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feat: 接入火山引擎 API 并完善前端 #20

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Merged
merged 1 commit into from
Oct 9, 2025
Merged

feat: 接入火山引擎 API 并完善前端 #20

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Binary file added AmberJc1/.gitignore
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103 changes: 95 additions & 8 deletions AmberJc1/controllers/chat.go
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Original file line number Diff line number Diff line change
@@ -1,9 +1,14 @@
package controllers

import (
"bytes"
"crypto/md5"
"encoding/hex"
"encoding/json"
"fmt"
"io"
"net/http"
"os"
"time"

"houduan_from/config"
Expand All @@ -13,7 +18,7 @@ import (
"github.com/golang-jwt/jwt/v5"
)

// 用户注册
// ====================== 用户注册 ======================
func Register(c *gin.Context) {
var user models.User
if err := c.ShouldBindJSON(&user); err != nil {
Expand All @@ -26,7 +31,7 @@ func Register(c *gin.Context) {
return
}

// 对密码做 MD5 加密
// 密码 MD5 加密
h := md5.New()
h.Write([]byte(user.Password))
user.Password = hex.EncodeToString(h.Sum(nil))
Expand All @@ -39,7 +44,7 @@ func Register(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"message": "注册成功"})
}

// 用户登录
// ====================== 用户登录 ======================
func Login(c *gin.Context) {
var loginData struct {
Username string `json:"username"`
Expand All @@ -50,7 +55,7 @@ func Login(c *gin.Context) {
return
}

// 把输入的密码 MD5 加密
// 对密码做 MD5 加密再验证
h := md5.New()
h.Write([]byte(loginData.Password))
password := hex.EncodeToString(h.Sum(nil))
Expand All @@ -75,7 +80,7 @@ func Login(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"token": tokenString})
}

// JWT 鉴权中间件
// ====================== JWT 鉴权中间件 ======================
func AuthMiddleware() gin.HandlerFunc {
return func(c *gin.Context) {
tokenString := c.GetHeader("Authorization")
Expand Down Expand Up @@ -104,19 +109,101 @@ func AuthMiddleware() gin.HandlerFunc {
}
}

// 聊天接口
// ====================== 聊天接口（接入火山引擎） ======================
func Chat(c *gin.Context) {
var chatData struct {
Question string `json:"question"`
ImageURL string `json:"image_url"`
}
if err := c.ShouldBindJSON(&chatData); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "参数错误"})
return
}

userID := c.GetInt("user_id")
answer := "这是AI的回答：" + chatData.Question

apiKey := os.Getenv("VOLC_API_KEY")
apiURL := os.Getenv("VOLC_API_URL")
model := os.Getenv("VOLC_MODEL_ID")

if apiKey == "" || apiURL == "" || model == "" {
c.JSON(http.StatusInternalServerError, gin.H{"error": "火山引擎配置缺失"})
return
}

// 构建消息内容
content := []map[string]interface{}{}
if chatData.ImageURL != "" {
content = append(content, map[string]interface{}{
"type": "image_url",
"image_url": map[string]string{
"url": chatData.ImageURL,
},
})
}
content = append(content, map[string]interface{}{
"type": "text",
"text": chatData.Question,
})

// 构建请求体
reqBody := map[string]interface{}{
"model": model,
"messages": []map[string]interface{}{
{
"role": "user",
"content": content,
},
},
}

bodyBytes, _ := json.Marshal(reqBody)

req, _ := http.NewRequest("POST", apiURL, bytes.NewBuffer(bodyBytes))
req.Header.Set("Content-Type", "application/json")
req.Header.Set("Authorization", "Bearer "+apiKey)

resp, err := http.DefaultClient.Do(req)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "调用火山引擎失败", "detail": err.Error()})
return
}
defer resp.Body.Close()
Comment on lines +166 to +171
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@coderabbitai coderabbitai bot Oct 9, 2025

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⚠️ Potential issue | 🟠 Major

为外部 HTTP 调用设置超时

http.DefaultClient 默认无超时，若火山接口网络抖动或响应挂起，请求会一直阻塞占用 Gin 处理线程，造成雪崩风险。建议自建 &http.Client{Timeout: ...} 或为请求设置 context.WithTimeout。

-	resp, err := http.DefaultClient.Do(req)
+	client := &http.Client{Timeout: 10 * time.Second}
+	resp, err := client.Do(req)

按需调整超时并复用 client。 -->

🤖 Prompt for AI Agents 
In AmberJc1/controllers/chat.go around lines 166 to 171, the code uses
http.DefaultClient.Do(req) which has no timeout; change it to use a client with
a timeout or perform the request with a context that has a deadline to avoid
blocking Gin handlers: create or reuse an &http.Client{Timeout: <reasonable
duration>} (or wrap the request with context.WithTimeout and pass
req.WithContext(ctx)), use that client to Do the request, handle the context
timeout error and still defer resp.Body.Close() only after a successful
response; ensure the client is reused (e.g., package-level variable) instead of
creating a new client per request if appropriate.


body, _ := io.ReadAll(resp.Body)

if resp.StatusCode != http.StatusOK {
c.JSON(http.StatusInternalServerError, gin.H{
"error": fmt.Sprintf("火山接口错误: %s", resp.Status),
"detail": string(body),
})
return
}

// 解析响应
var result map[string]interface{}
if err := json.Unmarshal(body, &result); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "解析火山返回失败", "detail": err.Error()})
return
}

// 提取回答内容
answer := "AI暂无回复"
if choices, ok := result["choices"].([]interface{}); ok && len(choices) > 0 {
if choice, ok := choices[0].(map[string]interface{}); ok {
if message, ok := choice["message"].(map[string]interface{}); ok {
if contentArr, ok := message["content"].([]interface{}); ok && len(contentArr) > 0 {
if first, ok := contentArr[0].(map[string]interface{}); ok {
if text, ok := first["text"].(string); ok {
answer = text
}
}
}
}
}
}

// 保存聊天记录
chat := models.Chat{
UserID: uint(userID),
Question: chatData.Question,
Expand All @@ -130,7 +217,7 @@ func Chat(c *gin.Context) {
})
}

// 获取聊天记录
// ====================== 获取聊天记录 ======================
func GetChatHistory(c *gin.Context) {
userID := c.GetInt("user_id")
var chats []models.Chat
Expand Down
Empty file added AmberJc1/frontend/.env
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12 changes: 12 additions & 0 deletions AmberJc1/frontend/index.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Chat Demo</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.jsx"></script>
</body>
</html>
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