加后台登录、图片预览发送、自动清理上传文件

am.py

@@ -269,6 +269,21 @@ def backup_db():
         print(f"[数据库备份失败] {e}")
 
 
+def cleanup_uploads():
+    """删除 uploads/ 里 7 天前的图片"""
+    try:
+        udir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "uploads")
+        if not os.path.isdir(udir):
+            return
+        cutoff = time.time() - 7 * 86400
+        for f in os.listdir(udir):
+            fp = os.path.join(udir, f)
+            if os.path.isfile(fp) and os.path.getmtime(fp) < cutoff:
+                os.remove(fp)
+    except Exception as e:
+        print(f"[清理上传文件失败] {e}")
+
+
 def cleanup_old_conversations():
     """自动清理 30 天前的旧对话，防止数据库无限膨胀"""
     try:
@@ -290,6 +305,7 @@ def cleanup_old_conversations():
 
 
 backup_db()
+cleanup_uploads()
 # 自动清理已关闭，不删旧对话
 
 
@@ -919,6 +935,9 @@ def stream_chat():
         conv_id = request.args.get("conv_id", type=int)
     if not msg:
         return Response(sse({"e": "问题不能为空"}), mimetype="text/event-stream")
+    # 纯图片消息：不调AI
+    if "[图片]" in msg and len(msg) < 300:
+        return Response(sse({"t": "收到您的图片，请描述一下您的问题。"}), mimetype="text/event-stream")
 
     # 运单号：直接给轨迹卡片，不让模型编
     track_no = extract_tracking_no(msg)
@@ -1437,8 +1456,19 @@ def uploaded_file(name):
 def index():
     return render_template("index.html")
 
+@app.route("/admin/login", methods=["POST"])
+def admin_login():
+    pwd = request.json.get("password", "")
+    if pwd == "123":
+        return jsonify({"ok": True})
+    return jsonify({"ok": False}), 401
+
 @app.route("/admin")
 def admin():
+    return render_template("admin_login.html")
+
+@app.route("/admin/dashboard")
+def admin_dash():
     return render_template("admin.html")
 
 

templates/admin.html

@@ -149,7 +149,12 @@ function switchSession(sid){
 function appendMsg(m){
   var div=document.createElement("div");
   div.className="msg "+(m.side==="customer"?"cust":"agent");
-  div.innerHTML='<div><div class="bubble">'+m.content.replace(/</g,"&lt;")+'</div><div class="meta">'+(m.side==="customer"?"客户":"客服")+'</div></div>';
+  var c = m.content.replace(/</g,"&lt;");
+  var imgMatch = c.match(/\[图片\](\/uploads\/\S+)/);
+  if(imgMatch){
+    c = c.replace(imgMatch[0], '<img src="'+imgMatch[1]+'" style="max-width:200px;border-radius:6px;display:block;">');
+  }
+  div.innerHTML='<div><div class="bubble">'+c+'</div><div class="meta">'+(m.side==="customer"?"客户":"客服")+'</div></div>';
   document.getElementById("chatBox").appendChild(div);
   document.getElementById("chatBox").scrollTop=999999;
 }

templates/admin_login.html

@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html lang="zh">
+<head>
+<meta charset="UTF-8">
+<title>登录 - 客服后台</title>
+<style>
+body{font-family:sans-serif;background:#f0f2f5;display:flex;align-items:center;justify-content:center;height:100vh;margin:0;}
+.box{background:#fff;padding:40px;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,0.1);width:320px;}
+h2{text-align:center;color:#18479c;margin-bottom:24px;}
+input{width:100%;padding:10px;border:1px solid #ddd;border-radius:6px;margin-bottom:12px;font-size:14px;box-sizing:border-box;}
+button{width:100%;padding:10px;background:#2978e8;color:#fff;border:none;border-radius:6px;font-size:14px;cursor:pointer;}
+.err{color:#dc2626;font-size:13px;text-align:center;display:none;}
+</style>
+</head>
+<body>
+<div class="box">
+  <h2>🔒 后台登录</h2>
+  <input type="password" id="pwd" placeholder="请输入密码">
+  <p class="err" id="err">密码错误</p>
+  <button onclick="login()">登录</button>
+</div>
+<script>
+function login(){
+  var p=document.getElementById("pwd").value;
+  fetch("/admin/login",{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({password:p})})
+  .then(function(r){if(r.ok){location.href="/admin/dashboard"}else{document.getElementById("err").style.display="block"}});
+}
+document.getElementById("pwd").addEventListener("keydown",function(e){if(e.key==="Enter")login()});
+</script>
+</body>
+</html>

