UnityWebRequest.Get

参数

返回

UnityWebRequest 从 uri 检索数据的对象。

描述

为 HTTP GET 创建 UnityWebRequest。

使用该方法创建一个 UnityWebRequest。使用 string 或 Uri 参数将目标 URL 设置为 uri。未设置自定义标志或标头。

using UnityEngine;
using UnityEngine.Networking;
using System.Collections;

// UnityWebRequest.Get example

// Access a website and use UnityWebRequest.Get to download a page.
// Also try to download a non-existing page. Display the error.

public class Example : MonoBehaviour
{
    void Start()
    {
        // A correct website page.
        StartCoroutine(GetRequest("https://www.example.com"));

        // A non-existing page.
        StartCoroutine(GetRequest("https://error.html"));
    }

    IEnumerator GetRequest(string uri)
    {
        using (UnityWebRequest webRequest = UnityWebRequest.Get(uri))
        {
            // Request and wait for the desired page.
            yield return webRequest.SendWebRequest();

            string[] pages = uri.Split('/');
            int page = pages.Length - 1;

            switch (webRequest.result)
            {
                case UnityWebRequest.Result.ConnectionError:
                case UnityWebRequest.Result.DataProcessingError:
                    Debug.LogError(pages[page] + ": Error: " + webRequest.error);
                    break;
                case UnityWebRequest.Result.ProtocolError:
                    Debug.LogError(pages[page] + ": HTTP Error: " + webRequest.error);
                    break;
                case UnityWebRequest.Result.Success:
                    Debug.Log(pages[page] + ":\nReceived: " + webRequest.downloadHandler.text);
                    break;
            }
        }
    }
}