fix: fix hono.file response duplicated content-type header

README.MD

@@ -56,7 +56,7 @@ fn main() {
     
     // 中间件
     app.use(fn (mut c hono.Context, next fn (mut hono.Context) http.Response) http.Response {
-        println('[LOG] ${c.url}')
+        println('[LOG] ${c.path}')
         return next(mut c)
     })
     
@@ -205,7 +205,7 @@ return c.json('{"error": "Not Found"}')
 ```v
 // 日志中间件
 app.use(fn (mut c hono.Context, next fn (mut hono.Context) http.Response) http.Response {
-    println('[${time.now()}] ${c.req.method} ${c.url}')
+    println('[${time.now()}] ${c.req.method} ${c.path}')
     return next(mut c)
 })
 

example.v

@@ -11,15 +11,15 @@ fn main() {
 	
 	// 日志中间件
 	app.use(fn (mut c hono.Context, next fn (mut hono.Context) http.Response) http.Response {
-		println('[LOG] ${c.req.method} ${c.url}')
+		println('[LOG] ${c.req.method} ${c.path}')
 		return next(mut c)
 	})
 	
 	// 认证中间件
 	app.use(fn (mut c hono.Context, next fn (mut hono.Context) http.Response) http.Response {
-		println("url path: ${c.url}")
+		println("url path: ${c.path}")
 		token := c.query['token']
-		if c.url != "/" &&  token == '' {
+		if c.path != "/" &&  token == '' {
 			c.status(401)
 			return c.json('{"error": "Unauthorized", "message": "Token required"}')
 		}
@@ -197,6 +197,19 @@ curl -X POST "http://localhost:8080/api/test/create/456?token=abc123" -d "{\\"na
 		return c.text('Hello, World!')
 	})
 	
+	// Path 信息展示路由
+	app.get('/path-info', fn (mut c hono.Context) http.Response {
+		// 构建JSON响应
+		mut response := '{'
+		response += '"path_info": {'
+		response += '"path": "${c.path}",'
+		response += '"url": "${c.url}"'
+		response += '}'
+		response += '}'
+		
+		return c.json(response)
+	})
+	
 	// ===== 5. API 路由 =====
 	
 	// 健康检查
@@ -251,6 +264,21 @@ curl -X POST "http://localhost:8080/api/test/create/456?token=abc123" -d "{\\"na
 		return c.json('{"user_id": "${user_id}", "post_id": "${post_id}", "title": "Sample Post"}')
 	})
 	
+	// 路径分析路由
+	app.get('/analyze/*path', fn (mut c hono.Context) http.Response {
+		requested_path := c.params['path']
+		
+		// 构建JSON响应
+		mut response := '{'
+		response += '"path_analysis": {'
+		response += '"original_path": "${c.path}",'
+		response += '"requested_path": "${requested_path}"'
+		response += '}'
+		response += '}'
+		
+		return c.json(response)
+	})
+	
 	// ===== 7. HTTP 方法示例 =====
 	
 	// POST 请求
@@ -323,7 +351,7 @@ curl -X POST "http://localhost:8080/api/test/create/456?token=abc123" -d "{\\"na
 	
 	// DELETE 请求示例
 	app.delete('/api/users/:id', fn (mut c hono.Context) http.Response {
-		user_id := c.params['id']
+		_ := c.params['id'] // 忽略用户ID
 		c.status(204)
 		return c.text('')
 	})
@@ -458,6 +486,8 @@ curl -X POST "http://localhost:8080/api/test/create/456?token=abc123" -d "{\\"na
 	println('  - GET /api/status')
 	println('  - GET /api/static-info')
 	println('  - GET /hello')
+	println('  - GET /path-info')
+	println('  - GET /analyze/*path')
 	println('')
 	println('📄 文件服务端点:')
 	println('  - GET /file/:filename - 基本文件服务')

hono/request.v

@@ -11,6 +11,7 @@ pub:
 	params map[string]string
 	query  map[string]string
 	url    string
+	path   string  // 当前请求的路径
 pub mut:
 	status_code int = 200
 	headers     map[string]string
@@ -30,7 +31,8 @@ pub fn Context.new(req http.Request, params map[string]string, query map[string]
 		params: params
 		query: query
 		body: body
-		url: url.path
+		url: url.str()  // 设置为完整的URL字符串
+		path: url.path  // 设置 path 属性
 		headers: map[string]string{}
 	}
 }
@@ -145,7 +147,16 @@ pub fn (mut c Context) file_with_options(file_path string, options FileOptions)
 		if_none_match := c.req.header.get_custom('If-None-Match') or { '' }
