smart_storage_app/pages/home-page/policy-Config/index.vue

<template>
	<view style="height: 100vh">
		<view class="">
			<u-navbar :title="$t('homePage.policy.policyTitle')" :is-back="true" title-color="#FFF"
				:background="background" :border-bottom="false" :custom-back="toback">
			</u-navbar>
		</view>
		<view class="policeForm">
			<u-form ref="form" labelPosition="top">
				<view class="" v-for="(item, index) in smallArr" :key="index">
					<view class="" v-if="item.type == 'Input'">
						<u-form-item :label="item[`label_${lang}`]" :prop="item.prop">
							<u-input :key="'input_' + item.prop + '_' + item.inputKey" :min="item.min" :max="item.max"
								:value="item.value" type="number" :placeholder="item[`place_${lang}`]"
								@input="handleInput(item, $event)" />
						</u-form-item>
					</view>
					<view class="" v-if="item.type == 'Switch'">
						<u-form-item :label="item[`label_${lang}`]" :prop="item.prop">
							<u-switch :size="40" v-model="item.value"></u-switch>
						</u-form-item>
					</view>
					<view class="" v-if="item.type == 'Select'" @click="selectShow(item, index)">
						<u-form-item :label="item[`label_${lang}`]" :prop="item.prop">
							<view class="" v-show="false">
								<u-input v-model="item.value" disabled @click="selectShow(item, index)" />
							</view>
							<view class="">
								{{ item.selectLabel || $t("homePage.alarm.placeSelect") }}
							</view>
							<u-select :key="item.prop" @confirm="confirm($event, item)" v-model="item.isShow"
								:list="getSelectList(item)"></u-select>
						</u-form-item>
					</view>
				</view>
			</u-form>


			<button @click="submitDevice" type="success" size="mini" style="
          background-color: #009458;
          padding: 10rpx 0;
          color: #fff;
          margin-top: 40rpx;
          width: 100%;
        ">
				{{ $t("homePage.mine.submit") }}
			</button>
		</view>
		<u-toast ref="uToast" />
	</view>
</template>

<script>
	import {
		formList
	} from "@/common/form.js";
	import {
		Langlist
	} from "@/common/lang";
	import mqtt from "@/uni_modules/leliven-mqtt/index.js";
	import pako from "pako";
	export default {

		data() {
			return {
				formList: formList,
				background: {
					backgroundColor: "#0EA17E",
				},

				mqttClient: null,
				backData: {},
				smallArr: [],
				user: {
					username: 'admin', // 设置用户名
					password: 'zzkj@688737' // 设置密码
				}

			};
		},
		computed: {
			lang() {
				return Langlist.find(v => v.value == this.$store.state.vuex_language).prop || 'en'
			},
			currentStation() {
				return this.$store.state.vuex_currentStation;
			},
		},

		onShow() {
			this.initmqttClient()
		},

		methods: {
			initmqttClient() {

				// 初始化客户端连接地址
				// #ifdef H5
				let mqttClient = mqtt.connect('ws://1.95.170.86:8083/mqtt', {
					...this.user
				})
				// #endif
				// #ifdef MP-WEIXIN||APP-PLUS
				let mqttClient = mqtt.connect('wx://1.95.170.86:8083/mqtt', {
					...this.user
				})
				// #endif
				this.mqttClient = mqttClient
				// 连接MQ服务
				mqttClient.on('connect', function(res) {
					console.log('连接成功')
					// 订阅主题
					mqttClient.subscribe(`1/ems/zzkj0002/control/response`, function(err) {
						if (!err) {
							// 订阅成功
							mqttClient.publish('1/app/zzkj0002/control/request', JSON.stringify({
								fun: 'GET',
								type: 'WJ_Get_NewControlSystem',
								content: 0
							}))
						}
					})
				}).on('reconnect', function() {
					console.log('重新连接')
				}).on('error', function() {
					console.log('连接失败')
				}).on('end', function() {
					console.log('连接End')
				}).on('message', (topic, message) => {
					console.log(this.decodeGzipBase64(message.toString()))
					let data = this.decodeGzipBase64(message.toString())
					if (data.content && data.content.params) {
						this.control(data.content)
					} else
					if (data.content == 1) {
						this.$refs.uToast.show({
							title: this.$t('homePage.mine.operateSuccess'),
							type: 'success',
							
