我有一个像这样的XML文件
<data>
<columns>
<Brand index="5">Brand</Brand>
<BuyCurrency index="13">BuyCurrency</BuyCurrency>
<BuyPrice index="12">BuyPrice</BuyPrice>
<Category index="3">Category</Category>
<Id index="1">Id</Id>
<LeadTime index="16">LeadTime</LeadTime>
<MinOrderQuantity index="7">MinOrderQuantity</MinOrderQuantity>
<Name index="2">Name</Name>
<SellCurrency index="11">SellCurrency</SellCurrency>
<SellPrice index="10">SellPrice</SellPrice>
<StockOnHand index="14">StockOnHand</StockOnHand>
<StockOnOrder index="15">StockOnOrder</StockOnOrder>
<SubCategory index="4">SubCategory</SubCategory>
<Supplier index="6">Supplier</Supplier>
<TargetBatchVolume index="8">TargetBatchVolume</TargetBatchVolume>
<Volume index="9">Volume</Volume>
</columns>
<records>
<record index="1">
<Brand>StarTAC</Brand>
<BuyCurrency>GBP</BuyCurrency>
<BuyPrice>27.67</BuyPrice>
<Category>Technology</Category>
<Id>16342939</Id>
<LeadTime>15</LeadTime>
<MinOrderQuantity>1</MinOrderQuantity>
<Name>StarTAC Series</Name>
<SellCurrency>USD</SellCurrency>
<SellPrice>65.99</SellPrice>
<StockOnHand>15</StockOnHand>
<StockOnOrder>50</StockOnOrder>
<SubCategory>Telephones and Communication</SubCategory>
<Supplier>Office First</Supplier>
<TargetBatchVolume>0</TargetBatchVolume>
<Volume>0.8</Volume>
</record>
<record index="2">
<Brand>Xerox</Brand>
<BuyCurrency>CNY</BuyCurrency>
<BuyPrice>29.8</BuyPrice>
<Category>Office Supplies</Category>
<Id>16346727</Id>
<LeadTime>5</LeadTime>
<MinOrderQuantity>1</MinOrderQuantity>
<Name>Xerox 1984</Name>
<SellCurrency>USD</SellCurrency>
<SellPrice>6.48</SellPrice>
<StockOnHand>34</StockOnHand>
<StockOnOrder>1</StockOnOrder>
<SubCategory>Paper</SubCategory>
<Supplier>Drecom</Supplier>
<TargetBatchVolume>67.5</TargetBatchVolume>
<Volume>0.47</Volume>
</record>
<record index="3">
<Brand>Xerox</Brand>
<BuyCurrency>CNY</BuyCurrency>
<BuyPrice>219.54</BuyPrice>
<Category>Office Supplies</Category>
<Id>16346853</Id>
<LeadTime>10</LeadTime>
<MinOrderQuantity>1</MinOrderQuantity>
<Name>Xerox 1885</Name>
<SellCurrency>USD</SellCurrency>
<SellPrice>48.04</SellPrice>
<StockOnHand>16</StockOnHand>
<StockOnOrder>40</StockOnOrder>
<SubCategory>Paper</SubCategory>
<Supplier>Drecom</Supplier>
<TargetBatchVolume>67.5</TargetBatchVolume>
<Volume>0.55</Volume>
</record>
<record index="4">
<Brand>Elite</Brand>
<BuyCurrency>CNY</BuyCurrency>
<BuyPrice>34.12</BuyPrice>
<Category>Office Supplies</Category>
<Id>16350870</Id>
<LeadTime>12</LeadTime>
<MinOrderQuantity>1</MinOrderQuantity>
<Name>Elite 5 inch Scissors</Name>
<SellCurrency>USD</SellCurrency>
<SellPrice>8.45</SellPrice>
<StockOnHand>0</StockOnHand>
<StockOnOrder>3</StockOnOrder>
<SubCategory>Scissors, Rulers and Trimmers</SubCategory>
<Supplier>FHL</Supplier>
<TargetBatchVolume>0</TargetBatchVolume>
<Volume>0.85</Volume>
</record>
<record index="5">
<Brand>Wilson</Brand>
<BuyCurrency>CNY</BuyCurrency>
<BuyPrice>31.3</BuyPrice>
<Category>Office Supplies</Category>
<Id>16359070</Id>
<LeadTime>33</LeadTime>
<MinOrderQuantity>10</MinOrderQuantity>
<Name>Wilson Jones DublLock D-Ring Binders</Name>
<SellCurrency>USD</SellCurrency>
<SellPrice>6.75</SellPrice>
<StockOnHand>30</StockOnHand>
<StockOnOrder>0</StockOnOrder>
<SubCategory>Binders and Binder Accessories</SubCategory>
<Supplier>SuperSupply</Supplier>
<TargetBatchVolume>0</TargetBatchVolume>
<Volume>0.12</Volume>
</record>
<record index="6">
<Brand>MicroTAC</Brand>
<BuyCurrency>CNY</BuyCurrency>
<BuyPrice>261.48</BuyPrice>
<Category>Technology</Category>
<Id>16376266</Id>
<LeadTime>5</LeadTime>
<MinOrderQuantity>1</MinOrderQuantity>
<Name>MicroTAC 650</Name>
<SellCurrency>USD</SellCurrency>
<SellPrice>65.99</SellPrice>
<StockOnHand>5</StockOnHand>
<StockOnOrder>1</StockOnOrder>
<SubCategory>Telephones and Communication</SubCategory>
<Supplier>Drecom</Supplier>
<TargetBatchVolume>67.5</TargetBatchVolume>
