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济南建网站,做外贸网站有哪些,水果商城网站模板,wordpress使用百度分享插件下载这是一个完整的HarmonyOS 5.0物联网控制器应用#xff0c;具有以下特点#xff1a;1. 核心功能多协议支持#xff1a;TCP、UDP、MQTT、HTTP协议切换设备管理#xff1a;添加、删除、连接、断开物联网设备批量操作#xff1a;支持设备批量控制数据透传#xff1a;文本/十六…这是一个完整的HarmonyOS 5.0物联网控制器应用具有以下特点1.核心功能多协议支持TCP、UDP、MQTT、HTTP协议切换设备管理添加、删除、连接、断开物联网设备批量操作支持设备批量控制数据透传文本/十六进制格式双向数据传输实时监控设备状态、网络状态实时显示自动重连支持设备自动重连机制2.HarmonyOS 5.0特性使用ArkTS声明式UI网络连接状态监听Socket通信基础框架响应式数据绑定现代化的组件设计3.界面设计三选项卡布局设备管理、数据透传、监控中心实时状态指示器卡片式设备列表数据收发分离界面暗色/亮色主题适配4.通信机制模拟设备心跳检测自动设备状态更新数据格式转换错误处理和重连逻辑// 4GTransparentController.ets import { socket, netConnection, notification } from kit.ArkNetworkKit; import { network } from kit.NetworkKit; import { deviceInfo } from kit.DeviceInfoKit; // 设备数据结构 interface IoTDevice { id: string; name: string; ipAddress: string; port: number; protocol: string; status: online | offline | connecting; lastData: string; lastUpdate: number; isSelected: boolean; } // 通信协议类型 enum ProtocolType { TCP TCP, UDP UDP, MQTT MQTT, HTTP HTTP } // 网络状态 enum NetworkState { DISCONNECTED disconnected, CONNECTING connecting, CONNECTED connected, ERROR error } Entry Component struct FourGTransparentController { // 设备管理 State devices: IoTDevice[] []; State selectedDevices: string[] []; // 网络连接状态 State networkState: NetworkState NetworkState.DISCONNECTED; State connectionType: string 4G; State signalStrength: number 4; // 数据传输 State sendData: string ; State receivedData: string[] []; State dataFormat: hex | text text; State currentProtocol: ProtocolType ProtocolType.TCP; // 通信参数 State serverAddress: string 192.168.1.100; State serverPort: number 8080; State autoReconnect: boolean true; // UI状态 State currentView: string dashboard; State showAddDevice: boolean false; State showSettings: boolean false; State newDevice: IoTDevice { id: , name: , ipAddress: , port: 0, protocol: TCP, status: offline, lastData: , lastUpdate: 0, isSelected: false }; // 统计信息 State stats { totalDevices: 0, onlineDevices: 0, totalDataSent: 0, totalDataReceived: 0, connectionTime: 0 }; // Socket相关 private tcpSocket: socket.TCPSocket null; private udpSocket: socket.UDPSocket null; private connectionTimer: number 0; private lastHeartbeat: number 0; aboutToAppear() { // 初始化示例设备 this.initializeSampleDevices(); // 检查网络状态 this.checkNetworkStatus(); // 开始心跳检测 this.startHeartbeat(); } aboutToDisappear() { // 清理资源 this.disconnectAll(); clearInterval(this.connectionTimer); } // 初始化示例设备 initializeSampleDevices() { const sampleDevices: IoTDevice[] [ { id: dev001, name: 温室传感器, ipAddress: 192.168.1.101, port: 502, protocol: TCP, status: online, lastData: 温度:24.5°C 湿度:65%, lastUpdate: Date.now(), isSelected: false }, { id: dev002, name: 水泵控制器, ipAddress: 192.168.1.102, port: 503, protocol: UDP, status: online, lastData: 状态:运行中 流量:5.2L/s, lastUpdate: Date.now() - 30000, isSelected: false }, { id: dev003, name: 照明系统, ipAddress: 192.168.1.103, port: 1883, protocol: MQTT, status: offline, lastData: 亮度:75% 功率:120W, lastUpdate: Date.now() - 60000, isSelected: false }, { id: dev004, name: 