1 /* HttpRequestTest.cs
2 * 采用C#的WebClinet类下载数据，多线程，但需要在主线程里转成texture。
3 */
4 using System;
5 using System.Text;
6 using System.Net;
7 using UnityEngine;
8
9 public enum RequestType
10 {
11 Text,
12 Image
13 }
14
15 public interface IHttpRequest
16 {
17 void CaptureRequestData(int requestTag, string requestData);
18 void CaptureRequestTexture(int requestTag, byte[] texture);
19 void LostRequestData(int requestTag, string requestData);
20 }
21
22 public class HttpRequestInfo
23 {
24 public IHttpRequest httpRequest;
25 public RequestType requestType;
26 public int requestTag;
27
28 public HttpRequestInfo (IHttpRequest httpRequest, RequestType requestType, int requestTag)
29 {
30 this.httpRequest = httpRequest;
31 this.requestType = requestType;
32 this.requestTag = requestTag;
33 }
34 }
35
36 public class HttpRequestTest : MonoBehaviour
37 {
38 public static HttpRequestTest inst = null;
39
40 void Awake()
41 {
42 inst = this;
43 }
44
45 public void DownloadData(IHttpRequest httpRequest, RequestType requestType, string httpUrl, int requestTag)
46 {
47 WebClient webClient = new WebClient();
48 webClient.DownloadDataCompleted += DownloadDataCompletedCallback;
49 webClient.DownloadDataAsync(new Uri(httpUrl), new HttpRequestInfo(httpRequest, requestType, requestTag));
50 }
51
52 private void DownloadDataCompletedCallback(object sender, DownloadDataCompletedEventArgs args)
53 {
54 HttpRequestInfo httpRequestInfo = args.UserState as HttpRequestInfo;
55 if(!args.Cancelled && args.Error == null)
56 {
57 if(httpRequestInfo.requestType == RequestType.Text)
58 {
59 httpRequestInfo.httpRequest.CaptureRequestData(httpRequestInfo.requestTag, Encoding.UTF8.GetString(args.Result));
60 }
61 else if(httpRequestInfo.requestType == RequestType.Image)
62 {
63 httpRequestInfo.httpRequest.CaptureRequestTexture(httpRequestInfo.requestTag, args.Result);
64 }
65 }
66 else
67 {
68 string requestError = args.Error.Message;
69 httpRequestInfo.httpRequest.LostRequestData(httpRequestInfo.requestTag, requestError);
70 }
71 }
72
73 }
74
75
76
77 /* HttpRequestTestNew.cs
78 * 方便直接，但不是多线程，因此能得到texture。
79 */
80 using UnityEngine;
81 using System.Collections;
82
83 public enum RequestType
84 {
85 Text,
86 Image
87 }
88
89 public interface IHttpRequest
90 {
91 void CaptureRequestData(int requestTag, string requestData);
92 void CaptureRequestTexture(int requestTag, Texture texture);
93 void LostRequestData(int requestTag, string requestData);
94 }
95
96 public class HttpRequestTestNew : MonoBehaviour
97 {
98 public static HttpRequestTestNew inst = null;
99
100 void Awake()
101 {
102 inst = this;
103 }
104
105 public void DownloadData(IHttpRequest httpRequest, RequestType requestType, string httpUrl, int requestTag)
106 {
107 WWW www = new WWW(httpUrl);
108 StartCoroutine(DownloadCoroutine(www, httpRequest, requestType, requestTag));
109 }
110
111 private IEnumerator DownloadCoroutine(WWW www, IHttpRequest httpRequest, RequestType requestType, int requestTag)
112 {
113 yield return www;
114 if(!string.IsNullOrEmpty(www.error))
115 {
116 Debug.LogError("www is error!");
117 httpRequest.LostRequestData(requestTag, www.error);
118 }
119 else
120 {
121 switch(requestType)
122 {
123 case RequestType.Text:
124 httpRequest.CaptureRequestData(requestTag, www.text);
125 break;
126 case RequestType.Image:
127 httpRequest.CaptureRequestTexture(requestTag, www.texture);
128 break;
129 }
130 }
131 if(www.isDone)
132 www.Dispose();
133 }
134 }
Unity数据下载
时间： 2024-10-07 00:42:29