feat: 优化页面
This commit is contained in:
parent
ed8048c111
commit
480c0f7404
147
clients.go
147
clients.go
@ -1,147 +0,0 @@
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package main
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import (
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"fmt"
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"net"
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"sync"
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"time"
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)
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// 客户端信息结构
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type ClientInfo struct {
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IP string // IP地址
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Port string // 端口
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LastSeen time.Time // 最后活跃时间
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IsConnected bool // 是否当前连接
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}
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// 客户端列表（使用互斥锁保护的映射）
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var (
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clientsMutex sync.Mutex
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clients = make(map[string]*ClientInfo)
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)
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// addClient 添加客户端
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func addClient(addr string) {
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clientsMutex.Lock()
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defer clientsMutex.Unlock()
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host, port, err := net.SplitHostPort(addr)
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if err != nil {
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Logger.Printf("解析客户端地址失败 %s: %v", addr, err)
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host = addr
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port = "unknown"
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}
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clients[addr] = &ClientInfo{
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IP: host,
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Port: port,
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LastSeen: time.Now(),
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IsConnected: true,
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}
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Logger.Printf("添加新客户端: %s", addr)
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}
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// updateClientLastSeen 更新客户端最后活跃时间
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func updateClientLastSeen(addr string) {
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clientsMutex.Lock()
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defer clientsMutex.Unlock()
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if client, exists := clients[addr]; exists {
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client.LastSeen = time.Now()
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}
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}
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// removeClient 移除客户端（标记断开）
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func removeClient(addr string) {
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clientsMutex.Lock()
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defer clientsMutex.Unlock()
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if client, exists := clients[addr]; exists {
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client.IsConnected = false
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Logger.Printf("客户端断开连接: %s", addr)
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}
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}
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// getAllClients 获取所有客户端信息
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func getAllClients() []map[string]interface{} {
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clientsMutex.Lock()
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defer clientsMutex.Unlock()
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now := time.Now()
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result := make([]map[string]interface{}, 0, len(clients))
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for addr, client := range clients {
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lastSeenDuration := now.Sub(client.LastSeen)
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// 清理24小时前的记录
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if lastSeenDuration > 24*time.Hour {
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delete(clients, addr)
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continue
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}
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// 连接状态判断：当前连接且2小时内活跃为在线
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isOnline := client.IsConnected && lastSeenDuration < 2*time.Hour
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var connectionStatus string
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if isOnline {
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connectionStatus = "保持连接"
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} else if client.IsConnected {
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connectionStatus = "连接超时"
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} else {
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connectionStatus = "已断开"
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}
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result = append(result, map[string]interface{}{
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"address": addr,
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"ip": client.IP,
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"port": client.Port,
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"lastSeen": client.LastSeen,
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"isOnline": isOnline,
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"connectionStatus": connectionStatus,
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"lastSeenFormatted": formatDuration(lastSeenDuration),
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})
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}
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return result
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}
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// formatDuration 格式化持续时间为友好的字符串
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func formatDuration(d time.Duration) string {
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if d < time.Minute {
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return "刚刚"
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} else if d < time.Hour {
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return fmt.Sprintf("%d分钟前", int(d.Minutes()))
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} else if d < 24*time.Hour {
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hours := int(d.Hours())
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minutes := int(d.Minutes()) % 60
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if minutes == 0 {
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return fmt.Sprintf("%d小时前", hours)
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} else {
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return fmt.Sprintf("%d小时%d分钟前", hours, minutes)
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}
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} else {
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return fmt.Sprintf("%d天前", int(d.Hours()/24))
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}
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}
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// startClientCleanup 启动清理过期客户端的goroutine
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func startClientCleanup() {
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go func() {
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for {
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time.Sleep(1 * time.Hour) // 每小时检查一次
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clientsMutex.Lock()
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now := time.Now()
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for addr, client := range clients {
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if now.Sub(client.LastSeen) > 24*time.Hour {
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delete(clients, addr)
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Logger.Printf("移除过期客户端: %s", addr)
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}
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}
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clientsMutex.Unlock()
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}
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}()
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}
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187
db.go
187
db.go
@ -22,7 +22,7 @@ func InitDB() error {
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dbName := "probe_db"
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// 连接字符串
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dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?parseTime=true", username, password, host, port, dbName)
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dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?parseTime=true&loc=Asia%%2FShanghai", username, password, host, port, dbName)
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var err error
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db, err = sql.Open("mysql", dsn)
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@ -81,26 +81,22 @@ func SaveSensorData(sensorID int, x, y, z, temperature float64, deviceID string)
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// 获取传感器数据 - 添加时间范围，包含温度字段
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func GetSensorData(sensorID int, limit int, startDate time.Time, endDate time.Time) ([]SensorData, error) {
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query := `SELECT id, sensor_id, x_value, y_value, z_value,
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COALESCE(temperature, 0) as temperature,
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timestamp as timestamp
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FROM sensor_data
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WHERE sensor_id = ?`
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query := "SELECT id, sensor_id, x_value, y_value, z_value, COALESCE(temperature, 0) as temperature, `timestamp` as timestamp FROM sensor_data WHERE sensor_id = ?"
