[英]How Can I convert a tilde separated csv file into xml in java
1RW~800~4~22~1~48:2~true
1RW~800~16~39~1~48:2~true
1RW~800~640~330~1~48:2~true
1RW~800~40~124~1~48:2~true
這是我的 csv 文件文本,我想閱讀它並將每個值放在由 ~ 分隔的行中,放入不同的 xml 元素中。 我將遍歷這個並形成 4 個不同的 xml
您可以使用OpenCSV ( 此處的簡短教程)讀取您的 CSV 文件並將其寫入 XML 。
這是使用上述技術可以完成的一種方法
// create the CSVReader
CSVReader reader = new CSVReader(new FileReader("yourfile.csv"), '~');
// create the DocumentBuilder which will create our xml documents
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
// create the transoformer which will make the xml ready for storing
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
// loop through the 4 rows
for (int i = 0; i < 4; i++) {
// read one row from the csv
String [] line = reader.readNext()
// create an xml document
Document doc = docBuilder.newDocument();
Element rootElement = doc.createElement("data-"+i);
doc.appendChild(rootElement);
// iterate over the entries in the row
for (String s : line) {
Element element = doc.createElement("element");
element.appendChild(doc.createTextNode(s));
rootElement.appendChild(element);
}
// finally save it:
DOMSource source = new DOMSource(doc);
StreamResult result = new StreamResult(new File("file_"+i+".xml"));
transformer.transform(source, result);
System.out.println("File " + i + " saved!");
}
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