一 组件内容

<template>
	<view class="">
		<!-- 品牌查询  start-->
		<view class="date-background" v-show="flag">
			<view class='date-gray-background' @click="hiddeDatePicker"></view>
			<view class='date-container'>
				<view class="transparent">
					<view class='date-confirm'>
						<view @click="hiddeDatePicker" class="pickerCancel">取消</view>
						<u--input cursorSpacing='500' v-model="searchValue" placeholder="请输入要搜索的品牌名称" border="surround"
							@change='searchChange'></u--input>
						<view @click="confirm1" class="pickerConfirm">确定</view>
					</view>
					<picker-view indicator-class="indicator" :value="setValues" @change="bindChange" 
						indicator-style="height: 100rpx;" mask-style="height:900rpx;"
						style="width: 100%; height: 80%;position:absolute;bottom:0rpx;text-align:center;background:white">
						<picker-view-column class="pickViewColumn">
							<view v-for="item in dataSource" :key="item.id" style="line-height: 68rpx">{{item.name}}
							</view>
						</picker-view-column>
					</picker-view>
				</view>
			</view>
		</view>
		<!-- 品牌查询 end -->
	</view>
</template>

<script>
	export default {
		props: {
			dataSource: {
				type: Array,
				default: null
			},
			/**
			 * picker默认展示的值
			 */
			value: {
				type: Array,
				default () {
					return [0]
				}
			},
		},
		components: {},
		data() {
			return {
				flag: false,
				searchValue: '', // 搜索值
				setValues: [], // picker 选择值
				form:{
					id:'',
					name:''
				}
			}
		},
		onLoad(option) {},
		methods: {
			// 品牌查询
			pinpaiFun() {
				this.flag = true;
			},
			bindChange(e) {
				let value = e.detail.value.toString();
				this.dataSource.forEach((item,index) => {
						if(value == index){
							this.form.id = item.id;
							this.form.name = item.name
						}
				});
			},
			hiddeDatePicker() {
				this.flag = !this.flag
			},
			showDatePicker() {
				this.flag = !this.flag
			},
			confirm1(e) {
				this.flag = !this.flag;
				this.$emit('recload',this.form);
			},
			// 搜索查询
			searchChange(e) {
				this.setValues = [];
				console.log(e, '搜索查询结果')
				// TODO 未完待续，调模糊查询搜索的接口，然后把返回的结果传给this.dataSource数组
				
				
			}
		},
	}
</script>

<style lang='scss' scoped>
	.date-background {
		position: fixed;
		left: 0;
		top: 0;
		bottom: 0;
		width: 100%;
		height: 100%;
		z-index: 2;
	}

	.date-gray-background {
		position: absolute;
		width: 100%;
		top: 0rpx;
		background: rgba(0, 0, 0, .5);
		height: calc(100% - 500rpx);
	}

	.chaxunjieguo {
		width: 100%;
		height: 500rpx;
		overflow: scroll;
		color: black;
	}

	.chaxunjieguo text {
		display: block;
		text-align: center;
		padding-bottom: 10rpx;
	}

	.date-container {
		position: absolute;
		width: 100%;
		height: 600rpx;
		overflow: hidden;
		background: #fff;
		bottom: 0;
		z-index: 1000;
	}

	.date-confirm {
		display: flex;
		justify-content: space-between;
		align-items: center;
		padding: 20rpx;
		font-size: 34rpx;
		line-height: 100rpx;
		z-index: 2;
		// line-height: 70rpx;
		// color: var(--ThemeColor)
	}

	.pickViewColumn {
		height: 600rpx;
		/* margin-top: -300rpx; */
	}

	.indicator {
		height: 80rpx;
		/* border: 1rpx solid #E5E8E8; */
	}

	.pickerCancel {
		font-size: 30rpx;
		color: #777;
		margin-right: 30rpx;
	}

	.pickerConfirm {
		font-size: 30rpx;
		color: #4C83D6;
		margin-left: 30rpx;
	}
</style>

二 页面使用

<template>
	<view class="ruku">

		<view class="formbox">
			<view class="formitem flex_align_center">
				<view class="formlabel"> <text class='red'>*</text> 品牌查询：</view>
				<view class="forminput" @click="pinpaiFun">
					<text v-if="form.brandname">{{form.brandname}}</text>
					<text class="graytext" v-else> 请选择查询品牌 </text>
					<image src="@/static/images/down.png" mode="" class="downimg"></image>
				</view>
			</view>

		
		<!-- 1. template使用  -->
		<pinpaiPicker :dataSource='dataSource' :value="defaultValue" ref="pinpaiPicker" @recload='getbrand'></pinpaiPicker>
		