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var args []interface{}
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args = append(args, sensorID)
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if !startDate.IsZero() {
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query += " AND timestamp >= ?"
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query += " AND `timestamp` >= ?"
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args = append(args, startDate)
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}
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if !endDate.IsZero() {
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query += " AND timestamp <= ?"
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query += " AND `timestamp` <= ?"
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args = append(args, endDate)
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}
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query += " ORDER BY timestamp DESC"
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query += " ORDER BY `timestamp` DESC"
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// 只有当limit > 0时才添加LIMIT子句
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if limit > 0 {
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@ -138,25 +134,21 @@ func GetSensorData(sensorID int, limit int, startDate time.Time, endDate time.Ti
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// 获取所有传感器数据，包含温度字段
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func GetAllSensorData(limit int, startDate time.Time, endDate time.Time) ([]SensorData, error) {
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query := `SELECT id, sensor_id, x_value, y_value, z_value,
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COALESCE(temperature, 0) as temperature,
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timestamp as timestamp
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FROM sensor_data
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WHERE 1=1`
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query := "SELECT id, sensor_id, x_value, y_value, z_value, COALESCE(temperature, 0) as temperature, `timestamp` as timestamp FROM sensor_data WHERE 1=1"
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var args []interface{}
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if !startDate.IsZero() {
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query += " AND timestamp >= ?"
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query += " AND `timestamp` >= ?"
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args = append(args, startDate)
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}
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if !endDate.IsZero() {
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query += " AND timestamp <= ?"
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query += " AND `timestamp` <= ?"
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args = append(args, endDate)
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}
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query += " ORDER BY timestamp DESC"
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query += " ORDER BY `timestamp` DESC"
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// 只有当limit > 0时才添加LIMIT子句
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if limit > 0 {
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@ -235,6 +227,18 @@ type Device struct {
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RegCodeHex sql.NullString
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}
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// DeviceWithStats 包含设备统计信息
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type DeviceWithStats struct {
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ID int
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DeviceID string
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ForwardEnable bool
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Host sql.NullString
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Port sql.NullInt64
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RegCodeHex sql.NullString
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SensorCount int
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LastSeen sql.NullTime
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}
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// GetDevice 获取设备配置（按设备字符串ID）
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func GetDevice(deviceID string) (*Device, error) {
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row := db.QueryRow(`SELECT id, device_id, COALESCE(forward_enable, 0) as forward_enable, host, port, reg_code_hex FROM devices WHERE device_id = ?`, deviceID)
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@ -249,3 +253,152 @@ func GetDevice(deviceID string) (*Device, error) {
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d.ForwardEnable = fe != 0
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return &d, nil
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}
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// GetDevicesWithStats 获取设备列表及统计
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func GetDevicesWithStats() ([]DeviceWithStats, error) {
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query := `SELECT d.id,
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d.device_id,
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COALESCE(d.forward_enable, 0) AS forward_enable,
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d.host,
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d.port,
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d.reg_code_hex,
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COALESCE(COUNT(DISTINCT sd.sensor_id), 0) AS sensor_count,
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MAX(sd.timestamp) AS last_seen
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FROM devices d
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LEFT JOIN sensor_data sd ON sd.device_id = d.device_id
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GROUP BY d.id, d.device_id, d.forward_enable, d.host, d.port, d.reg_code_hex
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ORDER BY d.id`
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rows, err := db.Query(query)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var list []DeviceWithStats
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for rows.Next() {
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var item DeviceWithStats
