//www
// 功能:
// 掛載對象:
//注意:
using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEditor;
using System.IO;
public class DownloadimageScript : MonoBehaviour
{
// 顯示下載好的圖片
public Image m_image;
//const 防止下面修改
private const string m_image_URL = "http://www.33lc.com/article/UploadPic/2012-9/201291314425876155.jpg";
private string m_imagePath;
void Start ()
{
// 如果這張圖片存在 直接去本地拿 如果不存在就去下載 下載完后保存到本地 這樣下次就能直接用
m_imagePath = Application.dataPath + "/Resources/NetPicture.jpg";
// 開啟協(xié)程去本地拿圖片
StartCoroutine (LoadPictureFromLocal ());
}
//優(yōu)先加載本地資源 讀取較快 沒有的話在去網(wǎng)上下載
IEnumerator LoadPictureFromLocal ()
{
if (File.Exists (m_imagePath)) {
Debug.Log ("圖片已經(jīng)存在");
// 直接加載本地圖片資源
Texture2D texture = (Texture2D)Resources.Load ("NetPicture", typeof(Texture2D));
// 創(chuàng)建sprite
Sprite m_sprte = Sprite.Create (texture, new Rect (0, 0, texture.width, texture.height), new Vector2 (0.5f, 0.5f));
m_image.sprite = m_sprte;
} else {
Debug.Log ("圖片文件開始下載");
StartCoroutine (PictureDownloding (m_image_URL));
}
yield return new WaitForSeconds (2f);
AssetDatabase.Refresh ();// 需要引用unityEditor ?來解決Project 不顯示下載好的圖片
//使用協(xié)程來解決本地沒有圖片時下載完后game不顯示圖片
if (m_image.sprite != null) {
StopCoroutine (LoadPictureFromLocal ());
} else {
StartCoroutine (LoadPictureFromLocal ());
}
}
//根據(jù)URL下載圖片并加載
IEnumerator PictureDownloding (string url)
{
// 方式1
WWW www = new WWW (url);
while (www.isDone == false) {
print ("下載圖片中" + www.progress);
yield return null;
}
yield return www;
if (www.texture != null && string.IsNullOrEmpty (www.error)) {
print ("正在寫入本地圖片");
byte[] pngData = www.texture.EncodeToPNG ();
File.WriteAllBytes (m_imagePath, pngData);
}
}
}
//UnityWebRequest
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;
public class SendMessageToFlask : MonoBehaviour {
? ? public Texture2D texture;
? ? public RawImage rawImage;
void Start () {
? ? ? ? //StartCoroutine(Get());
? ? ? ? StartCoroutine(ImagePost());
? ? }
? ? IEnumerator Get()
? ? {
? ? ? // string url = "http://192.168.6.2:5656/info/?name=zhang&age=18";
? ? ? ? string url = "http://8.129.176.192:5656/";
? ? ? ? UnityWebRequest webRequest = UnityWebRequest.Get(url);
? ? ? ? yield return webRequest.Send();
? ? ? ? if (webRequest.isError)
? ? ? ? ? ? Debug.Log(webRequest.error);
? ? ? ? else
? ? ? ? {
? ? ? ? ? ? Debug.Log(webRequest.downloadHandler.text);
? ? ? ? }
? ? }
? ? IEnumerator ImagePost()
? ? {
? ? ? ? string url = "http://192.168.6.2:5656/receive_image_bytes/";
? ? ? ? //string url = "http://39.108.165.190:5000/receive_image_bytes/";
? ? ? ? yield return new WaitForEndOfFrame();
? ? ? ? WWWForm form = new WWWForm();
? ? ? ? byte[] imagebytes = texture.EncodeToJPG(50);//轉(zhuǎn)化為jpg圖,可以壓縮20倍左右
? ? ? ? //form.AddBinaryData("file", imagebytes,? + ",file:" + fileName, "image/png");
? ? ? ? //添加文件（輸入對象的名字、二進制數(shù)組、文件對象類型）
? ? ? ? form.AddField("project", "flask01");?
