ERROR com.altair.common.config.ExceptionControllerAdvice:73 - Parameter exceptions:
org.springframework.http.converter.HttpMessage
NotReadableException: Required request body is missing: public reactor.core.publisher.Flux<com.altair.userserver.entity.StreamResponse> com.altair.userserver.controller.AIDify.DifyController.test2(com.altair.userserver.vo.MessageVO)
at org.springframework.web.servlet.mvc.method.an
notation.RequestResponseBodyMethod
Processor.readWithMessageConverters(RequestResponseBodyMethod
Processor.
java:161)
at org.springframework.web.servlet.mvc.method.an
notation.RequestResponseBodyMethod
Processor.resolveArgument(RequestResponseBodyMethod
Processor.
java:131)
at org.springframework.web.method.
support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.
java:121)
at org.springframework.web.method.
support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.
java:167)
at org.springframework.web.method.
support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.
java:134)
at org.springframework.web.servlet.mvc.method.an
notation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.
java:106)
at org.springframework.web.servlet.mvc.method.an
notation.Request
MappingHandlerAdapter.invokeHandlerMethod(Request
MappingHandlerAdapter.
java:888)
at org.springframework.web.servlet.mvc.method.an
notation.Request
MappingHandlerAdapter.handleInternal(Request
MappingHandlerAdapter.
java:793)报错信息
package com.altair.userserver.controller.AIDify;
import com.altair.userserver.entity.BlockResponse;
import com.altair.userserver.entity.StreamResponse;
import com.altair.userserver.service.impl.DifyService;
import com.altair.userserver.vo.MessageVO;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.an
notation.Autowired;
import org.springframework.beans.factory.an
notation.Value;
import org.springframework.web.bind.an
notation.*;
import reactor.core.publisher.Flux;
@RestController
@Request
Mapping(“/api”)
@RequiredArgsConstructor
public class DifyController {
@Value("${dify.api.key}") private String testKey; private final DifyService difyService; @Post
Mapping ("/stream") public Flux<StreamResponse> test2(@RequestBody MessageVO vo) { return difyService.streamingMessage(vo.getQuery(),0L, testKey); }
}控制层代码
<!DOCTYPE html> <html lang
="zh-CN"> <head> <meta charset
="UTF-8"> <meta name
="viewport" content
="width
=device-width, initial-scale
=1.0"> <title>智能助手</title> <style> :root { --primary-color: #4f46e5; --assistant-bg: #f3f4f6; --user-bg: #dbeafe; } * { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; } body { background-color: #f9fafb; min-height: 100vh; } /* 悬浮助手按钮 */ .floating-assistant { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; border-radius: 50%; background-color: var(--primary-color); color: white; display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); z-index: 1000; transition: transform 0.3s ease; } .floating-assistant:hover { transform: scale(1.05); } .assistant-icon { font-size: 24px; font-weight: bold; } /* 聊天对话框 */ .chat-container { position: fixed; bottom: 100px; right: 30px; width: 400px; height: 500px; background: white; border-radius: 12px; box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); display: flex; flex-direction: column; overflow: hidden; z-index: 999; opacity: 0; transform: translateY(20px); transition: all 0.3s ease; } .chat-container.active { opacity: 1; transform: translateY(0); } .chat-header { background-color: var(--primary-color); color: white; padding: 15px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; } .close-btn { background: none; border: none; color: white; cursor: pointer; font-size: 18px; } .chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; } .message { max-width: 85%; padding: 12px 16px; border-radius: 18px; line-height: 1.5; animation: fadeIn 0.3s ease; } .assistant-message { background-color: var(--assistant-bg); align-self: flex-start; border-bottom-left-radius: 4px; } .user-message { background-color: var(--user-bg); align-self: flex-end; border-bottom-right-radius: 4px; } .chat-input-area { padding: 15px; border-top: 1px solid #e5e7eb; display: flex; gap: 10px; } .message-input { flex: 1; padding: 12px 15px; border: 1px solid #d1d5db; border-radius: 24px; outline: none; font-size: 14px; } .send-btn { background-color: var(--primary-color); color: white; border: none; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; } .typing-indicator { display: inline-flex; align-items: center; padding: 8px 12px; background: var(--assistant-bg); border-radius: 18px; } .typing-dot { width: 8px; height: 8px; background-color: #9ca3af; border-radius: 50%; margin: 0 2px; animation: typing 1.4s infinite ease-in-out; } .typing-dot:nth-child(1) { animation-delay: 0s; } .typing-dot:nth-child(2) { animation-delay: 0.2s; } .typing-dot:nth-child(3) { animation-delay: 0.4s; } @keyframes typing { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-5px); } } @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } } </style> </head> <body> <!-- 悬浮助手按钮 --> <div class
