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1.创建玩家登陆界面UI

2.点击注册按钮进入注册界面

3.注册的玩家信息会被保存到PlayerInfo.json文件中

4.输入玩家信息如果用户名或密码出错会提示用户信息错误，并不执行加载

5.输入正确的信息才能加载到LoadScene场景中

6.加载结束后即可进入游戏画面

代码如下:

1.创建一个玩家信息类

[Serializable]//让玩家信息类可序列化和反序列化

public class PlayerInfo {

    public string userName;

    public string userPassword;

}

2.将游戏场景打包成AssetBundle资源

public class BuildAsset : MonoBehaviour {

    [MenuItem("AssetBundle/Build")]

    public static void Build() {

        BuildPipeline.BuildAssetBundles(Application.dataPath + "/AssetBundle",BuildAssetBundleOptions.None,BuildTarget.StandaloneWindows);

    }

}

3.UI控制脚本

public class UI_Manager : MonoBehaviour, IPointerClickHandler

{

    public PlayerInfo playerInfo;

    public InputField userName;

    public InputField userPassword;

    public GameObject error;

    public GameObject register;

    public WWW www;

    public void OnPointerClick(PointerEventData eventData)

    {

        switch (this.name) {

            case "Register":

                Register();

                break;

            case "Confirm":

                Save();

                break;

            case "Login":

                Load();

                break;

            case "Cancel":

                Cancel();

                break;

            case "Exit":

                Exit();

                break;

        }

    }

    private void Start()

    {

        if (this.name == "Load") {

            Loading();

        }

    }

    private void Update()

    {

        if (this.name == "Load") {

            GetComponent<Slider>().value = www.progress;

        }

    }

    public void Exit() {

        EditorApplication.isPlaying = false;

    }

    public void Cancel() {

        Destroy(register);

    }

    public void Loading() {

        StartCoroutine(DownLoadAB());

    }

    public IEnumerator DownLoadAB() {

        www = new WWW("file://" + Application.dataPath + "/AssetBundle/scene-bundle");

        yield return www;

        AssetBundle ab = www.assetBundle;

        SceneManager.LoadScene("DemoScene");

    }

    public void Load()

    {

        string[] s = File.ReadAllLines(Application.dataPath + "/JsonFiles/PlayerInfo.json");

        for (int i=0;i<s.Length;i++) {

            playerInfo = JsonUtility.FromJson<PlayerInfo>(s[i]);

            if (userName.text == playerInfo.userName && userPassword.text == playerInfo.userPassword) {

                SceneManager.LoadScene("LoadScene");

                return;

            }

        }

        error.SetActive(true);

    }

    public void Save()

    {

        playerInfo.userName = userName.text;

        playerInfo.userPassword = userPassword.text;

        if (playerInfo.userName != "" && playerInfo.userPassword != "") {

            string s = JsonUtility.ToJson(playerInfo) + "\r\n";

            File.AppendAllText(Application.dataPath + "/JsonFiles/PlayerInfo.json", s);

            Destroy(register);

            return;

        }

        error.SetActive(true);

    }

    public void Register() {

        Instantiate(register);

    }

}

巴特西

Unity进阶：用AssetBundle和Json做了一个玩家登陆界面

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