ColdVerify_server/controllers/Task.go

package controllers

import (
	"ColdVerify_server/Nats/NatsServer"
	"ColdVerify_server/conf"
	"ColdVerify_server/lib"
	"ColdVerify_server/logs"
	"ColdVerify_server/models/Account"
	"ColdVerify_server/models/Device"
	"ColdVerify_server/models/System"
	"ColdVerify_server/models/Task"
	"fmt"
	beego "github.com/beego/beego/v2/server/web"
	"gonum.org/v1/plot"
	"gonum.org/v1/plot/plotter"
	"gonum.org/v1/plot/vg"
	"gonum.org/v1/plot/vg/draw"
	"image/color"
	"math"
	"os"
	"sync"
	"time"
)

type TaskController struct {
	beego.Controller
}

// 列表 -
func (c *TaskController) List() {
	// 验证登录 User_is, User_r
	User_r, User_is := Account.Verification_Admin(c.Ctx.GetCookie("User_tokey"), c.GetString("User_tokey"))
	if !User_is {
		c.Data["json"] = lib.JSONS{Code: 201, Msg: "请重新登录!"}
		c.ServeJSON()
		return
	}

	var r_jsons lib.R_JSONS
	page, _ := c.GetInt("page")
	if page < 1 {
		page = 1
	}
	page_z, _ := c.GetInt("page_z")
	if page_z < 1 {
		page_z = conf.Page_size
	}

	T_name := c.GetString("T_name")
	T_uuid := c.GetString("T_uuid")

	UserMap := Account.UserListToMap(Account.Read_User_List_ALL_1())
	AdminMap := Account.AdminListToMap(Account.Read_Admin_List_ALL_1())

	var T_admin string
	if User_r.T_power > 2 {
		T_admin = User_r.T_uuid
	}

	var cnt int
	List, cnt := Task.Read_Task_List(T_uuid, T_admin, T_name, UserMap, AdminMap, page, page_z)

	page_size := math.Ceil(float64(cnt) / float64(page_z))
	r_jsons.List = List
	r_jsons.Page = page
	r_jsons.Page_size = int(page_size)
	r_jsons.Pages = lib.Func_page(int64(page), int64(page_size))
	r_jsons.Num = cnt

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: r_jsons}
	c.ServeJSON()
	return
}

// 列表 -
func (c *TaskController) UserTaskList() {
	// 验证登录 User_is, User_r
	User_r, User_is := Account.Verification(c.Ctx.GetCookie("User_tokey"), c.GetString("User_tokey"))
	if !User_is {
		c.Data["json"] = lib.JSONS{Code: 201, Msg: "请重新登录!"}
		c.ServeJSON()
		return
	}

	var r_jsons lib.R_JSONS
	page, _ := c.GetInt("page")
	if page < 1 {
		page = 1
	}
	page_z, _ := c.GetInt("page_z")
	if page_z < 1 {
		page_z = conf.Page_size
	}

	T_name := c.GetString("T_name")
	UserMap := Account.UserListToMap(Account.Read_User_List_ALL_1())
	AdminMap := Account.AdminListToMap(Account.Read_Admin_List_ALL_1())

	var cnt int
	List, cnt := Task.Read_UserTask_List(User_r.T_uuid, T_name, UserMap, AdminMap, page, page_z)
	page_size := math.Ceil(float64(cnt) / float64(page_z))
	r_jsons.List = List
	r_jsons.Page = page
	r_jsons.Page_size = int(page_size)
	r_jsons.Pages = lib.Func_page(int64(page), int64(page_size))
	r_jsons.Num = cnt

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: r_jsons}
	c.ServeJSON()
	return
}

// 获取-
func (c *TaskController) Get() {
	// 验证登录 User_is, User_r
	_, User_is := Account.Verification_Admin(c.Ctx.GetCookie("User_tokey"), c.GetString("User_tokey"))
	if !User_is {
		c.Data["json"] = lib.JSONS{Code: 201, Msg: "请重新登录!"}
		c.ServeJSON()
		return
	}

	T_task_id := c.GetString("T_task_id")
	r, is := Task.Read_Task(T_task_id)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "Id 错误!"}
		c.ServeJSON()
		return
	}
	// 添加浏览量
	_ = Task.Add_Task_Visit(r)
	r.T_Visit += 1
	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: Task.TaskToTask_R(r)}
	c.ServeJSON()
	return
}