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var fe int
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if err := rows.Scan(&item.ID, &item.DeviceID, &fe, &item.Host, &item.Port, &item.RegCodeHex, &item.SensorCount, &item.LastSeen); err != nil {
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return nil, err
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}
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item.ForwardEnable = fe != 0
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list = append(list, item)
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}
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return list, nil
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}
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// GetSensorIDsByDevice 获取某设备下的传感器ID
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func GetSensorIDsByDevice(deviceID string) ([]int, error) {
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rows, err := db.Query(`SELECT DISTINCT sensor_id FROM sensor_data WHERE device_id = ? ORDER BY sensor_id`, deviceID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var ids []int
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for rows.Next() {
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var id int
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if err := rows.Scan(&id); err != nil {
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return nil, err
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}
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ids = append(ids, id)
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}
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return ids, nil
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}
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// GetSensorDataByDevice 获取某设备下的数据（可选时间范围）
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func GetSensorDataByDevice(deviceID string, limit int, startDate, endDate time.Time) ([]SensorData, error) {
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query := "SELECT id, sensor_id, x_value, y_value, z_value, " +
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"COALESCE(temperature, 0) as temperature, " +
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"`timestamp` as timestamp " +
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"FROM sensor_data " +
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"WHERE device_id = ?"
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var args []interface{}
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args = append(args, deviceID)
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if !startDate.IsZero() {
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query += " AND `timestamp` >= ?"
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args = append(args, startDate)
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}
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if !endDate.IsZero() {
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query += " AND `timestamp` <= ?"
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args = append(args, endDate)
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}
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query += " ORDER BY `timestamp` DESC"
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if limit > 0 {
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query += " LIMIT ?"
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args = append(args, limit)
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}
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rows, err := db.Query(query, args...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var result []SensorData
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for rows.Next() {
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var data SensorData
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var xInt, yInt, zInt, tempInt int
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if err := rows.Scan(&data.ID, &data.SensorID, &xInt, &yInt, &zInt, &tempInt, &data.Timestamp); err != nil {
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return nil, err
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}
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data.X = float64(xInt) / SCALING_FACTOR
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data.Y = float64(yInt) / SCALING_FACTOR
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data.Z = float64(zInt) / SCALING_FACTOR
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data.Temperature = float64(tempInt) / SCALING_FACTOR
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result = append(result, data)
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}
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return result, nil
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}
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// GetSensorDataByDeviceAndSensor 获取某设备某传感器的数据
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func GetSensorDataByDeviceAndSensor(deviceID string, sensorID int, limit int, startDate, endDate time.Time) ([]SensorData, error) {
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query := "SELECT id, sensor_id, x_value, y_value, z_value, " +
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"COALESCE(temperature, 0) as temperature, " +
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"`timestamp` as timestamp " +
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"FROM sensor_data " +
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"WHERE device_id = ? AND sensor_id = ?"
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var args []interface{}
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args = append(args, deviceID, sensorID)
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if !startDate.IsZero() {
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query += " AND `timestamp` >= ?"
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args = append(args, startDate)
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}
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if !endDate.IsZero() {
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query += " AND `timestamp` <= ?"
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args = append(args, endDate)
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}
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query += " ORDER BY `timestamp` DESC"
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if limit > 0 {
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query += " LIMIT ?"
