做後臺開發,或多或少做過集成,集成最重要的就是對數據的跟蹤,日誌定位分析。我們常會跟蹤發放的數據是否正確,這裏就涉及到將數據格式化寫文件的場景。
public static String json2Xml(String jsonStr) throws DocumentException {
XMLSerializer xmlSerializer = new XMLSerializer();
xmlSerializer.setTypeHintsEnabled(false);
xmlSerializer.setRootName("root");
String sXml = "";
String sContent = "";
if (StringUtils.isNotBlank(jsonStr)) {
try {
if (jsonStr.contains("[{") && jsonStr.contains("}]")) {
net.sf.json.JSONArray jobj = net.sf.json.JSONArray.fromObject(jsonStr);
sContent = xmlSerializer.write(jobj);
}else {
JSONObject jobj = JSONObject.fromObject(jsonStr);
sContent = xmlSerializer.write(jobj);
}
Document docCon = DocumentHelper.parseText(sContent);
sContent =docCon.getRootElement().asXML().replaceAll("<e>", "").replaceAll("</e>", "");
sXml = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>"+sContent;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
return sXml;
}
然後寫入文件即可
org.apache.commons.io.FileUtils.writeStringToFile(dataFile, json2Xml(data), “UTF-8”);