// 添加-
func (c *TaskController) Add() {

	// 验证登录 User_is, User_r
	User_r, User_is := Account.Verification_Admin(c.Ctx.GetCookie("User_tokey"), c.GetString("User_tokey"))
	if !User_is {
		c.Data["json"] = lib.JSONS{Code: 201, Msg: "请重新登录!"}
		c.ServeJSON()
		return
	}
	dc := Device.DeviceClass{
		T_uuid:  User_r.T_uuid,
		T_State: 1,
	}
	T_class_id, is := Device.Add_DeviceClass(dc)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "添加分类失败!"}
		c.ServeJSON()
		return
	}
	System.Add_UserLogs_T(User_r.T_uuid, "分类管理", "添加", dc)

	T_name := c.GetString("T_name")
	T_uuid := c.GetString("T_uuid") // 用户uuid
	T_VerifyTemplate_class := c.GetString("T_VerifyTemplate_class")
	T_VerifyTemplate_id := c.GetString("T_VerifyTemplate_id")
	T_deadline := c.GetString("T_deadline")
	T_scheme := c.GetString("T_scheme")
	T_collection := c.GetString("T_collection")
	T_reporting := c.GetString("T_reporting")
	T_delivery := c.GetString("T_delivery")

	var_ := Task.Task{
		T_class:                int(T_class_id),
		T_uuid:                 T_uuid,
		T_name:                 T_name,
		T_VerifyTemplate_class: T_VerifyTemplate_class,
		T_VerifyTemplate_id:    T_VerifyTemplate_id,
		T_deadline:             T_deadline,
		T_scheme:               T_scheme,
		T_collection:           T_collection,
		T_reporting:            T_reporting,
		T_delivery:             T_delivery,
		T_Show:                 1,
		T_State:                1,
	}

	T_task_id, is := Task.Add_Task(var_)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "添加失败!"}
		c.ServeJSON()
		return
	}
	NatsServer.Create_Local_Table(T_task_id)
	// 添加任务操作日志
	Task.Add_TaskLogs_T(User_r.T_uuid, T_task_id, "任务管理", "添加", var_)
	System.Add_UserLogs_T(User_r.T_uuid, "任务管理", "添加", var_)
	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: T_task_id}
	c.ServeJSON()
	return
}

// 添加-
func (c *TaskController) AddData_Tool() {
	T_uuid := "3e84dda9-9eec-42b9-9350-0894262fc8a1" // 用户uuid

	T_name := c.GetString("T_name")
	T_task_id := c.GetString("T_task_id")

	r, _ := Task.Read_Task(T_task_id)
	if r.T_collection_state == 2 {
		c.Data["json"] = lib.JSONS{Code: 200, Msg: "数据采集中..."}
		c.ServeJSON()
		return
	}
	if r.Id > 0 {
		// 同步1.0数据
		NatsServer.Sync1_TaskData(T_task_id)

		c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: T_task_id}
		c.ServeJSON()
		return
	}

	dc := Device.DeviceClass{
		T_uuid:  T_uuid,
		T_State: 1,
	}
	T_class_id, is := Device.Add_DeviceClass(dc)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "添加分类失败!"}
		c.ServeJSON()
		return
	}
	var_ := Task.Task{
		T_task_id:          T_task_id,
		T_class:            int(T_class_id),
		T_uuid:             T_uuid,
		T_name:             T_name,
		T_Show:             1,
		T_State:            1,
		T_collection_state: 2,
	}

	_, is = Task.Add_Task_Tool(var_)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "添加失败!"}
		c.ServeJSON()
		return
	}
	// 创建本地表
	NatsServer.Create_Local_Table(T_task_id)
	// 同步1.0数据
	NatsServer.Sync1_TaskData(T_task_id)

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: T_task_id}
	c.ServeJSON()
	return
}

// 修改-
func (c *TaskController) Up() {
	// 验证登录 User_is, User_r
	User_r, User_is := Account.Verification_Admin(c.Ctx.GetCookie("User_tokey"), c.GetString("User_tokey"))
	if !User_is {
		c.Data["json"] = lib.JSONS{Code: 201, Msg: "请重新登录!"}
		c.ServeJSON()
		return
	}

	T_name := c.GetString("T_name")
	T_Show, T_Show_err := c.GetInt("T_Show")

	T_VerifyTemplate_class := c.GetString("T_VerifyTemplate_class")
	T_VerifyTemplate_id := c.GetString("T_VerifyTemplate_id")
	T_deadline := c.GetString("T_deadline")
	T_scheme := c.GetString("T_scheme")
	T_collection := c.GetString("T_collection")
	T_collection_state, _ := c.GetInt("T_collection_state")
	T_reporting := c.GetString("T_reporting")
	T_delivery := c.GetString("T_delivery")
	T_doc1 := c.GetString("T_doc1")
	T_pdf1 := c.GetString("T_pdf1")
	T_doc2 := c.GetString("T_doc2")
	T_pdf2 := c.GetString("T_pdf2")
	T_doc3 := c.GetString("T_doc3")
	T_pdf3 := c.GetString("T_pdf3")

