查询订单
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启航老齐
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commit
399f88dae5
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@ -143,6 +143,7 @@
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<!-- </dependency>-->
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<!-- LangChain4J 依赖 -->
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<!-- Source: https://mvnrepository.com/artifact/dev.langchain4j/langchain4j -->
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<dependency>
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<groupId>dev.langchain4j</groupId>
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<artifactId>langchain4j</artifactId>
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@ -71,10 +71,17 @@ public class SseController {
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try {
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// 使用AiService处理消息，传递模型参数
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String response = aiService.processMessage(message, model);
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log.info("==========AI回复：{}",response);
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// 确保SSE消息格式正确，处理多行消息
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String[] lines = response.split("\n");
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StringBuilder formattedResponse = new StringBuilder();
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for (String line : lines) {
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formattedResponse.append("data:").append(line).append("\n");
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}
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formattedResponse.append("\n"); // 结束消息
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emitter.send(SseEmitter.event()
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.name("message")
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.data(response));
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emitter.send(formattedResponse.toString());
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log.info("发送给前端的消息: {}", response);
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return "消息发送成功";
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} catch (Exception e) {
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@ -1,5 +1,7 @@
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package cn.qihangerp.erp.service;
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import lombok.extern.slf4j.Slf4j;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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@ -8,6 +10,7 @@ import java.util.concurrent.ConcurrentHashMap;
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/**
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* 订单服务类，用于查询订单信息
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*/
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@Slf4j
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public class OrderService {
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// 模拟订单数据
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@ -20,6 +23,8 @@ public class OrderService {
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orderMap.put("ORDER003", new Order("ORDER003", "2026-03-03", "王五", 599.99, "已完成"));
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orderMap.put("ORDER004", new Order("ORDER004", "2026-03-04", "赵六", 1999.99, "待发货"));
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orderMap.put("ORDER005", new Order("ORDER005", "2026-03-05", "钱七", 399.99, "已发货"));
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orderMap.put("ORDER006", new Order("ORDER006", "2026-03-06", "齐", 399.99, "已发货"));
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orderMap.put("ORDER007", new Order("ORDER007", "2026-03-07", "钱", 399.99, "未发货"));
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}
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/**
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@ -62,6 +67,22 @@ public class OrderService {
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return getOrdersByStatus("待发货");
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}
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/**
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* 根据日期查询订单
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* @param date 订单日期
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* @return 订单列表
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*/
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public List<Order> getOrdersByDate(String date) {
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log.info("=========根据日期查询订单：{}",date);
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List<Order> orders = new ArrayList<>();
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for (Order order : orderMap.values()) {
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if (order.getOrderDate().equals(date)) {
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orders.add(order);
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}
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}
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return orders;
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}
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/**
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* 订单实体类
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*/
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@ -2,6 +2,8 @@ package cn.qihangerp.erp.service;
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import dev.langchain4j.agent.tool.Tool;
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import java.util.List;
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import java.time.LocalDate;
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import java.time.format.DateTimeFormatter;
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/**
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* 订单工具服务，用于AI查询订单信息
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@ -82,4 +84,32 @@ public class OrderToolService {
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}
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return sb.toString();
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}
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/**
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* 根据日期查询订单
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* @param date 订单日期，可以是具体日期或"今天"、"昨天"、"明天"等时间表达式
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* @return 订单信息
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*/
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@Tool("根据日期查询订单信息")
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public String getOrdersByDate(String date) {
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// 处理时间表达式
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if ("今天".equals(date)) {
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date = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
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} else if ("昨天".equals(date)) {
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date = LocalDate.now().minusDays(1).format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
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} else if ("明天".equals(date)) {
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date = LocalDate.now().plusDays(1).format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
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}
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List<OrderService.Order> orders = orderService.getOrdersByDate(date);
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if (orders.isEmpty()) {
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return "暂无日期为" + date + "的订单";
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}
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StringBuilder sb = new StringBuilder();
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sb.append("日期为").append(date).append("的订单：<br>");
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for (OrderService.Order order : orders) {
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sb.append(order.toString()).append("<br>");
