using System;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Activation;
using System.ServiceModel.Web;
using System.Collections.Generic;
using System.Text;
using System.IO;
/// <summary> /// 提供 REST 服务的类 /// 注：Silverlight只支持 GET 和 POST /// </summary> [ServiceContract]
[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
public class REST
{
/// <summary> /// 用于演示返回 JSON（对象） 的 REST 服务 /// </summary> /// <param name="name"></param> /// <returns></returns> [OperationContract]
[WebGet(UriTemplate =
"User/{name}/json", ResponseFormat = WebMessageFormat.Json)]
public User HelloJson(
string name)
{
return new User { Name = name, DayOfBirth =
new DateTime(1980, 2, 14) };
}
/// <summary> /// 用于演示返回 JSON（集合） 的 REST 服务 /// </summary> /// <returns></returns> [OperationContract]
[WebGet(UriTemplate =
"Users/json", ResponseFormat = WebMessageFormat.Json)]
public List<User> HelloJson2()
{
return new List<User>
{
new User(){ Name =
"webabcd01", DayOfBirth =
new DateTime(1980, 1, 1) },
new User(){ Name =
"webabcd02", DayOfBirth =
new DateTime(1980, 2, 2) },
new User(){ Name =
"webabcd03", DayOfBirth =
new DateTime(1980, 3, 3) },
};
}
/// <summary> /// 用于演示返回 XML（对象） 的 REST 服务 /// </summary> /// <param name="name"></param> /// <returns></returns> [OperationContract]
[WebGet(UriTemplate =
"User/{name}/xml", ResponseFormat = WebMessageFormat.Xml)]
public User HelloXml(
string name)
{
return new User { Name = name, DayOfBirth =
new DateTime(1980, 2, 14) };
}
/// <summary> /// 用于演示返回 XML（集合） 的 REST 服务 /// </summary> /// <returns></returns> [OperationContract]
[WebGet(UriTemplate =
"Users/xml", ResponseFormat = WebMessageFormat.Xml)]
public List<User> HelloXml2()
{
return new List<User>
{
new User(){ Name =
"webabcd01", DayOfBirth =
new DateTime(1980, 1, 1) },
new User(){ Name =
"webabcd02", DayOfBirth =
new DateTime(1980, 2, 2) },
new User(){ Name =
"webabcd03", DayOfBirth =
new DateTime(1980, 3, 3) },
};
}
/// <summary> /// 用于演示以字符串的形式上传数据的 REST 服务 /// </summary> /// <param name="fileName">上传的文件名</param> /// <param name="stream">POST 过来的数据</param> /// <returns></returns> [OperationContract]
[WebInvoke(UriTemplate =
"UploadString/?fileName={fileName}", Method =
"POST", ResponseFormat = WebMessageFormat.Json)]
public bool UploadString(
string fileName, Stream stream)
{
// 文件的服务端保存路径 string path = Path.Combine("C:\\", fileName);
try {
using (StreamReader sr =
new StreamReader(stream))
{
// 将 POST 过来的被 Base64 编码过字符串传换成 byte[] byte[] buffer = Convert.FromBase64String(sr.ReadToEnd());
using (FileStream fs =
new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None))
{
// 将文件写入到服务端 fs.Write(buffer, 0, buffer.Length);
}
}
return true;
}
catch {
return false;
}
}
/// <summary> /// 用于演示以流的形式上传数据的 REST 服务 /// </summary> /// <param name="fileName">上传的文件名</param> /// <param name="stream">POST 过来的数据（流的方式）</param> /// <returns></returns> [OperationContract]
[WebInvoke(UriTemplate =
"UploadStream/?fileName={fileName}", Method =
"POST", ResponseFormat = WebMessageFormat.Json)]
public bool UploadStream(
string fileName, Stream stream)
{
// 文件的服务端保存路径 string path = Path.Combine("C:\\", fileName);
try {
using (FileStream fs =
new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None))
{
byte[] buffer =
new byte[4096];
int count = 0;
// 每 POST 过来 4096 字节的数据，往服务端写一次 while ((count = stream.Read(buffer, 0, buffer.Length)) > 0)
{
fs.Write(buffer, 0, count);
}
}
return true;
}
catch {
return false;
}
}
}