	T_task_id := c.GetString("T_task_id")
	r, is := Task.Read_Task(T_task_id)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "Id 错误!"}
		c.ServeJSON()
		return
	}

	// .......
	clos := make([]string, 0)
	if len(T_name) > 0 {
		r.T_name = T_name
		clos = append(clos, "T_name")
	}
	if T_Show_err == nil {
		r.T_Show = T_Show
		clos = append(clos, "T_Show")
	}
	if len(T_VerifyTemplate_class) > 0 {
		r.T_VerifyTemplate_class = T_VerifyTemplate_class
		clos = append(clos, "T_VerifyTemplate_class")
	}
	if len(T_VerifyTemplate_id) > 0 {
		r.T_VerifyTemplate_id = T_VerifyTemplate_id
		clos = append(clos, "T_VerifyTemplate_id")
	}
	if len(T_deadline) > 0 {
		r.T_deadline = T_deadline
		clos = append(clos, "T_deadline")
	}
	if len(T_scheme) > 0 {
		r.T_scheme = T_scheme
		clos = append(clos, "T_scheme")
	}
	if len(T_collection) > 0 {
		r.T_collection = T_collection
		clos = append(clos, "T_collection")
	}
	if len(T_reporting) > 0 {
		r.T_reporting = T_reporting
		clos = append(clos, "T_reporting")
	}
	if len(T_delivery) > 0 {
		r.T_delivery = T_delivery
		clos = append(clos, "T_delivery")
	}

	if T_collection_state == 4 {
		r.T_collection_state = T_collection_state
		clos = append(clos, "T_collection_state")
	}

	if len(T_doc1) > 0 {
		r.T_doc1 = T_doc1
		clos = append(clos, "T_doc1")
	}
	// 验证报告内容T_pdf1 ，上传后将 当前任务 实施方案 标志 为 1
	if len(T_pdf1) > 0 {
		r.T_pdf1 = T_pdf1
		clos = append(clos, "T_pdf1")
		r.T_scheme_state = 1
		clos = append(clos, "T_scheme_state")
	}
	if len(T_doc2) > 0 {
		r.T_doc2 = T_doc2
		clos = append(clos, "T_doc2")
	}
	// 验证报告内容T_pdf2 ，上传后将 当前任务 报告编写 标志 为 1
	if len(T_pdf2) > 0 {
		r.T_pdf2 = T_pdf2
		clos = append(clos, "T_pdf2")
		r.T_reporting_state = 1
		clos = append(clos, "T_reporting_state")
	}
	if len(T_doc3) > 0 {
		r.T_doc3 = T_doc3
		clos = append(clos, "T_doc3")
	}
	if len(T_pdf3) > 0 {
		r.T_pdf3 = T_pdf3
		clos = append(clos, "T_pdf3")
	}

	// .......
	// "T_name", "T_Show", "T_VerifyTemplate_id", "T_deadline",
	//		"T_collection", "T_reporting", "T_delivery",
	//		"T_collection_state", "T_reporting_state", "T_delivery_state",
	//		"T_doc1", "T_pdf1", "T_doc2", "T_pdf2", "T_doc3", "T_pdf3"
	if !Task.Update_Task(r, clos...) {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "修改失败!"}
		c.ServeJSON()
		return
	}
	// 添加任务操作日志
	Task.Add_TaskLogs_T(User_r.T_uuid, T_task_id, "任务管理", "修改", r)
	System.Add_UserLogs_T(User_r.T_uuid, "任务管理", "修改", r)
	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!"}
	c.ServeJSON()
	return
}

// 删除-
func (c *TaskController) Del() {
	// 验证登录 User_is, User_r
	User_r, User_is := Account.Verification_Admin(c.Ctx.GetCookie("User_tokey"), c.GetString("User_tokey"))
	if !User_is {
		c.Data["json"] = lib.JSONS{Code: 201, Msg: "请重新登录!"}
		c.ServeJSON()
		return
	}

