feat: 对网络请求的调整优化处理

request/api/AgentChatStream.js

@@ -0,0 +1,79 @@
+import { BASE_URL } from "../../constant/base";
+
+/// 请求流式数据的API
+const API = '/agent/assistant/chat';
+
+/**
+ * 获取AI聊天流式信息（仅微信小程序支持）
+ * @param {Object} params 请求参数
+ * @param {Function} onChunk 回调，每收到一段数据触发
+ * @returns {Promise}
+ */
+function agentChatStream(params, onChunk) {
+    return new Promise((resolve, reject) => {
+        const token = uni.getStorageSync('token');
+
+        console.log("发送请求内容: ", params)
+        // #ifdef MP-WEIXIN
+        const requestTask = uni.request({
+            url: BASE_URL + API, // 替换为你的接口地址
+            method: 'POST',
+            data: params,
+            enableChunked: true,
+            header: {
+                Accept: 'text/event-stream',
+                'Content-Type': 'application/json',
+                Authorization: `Bearer ${token}`, // 如需token可加
+            },
+            responseType: 'arraybuffer',
+            success(res) {
+                resolve(res.data);
+            },
+            fail(err) {
+                reject(err);
+            }
+        });
+
+        requestTask.onHeadersReceived(res => {
+            console.log('onHeadersReceived', res);
+        });
+
+        requestTask.onChunkReceived(res => {
+            const base64 = uni.arrayBufferToBase64(res.data);
+            let data = '';
+            try {
+                data = decodeURIComponent(escape(atob(base64)));
+            } catch (e) {
+                // 某些平台可能不支持 atob，可以直接用 base64
+                data = base64;
+            }
+            const messages = parseSSEChunk(data);
+            messages.forEach(msg => {
+                if (onChunk) onChunk(msg);
+            });
+        });
+        // #endif
+    });
+}
+
+// 解析SSE分段数据
+function parseSSEChunk(raw) {
+    // 拆分为多段
+    const lines = raw.split('\n\n');
+    const results = [];
+    lines.forEach(line => {
+        // 只处理包含 data: 的行
+        const dataMatch = line.match(/data:(\{.*\})/);
+        if (dataMatch && dataMatch[1]) {
+            try {
+                const obj = JSON.parse(dataMatch[1]);
+                results.push(obj);
+            } catch (e) {
+                // 解析失败忽略
+            }
+        }
+    });
+    return results;
+}
+
+export { agentChatStream }