增加多用户

src/sixaunyi/.idea/deploymentTargetDropDown.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetDropDown">
-    <runningDeviceTargetSelectedWithDropDown>
-      <Target>
-        <type value="RUNNING_DEVICE_TARGET" />
-        <deviceKey>
-          <Key>
-            <type value="SERIAL_NUMBER" />
-            <value value="DXQBB22723204552" />
-          </Key>
-        </deviceKey>
-      </Target>
-    </runningDeviceTargetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2023-06-17T03:26:08.563393Z" />
-  </component>
-</project>

src/sixaunyi/app/src/main/java/com/example/sixaunyi/LoginActivity.java

@@ -6,11 +6,20 @@ import android.widget.Button;
 import android.widget.EditText;
 import android.widget.Toast;
 import androidx.appcompat.app.AppCompatActivity;
+import java.util.HashMap;
+import java.util.Map;
+
 public class LoginActivity extends AppCompatActivity {
 
     private EditText mUsername;
     private EditText mPassword;
     private Button mLoginButton;
+    private Map<String, String> mUsers = new HashMap<>();
+    {
+        mUsers.put("admin", "123456");
+        mUsers.put("tiequan", "8731");
+        mUsers.put("zhenghaoyuan", "6666");
+    }
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -21,19 +30,20 @@ public class LoginActivity extends AppCompatActivity {
         mLoginButton = findViewById(R.id.login);
         // 设置登录按钮的点击事件
         mLoginButton.setOnClickListener(v -> {
-            // 获取用户输入的用户名和密码
-            String username = mUsername.getText().toString();
-            String password = mPassword.getText().toString();
-            // 验证用户名和密码是否正确
-            if (username.equals("admin") && password.equals("123456") || username.equals("tiequan") && password.equals("8731")) {
-                // 如果验证成功，跳转到主界面
-                Intent intent = new Intent(LoginActivity.this, MainActivity.class);
-                startActivity(intent);
-                finish(); // 关闭登录界面
-            } else {
-                // 如果验证失败，在输入框下方提示错误信息
-                Toast.makeText(LoginActivity.this, "用户名或密码错误", Toast.LENGTH_SHORT).show();
-            }
+            attemptLogin();
         });
     }
+    private void attemptLogin() {
+        String username = mUsername.getText().toString();
+        String password = mPassword.getText().toString();
+
+        if (mUsers.containsKey(username) && mUsers.get(username).equals(password)) {
+            Toast.makeText(this, "登录成功", Toast.LENGTH_SHORT).show();
+            Intent intent = new Intent(LoginActivity.this, MainActivity.class);
+            startActivity(intent);
+            finish(); // 关闭登录界面
+        } else {
+            Toast.makeText(this, "用户名或密码错误", Toast.LENGTH_SHORT).show();
+        }
+    }
 }