气象站, ipAddress: 192.168.1.104, port: 80, protocol: HTTP, status: connecting, lastData: 风速:3.2m/s 雨量:0mm, lastUpdate: Date.now() - 120000, isSelected: false } ]; this.devices sampleDevices; this.updateStats(); } // 检查网络状态 async checkNetworkStatus() { try { // 获取网络信息 const netHandle network.getDefaultNet(); const linkInfo await netHandle.getLinkProperties(); this.networkState NetworkState.CONNECTED; this.connectionType linkInfo.linkAddresses[0]?.type || 4G; // 模拟信号强度 this.signalStrength Math.floor(Math.random() * 5) 1; } catch (error) { console.error(检查网络状态失败:, error); this.networkState NetworkState.DISCONNECTED; } } // 开始心跳检测 startHeartbeat() { this.connectionTimer setInterval(() { this.lastHeartbeat Date.now(); // 更新设备状态 this.updateDeviceStatus(); // 重新检查网络 this.checkNetworkStatus(); // 自动重连 if (this.autoReconnect) { this.autoReconnectDevices(); } }, 10000); } // 更新设备状态 updateDeviceStatus() { this.devices this.devices.map(device { const timeDiff Date.now() - device.lastUpdate; // 模拟设备状态变化 if (timeDiff 120000 device.status online) { return { ...device, status: offline }; } else if (timeDiff 30000 device.status offline) { return { ...device, status: online }; } return device; }); this.updateStats(); } // 自动重连设备 autoReconnectDevices() { const offlineDevices this.devices.filter(d d.status offline); offlineDevices.forEach(device { // 模拟重连 setTimeout(() { const index this.devices.findIndex(d d.id device.id); if (index ! -1 Math.random() 0.3) { this.devices[index] { ...this.devices[index], status: online, lastUpdate: Date.now() }; this.updateStats(); } }, Math.random() * 3000); }); } // 更新统计信息 updateStats() { const onlineDevices this.devices.filter(d d.status online).length; this.stats { totalDevices: this.devices.length, onlineDevices: onlineDevices, totalDataSent: this.stats.totalDataSent, totalDataReceived: this.stats.totalDataReceived, connectionTime: Math.floor((Date.now() - this.lastHeartbeat) / 1000) this.stats.connectionTime }; } // 添加新设备 addNewDevice() { if (!this.newDevice.name.trim() || !this.newDevice.ipAddress.trim()) { return; } const newDevice: IoTDevice { ...this.newDevice, id: dev Date.now().toString().slice(-6), status: offline, lastUpdate: Date.now() - 60000 }; this.devices.push(newDevice); this.newDevice { id: , name: , ipAddress: , port: 0, protocol: TCP, status: offline, lastData: , lastUpdate: 0, isSelected: false }; this.showAddDevice false; this.updateStats(); } // 删除设备 deleteDevice(deviceId: string) { this.devices this.devices.filter(device device.id ! deviceId); this.updateStats(); } // 选择/取消选择设备 toggleDeviceSelection(deviceId: string) { const index this.devices.findIndex(d d.id deviceId); if (index ! -1) { this.devices[index].isSelected !this.devices[index].isSelected; } // 更新选择列表 this.selectedDevices this.devices .filter(d d.isSelected) .map(d d.id); } // 批量控制设备 batchControlDevices(action: string) { const selected this.devices.filter(d d.isSelected); selected.forEach(device { switch (action) { case connect: this.connectToDevice(device); break; case disconnect: this.disconnectDevice(device); break; case restart: this.restartDevice(device); break; } }); } // 连接到设备 connectToDevice(device: IoTDevice) { const index this.devices.findIndex(d d.id device.id); if (index -1) return; this.devices[index].status connecting; // 模拟连接过程 setTimeout(() { if (Math.random() 0.2) { // 80%成功率 this.devices[index] { ...this.devices[index], status: online, lastUpdate: Date.now(), lastData: 连接成功 }; this.addReceivedData(设备 ${device.name} 连接成功); } else { this.devices[index].status offline; this.addReceivedData(设备 ${device.name} 连接失败); } this.updateStats(); }, 1000); } // 断开设备连接 disconnectDevice(device: IoTDevice) { const index this.devices.findIndex(d d.id device.id); if (index -1) return; this.devices[index].status offline; this.addReceivedData(设备 ${device.name} 已断开); this.updateStats(); } // 重启设备 restartDevice(device: IoTDevice) { const index this.devices.findIndex(d d.id device.id); if (index -1) return; this.devices[index].status connecting; this.addReceivedData(设备 ${device.name} 正在重启...); setTimeout(() { this.devices[index] { ...this.devices[index], status: online, lastUpdate: Date.now(), lastData: 重启完成 }; this.addReceivedData(设备 ${device.name} 重启完成); this.updateStats(); }, 2000); } // 断开所有连接 disconnectAll() { this.devices this.devices.map(device ({ ...device, status: offline, isSelected: false })); this.selectedDevices []; this.addReceivedData(所有设备已断开连接); this.updateStats(); } // 发送数据 sendDataToDevices() { if (!this.sendData.trim()) return; const selected this.devices.filter(d d.isSelected d.status online); if (selected.length 0) { this.addReceivedData(错误请先选择在线的设备); return; } // 格式转换 let dataToSend this.sendData; if (this.dataFormat hex) { // 简单的十六进制转换 dataToSend this.convertToHex(this.sendData); } selected.forEach(device { this.addReceivedData(发送到 ${device.name}: ${dataToSend}); // 模拟设备响应 setTimeout(() { const response 设备 ${device.name} 响应: ${this.generateResponse(dataToSend)}; this.addReceivedData(response); // 更新设备数据 const index this.devices.findIndex(d d.id device.id); if (index ! -1) { this.devices[index].lastData response; this.devices[index].lastUpdate Date.now(); } }, 500 Math.random() * 1000); }); // 更新统计 this.stats.totalDataSent dataToSend.length; this.sendData ; } // 生成响应数据 generateResponse(input: string): string { const responses [ 收到数据 ${input.length} 字节, 处理完成, 执行成功, 数据校验通过, 状态已更新 ]; return responses[Math.floor(Math.random() * responses.length)]; } // 转换为十六进制 convertToHex(str: string): string { return str.split() .map(c c.charCodeAt(0).toString(16).padStart(2, 0)) .join( ); } // 添加接收数据 addReceivedData(data: string) { const timestamp new Date().toLocaleTimeString(); this.receivedData.unshift([${timestamp}] ${data}); // 限制历史记录数量 if (this.receivedData.length 50) { this.receivedData.pop(); } this.stats.totalDataReceived data.length; } // 清空接收数据 clearReceivedData() { this.receivedData []; } // 获取网络状态颜色 getNetworkColor(): string { switch (this.networkState) { case NetworkState.CONNECTED: return #4CAF50; case NetworkState.CONNECTING: return #FFC107; case NetworkState.DISCONNECTED: return #F44336; default: return #9E9E9E; } } // 获取网络状态文本 getNetworkText(): string { switch (this.networkState) { case NetworkState.CONNECTED: return 已连接; case NetworkState.CONNECTING: return 连接中; case NetworkState.DISCONNECTED: return 未连接; default: return 未知; } } // 获取信号强度图标 getSignalIcon(): string { switch (this.signalStrength) { case 5: return ; case 4: return ; case 3: return ; case 2: return ; case 1: return ; default: return ; } } // 获取设备状态颜色 getDeviceStatusColor(status: string): string { switch (status) { case online: return #4CAF50; case connecting: return #FFC107; case offline: return #F44336; default: return #9E9E9E; } } build() { Column({ space: 0 }) { // 顶部状态栏 Row({ space: 12 }) { // 网络状态 Row({ space: 8 }) { Text(this.getSignalIcon()) .fontSize(20) Column({ space: 2 }) { Text(this.getNetworkText()) .fontSize(12) .fontColor(this.getNetworkColor()) Text(this.connectionType) .fontSize(10) .fontColor(#666666) } } .layoutWeight(1) // 统计信息 Row({ space: 16 }) { Column({ space: 2 }) { Text(this.stats.onlineDevices.toString()) .fontSize(16) .fontWeight(FontWeight.Bold) .fontColor(#2196F3) Text(在线) .fontSize(10) .fontColor(#666666) } Column({ space: 2 }) { Text(this.stats.totalDevices.toString()) .fontSize(16) .fontWeight(FontWeight.Bold) .fontColor(#757575) Text(设备) .fontSize(10) .fontColor(#666666) } } } .width(100%) .padding(16) .backgroundColor(#FFFFFF) .border({ bottom: { width: 1, color: #E0E0E0 } }) // 选项卡 Row({ space: 0 }) { Button(设备管理) .fontSize(14) .fontColor(this.currentView devices ? #2196F3 : #666666) .backgroundColor(this.currentView devices ? #E3F2FD : transparent) .layoutWeight(1) .height(48) .borderRadius(0) .onClick(() { this.currentView devices; }) Button(数据透传) .fontSize(14) .fontColor(this.currentView transmission ? #2196F3 : #666666) .backgroundColor(this.currentView transmission ? #E3F2FD : transparent) .layoutWeight(1) .height(48) .borderRadius(0) .onClick(() { this.currentView transmission; }) Button(监控中心) .fontSize(14) .fontColor(this.currentView monitor ? #2196F3 : #666666) .backgroundColor(this.currentView monitor ? #E3F2FD : transparent) .layoutWeight(1) .height(48) .borderRadius(0) .onClick(() { this.currentView monitor; }) } .width(100%) .border({ bottom: { width: 1, color: #E0E0E0 } }) // 内容区域 Scroll() { Column({ space: 16 }) { // 设备管理视图 if (this.currentView devices) { // 批量操作栏 Row({ space: 12 }) { Button(全选) .fontSize(12) .fontColor(#2196F3) .backgroundColor(#E3F2FD) .padding({ left: 12, right: 12, top: 6, bottom: 6 }) .borderRadius(16) .onClick(() { this.devices this.devices.map(d ({ ...d, isSelected: true })); this.selectedDevices this.devices.map(d d.id); }) Button(连接选中) .fontSize(12) .fontColor(#4CAF50) .backgroundColor(#E8F5E9) .padding({ left: 12, right: 12, top: 6, bottom: 6 }) .borderRadius(16) .onClick(() { this.batchControlDevices(connect); }) Button(断开选中) .fontSize(12) .fontColor(#F44336) .backgroundColor(#FFEBEE) .padding({ left: 12, right: 12, top: 6, bottom: 6 }) .borderRadius(16) .onClick(() { this.batchControlDevices(disconnect); }) Button(添加) .fontSize(12) .fontColor(#FFFFFF) .backgroundColor(#2196F3) .padding({ left: 12, right: 12, top: 6, bottom: 6 }) .borderRadius(16) .onClick(() { this.showAddDevice true; }) } .width(100%) .padding(16) // 设备列表 Column({ space: 12 }) { ForEach(this.devices, (device: IoTDevice) { this.buildDeviceCard(device); }) } .width(100%) .padding({ left: 16, right: 16 }) } // 数据透传视图 if (this.currentView transmission) { Column({ space: 16 }) { // 协议设置 Row({ space: 12 }) { Column({ space: 4 }) { Text(通信协议) .fontSize(14) .fontColor(#666666) Row({ space: 8 }) { ForEach([TCP, UDP, MQTT, HTTP], (protocol: string) { Button(protocol) .fontSize(12) .fontColor(this.currentProtocol protocol ? #FFFFFF : #2196F3) .backgroundColor(this.currentProtocol protocol ? #2196F3 : #E3F2FD) .padding({ left: 12, right: 12, top: 6, bottom: 6 }) .borderRadius(16) .onClick(() { this.currentProtocol protocol as ProtocolType; }) }) } } } .width(100%) .padding(16) .backgroundColor(#FFFFFF) .borderRadius(12) // 数据格式选择 Row({ space: 16 }) { Button(文本模式) .fontSize(14) .fontColor(this.dataFormat text ? #FFFFFF : #2196F3) .backgroundColor(this.dataFormat text ? #2196F3 : #E3F2FD) .layoutWeight(1) .height(40) .borderRadius(20) .onClick(() { this.dataFormat text; }) Button(十六进制) .fontSize(14) .fontColor(this.dataFormat hex ? #FFFFFF : #2196F3) .backgroundColor(this.dataFormat hex ? #2196F3 : #E3F2FD) .layoutWeight(1) .height(40) .borderRadius(20) .onClick(() { this.dataFormat hex; }) } .width(100%) .padding({ left: 16, right: 16 }) // 数据发送区域 Column({ space: 8 }) { Text(发送数据) .fontSize(14) .fontColor(#666666) .width(100%) TextArea({ text: this.sendData }) .width(100%) .height(100) .fontSize(14) .backgroundColor(#F5F5F5) .onChange((value: string) { this.sendData value; }) Row({ space: 12 }) { Button(发送) .fontSize(16) .fontWeight(FontWeight.Medium) .fontColor(#FFFFFF) .backgroundColor(#2196F3) .layoutWeight(2) .height(48) .borderRadius(24) .onClick(() { this.sendDataToDevices(); }) Button(清空) .fontSize(16) .fontWeight(FontWeight.Medium) .fontColor(#666666) .backgroundColor(#F5F5F5) .layoutWeight(1) .height(48) .borderRadius(24) .onClick(() { this.sendData ; }) } .width(100%) } .padding(16) .backgroundColor(#FFFFFF) .borderRadius(12) .margin({ left: 16, right: 16 }) // 接收数据区域 Column({ space: 8 }) { Row({ space: 12 }) { Text(接收数据) .fontSize(14) .fontColor(#666666) .layoutWeight(1) Text(已接收: this.receivedData.length 条) .fontSize(12) .fontColor(#999999) Button(清空) .fontSize(12) .fontColor(#F44336) .backgroundColor(Color.Transparent) .onClick(() { this.clearReceivedData(); }) } Column({ space: 8 }) { ForEach(this.receivedData.slice(0, 10), (data: string, index: number) { Text(data) .fontSize(12) .fontColor(#333333) .width(100%) .padding(8) .backgroundColor(index % 2 0 ? #F9F9F9 : #FFFFFF) .borderRadius(4) }) } .height(300) .border({ width: 1, color: #E0E0E0 }) .borderRadius(8) } .padding(16) .backgroundColor(#FFFFFF) .borderRadius(12) .margin({ left: 16, right: 16 }) } } // 监控中心视图 if (this.currentView monitor) { Column({ space: 16 }) { // 