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}
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return sb.toString();
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}
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}
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@ -1,8 +1,11 @@
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package cn.qihangerp.erp.serviceImpl;
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import dev.langchain4j.model.ollama.OllamaChatModel;
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import dev.langchain4j.service.AiServices;
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import org.springframework.stereotype.Service;
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import java.time.Duration;
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import java.time.LocalDate;
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import java.time.format.DateTimeFormatter;
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import cn.qihangerp.erp.service.OrderToolService;
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/**
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@ -11,6 +14,13 @@ import cn.qihangerp.erp.service.OrderToolService;
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@Service
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public class AiService {
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/**
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* 定义AI服务接口
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*/
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interface OrderAiService {
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String chat(String message);
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}
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/**
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* 处理聊天消息
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* @param message 用户消息
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@ -19,40 +29,35 @@ public class AiService {
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*/
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public String processMessage(String message, String model) {
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try {
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// 检查是否是订单相关查询
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if (message.contains("订单")) {
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// 使用订单服务直接处理
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OrderToolService orderToolService = new OrderToolService();
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// 获取当前日期
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String today = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
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// 简单的意图识别
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if (message.contains("待发货") || message.contains("未发货")) {
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return orderToolService.getPendingOrders();
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} else if (message.contains("所有")) {
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return orderToolService.getAllOrders();
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} else if (message.contains("状态")) {
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// 提取状态
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String status = message.replaceAll(".*状态为([^，。]+).*", "$1");
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return orderToolService.getOrdersByStatus(status);
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} else if (message.contains("订单号") || message.contains("订单ID")) {
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// 提取订单号
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String orderId = message.replaceAll(".*[订单号|订单ID][：:]([^，。]+).*", "$1");
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return orderToolService.getOrderById(orderId);
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} else {
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// 默认返回所有订单
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return orderToolService.getAllOrders();
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}
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} else {
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// 根据模型名称创建对应的ChatModel
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OllamaChatModel modelInstance = OllamaChatModel.builder()
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.baseUrl("http://localhost:11434") // Ollama默认端口
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.modelName(model) // 使用指定的模型
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.temperature(0.7)
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.timeout(Duration.ofSeconds(300)) // 超时时间设置为300秒（5分钟）
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.build();
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// 替换消息中的"今天"为具体日期
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message = message.replace("今天", today);
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// 调用Ollama模型获取回复
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return modelInstance.chat(message);
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}
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// 根据模型名称创建对应的ChatModel
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OllamaChatModel modelInstance = OllamaChatModel.builder()
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.baseUrl("http://localhost:11434") // Ollama默认端口
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.modelName(model) // 使用指定的模型
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.temperature(0.7)
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.timeout(Duration.ofSeconds(300)) // 超时时间设置为300秒（5分钟）
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.build();
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// 创建订单工具服务
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OrderToolService orderToolService = new OrderToolService();
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// 使用AiServices创建AI服务，自动处理工具调用
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OrderAiService aiService = AiServices.builder(OrderAiService.class)
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.chatModel(modelInstance)
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.tools(orderToolService)
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.build();
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// 执行AI服务，添加今天的日期信息
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String enhancedMessage = "今天的日期是：" + today + "\n" + message;
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System.out.println("发送给AI的消息: " + enhancedMessage);
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String result = aiService.chat(enhancedMessage);
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System.out.println("AI返回的结果: " + result);
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return result;
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} catch (Exception e) {
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e.printStackTrace();
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return "错误: " + e.getMessage();
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@ -209,8 +209,12 @@ export default {
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this.isLoading = false;
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}
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// 添加实际回复消息
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// 确保消息内容是完整的，处理多行消息
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let messageContent = event.data;
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// 移除可能的data:前缀
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messageContent = messageContent.replace(/^data:/g, '');
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this.messages.push({
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content: event.data,
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content: messageContent,
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time: this.formatTime(new Date()),
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isMe: false,
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avatar: ''
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