templates/index.html

@@ -1321,9 +1321,15 @@ uploadInput.onchange = function(){
     .then(data=>{
         uploadBtn.textContent = "📎";
         if(data.ok){
-            let text = "[附件] " + data.url;
+            window.__pendingImg = data.url;
-            if(data.is_image) text = "[图片] " + data.url;
+            var old = document.getElementById("imgPreview");
-            inputDom.value = text;
+            if(old) old.remove();
+            var prev = document.createElement("div");
+            prev.id = "imgPreview";
+            prev.style.cssText="margin:0 0 8px 50px;";
+            prev.innerHTML = '<img src="'+data.url+'" style="max-height:60px;border-radius:6px;border:1px solid #ddd;">';
+            var area = document.querySelector(".input-area");
+            area.insertBefore(prev, area.firstChild);
             inputDom.focus();
         }else{
             alert(data.error || "上传失败");
@@ -1961,7 +1967,8 @@ function addMsg(content, isUser){
         const userMsg = document.createElement('div');
         userMsg.className = "user-message";
         if(imgUrl){
-            userMsg.innerHTML = '<img src="' + imgUrl + '" style="max-width:220px;border-radius:10px;display:block;padding:0;background:transparent;cursor:zoom-in;" onclick="window.open(this.src)">';
+            var txt = content.replace(/\[图片\]\/uploads\/\S+\.(?:jpg|jpeg|png|gif|webp)/i, "").trim();
+            userMsg.innerHTML = '<img src="' + imgUrl + '" style="max-width:220px;border-radius:10px;display:block;background:transparent;cursor:zoom-in;" onclick="window.open(this.src)">' + (txt ? '<div style="margin-top:6px;">'+txt+'</div>' : '');
         }else{
             userMsg.innerText = content;
         }
@@ -2121,17 +2128,21 @@ function renderFollowups(bubble){
 async function doSend(retryText){
     const isRetry = typeof retryText === "string";
     const sendWord = (isRetry ? retryText : inputDom.value).trim();
-    if(!sendWord){
+    var imgUrl = window.__pendingImg || "";
+    if(!sendWord && !imgUrl){
         inputDom.focus();
         return;
     }
-
     // 人工客服模式：直接发给客服，不走AI
     if(window.humanSid){
-        if(!isRetry) addMsg(sendWord, true);
+        var content = sendWord;
+        if(imgUrl) content += (content ? " " : "") + "[图片]" + imgUrl;
+        if(!isRetry) addMsg(content, true);
         inputDom.value = "";
+        window.__pendingImg = "";
+        var p = document.getElementById("imgPreview"); if(p) p.remove();
         inputDom.focus();
-        fetch("/api/human/send",{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({sid:window.humanSid,side:"customer",content:sendWord})});
+        fetch("/api/human/send",{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({sid:window.humanSid,side:"customer",content:content})});
         return;
     }
 
@@ -2139,8 +2150,12 @@ async function doSend(retryText){
     if(cancelActive){ cancelActive(); cancelActive = null; }
 
     if(!isRetry){
-        addMsg(sendWord, true);
+        var fullContent = sendWord;
+        if(imgUrl) fullContent += (fullContent ? " " : "") + "[图片]" + imgUrl;
+        addMsg(fullContent, true);
         inputDom.value = "";
+        window.__pendingImg = "";
+        var p = document.getElementById("imgPreview"); if(p) p.remove();
         inputDom.focus();
     }
 
@@ -2294,7 +2309,7 @@ async function doSend(retryText){
     fetch("/stream_chat", {
         method: "POST",
         headers: {"Content-Type": "application/json"},
-        body: JSON.stringify({msg: sendWord, conv_id: currentConvId}),
+        body: JSON.stringify({msg: fullContent, conv_id: currentConvId}),
         signal: controller.signal
     }).then(function(res){
         if(!res.ok){ throw new Error("HTTP " + res.status); }