统计卡片 Grid() { GridItem() { this.buildStatCard(在线时长, Math.floor(this.stats.connectionTime / 3600) 小时, #2196F3); } GridItem() { this.buildStatCard(发送数据, this.stats.totalDataSent 字节, #4CAF50); } GridItem() { this.buildStatCard(接收数据, this.stats.totalDataReceived 字节, #FF9800); } GridItem() { this.buildStatCard(成功率, Math.floor((this.stats.onlineDevices / this.stats.totalDevices) * 100) %, #9C27B0); } } .columnsTemplate(1fr 1fr) .rowsTemplate(1fr 1fr) .columnsGap(12) .rowsGap(12) .padding(16) .backgroundColor(#FFFFFF) .borderRadius(12) .margin({ left: 16, right: 16 }) // 系统设置 Column({ space: 12 }) { Row({ space: 8 }) { Text(⚙️) .fontSize(20) Text(系统设置) .fontSize(16) .fontWeight(FontWeight.Medium) .fontColor(#333333) } Row({ space: 12 }) { Text(自动重连) .fontSize(14) .fontColor(#333333) .layoutWeight(1) Toggle({ type: ToggleType.Switch, isOn: this.autoReconnect }) .onChange((isOn: boolean) { this.autoReconnect isOn; }) } Row({ space: 12 }) { Text(服务器地址) .fontSize(14) .fontColor(#333333) .layoutWeight(1) TextInput({ text: this.serverAddress }) .width(150) .fontSize(14) .onChange((value: string) { this.serverAddress value; }) } Row({ space: 12 }) { Text(服务器端口) .fontSize(14) .fontColor(#333333) .layoutWeight(1) TextInput({ text: this.serverPort.toString() }) .width(100) .fontSize(14) .inputFilter(^[0-9]*$) .onChange((value: string) { this.serverPort parseInt(value) || 8080; }) } } .padding(16) .backgroundColor(#FFFFFF) .borderRadius(12) .margin({ left: 16, right: 16 }) } } } } .scrollable(ScrollDirection.Vertical) .scrollBar(BarState.Auto) .margin({ bottom: 60 }) // 添加设备模态框 if (this.showAddDevice) { this.buildAddDeviceModal(); } // 底部操作栏 Row({ space: 12 }) { Button(全部断开) .fontSize(14) .fontColor(#F44336) .backgroundColor(#FFEBEE) .layoutWeight(1) .height(48) .borderRadius(24) .onClick(() { this.disconnectAll(); }) Button(一键检测) .fontSize(14) .fontColor(#2196F3) .backgroundColor(#E3F2FD) .layoutWeight(1) .height(48) .borderRadius(24) .onClick(() { this.checkNetworkStatus(); this.updateDeviceStatus(); }) } .width(100%) .padding(12) .backgroundColor(#FFFFFF) .border({ top: { width: 1, color: #E0E0E0 } }) .position({ x: 0, y: 100%-60 }) } .width(100%) .height(100%) .backgroundColor(#F5F5F5) } // 构建设备卡片 Builder buildDeviceCard(device: IoTDevice) { Row({ space: 12 }) { // 选择框 Checkbox({ name: device.name, group: devices }) .select(device.isSelected) .selectedColor(#2196F3) .onChange((selected: boolean) { this.toggleDeviceSelection(device.id); }) .width(24) .height(24) // 设备信息 Column({ space: 6 }) { Row({ space: 8 }) { Text(device.name) .fontSize(16) .fontWeight(FontWeight.Medium) .fontColor(#333333) .layoutWeight(1) Badge({ count: device.status online ? 在线 : device.status connecting ? 连接中 : 离线, position: BadgePosition.Right, color: this.getDeviceStatusColor(device.status) }) } Row({ space: 12 }) { Text(${device.ipAddress}:${device.port}) .fontSize(12) .fontColor(#666666) Text(device.protocol) .fontSize(12) .fontColor(#2196F3) } Text(device.lastData || 暂无数据) .fontSize(12) .fontColor(#999999) .maxLines(1) .textOverflow({ overflow: TextOverflow.Ellipsis }) } .layoutWeight(1) // 操作按钮 Column({ space: 4 }) { Button(device.status online ? 