="floating-assistant" id
="assistantBtn"> <div class
="assistant-icon">AI</div> </div> <!-- 聊天对话框 --> <div class
="chat-container" id
="chatContainer"> <div class
="chat-header"> <span>智能助手</span> <
button class
="close-btn" id
="closeBtn">×</
button> </div> <div class
="chat-messages" id
="chatMessages"> <!-- 消息将通过JS动态添加 --> </div> <div class
="chat-input-area"> <input type
="text" class
="message-input" id
="messageInput" placeholder
="输入您的问题..." autocomplete
="off" > <
button class
="send-btn" id
="sendBtn"> <svg xmlns
="http://www.w3.org/2000/svg" width
="16" height
="16" fill
="currentColor" viewBox
="0 0 16 16"> <path d
="M15.964.686a.5.5 0 0 0-.65-.65L.767 5.855H.766l-.452.18a.5.5 0 0 0-.082.887l.41.26.001.002 4.995 3.178 3.178 4.995.002.002.26.41a.5.5 0 0 0 .886-.083l6-15Zm-1.833 1.89L6.637 10.07l-.215-.338a.5.5 0 0 0-.154-.154l-.338-.215 7.494-7.494 1.178-.471-.47 1.178Z"/> </svg> </
button> </div> </div> <script> // DOM元素 const assistantBtn
= document.getElementById('assistantBtn'); const chatContainer
= document.getElementById('chatContainer'); const closeBtn
= document.getElementById('closeBtn'); const chatMessages
= document.getElementById('chatMessages'); const messageInput
= document.getElementById('messageInput'); const sendBtn
= document.getElementById('sendBtn'); // 当前流式响应的EventSource let eventSource
= null; // 当前正在处理的响应消息元素 let currentResponseElement
= null; // 初始化事件监听 assistantBtn.addEvent
Listener('click', toggleChat); closeBtn.addEvent
Listener('click', closeChat); sendBtn.addEvent
Listener('click', sendMessage); messageInput.addEvent
Listener('keypress', (e)
=> { if (e.key
=== 'Enter') { sendMessage(); } }); // 切换聊天对话框 function toggleChat() { chatContainer.class
List.toggle('active'); if (chatContainer.class
List.contains('active')) { messageInput.focus(); } } // 关闭聊天对话框 function closeChat() { chatContainer.class
List.remove('active'); // 关闭任何打开的SSE连接 if (eventSource) { eventSource.close(); eventSource
= null; } } // 发送消息 function sendMessage() { const message
= messageInput.value.trim(); if (!message) return; // 添加用户消息 addMessage(message, 'user'); messageInput.value
= ''; // 添加等待中的助手消息（占位） currentResponseElement
= createTypingIndicator(); chatMessages.appendChild(currentResponseElement); chatMessages.scrollTop
= chatMessages.scrollHeight; // 调用API获取流式响应 fetchStreamingResponse(message); } // 创建输入中指示器 function createTypingIndicator() { const typingElement
= document.createElement('div'); typingElement.
className = 'message assistant-message typing-indicator'; typingElement.innerHTML
= ` <div class
="typing-dot"></div> <div class
="typing-dot"></div> <div class
="typing-dot"></div> `; return typingElement; } // 调用流式API function fetchStreamingResponse(query) { // 关闭之前的连接（如果有） if (eventSource) eventSource.close(); // 创建API URL（根据实际部署修改） const apiUrl
= 'http://localhost:8089/api/stream'; // 使用Fetch API + ReadableStream处理流式响应 fetch(apiUrl, { method: 'POST', headers: { 'Content-Type': 'application/json', // 在实际应用中应添加认证头 }, body: JSON.stringify({ query }) }) .then(response
=> { const reader
= response.body.getReader(); const decoder
= new TextDecoder(); let buffer
= ''; // 替换输入指示器为真实消息容器 const messageElement
= document.createElement('div'); messageElement.
className = 'message assistant-message'; chatMessages.replaceChild(messageElement, currentResponseElement); currentResponseElement
= messageElement; // 处理流数据 const
processStream
= ({ done, value })
=> { if (done) { console.log('流结束'); return; } buffer +
= decoder.decode(value, { stream: true }); // 处理完整的JSON行 const lines
= buffer.split('\n'); buffer
= lines.pop(); // 保存不完整的行 for (const line of lines) { if (line.trim()
=== '') continue; try { const eventData
= JSON.parse(line); // 只处理包含实际内容的消息事件 if (eventData.event
=== 'message' && eventData.answer !
== null) { currentResponseElement.textContent +
= eventData.answer; chatMessages.scrollTop
= chatMessages.scrollHeight; } } catch (e) { console.error('解析JSON错误:', e); } } // 继续读取 return reader.read().then(
processStream); }; return reader.read().then(
processStream); }) .catch(error
=> { console.error('请求错误:', error); currentResponseElement.textContent
= '抱歉，请求助手时出错: ' + error.message; chatMessages.scrollTop
= chatMessages.scrollHeight; }); } // 添加消息到对话框 function addMessage(text, sender) { const messageElement
= document.createElement('div'); messageElement.
className = `message ${sender}-message`; messageElement.textContent
= text; chatMessages.appendChild(messageElement); chatMessages.scrollTop
= chatMessages.scrollHeight; } // 初始示例消息 window.addEvent
Listener('DOMContentLoaded', ()
=> { addMessage('您好！我是智能助手，请问有什么可以帮您？', 'assistant'); }); </script> </body> </html> 前端代码 帮我修改
vo代码如下
package com.altair.userserver.vo;
import lombok.Data;
@Data
public class MessageVO {
private String query;
}
本文介绍了一种ConfigException异常的处理方法，通过设置multiMapping为true来解决按钮映射属性类名不支持列表的问题，并展示了具体的配置文件修改示例。
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