package com.cramc; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import com.linuxense.javadbf.DBFException; import com.linuxense.javadbf.DBFField; import com.linuxense.javadbf.DBFReader; import com.linuxense.javadbf.DBFWriter; public class Rwdbf {  public static void readDBF(String path)       {          InputStream fis = null;         try         {              //读取文件的输入流             fis  = new FileInputStream(path);             //根据输入流初始化一个DBFReader实例，用来读取DBF文件信息             DBFReader reader = new DBFReader(fis);              //调用DBFReader对实例方法得到path文件中字段的个数             int fieldsCount = reader.getFieldCount();             System.out.println("字段数:"+fieldsCount);             //取出字段信息               for( int i=0; i<fieldsCount; i++)                {                 DBFField field = reader.getField(i);               System.out.println(field.getName());             }               Object[] rowValues;               //一条条取出path文件中记录               while((rowValues = reader.nextRecord()) != null)             {                 for( int i=0; i<rowValues.length; i++)               {                   System.out.println(rowValues[i]);               }               }             }             catch(Exception e)              {             e.printStackTrace();            }            finally            {             try{                  fis.close();           }catch(Exception e){}            }     }      public static void writeDBF(String path)  {   OutputStream fos = null;   try    {         //定义DBF文件字段         DBFField[] fields = new DBFField[3];       //分别定义各个字段信息，setFieldName和setName作用相同，       //只是setFieldName已经不建议使用         fields[0] = new DBFField();         //fields[0].setFieldName("emp_code");       fields[0].setName("semp_code");         fields[0].setDataType(DBFField.FIELD_TYPE_C);         fields[0].setFieldLength(10);         fields[1] = new DBFField();         //fields[1].setFieldName("emp_name");       fields[1].setName("emp_name");         fields[1].setDataType(DBFField.FIELD_TYPE_C);         fields[1].setFieldLength(20);         fields[2] = new DBFField();         //fields[2].setFieldName("salary");       fields[2].setName("salary");        fields[2].setDataType(DBFField.FIELD_TYPE_N);         fields[2].setFieldLength(12);         fields[2].setDecimalCount(2);         //DBFWriter writer = new DBFWriter(new File(path));         //定义DBFWriter实例用来写DBF文件         DBFWriter writer = new DBFWriter();       //把字段信息写入DBFWriter实例，即定义表结构        writer.setFields(fields);         //一条条的写入记录         Object[] rowData = new Object[3];       rowData[0] = "1000";         rowData[1] = "John";         rowData[2] = new Double(5000.00);       writer.addRecord(rowData);         rowData = new Object[3];        rowData[0] = "1001";        rowData[1] = "Lalit";       rowData[2] = new Double(3400.00);         writer.addRecord(rowData);         rowData = new Object[3];       rowData[0] = "1002";         rowData[1] = "Rohit";        rowData[2] = new Double(7350.00);        writer.addRecord(rowData);         //定义输出流，并关联的一个文件         fos = new FileOutputStream(path);       //写入数据         writer.write(fos);         //writer.write();    }catch(Exception e)     {         e.printStackTrace();     }     finally    {         try{         fos.close();       }catch(Exception e){}   }  }  public static void main(String[] args){   String path ="E:\\tmp\\2\\xx.dbf";   try {    InputStream fis = new FileInputStream(path);    DBFReader reader = new DBFReader(fis);    int fieldsCount = reader.getFieldCount();             System.out.println("字段数:"+fieldsCount);             DBFField[] df = new DBFField[fieldsCount+2];             for( int i=0; i<fieldsCount; i++)                {                 df[i] = reader.getField(i);               System.out.println("field"+i+":"+df[i].getName());             }             df[fieldsCount] = new DBFField();             df[fieldsCount].setName("add1");             df[fieldsCount].setDataType(DBFField.FIELD_TYPE_C);             df[fieldsCount].setFieldLength(10);             df[fieldsCount+1] = new DBFField();             df[fieldsCount+1].setName("add2");             df[fieldsCount+1].setDataType(DBFField.FIELD_TYPE_C);             df[fieldsCount+1].setFieldLength(10);             DBFWriter writer = new DBFWriter();             writer.setFields(df);             Object[] rowValues;             Object[] rowValues1 = new Object[fieldsCount+2];             //一条条取出path文件中记录               while((rowValues = reader.nextRecord()) != null)             {               for(int i=0;i<fieldsCount;i++){                rowValues1[i] = rowValues[i];               }               rowValues1[fieldsCount]="x";               rowValues1[fieldsCount+1]="xx";               writer.addRecord(rowValues1);             }                         path ="E:\\tmp\\2\\test2.dbf";             OutputStream fos = new FileOutputStream(path);           //写入数据             writer.write(fos);             System.out.println("OVER");               } catch (FileNotFoundException | DBFException e) {    // TODO Auto-generated catch block    e.printStackTrace();   }  } }