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args = append(args, limit)
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}
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rows, err := db.Query(query, args...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var result []SensorData
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for rows.Next() {
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var data SensorData
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var xInt, yInt, zInt, tempInt int
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if err := rows.Scan(&data.ID, &data.SensorID, &xInt, &yInt, &zInt, &tempInt, &data.Timestamp); err != nil {
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return nil, err
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}
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data.X = float64(xInt) / SCALING_FACTOR
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data.Y = float64(yInt) / SCALING_FACTOR
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data.Z = float64(zInt) / SCALING_FACTOR
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data.Temperature = float64(tempInt) / SCALING_FACTOR
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result = append(result, data)
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}
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return result, nil
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}
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@ -9,17 +9,20 @@ import (
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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)
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// 启动HTTP服务器
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func StartHTTPServer(address string) error {
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http.HandleFunc("/", handleIndex)
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// 静态资源
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http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
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http.HandleFunc("/api/data", handleGetData)
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http.HandleFunc("/api/latest", handleGetLatest)
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http.HandleFunc("/api/sensors", handleGetSensors)
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http.HandleFunc("/api/clients", handleGetClients)
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http.HandleFunc("/api/devices", handleGetDevices)
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fmt.Printf("HTTP服务器已启动，正在监听 %s\n", address)
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return http.ListenAndServe(address, nil)
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}
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@ -60,6 +63,7 @@ func handleGetData(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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deviceID := r.URL.Query().Get("device_id")
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sensorIDStr := r.URL.Query().Get("sensor_id")
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limitStr := r.URL.Query().Get("limit")
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startDateStr := r.URL.Query().Get("start_date")
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@ -93,9 +97,11 @@ func handleGetData(w http.ResponseWriter, r *http.Request) {
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}
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}
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// 使用北京时间解析前端传来的本地时间
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var startDate, endDate time.Time
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shLoc, _ := time.LoadLocation("Asia/Shanghai")
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if startDateStr != "" {
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startDate, err = time.Parse("2006-01-02T15:04", startDateStr)
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startDate, err = time.ParseInLocation("2006-01-02T15:04", startDateStr, shLoc)
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if err != nil {
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log.Printf("错误: 无效的开始日期: %s, %v", startDateStr, err)
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http.Error(w, "无效的开始日期", http.StatusBadRequest)
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@ -104,7 +110,7 @@ func handleGetData(w http.ResponseWriter, r *http.Request) {
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}
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if endDateStr != "" {
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endDate, err = time.Parse("2006-01-02T15:04", endDateStr)
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endDate, err = time.ParseInLocation("2006-01-02T15:04", endDateStr, shLoc)
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if err != nil {
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log.Printf("错误: 无效的结束日期: %s, %v", endDateStr, err)
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http.Error(w, "无效的结束日期", http.StatusBadRequest)
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@ -112,18 +118,19 @@ func handleGetData(w http.ResponseWriter, r *http.Request) {
