package cn.com.szhtkj.util;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import javax.naming.NamingException;
import org.apache.commons.beanutils.PropertyUtils;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import com.linuxense.javadbf.DBFField;
import com.linuxense.javadbf.DBFWriter;
import cn.com.szhtkj.dto.SjxmDtoOutput;
public class ExportDbf {
private static final String CHARSET = "GBK";
// private static File dataFile;
private final static int records = 2000;
/**
* 写入文件
* @param beans
* @param propertys
* @return
* @throws DocumentException
* @throws IllegalAccessException
* @throws InvocationTargetException
* @throws NoSuchMethodException
* @throws IOException
*/
public static String writeDbf(List<?> beans, String templateName,String dbfName) throws DocumentException,
IllegalAccessException, InvocationTargetException, NoSuchMethodException,
IOException {
try {
List<?> propertys = readTemplate(templateName);
DBFWriter writer = new DBFWriter(new File(dbfName));
writer.setCharactersetName(CHARSET);
writer.setFields(writeFields(propertys));
for (int i = 0; i < beans.size(); i++) {
writer.addRecord(writeLine(beans.get(i), propertys));
}
writer.write();
return "succ";
} catch (Exception e) {
e.printStackTrace();
return "error";
}
}
/**
* 写入文件
* @param beans
* @param propertys
* @return 第一次写入dbf已经写入dbf表结构，所以不需要二次写入
* @throws DocumentException
* @throws IllegalAccessException
* @throws InvocationTargetException
* @throws NoSuchMethodException
* @throws IOException
*/
public static String writeDbf2(List<?> beans, String templateName,String dbfName) throws DocumentException,
IllegalAccessException, InvocationTargetException, NoSuchMethodException,
IOException {
try {
List<?> propertys = readTemplate(templateName);
DBFWriter writer = new DBFWriter(new File(dbfName));
writer.setCharactersetName(CHARSET);
writer.setFields(writeFields(propertys));
for (int i = 0; i < beans.size(); i++) {
writer.addRecord(writeLine(beans.get(i), propertys));
}
writer.write();
return "succ";
} catch (Exception e) {
e.printStackTrace();
return "error";
}
}
/**
* 读取配置文件
* @param filename
* @return
* @throws DocumentException
*/
private static List<?> readTemplate(String filename) throws DocumentException {
SAXReader reader = new SAXReader();
Document document = reader.read(filename);
return document.getRootElement().elements();
}
/**
* 解析dbf文件
* @param clazz
* @param propertys
* @param values
* @return
* @throws InstantiationException
* @throws IllegalAccessException
* @throws InvocationTargetException
* @throws NoSuchMethodException
*/
@SuppressWarnings("unused")
private static Object readLine(Class<?> clazz, List<?> propertys, Object[] values)
throws InstantiationException, IllegalAccessException, InvocationTargetException,
NoSuchMethodException {
Object bean = clazz.newInstance();
for (int i = 0; i < propertys.size(); i++) {
Element property = (Element) propertys.get(i);
Object value = values[i];
if (property.attributeValue("type").equals("C")) {
value = ((String) value).trim();
}
PropertyUtils.setProperty(bean, property.attributeValue("name"), value);
}
return bean;
}
/**
* 返回每行匹配配置xml的数�?
* @param bean
* @param propertys
* @return
* @throws IllegalAccessException
* @throws InvocationTargetException
* @throws NoSuchMethodException
*/
private static Object[] writeLine(Object bean, List<?> propertys)
throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
Object[] row = new Object[propertys.size()];
for (int i = 0; i < propertys.size(); i++) {
Element element = (Element) propertys.get(i);
row[i] = PropertyUtils.getProperty(bean, element.attributeValue("name"));
}
return row;
}
/**
* 设置写入dbf文件字段类型
* @param propertys
* @return
*/
private static DBFField[] writeFields(List<?> propertys) {
DBFField[] fields = new DBFField[propertys.size()];
for (int i = 0; i < propertys.size(); i++) {
Element property = (Element) propertys.get(i);
fields[i] = new DBFField();
fields[i].setName(property.attributeValue("column"));
fields[i].setDataType((byte) property.attributeValue("type").charAt(0));
if (property.attributeValue("length") != null) {
fields[i].setFieldLength(Integer.parseInt(property.attributeValue("length")));
}
if (property.attributeValue("scale") != null) {
fields[i].setDecimalCount(Integer.parseInt(property.attributeValue("scale")));
}
}
return fields;
}
/**
* 启动程序方法
* @throws NamingException
* @throws SQLException
* @throws IOException
* @throws NoSuchMethodException
* @throws InvocationTargetException
* @throws IllegalAccessException
* @throws DocumentException
*/
@SuppressWarnings("static-access")
public static int setUp(String fcode, String xmlNameAndPath, List<SjxmDtoOutput> list) throws SQLException, NamingException, DocumentException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, IOException {
File file = new File(fcode);
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
if(file.exists()){
deleteFile(fcode);
}
String succ="";
ExportDbf ep=new ExportDbf();
//取得总记录数，进行分页处理
long count = list.size();
if(count >0){
long page = count / records;
if (count % records != 0 ) {
page = page + 1 ;
}
//开始行号，结束行号
long start = 1 , end = records;
//根据页数进行循环
List<SjxmDtoOutput> orders = new ArrayList<SjxmDtoOutput>();
for ( long j = 1 ; j <= page; j++) {
if(list.size() > 0){
for(int i=0;i<list.size();i++){
SjxmDtoOutput order = new SjxmDtoOutput();
order.setBmbh(list.get(i).getBmbh());
order.setBmmc(list.get(i).getBmmc()+" ");
order.setSjxmdm(list.get(i).getSjxmdm());
order.setXmbh(list.get(i).getXmbh());
order.setXmmc(list.get(i).getXmmc()+" ");
orders.add(order);
}
//调用生成dbf方法
if(j >1){
succ=ep.writeDbf2(orders, xmlNameAndPath,fcode);
orders.clear();
}else{
succ=ep.writeDbf(orders, xmlNameAndPath,fcode);
orders.clear();
}
}
start = end + 1 ;
end = end + records;
}
}
if(count == 0){
return 99;
}else if(succ.equals("succ")){
return 88;
}else{
return 66;
}
}
/**
*
* 删除
* @param sPath
* @return
*/
public static boolean deleteFile(String sPath) {
Boolean flag = false;
File file = new File(sPath);
// 路径为文件且不为空则进行删除
if (file.isFile() && file.exists()) {
file.delete();
flag = true;
}
return flag;
}
public static void main(String[] args) throws Exception {
// ExportDbf dbf=new ExportDbf();
// File xing=new File(System.getProperty("user.dir"));
// String x=xing.getPath().replace("\\", "\\\\");
// String cs1=x+"\\export.dbf";
// System.out.println(cs1);
// setUp(cs1);
}
}
