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.StringReader;import java.sql.Blob;import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.util.zip.ZipInputStream;import javax.swing.text.DefaultStyledDocument;import javax.swing.text.rtf.RTFEditorKit;public class Indexer {    public static void main(String[] args) {         for (int i = 0; i < 5; i++)         new Thread(new tRunnable(i)).start();    }    public static Connection getConnection() {        Connection conn = null;        try {            Class.forName("oracle.jdbc.driver.OracleDriver");            conn = DriverManager.getConnection(                    "jdbc:oracle:thin:@IP:1521:ORCL", "账号", "密码");            System.out.println("success");        } catch (Exception e) {            e.printStackTrace();        }        return conn;    }    public static Connection getConnectionnyns() {        Connection conn = null;        try {            Class.forName("oracle.jdbc.driver.OracleDriver");            conn = DriverManager.getConnection(                    "jdbc:oracle:thin:@IP:1521:ORCL", "账号", "密码");            System.out.println("success");        } catch (Exception e) {            e.printStackTrace();        }        return conn;    }    public static String hex2str(byte[] b1) {        String str = null;        try {            byte[] b2 = null;            ZipInputStream zis = new ZipInputStream(                    new ByteArrayInputStream(b1));            while (zis.getNextEntry() != null) {                byte[] tmp = new byte[1024];                int num = -1;                ByteArrayOutputStream baos = new ByteArrayOutputStream();                while ((num = zis.read(tmp, 0, tmp.length)) != -1)                    baos.write(tmp, 0, num);                b2 = baos.toByteArray();                baos.flush();                baos.close();            }            zis.close();            DefaultStyledDocument dsd = new DefaultStyledDocument();            new RTFEditorKit().read(new ByteArrayInputStream(b2), dsd, 0);            str = new String(dsd.getText(0, dsd.getLength()).getBytes(                    "ISO8859_1"), "gbk");            str = str.replaceAll("[A-Z]{2}\\(\\d{8},\\d,\\d\\)", "");        } catch (Exception e) {            e.printStackTrace();        }        return str;    }}class tRunnable implements Runnable {    public int num;    public tRunnable(int num) {        this.num = num;    }    @Override    public void run() {        try {            Connection conn = new Indexer().getConnection();            Connection connnyns = new Indexer().getConnectionnyns();            int startCount = num * 900000;            int endCount = startCount + 900000;            conn.setAutoCommit(false);            PreparedStatement ps = connnyns                    .prepareStatement("insert into medical_record values(?,?,?)");            System.out.println("线程" + num + "开始  " + startCount + "--"                    + endCount);            for (int i = startCount, j = 0; i < endCount; i += 3000) {                ResultSet rs = conn                        .createStatement()                        .executeQuery(                                "select * from (select a.文件ID,a.内容,b.创建时间,rownum rn from 电子病历格式 a,电子病历记录 b where a.文件ID=b.ID and b.文件ID='29' and rownum<="                                        + (i + 3000) + ") where rn>" + i);                while (rs.next()) {                    Blob blob = rs.getBlob(2);                    byte[] b1 = blob.getBytes(1, (int) blob.length());                    String s = Indexer.hex2str(b1);                    ps.setLong(1, rs.getLong(1));                    ps.setCharacterStream(2, new StringReader(s), s.length());                    ps.setDate(3, rs.getDate(3));                    ps.executeUpdate();                }                conn.commit();                rs.close();                j += 3000;                System.out.println("线程" + num + "完成" + j + "条记录");            }        } catch (Exception e) {            e.printStackTrace();        }    }}
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