<?xml version="1.0" encoding="utf-8" ?> <Employees> <Employee> <EmpId>1</EmpId> <Name>Sam</Name> <Sex>Male</Sex> <Phone Type="Home">423-555-0124</Phone> <Phone Type="Work">424-555-0545</Phone> <Address> <Street>7A Cox Street</Street> <City>Acampo</City> <State>CA</State> <Zip>95220</Zip> <Country>USA</Country> </Address> </Employee> <Employee> <EmpId>2</EmpId> <Name>Lucy</Name> <Sex>Female</Sex> <Phone Type="Home">143-555-0763</Phone> <Phone Type="Work">434-555-0567</Phone> <Address> <Street>Jess Bay</Street> <City>Alta</City> <State>CA</State> <Zip>95701</Zip> <Country>USA</Country> </Address> </Employee> </Employees>
使用LINQ读取XML文件
XDocument xdocument = XDocument.Load("Employees.xml"); IEnumerable<XElement> employees = xdocument.Root.Elements(); foreach (var employee in employees) { Console.WriteLine(employee); }
访问单个元素
XElement xelement = XElement.Load("Employees.xml"); IEnumerable<XElement> employees = xelement.Root.Elements(); Console.WriteLine("所有员工姓名列表:"); foreach (var employee in employees) { Console.WriteLine(employee.Element("Name").Value); }
访问多个元素
XElement xelement = XElement.Load("Employees.xml"); IEnumerable<XElement> employees = xelement.Root.Elements(); Console.WriteLine("所有员工姓名及其ID的列表:"); foreach (var employee in employees) { Console.WriteLine("{0} has Employee ID {1}", employee.Element("Name").Value, employee.Element("EmpId").Value); }
访问具有特定属性的所有元素
XElement xelement = XElement.Load("Employees.xml"); var name = from nm in xelement.Root.Elements("Employee") where (string)nm.Element("Sex") == "Female" select nm; Console.WriteLine("女员工的详细信息:"); foreach (XElement xEle in name) Console.WriteLine(xEle);
访问具有特定属性的特定元素
XElement xelement = XElement.Load("..\\..\\Employees.xml"); var homePhone = from phoneno in xelement.Root.Elements("Employee") where (string)phoneno.Element("Phone").Attribute("Type") == "Home" select phoneno; Console.WriteLine("列出家庭号码"); foreach (XElement xEle in homePhone) { Console.WriteLine(xEle.Element("Phone").Value); }