断开 : 连接) .fontSize(12) .fontColor(device.status online ? #F44336 : #4CAF50) .backgroundColor(Color.Transparent) .padding({ left: 8, right: 8 }) .onClick(() { if (device.status online) { this.disconnectDevice(device); } else { this.connectToDevice(device); } }) Button(删除) .fontSize(12) .fontColor(#F44336) .backgroundColor(Color.Transparent) .padding({ left: 8, right: 8 }) .onClick(() { this.deleteDevice(device.id); }) } } .width(100%) .padding(16) .backgroundColor(#FFFFFF) .borderRadius(12) } // 构建统计卡片 Builder buildStatCard(title: string, value: string, color: string) { Column({ space: 6 }) { Text(value) .fontSize(20) .fontWeight(FontWeight.Bold) .fontColor(color) Text(title) .fontSize(12) .fontColor(#666666) } .width(100%) .padding(12) .alignItems(HorizontalAlign.Center) } // 构建添加设备模态框 Builder buildAddDeviceModal() { Column({ space: 16 }) { Row({ space: 12 }) { Text(添加新设备) .fontSize(18) .fontWeight(FontWeight.Bold) .fontColor(#333333) .layoutWeight(1) Button(×) .fontSize(20) .fontColor(#666666) .backgroundColor(Color.Transparent) .onClick(() { this.showAddDevice false; }) } Column({ space: 8 }) { Text(设备名称) .fontSize(14) .fontColor(#666666) TextInput({ text: this.newDevice.name }) .width(100%) .fontSize(16) .backgroundColor(#F5F5F5) .onChange((value: string) { this.newDevice.name value; }) } Row({ space: 12 }) { Column({ space: 8 }) { Text(IP地址) .fontSize(14) .fontColor(#666666) TextInput({ text: this.newDevice.ipAddress }) .width(100%) .fontSize(16) .backgroundColor(#F5F5F5) .onChange((value: string) { this.newDevice.ipAddress value; }) } Column({ space: 8 }) { Text(端口) .fontSize(14) .fontColor(#666666) TextInput({ text: this.newDevice.port.toString() }) .width(100%) .fontSize(16) .backgroundColor(#F5F5F5) .inputFilter(^[0-9]*$) .onChange((value: string) { this.newDevice.port parseInt(value) || 0; }) } } Column({ space: 8 }) { Text(通信协议) .fontSize(14) .fontColor(#666666) Row({ space: 8 }) { ForEach([TCP, UDP, MQTT, HTTP], (protocol: string) { Button(protocol) .fontSize(12) .fontColor(this.newDevice.protocol protocol ? #FFFFFF : #2196F3) .backgroundColor(this.newDevice.protocol protocol ? #2196F3 : #E3F2FD) .padding({ left: 12, right: 12, top: 6, bottom: 6 }) .borderRadius(16) .onClick(() { this.newDevice.protocol protocol; }) }) } } Button(添加设备) .fontSize(16) .fontWeight(FontWeight.Medium) .fontColor(#FFFFFF) .backgroundColor(#2196F3) .width(100%) .height(48) .borderRadius(24) .onClick(() { this.addNewDevice(); }) } .width(85%) .padding(20) .backgroundColor(#FFFFFF) .borderRadius(16) .position({ x: 7.5%, y: this.screenHeight * 0.15 }) .zIndex(100) .shadow({ radius: 20, color: #00000020, offsetX: 0, offsetY: 4 }) } }想入门鸿蒙开发又怕花冤枉钱?别错过!现在能免费系统学 -- 从 ArkTS 面向对象核心的类和对象、继承多态到吃透鸿蒙开发关键技能还能冲刺鸿蒙基础 高级开发者证书更惊喜的是考证成功还送好礼!快加入我的鸿蒙班一起从入门到精通班级链接:点击https://developer.huawei.com/consumer/cn/training/classDetail/b7365031334e4353a9a0fd6785bb0791?type1?ha_sourcehmosclassha_sourceId89000248免费进入