? ? ? ? form.AddField("img_name", "flask01.jpg");
? ? ? ? form.AddBinaryData("file", imagebytes,"image/jpg");
? ? ? ? UnityWebRequest webRequest = UnityWebRequest.Post(url, form);
? ? ? ? yield return webRequest.Send();
? ? ? ? if (webRequest.isError)
? ? ? ? ? ? Debug.Log(webRequest.error);
? ? ? ? else
? ? ? ? {
? ? ? ? ? ? Debug.Log(webRequest.downloadHandler.text);
? ? ? ? ? ? StartCoroutine(LoadImageFromFlask(webRequest.downloadHandler.text));
? ? ? ? ? ? //StartCoroutine(PictureDownloding(webRequest.downloadHandler.text));
? ? ? ? }
? ? }
? ? /// <summary>
? ? /// -----UnityWebRequest-----
? ? /// 請求網(wǎng)絡(luò)圖片 根據(jù)URL下載圖片
? ? /// </summary>
? ? /// <param name="url"></param>
? ? /// <returns></returns>
? ? IEnumerator LoadImageFromFlask(string url) {
? ? ? ? yield return new WaitForEndOfFrame();
? ? ? ? UnityWebRequest webRequest = new UnityWebRequest(url);
? ? ? ? DownloadHandlerTexture downloadTexture = new DownloadHandlerTexture(true);
? ? ? ? webRequest.downloadHandler = downloadTexture;
? ? ? ? yield return webRequest.Send();
? ? ? ? //int width = 300;
? ? ? ? //int high = 300;
? ? ? ? //Texture2D texture = new Texture2D(width, high);
? ? ? ? if (!(webRequest.isError))
? ? ? ? {
? ? ? ? ? ? //texture = downloadTexture.texture;
? ? ? ? ? ? rawImage.texture= downloadTexture.texture;
? ? ? ? }
? ? }
? ? /// <summary>
? ? /// -----WWW------
? ? /// 請求網(wǎng)絡(luò)圖片 根據(jù)URL下載圖片
? ? /// </summary>
? ? /// <param name="url"></param>
? ? /// <returns></returns>
? ? IEnumerator PictureDownloding(string url)
? ? {
? ? ? ? WWW www = new WWW(url);
? ? ? ? while (www.isDone == false)
? ? ? ? {
? ? ? ? ? ? print("下載圖片中" + www.progress);
? ? ? ? ? ? yield return null;
? ? ? ? }
yield return www;
? ? ? ? if (www.texture != null && string.IsNullOrEmpty(www.error))
? ? ? ? {
? ? ? ? ? ? string myjson = www.text;
? ? ? ? ? ? print("正在寫入本地圖片");
? ? ? ? ? ? byte[] pngData = www.texture.EncodeToPNG();
? ? ? ? ? string m_imagePath = Application.dataPath + "/Resources/NetPicture.jpg";
? ? ? ? ? ? File.WriteAllBytes(m_imagePath, pngData);
? ? ? ? }
? ? }
? ? IEnumerator Post()
? ? {
? ? ? ? WWWForm form = new WWWForm();
? ? ? ? //鍵值對
? ? ? ? form.AddField("key", "value");
? ? ? ? form.AddField("name", "mafanwei");
? ? ? ? form.AddField("blog", "qwe25878");
? ? ? ? UnityWebRequest webRequest = UnityWebRequest.Post("http://www.baidu.com", form);
? ? ? ? yield return webRequest.Send();
? ? ? ? if (webRequest.isError)
? ? ? ? ? ? Debug.Log(webRequest.error);
? ? ? ? else
? ? ? ? {
? ? ? ? ? ? Debug.Log(webRequest.downloadHandler.text);
? ? ? ? }
? ? }
}
