| | |
| | | |
| | | @Override |
| | | public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { |
| | | System.out.println("=== 拦截器收到请求 ==="); |
| | | System.out.println("方法: " + request.getMethod()); |
| | | System.out.println("URI: " + request.getRequestURI()); |
| | | // System.out.println("=== 拦截器收到请求 ==="); |
| | | // System.out.println("方法: " + request.getMethod()); |
| | | // System.out.println("URI: " + request.getRequestURI()); |
| | | |
| | | // 关键修复:必须放行 OPTIONS 预检请求 |
| | | // 放行 OPTIONS 预检请求 |
| | | if ("OPTIONS".equalsIgnoreCase(request.getMethod())) { |
| | | System.out.println("✅ 放行 OPTIONS 预检请求"); |
| | | // System.out.println("✅ 放行 OPTIONS 预检请求"); |
| | | // 手动设置 CORS 头 |
| | | response.setHeader("Access-Control-Allow-Origin", "http://127.0.0.1:8080"); |
| | | response.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS"); |