说明
项目的初步重构已经完成(具体功能可以参考"实现功能"部分)项目地址。
这个项目的后端设计分为三种类型:创建、删除和更新,实际上更侧重Gorm
和数据库的使用,我认为这个项目是一个更类似于Java类的项目,毕竟Go的简单项目给人的印象是更倾向于去使用并发编程来构建群聊等实时通信功能的。但我认为,在对于web开发,前后端交互以及端口监听等知识还模棱两可的时候,选择这样一个更偏向本地数据库类型的项目,可能更容易上手和体验Go开发的乐趣。
有些偷懒的是,这个项目考虑到的信息交互并未使用令牌
来确保数据传输的安全,我砍掉了redis
的部分。我们使用的是name+password
的方式,可以在前端存储登陆之后的用户的name+password
,并且和之后需要执行的操作一起返回给后端。
实现功能
路由实现
首先,使用路由的形式展示整体项目的结构功能
用户
user := r.Group("/user"){// 注册用户相关的路由 username password confirm_passworduser.POST("/register", controllers.UserController{}.Register)// 登录用户相关的路由 username passworduser.POST("/login", controllers.UserController{}.Login)//实现投票功能的路由 activity_id username password player_iduser.POST("/vote", controllers.VoteController{}.AddVote)//删除投票功能的路由 activity_id username password player_iduser.POST("/delete_vote", controllers.VoteController{}.DeleteVote)//实现删除用户的路由 username password confirm_sentenceuser.POST("/delete", controllers.UserController{}.UserDelete)// 实现用户获取自己的投票记录 username passworduser.POST("/get_vote_list", controllers.UserController{}.GetVoteList)//实现用户修改密码 username password new_password confirm_new_passworduser.POST("/modify_password", controllers.UserController{}.ModifyPassword)}
参赛者
player := r.Group("/player"){//注册参赛者相关的路由 nickname password confirm_passwordplayer.POST("/register", controllers.PlayerController{}.PlayerRegister)//实现用户选择自己想参与的活动 activity_id nickname passwordplayer.POST("/add_activity", controllers.PlayerController{}.PlayerChooseActivity)//实现添加自己的参赛宣言功能 declaration nickname passwordplayer.POST("/add_declaration", controllers.PlayerController{}.UpdateDeclaration)//获取目前可以参加的活动列表 GETplayer.GET("/get_activitys", controllers.ActivityController{}.GetActivityListForPlayer)//退出正在参与的活动 nickname passwordplayer.POST("/quit_activity", controllers.PlayerController{}.QuitActivity)注销参赛者 和删除用户逻辑一样,不写了//player.POST("/delete", controllers.PlayerController{}.PlayerDelete)//获取给自己投票的玩家列表 nickname passwordplayer.POST("/get_vote_players", controllers.PlayerController{}.GetVoteUsers)//获取某个活动中给自己投票的玩家列表 nickname password activity_idplayer.POST("/get_vote_players_in_activity", controllers.PlayerController{}.GetVoteUsersInActivity)//获取某项活动的排行榜 activity_id 不合理(获取的是总分)player.POST("/get_activity_ranking", controllers.PlayerController{}.GetRanking)}
管理员
controller := r.Group("/admin"){//注册管理员相关的路由 admin_name password confirm_password keycontroller.POST("/register", controllers.Controller{}.Register)//添加 admin_name passwordcontroller.POST("/activity", controllers.Controller{}.AddActivity)//获取参赛者的总分列表 admin_name password activity_namecontroller.POST("/ranking", controllers.Controller{}.GetAllRanking) //获取排行榜 方便下一步去更改某个player的分数//更新某个player的分数 player_name admin_name password update_scorecontroller.POST("/update_score", controllers.Controller{}.UpdatePlayersScore)//将某个活动关闭 admin_name password activity_idcontroller.POST("/close_activity", controllers.Controller{}.CloseActivity)//去除某个参赛者在某项活动的得分 admin_name password activity_id player_idcontroller.POST("/delete_player_score", controllers.Controller{}.DeletePlayerScore)//去除某个用户对于某个活动的投票 admin_name password activity_id user_idcontroller.POST("/delete_vote", controllers.Controller{}.DeleteVote)}
活动
activity := r.Group("/activity"){//获取所有活动列表 GETactivity.GET("/list", controllers.ActivityController{}.GetActivityList)//获取参与某项活动的参赛者列表 activity_idplayer.POST("/player_list", controllers.PlayerController{}.GetPlayerList)}
返回值说明
用户
注册
{"code": 0,"data": {"username": "ht","userid": 38},"msg": "注册成功","count": 1
}
登陆
{"code": 0,"data": {"id": 38,"username": "ht"},"msg": "登录成功","count": 1
}
投票
{"code": 0,"data": 22,"msg": "投票成功","count": 1
}
删除投票
{"code": 0,"data": null,"msg": "删除投票成功","count": 1
}
注销用户
{"code": 0,"data": null,"msg": "删除成功","count": 1
}
获取自己的投票记录
