脚本如下,简单易用:
package mainimport ("fmt""gorm.io/driver/mysql""gorm.io/gorm"
)type BaseID struct {ID int64 `gorm:"primaryKey" json:"id"`
}type Tasks struct {BaseIDUUID string `gorm:"column:uuid;not null;unique;index" json:"uuid"`Name string `gorm:"column:name;type:varchar(128)" json:"name"`CreateTime float64 `gorm:"column:create_time" json:"create_time"`
}func main() {// 连接 MySQL 数据库dsn := "root:**********@tcp(192.68.1.1:3306)/skyeye?charset=utf8mb4&parseTime=True&loc=Local"db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})if err != nil {panic(err.Error())}// 查询数据行数var count int64result := db.Model(&Tasks{}).Count(&count)//db.DBO.Model(&oldModels.Tasks{}).Where("is_delete = 0").Count(&totalCount)if result.Error != nil {panic(result.Error.Error())}fmt.Printf("表中共有 %d 行数据\n", count)
}
将Golang脚本编译成可执行二进制文件的命令:
windows:
# 要求在cmd命令行下执行 - 否则会报错
SET CGO_ENABLED=0&&SET GOOS=linux&&SET GOARCH=amd64&& go build -o query_count ./main.go
SET CGO_ENABLED=0&&SET GOOS=windows&&SET GOARCH=amd64&& go build -o query_count.exe ./main.go
linux:
env GOOS=linux GOARCH=amd64 GO111MODULE=on GOPROXY=https://goproxy.cn,direct go build -ldflags "-s -w" -o query_count main.go