Unity简单登录功能的实现（附资源包）

项目说明（一共就用到一个脚本，带有项目默认账号（可以自定义），也有玩家登录过后存到本地的账号（注册过后才有））

添加场景的方法

脚本

using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;public class LogManage : MonoBehaviour
{[Header("两个面板")]public GameObject loginPanel;//登录面板public GameObject registerPanel;//注册面板[Header("四个按钮")]public Button loginBtn;//登录按钮public Button goregisterBtn;//跳转到注册界面按钮public Button backBtn;//返回按钮public Button registerBtn;//注册按钮[Header("登录面板的两个输入框")]public InputField useridInput;//用id输入框public InputField passwordInput;//密码输入框[Header("注册面板的两个输入框")]public InputField setuseridInput;//设置id输入框public InputField setpasswordInput;//设置密码输入框//在场景中输入要跳转的场景的名字//不输入就不会跳转[SerializeField] private string Scenenameext;//登录画布//可以选择登录成功后影藏登录画布//默认情况登录成功影藏画布[SerializeField] private GameObject loginCanvas;//提示面板public GameObject tipPanel;void Start(){loginBtn.onClick.AddListener(Login);goregisterBtn.onClick.AddListener(goRegister);backBtn.onClick.AddListener(Back);registerBtn.onClick.AddListener(Register);}void Login(){string userid = useridInput.text;string password = passwordInput.text;// 使用 Resources.Load 来读取文件内容string filePathtext = "PlayerLogin/Login";TextAsset loginfile = Resources.Load<TextAsset>(filePathtext);//先查找默认账号有木有玩家的数据if (loginfile != null){string str = loginfile.text;// 在这里可以添加逻辑验证 userid 和 password 是否与 str 相匹配string[] str1 = str.Split('\n');//第一次分割for (int i = 0; i < str1.Length; i++){string[] str2 = str1[i].Split(':');if (str2[0] == userid && str2[1] == password){Debug.Log("登录成功！");//****************登录成功的逻辑*****************if (Scenenameext != ""){SceneManager.LoadScene(Scenenameext); //跳转到指定场景Debug.Log("你还没有指定跳转场景！");}else //如果没设置跳转场景的名字默认影藏画布{loginCanvas.SetActive(false); //登录成功后影藏登录画布}break;}else if (str2[0] == userid && str2[1] != password) {Debug.Log("密码错误");//提示面板的显示tipPanel.SetActive(true);tipPanel.gameObject.transform.Find("Tipsimage/Tipstxt").GetComponent<Text>().text = "密码错误";Invoke("closetip", 2f);break;}else{if (i == str1.Length - 1){//这里遍历本地账号看有木有玩家string content = "PlayerLogin";string[] str3 = File.ReadAllLines(Application.persistentDataPath + "/" + content + "/" + "Login.txt");for (int j = 0; j < str3.Length; j++){string[] str4 = str3[j].Split(':');if (str4[0] == userid && str4[1] == password){Debug.Log("登录成功！");//****************登录成功的逻辑*if (Scenenameext != ""){SceneManager.LoadScene(Scenenameext); //跳转到指定场景Debug.Log("你还没有指定跳转场景！");}else //如果没设置跳转场景的名字默认影藏画布{loginCanvas.SetActive(false); //登录成功后影藏登录画布}break;}else if (str4[0] == userid && str4[1] != password){Debug.Log("密码错误");//提示面板的显示tipPanel.SetActive(true);tipPanel.gameObject.transform.Find("Tipsimage/Tipstxt").GetComponent<Text>().text = "密码错误";Invoke("closetip", 2f);break;}else if(j== str3.Length-1){Debug.Log("该账号不存在");//提示面板的显示tipPanel.SetActive(true);tipPanel.gameObject.transform.Find("Tipsimage/Tipstxt").GetComponent<Text>().text = "该账号不存在";Invoke("closetip", 2f);}}}}}}else{Debug.LogError("登录文件未找到！");}}void goRegister(){//跳转到注册界面loginPanel.SetActive(false);registerPanel.SetActive(true);//清空输入框setuseridInput.text = "";setpasswordInput.text = "";}void Back(){//返回登录界面loginPanel.SetActive(true);registerPanel.SetActive(false);}void Register(){//注册逻辑string userid = setuseridInput.text;string password = setpasswordInput.text;//判断是不是默认账号string filePathtext = "PlayerLogin/Login";TextAsset loginfile = Resources.Load<TextAsset>(filePathtext);//检测本地账号文本是否存在string content = "PlayerLogin";if (!File.Exists(Application.persistentDataPath + "/" + content + "/" + "Login.txt"))//路径存在后创建数据文本（如果没找到的话）{Directory.CreateDirectory(Application.persistentDataPath + "/" + content);//这是一个双重保险string filePath0 = Application.persistentDataPath + "/" + content + "/" + "Login.txt";//这里换成对应文件位置string content2 = "玩家账号:玩家密码"+"\n";File.WriteAllText(filePath0, content2);//Debug.Log("测试文本写入成功");}string str = loginfile.text;Debug.Log(str); // 输出文件内容//判断玩家注册的账号是不是默认账号string[] str1 = str.Split('\n');//第一次分割for (int i = 0; i < str1.Length; i++){string[] str2 = str1[i].Split(':');if (str2[0] == userid){Debug.Log("该账号已被注册！");//提示面板的显示tipPanel.SetActive(true);tipPanel.gameObject.transform.Find("Tipsimage/Tipstxt").GetComponent<Text>().text = "该账号已被注册！";Invoke("closetip", 2f);break;}else if (i == str1.Length - 1){//这里遍历本地账号看有木有玩家string[] str3 = File.ReadAllLines(Application.persistentDataPath + "/" + content + "/" + "Login.txt");for (int j = 0; j < str3.Length; j++){string[] str4 = str3[j].Split(':');if (str4[0] == userid){Debug.Log("该账号已被注册！");//提示面板的显示tipPanel.SetActive(true);tipPanel.gameObject.transform.Find("Tipsimage/Tipstxt").GetComponent<Text>().text = "该账号已被注册！";Invoke("closetip", 2f);break;}else if (j == str3.Length - 1){//注册成功Debug.Log("注册成功！");//提示面板的显示tipPanel.SetActive(true);tipPanel.gameObject.transform.Find("Tipsimage/Tipstxt").GetComponent<Text>().text = "注册成功！";Invoke("closetip", 2f);//写入本地文件string filePath = Application.persistentDataPath + "/" + content + "/" + "Login.txt";string content1 = userid + ":" + password + "\n";File.AppendAllText(filePath, content1);Debug.Log("玩家数据写入成功");//跳转到登录界面loginPanel.SetActive(true);//自动将账号和密码填进去useridInput.text = setuseridInput.text;passwordInput.text = setpasswordInput.text;registerPanel.SetActive(false);break;}}}}}void closetip(){tipPanel.SetActive(false);}
}