Android中XmlSerializer產生xml檔案

例1

代碼如下

複製代碼

try {   File f = new File(getExternalCacheDir().getAbsolutePath()+"my.xml"); OutputStream outPut = new FileOutputStream(f);    XmlSerializer serializer=Xml.newSerializer();     serializer.setOutput(outPut, "utf-8");         serializer.startDocument("utf-8", true);     serializer.startTag(null, "companys");         for(String[] s:taxiCompany)     {        serializer.startTag(null, DBUtil.TAXI_TABLE);              serializer.attribute(null, DBUtil.KEY_PROVINCE, s[0]);        serializer.attribute(null, DBUtil.KEY_CITYNAME, s[1]);       serializer.attribute(null, DBUtil.KEY_NAME, s[2]);        serializer.attribute(null, DBUtil.KEY_TELE, s[3]);                serializer.endTag(null, DBUtil.TAXI_TABLE);     }         serializer.endTag(null, "companys");     serializer.endDocument();     outPut.close();   } catch (IOException e) {    // TODO Auto-generated catch block    e.printStackTrace();   }

執行個體2

代碼如下

複製代碼

private static void XmlFileCreator(List<JokeBean> data){         File newxmlfile = new File(Environment.getExternalStorageDirectory()+"/new.xml");         try{             if(!newxmlfile.exists())                 newxmlfile.createNewFile();         }catch(IOException e){             Log.e("IOException", "exception in createNewFile() method");         }         //we have to bind the new file with a FileOutputStream         FileOutputStream fileos = null;                try{             fileos = new FileOutputStream(newxmlfile);         }catch(FileNotFoundException e){             Log.e("FileNotFoundException", "can't create FileOutputStream");         }         //we create a XmlSerializer in order to write xml data         XmlSerializer serializer = Xml.newSerializer();         try {             //we set the FileOutputStream as output for the serializer, using UTF-8 encoding             serializer.setOutput(fileos, "UTF-8");             //Write <?xml declaration with encoding (if encoding not null) and standalone flag (if standalone not null)             serializer.startDocument(null, Boolean.valueOf(true));             //set indentation option             serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);           //start a tag called "root"             serializer.startTag(null, "jokes");             for(JokeBean joke:data){                 serializer.startTag(null, "joke");                 //i indent code just to have a view similar to xml-tree                 serializer.startTag(null, "id");                 serializer.text(joke.getId());                 serializer.endTag(null, "id");                                                    serializer.startTag(null, "title");                 serializer.text(joke.getTitle());                 //set an attribute called "attribute" with a "value" for <child2>                 //serializer.attribute(null, "attribute", "value");                 serializer.endTag(null, "title");                 serializer.startTag(null, "text");                 //write some text inside <text>                 serializer.text(joke.getText());                 serializer.endTag(null, "text");                                                    serializer.endTag(null, "joke");             }             serializer.endTag(null, "jokes");             serializer.endDocument();             //write xml data into the FileOutputStream             serializer.flush();             //finally we close the file stream             fileos.close();         } catch (Exception e) {             Log.e("Exception","error occurred while creating xml file");         }     }