	</view>
</template>

<script>

	import pinpaiPicker from "@/pagesA/components/sticky/pinpai.vue" // 2.引入组件
	import {
		gettypeslist, // 3. 引入获取选择器内容的接口名（依项目需求）
	} from "@/api/index/index.js" 

	export default {
	// 4. 定义组件名
		components: {
			pinpaiPicker
		},
		data() {
			return {
				choiceType: '',
				form: {
					brandname:'', // 品牌名
					brand:'', // 品牌id
				},
				isedit: false,
				shopid: '', // 编辑时商品id
				dataSource:[],// picker - 数据源
				defaultValue:[0], // 默认值
			}
		},
		onLoad(option) {
			// console.log(getApp().globalData,'获取全局变量'); 
			if (option.isedit) {
				this.isedit = true;
				uni.setNavigationBarTitle({
					title: "编辑"
				});
				this.shopid = option.id;
			}
		},
		onShow() {
			this.getAllClassify();
		},
		methods: {
			// 品牌查询
			pinpaiFun() {
				this.$refs.pinpaiPicker.showDatePicker();
			},
			// 获取选择器列表数据
			getAllClassify() {
				gettypeslist().then(res => {
					this.dataSource = res.data.brand;
				})
			},
			// 接收父组件的值
			getbrand(data){
				this.form.brandname = data.name;
				this.form.brand = data.id;
			},
		}
	}
	// 
</script>

<style lang="scss">
	.ruku {
		padding: 40rpx 32rpx 80rpx;
	}
		.formbox .formitem {
	  margin-bottom: 32rpx;
	}
	.formbox .formitem .formlabel {
	  width: 200rpx;
	  font-size: 30rpx;
	}
	.formbox .formitem .forminput {
	  position: relative;
	  border: 1rpx solid #DBDBDB;
	  width: 490rpx;
	  height: 70rpx;
	  line-height: 70rpx;
	  padding-left: 24rpx;
	}
	.formbox .formitem .forminput text {
	  font-size: 30rpx;
	}
	.formbox .formitem .forminput .downimg {
	  position: absolute;
	  right: 16rpx;
	  top: 25%;
	  width: 32rpx;
	  height: 32rpx;
	}
	.formbox .formupbox .formlabel {
	  width: 100%;
	  height: 100%;
	}
	.formbox .formupbox .formupload {
	  margin-top: 22rpx;
	}
	.formbox .form_input .u-input {
	  width: 490rpx;
	  height: 70rpx;
	  line-height: 70rpx;
	}
	.formbox .textarea {
	  width: 490rpx;
	  border: 1rpx solid #DBDBDB;
	  border-radius: 8rpx;
	  padding: 10rpx 15rpx;
	  font-size: 30rpx;
	}
	.formbox .placeholderStyle {
	  color: #c0c4cc;
	  font-size: 30rpx;
	}
	
	.formbox 	/deep/ textarea,
	.formbox 	/deep/.uni-textarea-wrapper{
				width: 460rpx !important;
		}
		.flex_align_center{
		display: flex;
		align-items: center;
	}
	
</style>

index.js 文件示例

import request from "../request.js"

// 登录 GET POST
function dcLogin(data){
	return request({
		url: "api/login/dcLogin",
		data: data,
		method: "POST"
	})
}
// 退出
function logout(data){
	return request({
		url: "api/login/logout",
		data: data,
		method: "POST"
	})
}


export {
	dcLogin,
	logout
}

request.js 示例

import baseUrl from "./baseUrl.js"
function fun(config) {
	let token;
	if(uni.getStorageSync('token')){
		 token = uni.getStorageSync('token')
	}
	return new Promise(function(resolve, rejected) {
		uni.request({
			url: baseUrl + config.url,
			method: config.method ? (config.method).toUpperCase() : "GET",
			// timeout:5000,
			header: {
				"token": token,
				'Content-Type':'application/x-www-form-urlencoded'
			},
			data: config.data,
			success(res) {
				if(res.data.code == 1){
					resolve(res.data)
				}else if(res.data.code == -1){
					uni.clearStorageSync()
					uni.showToast({
						icon: 'none',
						title: `${res.data.msg}`
					})
					uni.redirectTo({
						url:'/pages/index/getCode'
					})
				}else{
					if(res.data.msg){
						uni.showToast({
							icon: 'none',
							title: `${res.data.msg}`
						})
					}else{
						uni.showToast({
							icon: 'none',
							title: `请稍后再试`
						})
					}
					return false;
				}
				
			},
			fail(error) {
				console.log(error,'错误信息')
				rejected(error)
				uni.showToast({
					icon: 'none',
					title: `500`
				})
			}
		})
	})
}

export default fun;

baseUrl.js 示例

export default "http://122.118.0.229:8090/"

项目文件结构