java 解析DBF文件

java代码

引用：http://www.oschina.net/code/snippet_70229_1393

01

/**

02

* 解析DBF文件

03	* @param in

04	* @return List<Map<String,String>> columns通过AMF编码之后的字符串

05	* @throws Exception

06

*/

07	public static String parseDbf2Map(InputStream in)throws Exception {

08

09	DBFReader dbfreader = new DBFReader(in);

10	dbfreader.setCharactersetName("GB2312");

11

12	List<Map<String,String>> columns = new ArrayList<Map<String,String>>();

13	Map<String,String> head = new HashMap<String,String>();

14	//解析DBF表头的信息

15	Map dataType = new HashedMap();

16	for(int i = 0; i < dbfreader.getFieldCount(); i++) {

17	DBFField field = dbfreader.getField(i);

18	byte type = field.getDataType();

19	int decimal = 0;

20	int length = 0;

21	String formatString = "";

22	if(DBFField.FIELD_TYPE_N == type || DBFField.FIELD_TYPE_F == type){

23	decimal = field.getDecimalCount();

24	length = field.getFieldLength();

25	for (int j = 0; j < (length - decimal); j++) {

26	formatString +="#";

27

}

28	if(decimal != 0){

29	formatString = formatString + "0.";

30

}

31	for (int jj = 0; jj < decimal; jj++) {

32	formatString +="0";

33

}

34	dataType.put(""+i, formatString);

35

}

36	if(DBFField.FIELD_TYPE_D == type){

37	formatString = "yyyy/MM/dd";

38	dataType.put(""+i, formatString);

39

}

40

41	String name = field.getName();

42

43	head.put(""+i, name);

44

}

45	columns.add(head);

46	Object[] rowObj = null;

47	int k = 1;

48	while ((rowObj = dbfreader.nextRecord()) != null) {

49	Map<String,String> data = new HashMap<String,String>();

50	for (int i = 0; i < rowObj.length; i++) {

51	Object temp = rowObj[i];

52	String dataTypeFormat = (String)dataType.get(""+i);

53	if(dataTypeFormat != null){

54	if(dataTypeFormat.indexOf("yyyy") !=-1){

55	SimpleDateFormat format = new SimpleDateFormat(dataTypeFormat);

56	temp = format.format((Date)temp);

57

}else {

58	DecimalFormat format = new DecimalFormat(dataTypeFormat);

59	temp = format.format(temp);

60

}

61

}

62	data.put(dbfreader.getField(i).getName(), temp.toString());

63

}

64	columns.add(data);

65

k++;

66

}

67

68

//编码：

69	AmfSerializer amfSerializer = new AmfSerializer();

70	String str = amfSerializer.toAmf(columns);

71	return str;

72