{"code": 0,"data": [{"id": 24,"user_id": 38,"player_id": 1,"add_time": 1729058838,"activity_id": 1},{"id": 23,"user_id": 38,"player_id": 2,"add_time": 1729058710,"activity_id": 1}],"msg": "获取投票列表成功","count": 1
}
修改密码
{"code": 0,"data": "新密码是:111111","msg": "修改密码成功","count": 1
}
参赛者
注册
{"code": 0,"data": {"id": 6,"nickname": "MJ","aid": 0,"ref": 0,"avatar": 0,"score": 0,"declaration": "","password": "111111"},"msg": "注册成功","count": 1
}
参与活动
{"code": 0,"data": null,"msg": "参加活动成功","count": 1
}
修改参赛宣言
{"code": 0,"data": "宣言更改为:原来你也玩原神,原神启动","msg": "宣言更改成功","count": 1
}
查看可参加的活动列表(GET)
{"code": 0,"data": [{"id": 1,"name": "run","state": 1},{"id": 2,"name": "climb","state": 1}],"msg": "获取成功","count": 1
}
退出正在参与的活动
{"code": 0,"data": "被扣除积分为:0","msg": "退出活动成功","count": 1
}
获得给自己投票的玩家列表
{"code": 0,"data": [{"id": 19,"user_id": 31,"player_id": 6,"add_time": 0,"activity_id": 1},{"id": 17,"user_id": 32,"player_id": 6,"add_time": 0,"activity_id": 1}],"msg": "获取投票列表成功","count": 1
}
获得在某个活动中给自己投票的玩家列表
{"code": 0,"data": [{"id": 19,"user_id": 31,"player_id": 6,"add_time": 0,"activity_id": 1},{"id": 17,"user_id": 32,"player_id": 6,"add_time": 0,"activity_id": 1}],"msg": "获取投票列表成功","count": 1
}
获得某项活动的排行榜(待重构)
想使用借鉴交易型结构,通过遍历数据库vote的条目来得出某项活动中各个参赛者的得分。
{"code": 0,"data": [{"PlayerID": 1,"Score": 3},{"PlayerID": 4,"Score": 2},{"PlayerID": 2,"Score": 1}],"msg": "获取成功","count": 1
}
管理员
注册
{"code": 0,"data": {"id": 0,"controller_name": "AweiRu","password": "111111"},"msg": "注册成功","count": 1
}
添加活动
{"code": 0,"data": {"id": 3,"name": "rush","state": 1},"msg": "注册成功","count": 1
}
获取参赛者总分列表
{"code": 0,"data": [{"id": 2,"nickname": "Yossi","aid": 1,"ref": 2,"avatar": 1122,"score": 124,"declaration": "我是吆西,日服球王","password": "111111"},{"id": 1,"nickname": "manba","aid": 1,"ref": 1,"avatar": 1112,"score": 100,"declaration": "我是牢大,点赞复活我","password": "111111"},{"id": 4,"nickname": "Zhyz","aid": 2,"ref": 4,"avatar": 3423,"score": 100,"declaration": "球队输了,我詹没输","password": "111111"},{"id": 5,"nickname": "iqun","aid": 1,"ref": 0,"avatar": 0,"score": 100,"declaration": "我爱玩原神,原神启动","password": "111111"},{"id": 6,"nickname": "MJ","aid": 1,"ref": 0,"avatar": 0,"score": 100,"declaration": "原来你也玩原神,原神启动","password": "111111"},{"id": 3,"nickname": "Cr7","aid": 0,"ref": 3,"avatar": 7777,"score": 99,"declaration": "我是罗,爱越位和偷金球","password": "111111"}],"msg": "获取成功","count": 1
}
更新某个参赛者总分
{"code": 0,"data": "Yossi更新之后的得分为:100","msg": "更新成功","count": 1
}
关闭某项活动
{"code": 0,"data": {"id": 1,"name": "run","state": 1},"msg": "关闭成功","count": 1
}
去除某个参赛者在某项活动中的得分
{"code": 0,"data": "删除了MJ在run活动的2票","msg": "删除成功","count": 1
}
去除某个用户对于某个活动的投票
{"code": 0,"data": "扣分的参赛者有:1,2","msg": "删除成功","count": 1
}
活动
获取所有活动列表
{"code": 0,"data": [{"id": 1,"name": "run","state": 0},{"id": 2,"name": "climb","state": 1},{"id": 3,"name": "rush","state": 1}],"msg": "获取成功","count": 1
}
获取参与某项活动的参赛者列表
{"code": 0,"data": [{"id": 1,"nickname": "manba","aid": 1,"ref": 1,"avatar": 1112,"score": 99,"declaration": "我是牢大,点赞复活我","password": "111111"},{"id": 2,"nickname": "Yossi","aid": 1,"ref": 2,"avatar": 1122,"score": 99,"declaration": "我是吆西,日服球王","password": "111111"},{"id": 5,"nickname": "iqun","aid": 1,"ref": 0,"avatar": 0,"score": 100,"declaration": "我爱玩原神,原神启动","password": "111111"},{"id": 6,"nickname": "MJ","aid": 1,"ref": 0,"avatar": 0,"score": 98,"declaration": "原来你也玩原神,原神启动","password": "111111"}],"msg": "获取成功","count": 1
}
设计感悟
-
对于获取数据的判空操作,获取数据时有以下常见两种形式:
username := c.DefaultPostForm("username", "") playerIdStr := c.DefaultPostForm("player_id", "0")
我们很容易看出,对于字符串类型的判空,在接收时只需要将
defaultvalue
这一位设置为空字符串就可以。然而,对于将要由字符串类型转为int
型是数据,我们的defaultvalue
要设置为0(int
型的默认零值),这样可以统一对于获取数据的处理格式。 -
对于数据库的存储,数据更新,往往在model文件中的函数要给出error型的返回值,这样可以方便查看错误类型(如果数据库上的操作不成功,可以反馈到程序中)
-
在路由部分上方写上这个路由是干什么的,以及需要传入的参数名称及类型是一个很好的习惯,方便检验
-
有一些功能的设计思路还是比较巧妙的,比如用户的删除自己投票,管理员的删除某个用户对某项活动的投票,管理员是删除某个参赛者的某项活动的投票以及用户类的退出活动,这些项的设计还是值得一看的。