unity自带的UnityWebRequest提供了构成 HTTP 请求和处理 HTTP 响应。
构造函数:
public UnityWebRequest();
public UnityWebRequest(Uri uri);
public UnityWebRequest(string url);
public UnityWebRequest(Uri uri, string method);
public UnityWebRequest(string url, string method);
public UnityWebRequest(string url, string method, DownloadHandler downloadHandler, UploadHandler uploadHandler);
public UnityWebRequest(Uri uri, string method, DownloadHandler downloadHandler, UploadHandler uploadHandler);
简单的例子:
using FF = StarEngineTec.Generic.FormatFunc;
string url="";//请求地址
string jsonData="";//需要上传的json数据
IEnumerator UploadPost()
{
UnityWebRequest uwr = new UnityWebRequest(url, "POST");
uwr.uploadHandler = new UploadHandlerRaw(FF.StringToBytes(jsonData));
uwr.downloadHandler = new DownloadHandlerBuffer();
//如果有请求头,根据具体字段要求设置
uwr.SetRequestHeader("Content-Type", "application/json");
uwr.SetRequestHeader("app-version", "V1");
yield return uwr.SendWebRequest();
if (uwr.isHttpError || uwr.isNetworkError)
{
Debug.LogError("Login Error: " + uwr.error);
}
}
其他常用方法:
public static UnityWebRequest Post(Uri uri, Dictionary<string, string> formFields);
public static UnityWebRequest Post(Uri uri, WWWForm formData);
public static UnityWebRequest Post(string uri, WWWForm formData);
public static UnityWebRequest Post(Uri uri, string postData);
public static UnityWebRequest Post(string uri, string postData);
public static UnityWebRequest Post(string uri, Dictionary<string, string> formFields);
IEnumerator Upload(string str)
{
WWWForm form = new WWWForm();
form.AddField("data", str);
UnityWebRequest webRequest = UnityWebRequest.Post(url, form);
yield return webRequest.SendWebRequest();
if (webRequest.isHttpError || webRequest.isNetworkError)
Debug.Log(webRequest.error);
else
Debug.Log(webRequest.downloadHandler.text);
}
一般上传完数据会返回条消息,可以根据code值判断成功与否,以及请求失败的原因