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This commit is contained in:
fengyarnom 2025-05-18 14:07:07 +08:00
parent ee338d2a09
commit 49aee3a2ed
6 changed files with 133 additions and 90 deletions
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8
.idea/.gitignore generated vendored Normal file
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@ -0,0 +1,8 @@
# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

9
.idea/angle_dtu.iml generated Normal file
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@ -0,0 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<module type="WEB_MODULE" version="4">
<component name="Go" enabled="true" />
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$" />
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

8
.idea/modules.xml generated Normal file
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@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/angle_dtu.iml" filepath="$PROJECT_DIR$/.idea/angle_dtu.iml" />
</modules>
</component>
</project>

6
.idea/vcs.xml generated Normal file
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@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="" vcs="Git" />
</component>
</project>

187
http_server.go
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@ -4,21 +4,21 @@ import (
"encoding/json"
"fmt"
"html/template"
"time"
"log"
"net/http"
"os"
"path/filepath"
"strconv"
"time"
)
// 启动HTTP服务器
func StartHTTPServer(address string) error {
http.HandleFunc("/", handleIndex)
http.HandleFunc("/api/data", handleGetData)
http.HandleFunc("/api/sensors", handleGetSensors)
http.HandleFunc("/api/clients", handleGetClients)
http.HandleFunc("/api/clients", handleGetClients)
fmt.Printf("HTTP服务器已启动，正在监听 %s\n", address)
return http.ListenAndServe(address, nil)
}
@ -26,24 +26,24 @@ func StartHTTPServer(address string) error {
// 处理主页
func handleIndex(w http.ResponseWriter, r *http.Request) {
log.Printf("接收到主页请求: %s", r.URL.Path)
templatePath := "templates/index.html"
absPath, _ := filepath.Abs(templatePath)
_, err := os.Stat(templatePath)
if os.IsNotExist(err) {
log.Printf("错误: 模板文件不存在: %s", absPath)
http.Error(w, "模板文件不存在", http.StatusInternalServerError)
return
}
tmpl, err := template.ParseFiles(templatePath)
if err != nil {
log.Printf("错误: 无法解析模板: %v", err)
http.Error(w, "无法加载模板："+err.Error(), http.StatusInternalServerError)
return
}
log.Printf("模板加载成功，开始渲染")
err = tmpl.Execute(w, nil)
if err != nil {
@ -55,103 +55,114 @@ func handleIndex(w http.ResponseWriter, r *http.Request) {
// 处理获取传感器数据的API
func handleGetData(w http.ResponseWriter, r *http.Request) {
log.Printf("接收到获取数据请求: %s", r.URL.String())
w.Header().Set("Content-Type", "application/json")
sensorIDStr := r.URL.Query().Get("sensor_id")
limitStr := r.URL.Query().Get("limit")
startDateStr := r.URL.Query().Get("start_date")
endDateStr := r.URL.Query().Get("end_date")
limit := 500
var sensorID int
var err error
if sensorIDStr != "" && sensorIDStr != "all" {
sensorID, err = strconv.Atoi(sensorIDStr)
if err != nil {
log.Printf("错误: 无效的传感器ID: %s", sensorIDStr)
http.Error(w, "无效的传感器ID", http.StatusBadRequest)
return
}
}
if limitStr != "" {
limit, err = strconv.Atoi(limitStr)
if err != nil || limit <= 0 {
log.Printf("错误: 无效的记录数限制: %s", limitStr)
http.Error(w, "无效的记录数限制", http.StatusBadRequest)
return
}
}
var startDate, endDate time.Time
if startDateStr != "" {
startDate, err = time.Parse("2006-01-02T15:04", startDateStr)
if err != nil {
log.Printf("错误: 无效的开始日期: %s, %v", startDateStr, err)
http.Error(w, "无效的开始日期", http.StatusBadRequest)
return
}
}
if endDateStr != "" {
endDate, err = time.Parse("2006-01-02T15:04", endDateStr)
if err != nil {
log.Printf("错误: 无效的结束日期: %s, %v", endDateStr, err)
http.Error(w, "无效的结束日期", http.StatusBadRequest)
return
}
}
var data []SensorData
