input 输入框

• https://developers.weixin.qq.com/miniprogram/dev/component/input.html
• https://uniapp.dcloud.net.cn/component/input.html

<inputclass="input-class"type="text"v-model="value"placeholder-class="placeholder-class"placeholder="请输入"
/>

textarea多行输入框

<textarea v-model="value":maxlength="-1"placeholder="占位符字体是红色的"
/>

需要注意：默认的长度为140个字符

picker 选择器

• https://uniapp.dcloud.net.cn/component/picker.html
• https://developers.weixin.qq.com/miniprogram/dev/component/picker.html

<picker@change="handleChange":value="index"range-key="label":range="options"
><view>{{ options[index]?.label }}</view>
</picker>

{data(){return {index: 0,options: [{value: 1,label: '顺丰',},{value: 2,label: '圆通',},]}},methods: {handleChange(e) {this.index = e.detail.value}}
}