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}
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}
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// 特殊处理获取最新数据的请求
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if limit == 1 && sensorIDStr == "" {
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log.Printf("检测到获取最新数据请求 (limit=1)")
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// 业务要求：必须提供 device_id；在设备下可选指定探头
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if strings.TrimSpace(deviceID) == "" {
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http.Error(w, "必须提供 device_id", http.StatusBadRequest)
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return
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}
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var data []SensorData
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if sensorIDStr == "all" || sensorIDStr == "" {
|
||||
data, err = GetAllSensorData(limit, startDate, endDate)
|
||||
log.Printf("查询所有传感器数据，limit=%d, 结果数量=%d", limit, len(data))
|
||||
data, err = GetSensorDataByDevice(deviceID, limit, startDate, endDate)
|
||||
log.Printf("查询设备%s下所有传感器数据，limit=%d, 结果数量=%d", deviceID, limit, len(data))
|
||||
} else {
|
||||
data, err = GetSensorData(sensorID, limit, startDate, endDate)
|
||||
log.Printf("查询传感器%d数据，limit=%d, 结果数量=%d", sensorID, limit, len(data))
|
||||
data, err = GetSensorDataByDeviceAndSensor(deviceID, sensorID, limit, startDate, endDate)
|
||||
log.Printf("查询设备%s下传感器%d数据，limit=%d, 结果数量=%d", deviceID, sensorID, limit, len(data))
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
@ -156,8 +163,16 @@ func handleGetSensors(w http.ResponseWriter, r *http.Request) {
|
||||
log.Printf("接收到获取传感器列表请求")
|
||||
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
|
||||
sensorIDs, err := GetAllSensorIDs()
|
||||
deviceID := r.URL.Query().Get("device_id")
|
||||
var (
|
||||
sensorIDs []int
|
||||
err error
|
||||
)
|
||||
if strings.TrimSpace(deviceID) != "" {
|
||||
sensorIDs, err = GetSensorIDsByDevice(deviceID)
|
||||
} else {
|
||||
sensorIDs, err = GetAllSensorIDs()
|
||||
}
|
||||
if err != nil {
|
||||
log.Printf("错误: 获取传感器ID失败: %v", err)
|
||||
http.Error(w, "获取传感器ID失败："+err.Error(), http.StatusInternalServerError)
|
||||
@ -172,13 +187,52 @@ func handleGetSensors(w http.ResponseWriter, r *http.Request) {
|
||||
}
|
||||
}
|
||||
|
||||
func handleGetClients(w http.ResponseWriter, r *http.Request) {
|
||||
// 已移除 /api/clients，在线统计改由 /api/devices 提供（3小时窗口）
|
||||
|
||||
// 处理获取设备列表及统计的API
|
||||
func handleGetDevices(w http.ResponseWriter, r *http.Request) {
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
|
||||
clients := getAllClients()
|
||||
list, err := GetDevicesWithStats()
|
||||
if err != nil {
|
||||
log.Printf("错误: 获取设备列表失败: %v", err)
|
||||
http.Error(w, "获取设备列表失败："+err.Error(), http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
|
||||
if err := json.NewEncoder(w).Encode(clients); err != nil {
|
||||
log.Printf("错误: 编码客户端信息JSON失败: %v", err)
|
||||
// 构造响应，计算是否在线（3小时内有上报）
|
||||
type deviceResp struct {
|
||||
ID int `json:"id"`
|
||||
DeviceID string `json:"device_id"`
|
||||
SensorCount int `json:"sensor_count"`
|
||||
LastSeen *time.Time `json:"last_seen"`
|
||||
Online bool `json:"online"`
|
||||
}
|
||||
|
||||
shLoc, _ := time.LoadLocation("Asia/Shanghai")
|
||||
resp := make([]deviceResp, 0, len(list))
|
||||
now := time.Now().In(shLoc)
|
||||
for _, d := range list {
|
||||
var lsPtr *time.Time
|
||||
online := false
|
||||
if d.LastSeen.Valid {
|
||||
ls := d.LastSeen.Time.In(shLoc)
|
||||
lsPtr = &ls
|
||||
if now.Sub(ls) <= 3*time.Hour {
|
||||
online = true
|
||||
}
|
||||
}
|
||||
resp = append(resp, deviceResp{
|
||||
ID: d.ID,
|
||||
DeviceID: d.DeviceID,
|
||||
SensorCount: d.SensorCount,
|
||||
LastSeen: lsPtr,
|
||||
Online: online,
|
||||
})
|
||||
}
|
||||
|
||||
if err := json.NewEncoder(w).Encode(resp); err != nil {
|
||||
log.Printf("错误: 编码设备列表JSON失败: %v", err)
|
||||
http.Error(w, "编码JSON失败："+err.Error(), http.StatusInternalServerError)
|
||||
}
|
||||
}
|
||||
|
||||
1
static/css/tailwind.min.css
vendored
Normal file
1
static/css/tailwind.min.css
vendored
Normal file
File diff suppressed because one or more lines are too long
14
static/js/chart.js
Normal file
14
static/js/chart.js
Normal file
File diff suppressed because one or more lines are too long
1686
templates/index.html
1686
templates/index.html
File diff suppressed because it is too large
Load Diff
@ -19,7 +19,7 @@ func StartUDPServer(address string) error {
|
||||
}
|
||||
defer conn.Close()
|
||||
|
||||
startClientCleanup()
|
||||
// 已移除客户端在线追踪；改由 DB 的 last_seen 统计在线
|
||||
|
||||
Logger.Printf("UDP服务器已启动，正在监听 %s\n", address)
|
||||
|
||||
@ -40,7 +40,7 @@ func StartUDPServer(address string) error {
|
||||
func handleUDPPacket(conn *net.UDPConn, addr *net.UDPAddr, data []byte) {
|
||||
remoteAddr := addr.String()
|
||||
|
||||
addClient(remoteAddr)
|
||||
// 已移除客户端在线追踪
|
||||
|
||||
rawData := string(data)
|
||||
TCPDataLogger.Printf("从UDP客户端 %s 接收到原始数据: %s", remoteAddr, rawData)
|
||||
@ -102,5 +102,5 @@ func handleUDPPacket(conn *net.UDPConn, addr *net.UDPAddr, data []byte) {
|
||||
Logger.Printf("发送响应到UDP客户端 %s 失败: %v", remoteAddr, err)
|
||||
}
|
||||
|
||||
updateClientLastSeen(remoteAddr)
|
||||
// 已移除客户端在线追踪
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user