From 5fa68fa45b956fb7aa0705c865056261445d3cee Mon Sep 17 00:00:00 2001
From: bwcx_jzy <bwcx_jzy@163.com>
Date: Sat, 10 Aug 2019 11:22:00 +0800
Subject: [PATCH] =?UTF-8?q?=E9=80=80=E6=A0=BC=E9=94=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../keepbx/jpom/socket/handler/SshHandler.java  |  5 +++++
 .../resources/templates/node/ssh/terminal.html  | 17 +++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/modules/server/src/main/java/cn/keepbx/jpom/socket/handler/SshHandler.java b/modules/server/src/main/java/cn/keepbx/jpom/socket/handler/SshHandler.java
index 32b460da4..28d78bd2e 100644
--- a/modules/server/src/main/java/cn/keepbx/jpom/socket/handler/SshHandler.java
+++ b/modules/server/src/main/java/cn/keepbx/jpom/socket/handler/SshHandler.java
@@ -201,6 +201,11 @@ public class SshHandler extends BaseHandler {
     }
 
     private static void sendBinary(WebSocketSession session, String msg) {
+        // 判断退格键
+        char[] chars = msg.toCharArray();
+        if (chars.length == 1 && chars[0] == 127) {
+            return;
+        }
         synchronized (session.getId()) {
             BinaryMessage byteBuffer = new BinaryMessage(msg.getBytes());
             try {
diff --git a/modules/server/src/main/resources/templates/node/ssh/terminal.html b/modules/server/src/main/resources/templates/node/ssh/terminal.html
index b9eacd28b..3144fef9e 100644
--- a/modules/server/src/main/resources/templates/node/ssh/terminal.html
+++ b/modules/server/src/main/resources/templates/node/ssh/terminal.html
@@ -40,10 +40,27 @@
         term.onData(function (data) {
             sock.send(JSON.stringify({'data': data}));
         });
+
+        // 监听按键
+        var startX = 2;
+        term.onKey(function (key) {
+            var ev = key.domEvent;
+            // const printable = !ev.altKey && !ev.altGraphKey && !ev.ctrlKey && !ev.metaKey;
+            if (ev.keyCode === 8) {
+                // Do not delete the prompt
+                if (term._core.buffer.x > startX) {
+                    term.write('\b \b');
+                }
+            }
+        });
         //
         sock.onopen = function () {
             term.open(terminal, true);
             top.layer.closeAll();
+            setTimeout(function () {
+                startX = term._core.buffer.x;
+                // console.log();
+            }, 2000);
         };
 
         sock.onmessage = function (msg) {