Unity3D WWW发布数据异步 [英] Unity3D WWW Post data async

问题描述

我想使用WWW类将JSON发布到网站，但是我从服务器得到以下答案:同步问题".有没有一种方法可以从同步更改为异步?谢谢

I want to post a JSON to a website using the WWW class, But I get this answer from the server: "Synchronization problem.". Is there a way to change from sync to async? Thank You

推荐答案

您可以在协程中运行WWW作业(WWW很好地支持了这一点):

You can run your WWW job in a coroutine (WWW supports this well):

using UnityEngine;

public class PostJSON : MonoBehaviour {

    void Start () {

        string url = "http://your_url_endpoint";

        WWWForm form = new WWWForm();
        Hashtable headers = form.headers;
        headers["Content-Type"] = "application/json";
        Hashtable data = new Hashtable();
        data["message"] = "a sample message sent to service as json";
        string json = JSON.JsonEncode(data);

        byte[] bytes = Encoding.UTF8.GetBytes(json);
        WWW www = new WWW(url, bytes, headers);

        StartCoroutine(WaitForRequest(www));
    }

    IEnumerator WaitForRequest(WWW www)
    {
        yield return www

        // check for errors
        if (www.error == null)
        {
            Debug.Log("WWW Ok!: " + www.data);
        } else {
            Debug.Log("WWW Error: "+ www.error);
        }    
    }    
}

这里有一个正在运行的项目，我用来与基于json的REST服务KiiCloud对话:

Here you have a running project which I use to talk to a json based REST service called KiiCloud:

http://blog.kii.com/?p=2939

HTH

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