XML文件之创建

 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9 using System.IO;
10 using System.Xml;
11 
12 namespace xml创建_读写_修改 {
13     public partial class Form1 : Form {
14         public Form1() {
15             InitializeComponent();
16         }
17 
18        
19         private void button1_Click(object sender, EventArgs e) {
20             Create(System.Environment.CurrentDirectory + "\\test.xml");
21         }
22 
23 
24          public void Create(string xmlPath)
25          {   //创建XML文档对象
26              XmlDocument doc = new XmlDocument();
27              //创建根节点
28              XmlElement books;
29              if(File.Exists(xmlPath)) {
30                  //如果文件存在，加载XML
31                  doc.Load(xmlPath);
32                  //获得文件的根节点
33                  books = doc.DocumentElement;
34 
35              }
36              else {
37                  //如果文件不存在
38                  //创建第一行
39                  XmlDeclaration dec = doc.CreateXmlDeclaration("1.0", "utf-8", null);
40                  doc.AppendChild(dec);
41                  //创建根节点
42                  books = doc.CreateElement("Books");
43                  doc.AppendChild(books);
44              }
45              //给根节点Books创建子节点
46              XmlElement book1 = doc.CreateElement("Book");
47              //将Book添加到根节点
48              books.AppendChild(book1);
49 
50              //给book1添加子节点
51              XmlElement name1 = doc.CreateElement("Nmae");
52              name1.InnerText = "c#开发入门";
53              book1.AppendChild(name1);
54 
55              XmlElement price1 = doc.CreateElement("Price");
56              price1.InnerText = "20";
57              book1.AppendChild(price1);
58              doc.Save(xmlPath);
59          }
60     }
61 }