From ead2676f0b0721c4e965f126af09f3a0e1483212 Mon Sep 17 00:00:00 2001
From: guoapeng <GuoAnPeng@163.com>
Date: Sun, 6 Jul 2025 23:10:54 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E8=99=9A=E6=8B=9F?=
 =?UTF-8?q?=E9=94=AE=E7=9B=98=E5=85=89=E6=A0=87=E7=A7=BB=E4=BD=8D=E9=80=80?=
 =?UTF-8?q?=E6=A0=BC=E6=9A=B4=E9=9C=B2=E7=9A=84=E9=97=AE=E9=A2=98?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/components/common/FTInput/index.vue | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/components/common/FTInput/index.vue b/src/components/common/FTInput/index.vue
index b4e43f2..fbe6b3a 100644
--- a/src/components/common/FTInput/index.vue
+++ b/src/components/common/FTInput/index.vue
@@ -180,12 +180,18 @@ const ignoreBlur = ref(false)
 
 const handleBackspace = () => {
   ignoreBlur.value = true
-  // const position = keyboard.value.getCaretPosition()
-  // console.log(position)
-  const value = model.value?.toString() || ''
-  model.value = value.slice(0, -1)
+  const input = model.value?.toString() || ''
+  let index: number | null
 
-  console.log(model.value)
+  // 有选中文本时删除整个选区
+  const start = keyboard.value.getCaretPosition()
+  const end = keyboard.value.getCaretPositionEnd()
+  model.value = input.slice(0, start) + input.slice(end)
+  // eslint-disable-next-line prefer-const
+  index = start
+
+  // 更新光标位置
+  keyboard.value.setCaretPosition(index)
   // 设置短时间延迟恢复 blur 监听
   setTimeout(() => {
     ignoreBlur.value = false