1.增加事件录像，事件录像列表接口

2.将下载时间范围内的录像及播放时间范围内的录像参数统一为start和end
3.增加事件录像入数据库功能

mysqldb.go

@@ -0,0 +1,95 @@
+package record
+
+import (
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+	"log"
+)
+
+var mysqldb *gorm.DB
+var err error
+
+var createDataBaseSql = `CREATE DATABASE IF NOT EXISTS m7srecord;`
+
+var useDataBaseSql = `USE m7srecord;`
+
+var initsql = `CREATE TABLE IF NOT EXISTS eventrecord (
+  id int(11) NOT NULL AUTO_INCREMENT,
+  streamPath varchar(255) NOT NULL COMMENT '流路径',
+  eventId varchar(255) DEFAULT NULL COMMENT '事件编号',
+  eventType varchar(255) DEFAULT NULL COMMENT '事件类型',
+  eventName varchar(255) DEFAULT NULL COMMENT '事件名称',
+  beforeDuration int(255) DEFAULT NULL COMMENT '事件前缓存时长',
+  afterDuration int(255) DEFAULT NULL COMMENT '事件后缓存时长',
+  recordTime datetime DEFAULT NULL COMMENT '录像时间',
+  startTime datetime DEFAULT NULL COMMENT '录像开始时间',
+  endTime datetime DEFAULT NULL COMMENT '录像结束时间',
+  filepath varchar(255) DEFAULT NULL COMMENT '录像文件路径',
+  isDelete varchar(255) DEFAULT '0' COMMENT '是否删除，0表示正常，1表示删除，默认0',
+  fileName varchar(255) DEFAULT NULL COMMENT '文件名',
+  userId int(11) DEFAULT NULL COMMENT '用户id',
+  PRIMARY KEY (id)
+) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4;`
+
+func initMysqlDB(MysqlDSN string) {
+	mysqldb, err = gorm.Open(mysql.Open(MysqlDSN), &gorm.Config{})
+	if err != nil {
+		log.Fatal(err)
+	}
+	mysqldb.Exec(createDataBaseSql)
+	mysqldb.Exec(useDataBaseSql)
+	mysqldb.Exec(initsql)
+	//mysqldb.AutoMigrate(&EventRecord{})
+	mysqldb.AutoMigrate(&Exception{})
+}
+
+func paginate[T any](model T, pageNum, pageSize int, filters map[string]interface{}) ([]T, int64, error) {
+	var results []T
+	var totalCount int64
+
+	// 计算偏移量
+	offset := (pageNum - 1) * pageSize
+
+	// 查询总记录数
+	countQuery := mysqldb.Model(model)
+	for field, value := range filters {
+		if valueStr, ok := value.(string); ok && (valueStr != "") {
+			//	countQuery = countQuery.Where(field+" LIKE ?", "%"+valueStr+"%")
+			//} else {
+			if field == "startTime" {
+				countQuery = countQuery.Where("recordTime >= ?", valueStr)
+			} else if field == "endTime" {
+				countQuery = countQuery.Where("recordTime <= ?", valueStr)
+			} else {
+				countQuery = countQuery.Where(field+" = ?", value)
+			}
+		}
+	}
+	result := countQuery.Count(&totalCount)
+	if result.Error != nil {
+		return nil, 0, result.Error
+	}
+
+	// 查询当前页的数据
+	query := mysqldb.Model(model).Limit(pageSize).Offset(offset)
+	for field, value := range filters {
+		if valueStr, ok := value.(string); ok && (valueStr != "") {
+			//	query = query.Where(field+" LIKE ?", "%"+valueStr+"%")
+			//} else {
+			if field == "startTime" {
+				query = query.Where("recordTime >= ?", valueStr)
+			} else if field == "endTime" {
+				query = query.Where("recordTime <= ?", valueStr)
+			} else {
+				query = query.Where(field+" = ?", value)
+			}
+		}
+	}
+
+	result = query.Find(&results)
+	if result.Error != nil {
+		return nil, 0, result.Error
+	}
+
+	return results, totalCount, nil
+}