From c98acc813b9172b18768f6f063bd6dc5d45553cf Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Mon, 10 Mar 2025 10:43:21 +0800
Subject: [PATCH] 输入框，修复小程序中光标位置总是跳到首位的问题
---
forms/select/CSelect.vue | 117 +++++++++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 94 insertions(+), 23 deletions(-)
diff --git a/forms/select/CSelect.vue b/forms/select/CSelect.vue
index 9d3f847..5183bb9 100644
--- a/forms/select/CSelect.vue
+++ b/forms/select/CSelect.vue
@@ -4,29 +4,68 @@
*/
<template>
- <view class="c-select">
- <picker
- mode="selector"
- :range="range"
- :value="current"
- @change="evt=>handleChange(evt.detail)"
+ <view
+ class="c-select"
+ :class="readOnly?'read-only':''"
+ >
+ <!-- 下拉选择模式 -->
+ <view
+ v-if="!selectByPage"
+ class="c-select-slot-mode"
+ >
+ <picker
+ class="c-select-input"
+ mode="selector"
+ :range="options"
+ :value="current"
+ range-key="name"
+ @change="evt=>handleChange(evt.detail)"
+ >
+ <AtInput
+ ref="input"
+ :name="itemRes.name"
+ :title="itemRes.label"
+ :required="itemRes.required"
+ :disabled="itemRes.disabled"
+ :error="itemRes.error"
+ :placeholder="placeholder"
+ :value="selected"
+ >
+ <view
+ v-show="!readOnly"
+ class="at-icon at-icon-chevron-right"
+ />
+ </AtInput>
+ </picker>
+ <view class="c-select-slot">
+ <slot />
+ </view>
+ </view>
+ <!-- 跳转页面模式 -->
+ <view
+ v-else-if="selectByPage.length > 5 || selectByPage === 'on'"
+ @tap="evt => onGoSelectorPage()"
>
<AtInput
- ref="input"
- :name="itemData.name"
- :title="itemData.label"
- :required="itemData.required"
- :error="itemData.error"
+ :name="itemRes.name"
+ :title="itemRes.label"
+ :required="itemRes.required"
+ :disabled="itemRes.disabled"
+ :error="itemRes.error"
:placeholder="placeholder"
- :value="selected"
+ :value="choose.name || selected"
>
- <view class="at-icon at-icon-chevron-right" />
+ <view
+ v-show="!readOnly"
+ class="at-icon at-icon-chevron-right"
+ />
</AtInput>
- </picker>
+ </view>
</view>
</template>
<script>
+import Taro from '@tarojs/taro';
import { AtInput } from 'taro-ui-vue';
import './cSelect.scss';
@@ -36,21 +75,36 @@
AtInput,
},
props: {
+ // 表单数据资源（表单组件内部机制专用）
+ itemRes: Object,
+ // 选择菜单选项（浮窗模式）
options: Array,
+ // 占位提示
placeholder: String,
- itemData: Object,
+ // 只读模式
+ readOnly: {
+ type: Boolean,
+ default: false,
+ },
+ // 开启选择菜单跳转选择页面模式，值为 'on'
+ selectByPage: String,
+ // 页面跳转on模式下，发起选择的回调
+ onOpenSelectorPage: Function,
},
data() {
return {
- optionKey: typeof this.options[0].value === 'undefined' ? 'id' : 'value',
+ choose: {
+ name: '',
+ value: null,
+ },
};
},
computed: {
- range() {
- return (this.options || []).map((item) => item.name || item[this.optionKey]);
+ optionKey() {
+ return typeof (this.options[0] || {}).value === 'undefined' ? 'id' : 'value';
},
current() {
- const curVal = this.itemData.formData[this.itemData.name];
+ const curVal = this.itemRes.formData[this.itemRes.name];
for (let i = 0, item; (item = this.options[i]); i++) {
if (curVal === item[this.optionKey]) {
return i;
@@ -59,7 +113,7 @@
return -1;
},
selected() {
- const curVal = this.itemData.formData[this.itemData.name];
+ const curVal = this.itemRes.formData[this.itemRes.name];
for (let i = 0, item; (item = this.options[i]); i++) {
if (curVal === item[this.optionKey]) {
return item.name;
@@ -70,10 +124,27 @@
},
methods: {
handleChange(evt) {
- const item = this.options[evt.value];
- this.itemData.onChange(item[this.optionKey]);
+ if (typeof this.optionKey === 'undefined') {
+ this.itemRes.onChange();
+ } else {
+ const item = this.options[evt.value];
+ this.itemRes.onChange(item[this.optionKey]);
+ }
+ },
+ onGoSelectorPage() {
+ if (this.selectByPage === 'on') {
+ this.onOpenSelectorPage && this.onOpenSelectorPage();
+ return;
+ }
+ // 页面跳转URL模式已废弃
+ console.warn('CSelect：警告，url跳转已废弃，无法再使用！');
},
},
- mounted() {},
+ mounted() {
+ if (this.selectByPage && this.selectByPage !== 'on') {
+ // 页面跳转URL模式已废弃
+ console.warn('CSelect：警告，url跳转已废弃，无法再使用！');
+ }
+ },
};
</script>
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