 		if if_none_match == etag {
 			c.status(304)
-			return c.text('')
+			// 构建响应头
+			mut headers := http.new_header()
+			for key, value in c.headers {
+				headers.add_custom(key, value) or { continue }
+			}
+			return http.Response{
+				status_code: c.status_code
+				header: headers
+				body: ''
+			}
 		}
 	}
 	
@@ -162,7 +173,15 @@ pub fn (mut c Context) file_with_options(file_path string, options FileOptions)
 	}
 	
 	// 返回文件内容
-	return c.text(file_content)
+	mut headers := http.new_header()
+	for key, value in c.headers {
+		headers.add_custom(key, value) or { continue }
+	}
+	return http.Response{
+		status_code: c.status_code
+		header: headers
+		body: file_content
+	}
 }
 
 // FileOptions struct for configuring file serving
@@ -240,6 +259,8 @@ pub fn (mut c Context) status(code int) {
 	c.status_code = code
 }
 
+
+
 // 处理器接口，使用 Context
 pub interface IHandler {
 	path string

hono/static.v

@@ -35,12 +35,12 @@ pub fn default_static_options() StaticOptions {
 pub fn serve_static(options StaticOptions) fn (mut Context, fn (mut Context) http.Response) http.Response {
 	return fn [options] (mut c Context, next fn (mut Context) http.Response) http.Response {
 		// 检查请求路径是否匹配静态文件路径
-		if !c.url.starts_with(options.path) {
+		if !c.path.starts_with(options.path) {
 			return next(mut c)
 		}
 		
 		// 提取文件路径
-		mut file_path := c.url[options.path.len..]
+		mut file_path := c.path[options.path.len..]
 		if file_path.starts_with('/') {
 			file_path = file_path[1..]
 		}
@@ -50,7 +50,7 @@ pub fn serve_static(options StaticOptions) fn (mut Context, fn (mut Context) htt
 		
 		// 调试信息
 		println('[DEBUG] Static file request:')
-		println('  URL: ${c.url}')
+		println('  Path: ${c.path}')
 		println('  Path prefix: ${options.path}')
 		println('  File path: ${file_path}')
 		println('  Root: ${options.root}')
@@ -137,7 +137,16 @@ fn serve_file(mut c Context, file_path string, options StaticOptions) http.Respo
 		if_none_match := c.req.header.get_custom('If-None-Match') or { '' }
 		if if_none_match == etag {
 			c.status(304)
-			return c.text('')
+			// 构建响应头
+			mut headers := http.new_header()
+			for key, value in c.headers {
+				headers.add_custom(key, value) or { continue }
+			}
+			return http.Response{
+				status_code: c.status_code
+				header: headers
+				body: ''
+			}
 		}
 	}
 	
@@ -154,7 +163,15 @@ fn serve_file(mut c Context, file_path string, options StaticOptions) http.Respo
 	}
 	
 	// 返回文件内容
-	return c.text(file_content)
+	mut headers := http.new_header()
+	for key, value in c.headers {
+		headers.add_custom(key, value) or { continue }
+	}
+	return http.Response{
+		status_code: c.status_code
+		header: headers
+		body: file_content
+	}
 }
 
 // 安全检查：防止路径遍历攻击

public/index.html

@@ -327,7 +327,7 @@
                         <button class="test-button" onclick="testFile('/file/test.txt')">基本文件服务</button>
                         <button class="test-button" onclick="testFile('/file-cached/test.txt')">缓存文件服务</button>
                         <button class="test-button" onclick="testFile('/download/downloadable.txt')">文件下载</button>
-                        <button class="test-button" onclick="testFile('/image/style.css')">图片文件服务</button>
+                        <button class="test-button" onclick="testFile('/image/img1.jpg')">图片文件服务</button>
                         <button class="test-button" onclick="testFile('/safe-file/test.txt')">安全文件服务</button>
                         <div id="file-result" class="result" style="display: none;"></div>
                     </div>
@@ -612,11 +612,64 @@ app.listen(':8080')
                 }
                 
                 const response = await fetch(url.toString());
