feat(input): add select method and clean up redundant code

- Add select() method to Input component for programmatic text selection
- Clean up redundant keyboard event handlers in examples and docs
- Fix variable naming consistency in documentation
- Remove unused handleEnter functions and value15 variables
- Update type definitions to include select method

Author: xueyuan

packages/varlet-ui/src/input/docs/en-US.md

@@ -26,7 +26,6 @@ const value12 = ref('')
 const value13 = ref('')
 const value14 = ref('')
 const value15 = ref('')
-const value16 = ref('')
 const inputRef = ref()
 
 const selectAll = () => {
@@ -80,7 +79,7 @@ const selectAll = () => {
       <var-input 
         ref="inputRef"
         placeholder="Enter text and click the button to select all" 
-        v-model="value16"
+        v-model="value15"
       />
       <var-button type="primary" @click="selectAll">Select All</var-button>
     </var-space>
@@ -120,7 +119,6 @@ const value12 = ref('')
 const value13 = ref('')
 const value14 = ref('')
 const value15 = ref('')
-const value16 = ref('')
 const inputRef = ref()
 
 const selectAll = () => {
@@ -180,7 +178,7 @@ const selectAll = () => {
       <var-input 
         ref="inputRef"
         placeholder="Enter text and click the button to select all" 
-        v-model="value16"
+        v-model="value15"
       />
       <var-button type="primary" @click="selectAll">Select All</var-button>
     </var-space>

packages/varlet-ui/src/input/docs/zh-CN.md

@@ -27,13 +27,8 @@ const value12 = ref('')
 const value13 = ref('')
 const value14 = ref('')
 const value15 = ref('')
-const value16 = ref('')
 const inputRef = ref()
 
-const handleEnter = (value) => {
-  Snackbar.info(`回车键被按下，当前值：${value}`)
-}
-
 const selectAll = () => {
   inputRef.value?.select()
 }
@@ -85,7 +80,7 @@ const selectAll = () => {
       <var-input 
         ref="inputRef"
         placeholder="输入文本后点击按钮全选" 
-        v-model="value16"
+        v-model="value15"
       />
       <var-button type="primary" @click="selectAll">全选</var-button>
     </var-space>

packages/varlet-ui/src/input/example/index.vue

@@ -19,7 +19,6 @@ const standardValue12 = ref('')
 const standardValue13 = ref('')
 const standardValue14 = ref('')
 const standardValue15 = ref('')
-const standardValue16 = ref('')
 
 const outlinedValue = ref('')
 const outlinedValue2 = ref('')
@@ -38,14 +37,6 @@ const outlinedValue14 = ref('')
 
 const inputRef = ref()
 
-const handleEnter = (value, e) => {
-  Snackbar.info(`回车键被按下，当前值：${value}`)
-}
-
-const handleKeydown = (e) => {
-  console.log('keydown:', e.key)
-}
-
 const selectAll = () => {
   inputRef.value?.select()
 }
@@ -94,9 +85,8 @@ onThemeChange()
     <var-input v-model="standardValue10" :placeholder="t('textarea')" textarea />
     <var-input v-model="standardValue11" :placeholder="t('smallSize')" size="small" />
     <var-input v-model.trim="standardValue12" :placeholder="t('trim')" />
-    <var-input v-model="standardValue15" :placeholder="t('enterKey')" @enter="handleEnter" @keydown="handleKeydown" />
     <var-space>
-      <var-input ref="inputRef" v-model="standardValue16" :placeholder="t('selectAll')" />
+      <var-input ref="inputRef" v-model="standardValue15" :placeholder="t('selectAll')" />
       <var-button type="primary" @click="selectAll">{{ t('selectAllButton') }}</var-button>
     </var-space>
   </var-space>

packages/varlet-ui/src/input/example/locale/en-US.ts

@@ -17,8 +17,7 @@ export default {
   placeholder: 'Please enter text',
   numberPlaceholder: 'Please enter number',
   maxMessage: 'Text length must be greater than 6',
-  clearableText: 'Clearable Text',
-  enterKey: 'Try pressing Enter',
+  clearableText: 'Clearable text',
   selectAll: 'Type text and click button to select all',
   selectAllButton: 'Select All',
 }

packages/varlet-ui/src/input/example/locale/zh-CN.ts

@@ -18,7 +18,6 @@ export default {
   numberPlaceholder: '请输入数字',
   maxMessage: '文本长度必须大于6',
   clearableText: '可清除文本',
-  enterKey: '按下回车键试试',
-  selectAll: '输入文本后点击按钮全选',
+  selectAll: '输入文本后点击按钮 全选',
   selectAllButton: '全选',
 }