if sensorIDStr == "all" || sensorIDStr == "" {
data, err = GetAllSensorData(limit, startDate, endDate)
} else {
data, err = GetSensorData(sensorID, limit, startDate, endDate)
}
if err != nil {
log.Printf("错误: 获取数据失败: %v", err)
http.Error(w, "获取数据失败："+err.Error(), http.StatusInternalServerError)
return
}
log.Printf("成功获取到 %d 条数据记录", len(data))
if err := json.NewEncoder(w).Encode(data); err != nil {
log.Printf("错误: 编码JSON失败: %v", err)
http.Error(w, "编码JSON失败："+err.Error(), http.StatusInternalServerError)
}
log.Printf("接收到获取数据请求: %s", r.URL.String())
w.Header().Set("Content-Type", "application/json")
sensorIDStr := r.URL.Query().Get("sensor_id")
limitStr := r.URL.Query().Get("limit")
startDateStr := r.URL.Query().Get("start_date")
endDateStr := r.URL.Query().Get("end_date")
limit := 500 // 默认限制为500条数据
noLimit := false // 是否不限制数据条数
var sensorID int
var err error
if sensorIDStr != "" && sensorIDStr != "all" {
sensorID, err = strconv.Atoi(sensorIDStr)
if err != nil {
log.Printf("错误: 无效的传感器ID: %s", sensorIDStr)
http.Error(w, "无效的传感器ID", http.StatusBadRequest)
return
}
}
if limitStr != "" {
if limitStr == "all" {
noLimit = true
limit = 1000000 // 使用一个非常大的数值作为实际上的"无限制"
} else {
limit, err = strconv.Atoi(limitStr)
if err != nil || limit <= 0 {
log.Printf("错误: 无效的记录数限制: %s", limitStr)
http.Error(w, "无效的记录数限制", http.StatusBadRequest)
return
}
}
}
var startDate, endDate time.Time
if startDateStr != "" {
startDate, err = time.Parse("2006-01-02T15:04", startDateStr)
if err != nil {
log.Printf("错误: 无效的开始日期: %s, %v", startDateStr, err)
http.Error(w, "无效的开始日期", http.StatusBadRequest)
return
}
}
if endDateStr != "" {
endDate, err = time.Parse("2006-01-02T15:04", endDateStr)
if err != nil {
log.Printf("错误: 无效的结束日期: %s, %v", endDateStr, err)
http.Error(w, "无效的结束日期", http.StatusBadRequest)
return
}
}
var data []SensorData
if sensorIDStr == "all" || sensorIDStr == "" {
data, err = GetAllSensorData(limit, startDate, endDate)
} else {
data, err = GetSensorData(sensorID, limit, startDate, endDate)
}
if err != nil {
log.Printf("错误: 获取数据失败: %v", err)
http.Error(w, "获取数据失败："+err.Error(), http.StatusInternalServerError)
return
}
if noLimit {
log.Printf("成功获取到所有数据记录（%d条）", len(data))
} else {
log.Printf("成功获取到 %d 条数据记录（限制：%d条）", len(data), limit)
}
if err := json.NewEncoder(w).Encode(data); err != nil {
log.Printf("错误: 编码JSON失败: %v", err)
http.Error(w, "编码JSON失败："+err.Error(), http.StatusInternalServerError)
}
}
// 处理获取所有传感器ID的API
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()
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)
return
}
log.Printf("成功获取到 %d 个传感器ID", len(sensorIDs))
if err := json.NewEncoder(w).Encode(sensorIDs); err != nil {
log.Printf("错误: 编码JSON失败: %v", err)
http.Error(w, "编码JSON失败："+err.Error(), http.StatusInternalServerError)
}
}
func handleGetClients(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
clients := getAllClients()
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)
http.Error(w, "编码JSON失败："+err.Error(), http.StatusInternalServerError)
}
w.Header().Set("Content-Type", "application/json")
clients := getAllClients()
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)
http.Error(w, "编码JSON失败："+err.Error(), http.StatusInternalServerError)
}
}

5
templates/index.html
View File

@ -159,6 +159,7 @@
<option value="1000">1000</option>
<option value="2000">2000</option>
<option value="5000">5000</option>
<option value="all">全部</option>
</select>
</div>
@ -328,7 +329,7 @@
function resetFilters() {
initializeDatePickers();
document.getElementById('sensorSelect').value = 'all';
document.getElementById('limitSelect').value = '100';
document.getElementById('limitSelect').value = '500';
loadData();
}
@ -394,7 +395,7 @@
params.push(`sensor_id=${sensorID}`);
}
if (limit) {
if (limit && limit !== 'all') {
params.push(`limit=${limit}`);
}