From 38a698f07b5f2e172b339a3c8456f41016c5f43c Mon Sep 17 00:00:00 2001
From: TsMask <340112800@qq.com>
Date: Tue, 10 Dec 2024 10:25:00 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20redis=E7=BB=88=E7=AB=AF=E6=94=B9?=
 =?UTF-8?q?=E4=B8=BA=E5=91=BD=E4=BB=A4=E8=BE=93=E5=85=A5=E6=A1=86=EF=BC=8C?=
 =?UTF-8?q?=E7=A6=81=E6=AD=A2=E7=AA=97=E5=8F=A3=E8=BE=93=E5=85=A5?=
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Content-Transfer-Encoding: 8bit

---
 src/components/TerminalRedis/index.vue | 142 ++++++++++++++++++-------
 1 file changed, 103 insertions(+), 39 deletions(-)

diff --git a/src/components/TerminalRedis/index.vue b/src/components/TerminalRedis/index.vue
index f9271b89..e01081ac 100644
--- a/src/components/TerminalRedis/index.vue
+++ b/src/components/TerminalRedis/index.vue
@@ -1,5 +1,6 @@
 <script lang="ts" setup>
-import { ref, onMounted, onBeforeUnmount, nextTick } from 'vue';
+import { message } from 'ant-design-vue/es';
+import { ref, reactive, onMounted, onBeforeUnmount, nextTick } from 'vue';
 import { FitAddon } from '@xterm/addon-fit';
 import { Terminal } from '@xterm/xterm';
 import '@xterm/xterm/css/xterm.css';
@@ -31,8 +32,91 @@ const terminalDom = ref<HTMLElement | undefined>(undefined);
 /**终端输入实例对象 */
 const terminal = ref<any>(null);
 
-/**终端输入命令 */
-const terminalCmd = ref<string>('');
+/**终端输入文字状态 */
+const terminalState = reactive<{
+  /**输入值 */
+  text: string;
+  /**历史 */
+  history: {
+    label?: string;
+    value: string;
+  }[];
+}>({
+  text: '',
+  history: [
+    {
+      value: 'info server',
+    },
+    {
+      value: 'info replication',
+    },
+    {
+      value: 'keys ausf:*',
+    },
+    {
+      value: 'quit',
+    },
+  ],
+});
+
+/**自动完成根据输入项进行筛选 */
+function fnAutoCompleteFilter(input: string, option: any) {
+  return option.value.toLowerCase().indexOf(input.toLowerCase()) >= 0;
+}
+
+/**自动完成按键触发 */
+function fnAutoCompleteKeydown(evt: KeyboardEvent) {
+  if (evt.key === 'Enter') {
+    // 阻止默认的换行行为
+    evt.preventDefault();
+    // 按下 Shift + Enter 键时换行
+    if (evt.shiftKey && evt.target) {
+      // 插入换行符
+      const textarea = evt.target as HTMLInputElement;
+      const start = textarea.selectionStart || 0;
+      const end = textarea.selectionEnd || 0;
+      const text = textarea.value;
+      textarea.value = text.substring(0, start) + '\n' + text.substring(end);
+      terminalState.text = textarea.value;
+      // 更新光标位置
+      textarea.selectionStart = textarea.selectionEnd = start + 1;
+    } else {
+      // ws未连接
+      if (ws.state() !== WebSocket.OPEN) {
+        message.error('disconnected');
+        return;
+      }
+
+      // 输入历史
+      const cmdStr = terminalState.text.trim().replace(/\n/g, '\r\n');
+      const hisIndex = terminalState.history.findIndex(
+        item => item.value === cmdStr
+      );
+      if (hisIndex === -1) {
+        terminalState.history.push({
+          value: cmdStr,
+        });
+      }
+
+      // 发送文本
+      terminal.value.scrollToBottom();
+      terminal.value.writeln('\r\n> ' + cmdStr);
+      ws.send({
+        requestId: `redis_${props.hostId}`,
+        type: 'redis',
+        data: `${cmdStr}\r\n`,
+      });
+      terminalState.text = '';
+
+      // 退出登录
+      if (['q', 'quit', 'exit'].includes(cmdStr)) {
+        setTimeout(() => {
+          ws.close();
+        }, 1000);
+      }
+    }
+  }
+}
 
 /**终端输入渲染 */
 function handleRanderXterm(container: HTMLElement | undefined) {
@@ -49,47 +133,13 @@ function handleRanderXterm(container: HTMLElement | undefined) {
     scrollback: 1000,
     scrollSensitivity: 15,
     tabStopWidth: 4,
-    disableStdin: false, // 禁止输入
+    disableStdin: true, // 禁止输入
   });
   // 挂载
   xterm.open(container);
   // 自适应尺寸
   const fitAddon = new FitAddon();
   xterm.loadAddon(fitAddon);
-  // 终端输入字符按键监听
-  xterm.onKey(({ key, domEvent }) => {
-    // console.log(key, domEvent);
-    // 单键输入
-    switch (domEvent.key) {
-      case 'Enter':
-        const cmdStr = terminalCmd.value.trim();
-        // 发送文本
-        terminal.value.scrollToBottom();
-        terminal.value.writeln('\r\n');
-        ws.send({
-          requestId: `redis_${props.hostId}`,
-          type: 'redis',
-          data: `${cmdStr}\r\n`,
-        });
-        terminalCmd.value = '';
-
-        // 退出登录
-        if ('quit' === cmdStr) {
-          setTimeout(() => {
-            ws.close();
-          }, 1000);
-        }
-        break;
-      case 'Backspace':
-        // 处理退格键，删除最后一个字符
-        xterm.write('\b \b');
-        break;
-      default:
-        xterm.write(key);
-        terminalCmd.value += key;
-        return;
-    }
-  });
   // 创建 ResizeObserver 实例
   var observer = new ResizeObserver(entries => {
     fitAddon.fit();
@@ -213,7 +263,21 @@ defineExpose({
 
 <template>
   <div class="terminal">
-    <div ref="terminalDom" :id="id" class="terminal"></div>
+    <div ref="terminalDom" style="height: calc(100% - 36px)" :id="id"></div>
+    <a-auto-complete
+      v-model:value="terminalState.text"
+      :dropdown-match-select-width="500"
+      style="width: 100%"
+      :options="terminalState.history"
+      :filter-option="fnAutoCompleteFilter"
+      :defaultActiveFirstOption="false"
+    >
+      <a-textarea
+        :auto-size="{ minRows: 1, maxRows: 6 }"
+        placeholder="Execute command. Shift+Enter to line feed, Enter to send"
+        @keypress="fnAutoCompleteKeydown"
+      />
+    </a-auto-complete>
   </div>
 </template>