<Volume>0.55</Volume>
</record>
然后我用DOM Parser解析它，它变成了：
import javax.xml.parsers.DocumentBuilderFactory;
import javax.swing.JTable;
import javax.xml.parsers.DocumentBuilder;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.w3c.dom.Node;
import org.w3c.dom.Element;
import java.util.*;
import java.io.File;
import java.util.ArrayList;
public class inventoryread {
public static void main(String argv[]) {
try {
File fXmlFile = new File("sample.xml");
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(fXmlFile);
doc.getDocumentElement().normalize();
System.out.println("Root element :" + doc.getDocumentElement().getNodeName());
NodeList nList = doc.getElementsByTagName("record");
System.out.println("----------------------------");
for (int temp = 0; temp < nList.getLength(); temp++) {
List<String> record = new ArrayList<>();
Node nNode = nList.item(temp);
System.out.println("\nCurrent Element :" + nNode.getNodeName());
if (nNode.getNodeType() == Node.ELEMENT_NODE) {
Element eElement = (Element) nNode;
System.out.println("record index " + eElement.getAttribute("index"));
System.out.println("Buy Currency : " + eElement.getElementsByTagName("BuyCurrency").item(0).getTextContent());
System.out.println("Buy Price : " + eElement.getElementsByTagName("BuyPrice").item(0).getTextContent());
System.out.println("Category : " + eElement.getElementsByTagName("Category").item(0).getTextContent());
System.out.println("Id : " + eElement.getElementsByTagName("Id").item(0).getTextContent());
System.out.println("LeadTime : " + eElement.getElementsByTagName("LeadTime").item(0).getTextContent());
System.out.println("MinOrderQuantity : " + eElement.getElementsByTagName("MinOrderQuantity").item(0).getTextContent());
System.out.println("Name : " + eElement.getElementsByTagName("Name").item(0).getTextContent());
System.out.println("SellCurrency : " + eElement.getElementsByTagName("SellCurrency").item(0).getTextContent());
System.out.println("SellPrice : " + eElement.getElementsByTagName("SellPrice").item(0).getTextContent());
System.out.println("StockOnHand : " + eElement.getElementsByTagName("StockOnHand").item(0).getTextContent());
System.out.println("StockOnOrder : " + eElement.getElementsByTagName("StockOnOrder").item(0).getTextContent());
System.out.println("SubCategory : " + eElement.getElementsByTagName("SubCategory").item(0).getTextContent());
System.out.println("Supplier : " + eElement.getElementsByTagName("Supplier").item(0).getTextContent());
System.out.println("TargetBatchVolume : " + eElement.getElementsByTagName("TargetBatchVolume").item(0).getTextContent());
System.out.println("Volume : " + eElement.getElementsByTagName("Volume").item(0).getTextContent());
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
现在我需要将数据转换为JTable，用户能够更改数据，我做了研究，完全陷入困境。有人请给我一些帮助和解决方案吗？
感谢!!!!
答案 0 :(得分：0)
将您的数据提取到String [] []数据，这将是您需要向用户显示的值，以及String [] columnName的列名，它们将是每列的名称。 第一种方法将创建JFrame，其中将显示您的表，如果您需要保存数据，则可以使用第二种方法来检索数据。
String [][] data = new String[][]{{"Test11", "Test12", "Test13", "Test14"},
{"Test21", "Test22", "Test23", "Test24"},
{"Test31", "Test32", "Test33", "Test34"}};
String[] columnName = new String[] {"Column1", "Column2", "Column3", "Column3"};
private void createDataTable(String[][] data, String[] columnName){
JFrame frame = new JFrame();
JScrollPane scrollPane = new JScrollPane();
JTable table = new JTable(data, columnName);
scrollPane.setViewportView(table);
frame.add(scrollPane);
frame.setSize(800, 800);
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setVisible(true);
}
public String[][] getTableData (JTable table) {
TableModel dtm = table.getModel();
int nRow = dtm.getRowCount(), nCol = dtm.getColumnCount();
String[][] tableData = new String[nRow][nCol];
for (int i = 0 ; i < nRow ; i++)
for (int j = 0 ; j < nCol ; j++)
tableData[i][j] = dtm.getValueAt(i,j).toString();
return tableData;
}