优化404提示

2026-09-29 16:06:36 +08:00 · 2025-06-27 17:34:47 +08:00
parent 2db15448d9
commit 595cacafed
2 changed files with 83 additions and 0 deletions
@@ -0,0 +1,78 @@
+package com.admin.controller;
+
+import org.springframework.boot.web.servlet.error.ErrorController;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+@Controller
+public class CustomErrorController implements ErrorController {
+
+    @RequestMapping("/error")
+    public void handleError(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        Object status = request.getAttribute(RequestDispatcher.ERROR_STATUS_CODE);
+        
+        response.setContentType("text/html; charset=UTF-8");
+        
+        if (status != null) {
+            int statusCode = Integer.valueOf(status.toString());
+            
+            if (statusCode == HttpStatus.NOT_FOUND.value()) {
+                response.setStatus(HttpStatus.NOT_FOUND.value());
+                String html = generateErrorHtml(
+                    "404",
+                    "你推开了后端的大门，却发现里面只有寂寞。",
+                    request.getRequestURI()
+                );
+                response.getWriter().write(html);
+            }
+        } 
+    }
+    
+    private String generateErrorHtml(String statusCode, String title, String path) {
+        return "<!DOCTYPE html>" +
+                "<html lang='zh-CN'>" +
+                "<head>" +
+                "    <meta charset='UTF-8'>" +
+                "    <meta name='viewport' content='width=device-width, initial-scale=1.0'>" +
+                "    <title>错误 " + statusCode + "</title>" +
+                "    <style>" +
+                "        body {" +
+                "            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;" +
+                "            margin: 0;" +
+                "            padding: 0;" +
+                "            min-height: 100vh;" +
+                "            display: flex;" +
+                "            flex-direction: column;" +
+                "            justify-content: center;" +
+                "            align-items: center;" +
+                "            text-align: center;" +
+                "        }" +
+                "        .error-code {" +
+                "            font-size: 6rem;" +
+                "            color: #333;" +
+                "            font-weight: 300;" +
+                "            margin: 0;" +
+                "        }" +
+                "        .error-title {" +
+                "            font-size: 1.2rem;" +
+                "            color: #666;" +
+                "            margin: 20px 0 0 0;" +
+                "            font-weight: normal;" +
+                "        }" +
+                "    </style>" +
+                "</head>" +
+                "<body>" +
+                "    <div class='error-code'>" + statusCode + "</div>" +
+                "    <div class='error-title'>" + title + "</div>" +
+                "</body>" +
+                "</html>";
+    }
+}