-                const data = await response.text();
                 const responseTime = Date.now() - startTime;
                 
-                resultDiv.className = 'result';
+                // 获取所有响应头信息用于调试
-                resultDiv.textContent = `✅ 成功 (${responseTime}ms)\n状态码: ${response.status}\n请求URL: ${url.toString()}\n文件大小: ${data.length} 字符\n内容预览:\n${data.substring(0, 200)}${data.length > 200 ? '...' : ''}`;
+                const headers = {};
+                response.headers.forEach((value, key) => {
+                    headers[key] = value;
+                });
+                
+                // 检查是否是图片文件 - 优先检查文件扩展名
+                const urlPath = url.pathname.toLowerCase();
+                const isImageByExtension = urlPath.endsWith('.jpg') || urlPath.endsWith('.jpeg') || 
+                                         urlPath.endsWith('.png') || urlPath.endsWith('.gif') || 
+                                         urlPath.endsWith('.webp') || urlPath.endsWith('.svg');
+                
+                // 也检查 content-type
+                const contentType = response.headers.get('content-type') || '';
+                const isImageByType = contentType.startsWith('image/');
+                
+                const isImage = isImageByExtension || isImageByType;
+                
+                if (isImage) {
+                    // 对于图片文件，显示图片预览
+                    const blob = await response.blob();
+                    const imageUrl = URL.createObjectURL(blob);
+                    
+                    resultDiv.className = 'result';
+                    resultDiv.innerHTML = `
+                        ✅ 成功 (${responseTime}ms)<br>
+                        状态码: ${response.status}<br>
+                        请求URL: ${url.toString()}<br>
+                        文件类型: ${contentType}<br>
+                        文件大小: ${(blob.size / 1024).toFixed(2)} KB<br>
+                        检测方式: ${isImageByExtension ? '文件扩展名' : 'Content-Type'}<br>
+                        <br>
+                        <strong>响应头信息:</strong><br>
+                        <pre style="font-size: 0.8em; background: #f5f5f5; padding: 10px; border-radius: 4px; overflow-x: auto;">${JSON.stringify(headers, null, 2)}</pre>
+                        <br>
+                        <strong>图片预览:</strong><br>
+                        <img src="${imageUrl}" style="max-width: 100%; max-height: 200px; border: 1px solid #ddd; border-radius: 4px; margin-top: 10px;" alt="图片预览">
+                    `;
+                } else {
+                    // 对于非图片文件，显示文本内容
+                    const data = await response.text();
+                    resultDiv.className = 'result';
+                    resultDiv.innerHTML = `
+                        ✅ 成功 (${responseTime}ms)<br>
+                        状态码: ${response.status}<br>
+                        请求URL: ${url.toString()}<br>
+                        文件类型: ${contentType}<br>
+                        文件大小: ${data.length} 字符<br>
+                        <br>
+                        <strong>响应头信息:</strong><br>
+                        <pre style="font-size: 0.8em; background: #f5f5f5; padding: 10px; border-radius: 4px; overflow-x: auto;">${JSON.stringify(headers, null, 2)}</pre>
+                        <br>
+                        <strong>内容预览:</strong><br>
+                        <pre style="font-size: 0.9em; background: #f9f9f9; padding: 10px; border-radius: 4px; overflow-x: auto;">${data.substring(0, 200)}${data.length > 200 ? '...' : ''}</pre>
+                    `;
+                }
                 
                 updateStats(true, responseTime);
             } catch (error) {