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Xml序列化
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- xml序列化
- 實現思路 通過程序生成一個xml文件來備份手機短信. 先獲取手機短信的內容 —>通過xml備份.
- StringBuffer 代碼如下
public void click(View view) {StringBuffer sb =
new StringBuffer();sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
);sb.append("<SMSS>"
);for (SMSbean list : mLists) {sb.append("<SMS>"
);sb.append("<address>"
);sb.append(list.getAddress());sb.append("</address>"
);sb.append("<body>"
);sb.append(list.getBody());sb.append("</body>"
);sb.append("<date>"
);sb.append(list.getDate());sb.append("</date>"
);sb.append("</SMS>"
);}sb.append("<SMSS>"
);try {String s =
sb.toString();
// Log.d(TAG, "click: "+s);String path =
Environment.getExternalStorageDirectory().getAbsolutePath();Log.d(TAG, "click: " +
path);File file =
new File(Environment.getExternalStorageDirectory().getAbsolutePath(), "Config.xml"
);FileOutputStream fos =
new FileOutputStream(file);fos.write(s.getBytes());fos.close();Toast.makeText(this, "保存成功"
, Toast.LENGTH_SHORT).show();} catch (IOException e) {e.printStackTrace();Toast.makeText(this, "保存失敗"
, Toast.LENGTH_SHORT).show();}} ?
? -
- 通過官方提供序列化類實現xml序列化(通過程序生成一個xml)
public void click1(View view) {try {XmlSerializer serializer =
Xml.newSerializer();File file =
new File(getFilesDir().getPath(), "ConfigCopy.xml"
);String path =
getFilesDir().getPath();Log.d(TAG, "click1: " +
path);FileOutputStream fos =
new FileOutputStream(file);serializer.setOutput(fos, "utf-8"
);serializer.startDocument("utf-8",
true);serializer.startTag(null, "smss"
);for (
int i = 0; i < mLists.size(); i++
) {serializer.startTag(null, "sms"
);serializer.startTag(null, "address"
);serializer.text(mLists.get(i).getAddress());serializer.endTag(null, "address"
);serializer.startTag(null, "body"
);serializer.text(mLists.get(i).getBody());serializer.endTag(null, "body"
);serializer.startTag(null, "date"
);serializer.text(mLists.get(i).getDate());serializer.endTag(null, "date"
);serializer.endTag(null, "sms"
);}serializer.endTag(null, "smss"
);serializer.endDocument();fos.close();Toast.makeText(this, "保存成功"
, Toast.LENGTH_SHORT).show();} catch (IOException e) {e.printStackTrace();Toast.makeText(this, "保存失敗"
, Toast.LENGTH_SHORT).show();}} ?
?
轉載于:https://www.cnblogs.com/nangongyibin/p/10200050.html
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