fix:修改时间范围

.gitignore

@@ -1,3 +1,6 @@
 data/*.db
 data/sensor.db
 logs/
+./tcp_server
+data/*
+./go_rain_dtu.exe

internal/handler/sensor.go

@@ -26,17 +26,23 @@ func (h *SensorHandler) GetAggregatedData(w http.ResponseWriter, r *http.Request
 		interval = "1hour"
 	}
 
-	endTime := time.Now()
+	// 获取中国时区
+	chinaLoc, locErr := time.LoadLocation("Asia/Shanghai")
+	if locErr != nil {
+		chinaLoc = time.FixedZone("CST", 8*60*60)
+	}
+
+	endTime := time.Now().In(chinaLoc)
 	startTime := endTime.Add(-24 * time.Hour) // 默认显示24小时数据
 
 	if startStr := r.URL.Query().Get("start"); startStr != "" {
-		if t, err := time.Parse("2006-01-02T15:04", startStr); err == nil {
+		if t, parseErr := time.Parse(time.RFC3339, startStr); parseErr == nil {
-			startTime = t
+			startTime = t.In(chinaLoc)
 		}
 	}
 	if endStr := r.URL.Query().Get("end"); endStr != "" {
-		if t, err := time.Parse("2006-01-02T15:04", endStr); err == nil {
+		if t, parseErr := time.Parse(time.RFC3339, endStr); parseErr == nil {
-			endTime = t
+			endTime = t.In(chinaLoc)
 		}
 	}
 

static/index.html

@@ -174,9 +174,9 @@
                 <select id="interval">
                     <option value="raw">原始数据</option>
                     <option value="1min">1分钟（测试用）</option>
-                    <option value="5min" selected>5分钟</option>
+                    <option value="5min">5分钟</option>
                     <option value="30min">30分钟</option>
-                    <option value="1hour">1小时</option>
+                    <option value="1hour" selected>1小时</option>
                 </select>
             </div>
             
@@ -326,15 +326,22 @@
             const startDateTime = new Date(startDate).toISOString();
             const endDateTime = new Date(endDate).toISOString();
 
+            // 加载状态指示
+            document.getElementById('mainChart').style.opacity = 0.5;
+
             fetch(`/api/data?interval=${interval}&start=${startDateTime}&end=${endDateTime}`)
                 .then(response => response.json())
                 .then(data => {
                     updateChart(data);
                     updateTable(data);
+                    // 恢复正常显示
+                    document.getElementById('mainChart').style.opacity = 1;
                 })
                 .catch(error => {
                     console.error('Error:', error);
                     alert('获取数据失败，请检查网络连接');
+                    // 恢复正常显示
+                    document.getElementById('mainChart').style.opacity = 1;
                 });
         }