Unity 登录注册功能的实现（PlayerPrefs）

  1 using UnityEngine;
  2 using UnityEngine.UI;
  3 
  4 /// <summary>
  5 /// 登录/注册
  6 /// </summary>
  7 public class SignIn_Up : MonoBehaviour
  8 {
  9     // 登录成功页面
 10     public GameObject signSucceed;
 11 
 12     // 注册页面
 13     public GameObject signUp;
 14     public InputField upUserName;
 15     public InputField upPassword;
 16     public InputField passwordAgain;
 17     public Text upTips;
 18 
 19     // 登录页面
 20     public GameObject signIn;
 21     public InputField inUserName;
 22     public InputField inPassword;
 23     public Text inTips;
 24 
 25     bool didSignedUp = false;
 26     bool didSignedIn = false;
 27 
 28     void Update()
 29     {
 30         if (didSignedUp)
 31         {
 32             didSignedUp = false;
 33             upTips.text = "注册成功，请返回到登录页面登录！";
 34             Debug.Log("注册成功，跳转到登录页面");
 35         }
 36         if (didSignedIn)
 37         {
 38             didSignedIn = false;
 39             Debug.Log("登录成功，跳转到登录成功页面");
 40             signSucceed.SetActive(true);
 41             signIn.SetActive(false);
 42         }
 43     }
 44 
 45     public void OnBackClicked() // 注册页面返回按钮
 46     {
 47         signIn.SetActive(true);
 48         signUp.SetActive(false);
 49     }
 50 
 51     public void OnUpSignUpClicked() // 注册页面注册按钮
 52     {
 53         var pass = passwordAgain.text.Trim();
 54 
 55         if (!upPassword.text.Trim().Equals(pass))
 56         {
 57             upTips.text = "两次输入的密码不一致，请重新输入！";
 58             return;
 59         }
 60         else if (upUserName.text.Trim() == "" || upPassword.text.Trim() == "" || pass == "")
 61         {
 62             upTips.text = "用户名密码不能为空，请重新输入！";
 63             return;
 64         }
 65         else
 66         {
 67             PlayerPrefs.SetString(upUserName.text, upPassword.text); // 以用户名为键名进行存储
 68             Debug.Log("用户名：" + upUserName.text);
 69             Debug.Log("密码：" + upPassword.text);
 70             OnBackClicked();
 71         }
 72     }
 73 
 74     public void OnSignInClicked() // 登录页面登录按钮
 75     {
 76         if (inUserName.text.Trim() == "" || inPassword.text.Trim() == "")
 77         {
 78             inTips.text = "用户名密码不能为空，请重新输入！";
 79         }
 80         else if (PlayerPrefs.GetString(inUserName.text.Trim()) == null)
 81         {
 82             inTips.text = "用户不存在！请注册后再登录！";
 83         }
 84         else if (PlayerPrefs.GetString(inUserName.text.Trim()) != inPassword.text.Trim())
 85         {
 86             inTips.text = "用户密码错误，请重新输入！";
 87         }
 88         else
 89         {
 90             didSignedIn = true;
 91         }
 92     }
 93 
 94     public void OnInSignUpClicked() // 登录页面注册按钮
 95     {
 96         signUp.SetActive(true);
 97         signIn.SetActive(false);
 98     }
 99 
100     public void OnQuitClicked() // 登录成功页面退出按钮
101     {
102         Application.Quit();
103         UnityEditor.EditorApplication.isPlaying = false;
104     }
105 }