FOXPRO 系统指标
2007-11-11 09:53:10 来源:WEB开发网核心提示: 原文出处终于整理完dbf文件读写的java源码,欢迎使用 修改以下代码 private void init(InputStream inputstream) throws JDBFException { try { stream = new DataInputStream(inputs
原文出处
终于整理完dbf文件读写的java源码,欢迎使用
修改以下代码
private void init(InputStream inputstream) throws JDBFException { try { stream = new DataInputStream(inputstream); int i = readHeader(); fields = new JDBField[i]; int j = 1; for(int k = 0; k < i; k++) { fields[k] = readFieldHeader(); j += fields[k].getLength(); }
if(stream.read() < 1) throw new JDBFException("Unexpected end of file reached."); nextRecord = new byte[j]; try { //stream.readFully(nextRecord); stream.read(new byte[263]); stream.readFully(nextRecord); } catch(EOFException eofexception) { nextRecord = null; stream.close(); } } catch(IOException ioexception) { throw new JDBFException(ioexception); } }
private int readHeader() throws IOException, JDBFException { byte abyte0[] = new byte[16]; try { stream.readFully(abyte0); } catch(EOFException eofexception) { throw new JDBFException("Unexpected end of file reached."); } int i = abyte0[8]; if(i < 0) i += 256; i += 256 * abyte0[9]; i -= 264; i = --i / 32; //i = --i / 32; //i--; try { stream.readFully(abyte0); } catch(EOFException eofexception1) { throw new JDBFException("Unexpected end of file reached."); } return i; }
dbf文件定义格式:http://www.clicketyclick.dk/databases/xbase/format/dbf.HTML
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