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ini工具类;
```
import java .io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class IniReader
{
// section item value
private static Map<String, HashMap<String, String>> sectionsMap = new HashMap<String, HashMap<String, String>>();
// item value
private static HashMap<String, String> itemsMap = new HashMap<String, String>();
private static String currentSection = "";
/**
* Load data from target file
* @param file target file. It should be in ini format
*/
private static void loadData(File file)
{
BufferedReader reader = null;
try
{
reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
String line = null;
while ((line = reader.readLine()) != null)
{
line = line.trim();
if ("".equals(line))
continue;
if (line.startsWith("[") && line.endsWith("]"))
{
// Ends last section
if (itemsMap.size() > 0 && !"".equals(currentSection.trim()))
{
sectionsMap.put(currentSection, itemsMap);
}
currentSection = "";
itemsMap = null;
// Start new section initial
currentSection = line.substring(1, line.length() - 1);
itemsMap = new HashMap<String, String>();
}
else
{
int index = line.indexOf("=");
if (index != -1)
{
String key = line.substring(0, index);
String value = line.substring(index + 1, line.length());
itemsMap.put(key, value);
}
}
// System.out.println(line);
}
reader.close();
}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
if (reader != null)
{
try
{
reader.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
}
}
public static String getValue(String section, String item, File file)
{
loadData(file);
HashMap<String, String> map = sectionsMap.get(section);
if (map == null)
{
return "No such section:" + section;
}
String value = map.get(item);
if (value == null)
{
return "No such item:" + item;
}
return value;
}
public static String getValue(String section, String item, String fileName)
{
File file = new File(fileName);
return getValue(section, item, file);
}
public static List<String> getSectionNames(File file)
{
List<String> list = new ArrayList<String>();
loadData(file);
Set<String> key = sectionsMap.keySet();
for (Iterator<String> it = key.iterator(); it.hasNext();)
{
list.add(it.next());
}
return list;
}
public static Map<String, String> getItemsBySectionName(String section, File file)
{
loadData(file);
return sectionsMap.get(section);
}
}
```
具体使用:
```
* 文 件 名: TestReadIni.java
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.List;
/**
* <读取ini文件中的内容>
* <把源文件从GBK转成UTF-8>
* @author zyy
* @version [版本号, 2012-11-17]
* @see [相关类/方法]
* @since [产品/模块版本]
*/
public class TestReadIni
{
public static void main(String[] args)
{
String srcFileName = "D:\\shMap.ini";
String destFileName = "D:\\test.ini";
try
{
transferFile(srcFileName, destFileName);
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
File file = new File(destFileName);
List<String> se = IniReader.getSectionNames(file);
String distance = ""; // 离基站的距离
for (int i = 0; i < se.size(); i++)
{
distance = IniReader.getValue(se.get(i), "POSITION", file);
System.out.println("distance: " + distance);
}
}
private static void transferFile(String srcFileName, String destFileName)
throws IOException
{
String line_separator = System.getProperty("line.separator");
FileInputStream fis = new FileInputStream(srcFileName);
StringBuffer content = new StringBuffer();
DataInputStream in = new DataInputStream(fis);
BufferedReader d = new BufferedReader(new InputStreamReader(in, "GBK"));
String line = null;
while ((line = d.readLine()) != null)
content.append(line + line_separator);
d.close();
in.close();
fis.close();
Writer ow = new OutputStreamWriter(new FileOutputStream(destFileName), "utf-8");
ow.write(content.toString());
ow.close();
}
}
```
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