streamingAssetsPath 内文件读取

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public void Start(){       
    StartCoroutine(ontest());
    
}
IEnumerator ontest(){
    string persistentDataPath = Application.persistentDataPath +"/01.txt";
    Debug.Log(" persistentDataPath : "+persistentDataPath);
    if(!File.Exists(persistentDataPath)){
        string fileName  = Application.streamingAssetsPath + "/01.txt";
        Debug.Log("  fileName :"+fileName);
        if(File.Exists(fileName)){
            WWW www = new WWW(fileName);
            yield return www;
            if(!string.IsNullOrEmpty(www.error)){
                Debug.Log("==============load not error==========");
            }else{
                Debug.Log("=============load error==========");
                yield break;
            }
            if(www.isDone){
                Debug.Log("==============isDone==========");
                File.WriteAllBytes(persistentDataPath,www.bytes);
            }else{
                Debug.Log("==============not isDone==========");
            }
        }else{
            Debug.Log(fileName +" is not exists");
        }      
    }else{
        Debug.Log(persistentDataPath+" is exists");
    }
}

adb logcat -s Unity 打印的结果

StreamingAssets

android　如上无法用File.Exits(path) 判断文件是否存在(据说ios可以)

只能用www加载.

[csharp] view plaincopy

#if UNITY_ANDROID
IEnumerator Start()
{
string fullName = "jar:file://" + Application.dataPath + "!/assets/test.txt";
WWW www = new WWW(fullName);
yield return www;
//加载完成后处理，有点delay
print(www.text)
}
#else
void Start ()
{
//Windows处理
}
#endif

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