读取写入文件内容

private String getEmailBody(String lang, String mobile, String refnumber){

        ClassLoader cl;
        
        String str = "";
        InputStream is = null;
        BufferedReader in = null;
        
        try{
            cl = Thread.currentThread().getContextClassLoader();
            if (lang == null){
                lang="chi";
            }
            
            if (lang.equals("chi")){
                is = cl.getResourceAsStream("com/mmt/mail/mailBody.html");
            }else{
                is = cl.getResourceAsStream("com/mmt/mail/mailBody_en.html");
            }
            
            in = new BufferedReader(new InputStreamReader(is, "UTF-8"));

            String temp;
            while ((temp = in.readLine()) != null) {
                str += temp + "\r\n";
            }

            str = str.replaceAll("%%mobile%%", mobile).replaceAll("%%refnumber%%", refnumber);
            str = str.trim();
            
        }catch(Exception e){
            e.printStackTrace();
        }finally{
            try{in.close();in=null;}catch(Exception e){}
            try{is.close();is=null;}catch(Exception e){}
            cl=null;
        }

        return str;
    }

/**
* 以行为单位读取文件，常用于读面向行的格式化文件
*/
public static boolean readFileByLines(File file) {
boolean b = false;
BufferedReader reader = null;
FileInputStream fis = null;
InputStreamReader isr = null;
try {
List<List<Object>> marList = new ArrayList<List<Object>>();
//            System.out.println("以行为单位读取文件内容，一次读一整行：");
String tempString = null;
//            String html = "";
int line = 1;
fis  =   new  FileInputStream( file );
isr  =   new  InputStreamReader(fis,  "UTF-8" );
reader  =   new  BufferedReader(isr);

// 一次读入一行，直到读入null为文件结束
while ((tempString  =  reader.readLine()) != null) {
// 显示行号
//                System.out.println("line " + line + ": " + tempString);
if (line > 2) {
String actual_on_air_date = tempString.substring(1, 9);
String hard_start_flag = tempString.substring(9, 10);
String actual_on_air_time = tempString.substring(10, 21);
String material_id = tempString.substring(22, 54);
String segment_number = tempString.substring(55, 57);
String title = tempString.substring(58, 90);
String actual_duration = tempString.substring(91, 102);
String status = tempString.substring(103, 110);
String on_air_device = tempString.substring(111, 119);
String channel = tempString.substring(120, 123);
String event_type = tempString.substring(123, 130);
String secondary_type = tempString.substring(131, 135);
//					System.out.println(actual_on_air_date);
//					System.out.println(hard_start_flag);
//					System.out.println(actual_on_air_time);
//					System.out.println(material_id);
//					System.out.println(segment_number);
//					System.out.println(title);
//					System.out.println(actual_duration);
//					System.out.println(status);
//					System.out.println(on_air_device);
//					System.out.println(channel);
//					System.out.println(event_type);
//					System.out.println(secondary_type);
List<Object> list = new ArrayList<Object>();
list.add(actual_on_air_date);
list.add(hard_start_flag);
list.add(actual_on_air_time);
list.add(material_id);
list.add(segment_number);
list.add(title);
list.add(actual_duration);
list.add(status);
list.add(on_air_device);
list.add(channel);
list.add(event_type);
list.add(secondary_type);
marList.add(list);
}
//            	html += tempString;
line++;
}
reader.close();

if(marList.size() > 0){
AsRunService as = new AsRunService();
b = as.addAsRunLogBatch(marList);
if (b) {
System.out.println("add asrun log success...");
}else{
System.out.println("add asrun log failure...");
}
}

//            BufferedWriter output = new BufferedWriter(new FileWriter(new File(PropertiesUtils.getProperties("asrunbak")+"/123.txt")));
//            output.write(html);
//            output.close();

} catch (IOException e) {
e.printStackTrace();
b = false;
} finally {
if (reader != null) {
try {reader.close();} catch (IOException e1) { }
try {isr.close();} catch (IOException e1) { }
try {fis.close();} catch (IOException e1) { }
}
}
return b;
}

/**
* 文件保存
*
* @param file
*            要保存的文件
* @param path
*            保存的文件路径
* @param fileName
*            文件名称
* @return boolean
*/
public static boolean saveFile(File file, String path, String fileName) {
boolean b = false;
try {
String root = ServletActionContext.getRequest().getRealPath("/") + PropertiesUtils.getProperties("oao_media_path")+path;
//			String root = PropertiesUtils.getProperties("oao_media_path")+path;
System.out.println(root);
File f = new File(path);
if (!f.isDirectory()) {
f.mkdirs();
}
InputStream is = new FileInputStream(file);
File destFile = new File(root, fileName);
OutputStream os = new FileOutputStream(destFile);
byte[] buffer = new byte[1025];

int length = 0;
while ((length = is.read(buffer)) > 0) {
os.write(buffer, 0, length);
}
is.close();
os.close();
b = true;
} catch (Exception e) {
b = false;
// TODO Auto-generated catch block
e.printStackTrace();
}
return b;
}

/**
*
* 用FileWrite向文件写入内容
*
*
*
* @param _destFile
*
* @throws IOException
*/

public static void writeByFileWrite(String _sDestFile, String _sContent)

throws IOException {

FileWriter fw = null;

try {

fw = new FileWriter(_sDestFile);
fw.write(_sContent);

} catch (Exception ex) {

ex.printStackTrace();

} finally {

if (fw != null) {

fw.close();

fw = null;

}

}

}

/**
*
* 用FileOutputStream向文件写入内容
*
*
*
* @param _destFile
*
* @throws IOException
*/

public static void writeByFileOutputStream(String _sDestFile,

String _sContent) throws IOException {

FileOutputStream fos = null;

try {

fos = new FileOutputStream(_sDestFile);

fos.write(_sContent.getBytes());

} catch (Exception ex) {

ex.printStackTrace();

} finally {

if (fos != null) {

fos.close();

fos = null;

}

}

}

/**
*
* 用OutputStreamWrite向文件写入内容
*
*
*
* @param _destFile
*
* @throws IOException
*/

public static void writeByOutputStreamWrite(String _sDestFile,

String _sContent) throws IOException {

OutputStreamWriter os = null;

FileOutputStream fos = null;

try {

fos = new FileOutputStream(_sDestFile);

os = new OutputStreamWriter(fos, "UTF-8");

os.write(_sContent);

} catch (Exception ex) {

ex.printStackTrace();

} finally {

if (os != null) {

os.close();

os = null;

}

if (fos != null) {

fos.close();

fos = null;

}

}

}