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fix(input): 修复 android 下光标位置错误的问题 #2422

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Merged
hiyuki merged 3 commits into from
Feb 3, 2026
+11 −2
Merged

fix(input): 修复 android 下光标位置错误的问题 #2422

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3e4d134
fix(input): 修复 android 下光标位置错误的问题
dos1in Feb 2, 2026
2119d4a
perf(nput): 使用 extendObject 替代对象展开避免 polyfill
dos1in Feb 2, 2026
e288e65
Merge branch 'master' into master
dos1in Feb 3, 2026
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13 changes: 11 additions & 2 deletions packages/webpack-plugin/lib/runtime/components/react/mpx-input.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ import {
NativeTouchEvent
} from 'react-native'
import { warn } from '@mpxjs/utils'
import { useUpdateEffect, useTransformStyle, useLayout, extendObject, isIOS } from './utils'
import { useUpdateEffect, useTransformStyle, useLayout, extendObject, isAndroid } from './utils'
import useInnerProps, { getCustomEvent } from './getInnerListeners'
import useNodesRef, { HandlerRef } from './useNodesRef'
import { FormContext, FormFieldValue, KeyboardAvoidContext } from './context'
Expand Down Expand Up @@ -188,6 +188,8 @@ const Input = forwardRef<HandlerRef<TextInput, FinalInputProps>, FinalInputProps
}

const defaultValue = parseValue(value)
// 微信小程序的 input 永远是单行，textAlignVertical 固定为 auto
// multiline 为 true 时表示是 textarea 组件复用此逻辑
const textAlignVertical = multiline ? 'top' : 'auto'
const isAutoFocus = !!autoFocus || !!focus

Expand Down Expand Up @@ -467,6 +469,12 @@ const Input = forwardRef<HandlerRef<TextInput, FinalInputProps>, FinalInputProps
: (nodeRef.current as TextInput)?.blur()
}, [isAutoFocus])

// 使用 multiline 来修复光标位置问题
// React Native 的 TextInput 在 textAlign center + placeholder 时光标会跑到右边
// 这个问题只在 Android 上出现
// 参考：https://github.com/facebook/react-native/issues/28794 (Android only)
const needMultilineFix = isAndroid && !multiline

const innerProps = useInnerProps(
extendObject(
{},
Expand All @@ -490,7 +498,7 @@ const Input = forwardRef<HandlerRef<TextInput, FinalInputProps>, FinalInputProps
underlineColorAndroid: 'rgba(0,0,0,0)',
textAlignVertical: textAlignVertical,
placeholderTextColor: placeholderStyle?.color,
multiline: !!multiline,
multiline: multiline || needMultilineFix,
onTouchStart,
onTouchEnd,
onFocus,
Expand All @@ -500,6 +508,7 @@ const Input = forwardRef<HandlerRef<TextInput, FinalInputProps>, FinalInputProps
onContentSizeChange,
onSubmitEditing: bindconfirm && onSubmitEditing
},
needMultilineFix ? { numberOfLines: 1 } : {},
!!multiline && confirmType === 'return' ? {} : { enterKeyHint: confirmType }
),
[
Expand Down