feat: P0 Step 1.8 — SysLoginController 登录/用户信息/路由/登出 4 端点

Co-Authored-By: Claude <noreply@anthropic.com>

custom-server-webapp/src/main/java/com/jomalls/custom/webapp/controller/system/SysLoginController.java

+package com.jomalls.custom.webapp.controller.system;
+
+import com.jomalls.custom.app.service.system.SysLoginService;
+import com.jomalls.custom.app.vo.LoginUserInfoVO;
+import com.jomalls.custom.app.vo.RouterVO;
+import com.jomalls.custom.utils.R;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 登录鉴权控制器
+ *
+ * @author Lizh
+ */
+@Slf4j
+@RestController
+@RequiredArgsConstructor
+@Tag(name = "登录鉴权")
+public class SysLoginController {
+
+    private final SysLoginService sysLoginService;
+
+    /**
+     * 用户登录
+     */
+    @PostMapping("/api/v2/login")
+    @Operation(summary = "用户登录")
+    public R<Map<String, String>> login(@RequestBody Map<String, String> body) {
+        String username = body.get("username");
+        String password = body.get("password");
+        log.info("用户[{}]尝试登录", username);
+        String token = sysLoginService.login(username, password);
+        Map<String, String> result = new HashMap<>();
+        result.put("token", token);
+        log.info("用户[{}]登录成功", username);
+        return R.ok(result);
+    }
+
+    /**
+     * 获取用户信息
+     */
+    @GetMapping("/api/v2/getInfo")
+    @Operation(summary = "获取当前用户信息")
+    public R<LoginUserInfoVO> getInfo() {
+        LoginUserInfoVO info = sysLoginService.getInfo();
+        return R.ok(info);
+    }
+
+    /**
+     * 获取路由菜单
+     */
+    @GetMapping("/api/v2/getRouters")
+    @Operation(summary = "获取前端路由菜单")
+    public R<List<RouterVO>> getRouters() {
+        List<RouterVO> routers = sysLoginService.getRouters();
+        return R.ok(routers);
+    }
+
+    /**
+     * 退出登录
+     */
+    @PostMapping("/api/v2/logout")
+    @Operation(summary = "退出登录")
+    public R<Void> logout() {
+        log.info("用户退出登录");
+        return R.ok();
+    }
+}