						})
					} else {
						uni.showToast({
							title: this.$t('homePage.mine.operateFail'),
							icon: 'none'
						})
					}

				})
			},

			decodeGzipBase64(base64Str) {
				// 1. base64 → Uint8Array
				const binaryStr = atob(base64Str);
				const len = binaryStr.length;
				const bytes = new Uint8Array(len);

				for (let i = 0; i < len; i++) {
					bytes[i] = binaryStr.charCodeAt(i);
				}

				// 2. gunzip 解压
				const decompressed = pako.ungzip(bytes, {
					to: "string"
				});
				// 3. 转 JSON（如果是 JSON）
				return JSON.parse(decompressed);
			},
			getSelectList(item) {
				if (item.selectArr && item.selectArr.length > 0) {
					return item.selectArr.map(option => ({
						value: option.value.toString(),
						label: option[`label_${this.lang}`] || option.label
					}))
				}
				return []
			},
			control(NewControlSystemShow_data) {
				console.log(NewControlSystemShow_data)
				this.formList.forEach(item => {
					if (item.type == "Switch") {
						item.value = NewControlSystemShow_data?.params[item.prop] ? true : false
					}
					if (item.type == "Input") {

						item.value = NewControlSystemShow_data?.params[item.prop] || item.default
					}

					if (item.type == 'Select') {
						item.selectLabel = item.selectArr.find(v => v.value == item.value)?.[`label_${this.lang}`]
					}
					item.isShow = false
				})
				this.backData = NewControlSystemShow_data
				this.smallArr = this.formList.filter(v => NewControlSystemShow_data?.smallScreen.includes(v.prop))
			},
			confirm(val, item) {
				if (val && val.length > 0) {
					item.value = val[0].value
					item.selectLabel = val[0].label
				}
				item.isShow = false
			},
			handleInput(item, value) {
				try {
					// u-input 组件 @input 事件直接传递 value 值，不是 event 对象
					let iptval = String(value || '').replace(/[^0-9.]/g, '');
					const parts = iptval.split('.');
					if (parts.length > 2) {
						iptval = parts[0] + '.' + parts.slice(1).join('');
					}
					if (!iptval || iptval === '.') {
						item.value = 0;
						return;
					}
					let numVal = Number(iptval);
					numVal = isNaN(numVal) ? 0 : numVal;

					// 检查是否需要强制更新（值被限制）
					let needForceUpdate = false;
					if (item.min !== undefined && item.min !== null && numVal < item.min) {
						numVal = item.min;
						needForceUpdate = true;
					}
					if (item.max !== undefined && item.max !== null && numVal > item.max) {
						numVal = item.max;
						needForceUpdate = true;
					}

					item.value = numVal;

					// 如果值被限制，强制重新渲染输入框
					if (needForceUpdate) {
						this.$set(item, 'inputKey', (item.inputKey || 0) + 1);
					}
				} catch (error) {
					console.log('handleInput方法错误:', error);
				}
			},

			toback() {
				uni.navigateBack()
			},
			selectShow(val, index) {
				val.isShow = true
			},
			submitDevice() {
				let smallParam = this.smallArr.reduce((pre, cur) => {
					pre[cur.prop] = cur.type == "Switch" ? cur.value ? 1 : 0 : cur.value
					pre[cur.prop] = Number(pre[cur.prop])
					return pre
				}, {})

				this.mqttClient.publish(`1/app/zzkj0002/control/request`, JSON.stringify({
					fun: 'SET',
					type: 'WJ_Set_NewControlSystem',
					content: {
						...this.backData,
						params: {
							...this.backData.params,
							...smallParam
						}
					}
				}))


			},
		},
	};
</script>

<style lang="scss" scoped>
	.policeForm {
		margin: 22rpx;
		padding: 22rpx;
		background-color: #fff;
		box-shadow: 0px 4rpx 16rpx rgba(0, 0, 0, 0.1);
		border-radius: 8rpx;
	}
</style>