	T_task_id := c.GetString("T_task_id")
	if r, is := Task.Read_Task(T_task_id); is {
		if !Task.Delete_Task(r) {
			c.Data["json"] = lib.JSONS{Code: 202, Msg: "删除失败！"}
			c.ServeJSON()
			return
		}
		// 添加任务操作日志
		Task.Add_TaskLogs_T(User_r.T_uuid, T_task_id, "任务管理", "删除", r)
		System.Add_UserLogs_T(User_r.T_uuid, "任务管理", "删除", r)
		c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!"}
		c.ServeJSON()
		return
	}

	c.Data["json"] = lib.JSONS{Code: 202, Msg: "Id 错误!"}
	c.ServeJSON()
	return
}

// 列表 -
func (c *TaskController) Logs_List() {
	// 验证登录 User_is, User_r
	_, User_is := Account.Verification_Admin(c.Ctx.GetCookie("User_tokey"), c.GetString("User_tokey"))
	if !User_is {
		c.Data["json"] = lib.JSONS{Code: 201, Msg: "请重新登录!"}
		c.ServeJSON()
		return
	}

	var r_jsons lib.R_JSONS
	page, _ := c.GetInt("page")
	if page < 1 {
		page = 1
	}
	page_z, _ := c.GetInt("page_z")
	if page_z < 1 {
		page_z = conf.Page_size
	}

	T_task_id := c.GetString("T_task_id")

	AdminMap := Account.AdminListToMap(Account.Read_Admin_List_ALL_1())

	var cnt int
	List, cnt := Task.Read_TaskLogs_List(T_task_id, AdminMap, page, page_z)
	page_size := math.Ceil(float64(cnt) / float64(page_z))
	r_jsons.List = List
	r_jsons.Page = page
	r_jsons.Page_size = int(page_size)
	r_jsons.Pages = lib.Func_page(int64(page), int64(page_size))
	r_jsons.Num = cnt

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: r_jsons}
	c.ServeJSON()
	return
}

// 查询图片生成状态
func (c *TaskController) DeviceData_JPGState() {

	T_task_id := c.GetString("T_task_id")
	jpg, is := Device.Redis_DeviceDataJPG_Get(T_task_id)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "暂无图片正在生成"}
		c.ServeJSON()
		return
	}
	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!", Data: jpg}
	c.ServeJSON()
	return
}

func (c *TaskController) DeviceData_JPG() {
	StartTime := c.GetString("StartTime")
	if len(StartTime) > 0 {
		_, ok := lib.TimeStrToTime(StartTime)
		if !ok {
			c.Data["json"] = lib.JSONS{Code: 202, Msg: "时间格式错误!"}
			c.ServeJSON()
			return
		}
	}

	EndTime := c.GetString("EndTime")
	if len(EndTime) > 0 {
		_, ok := lib.TimeStrToTime(EndTime)
		if !ok {
			c.Data["json"] = lib.JSONS{Code: 202, Msg: "时间格式错误!"}
			c.ServeJSON()
			return
		}
	}

	TemperatureMin, _ := c.GetFloat("TemperatureMin") // 最低温度
	TemperatureMax, _ := c.GetFloat("TemperatureMax") // 最高温度
	if TemperatureMin == 0 {
		TemperatureMin = 2
	}
	if TemperatureMax == 0 {
		TemperatureMax = 8
	}

	T_task_id := c.GetString("T_task_id")
	Task_r, is := Task.Read_Task(T_task_id)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "T_task_id 错误!"}
		c.ServeJSON()
		return
	}
	if Task_r.T_collection_state == 2 {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "数据采集中，请稍后!"}
		c.ServeJSON()
		return
	}

	deviceClassList, _ := Device.Read_DeviceClassList_OrderList(Task_r.T_class, "", 0, 9999)
	if !is {
		c.Data["json"] = lib.JSONS{Code: 202, Msg: "T_class 错误!"}
		c.ServeJSON()
		return
	}

	Device.Redis_DeviceDataJPG_Del(T_task_id)

	// 生成图片
	go DeviceDataJPG(StartTime, EndTime, T_task_id, deviceClassList, TemperatureMin, TemperatureMax)

	c.Data["json"] = lib.JSONS{Code: 200, Msg: "ok!"}
	c.ServeJSON()
	return
}

// 存档生成图片
func DeviceDataJPG(StartTime, EndTime, T_task_id string, deviceList []Device.DeviceClassList, TemperatureMin, TemperatureMax float64) {
	Device.Redis_DeviceDataJPG_Set(T_task_id, Device.DeviceDataJPG{
		State: 1,
		Msg:   "图片生成中",
		Url:   "",
	})
	msg := ""
	state := 2
	url := ""

	if TemperatureMin == 0 {
		TemperatureMin = 2
	}
	if TemperatureMax == 0 {
		TemperatureMax = 8
	}
	var ymin, ymax float64
	var xminT, xmaxT time.Time
	if len(deviceList) > 0 {
		ymin, ymax, xminT, xmaxT = Device.Read_DeviceData_T_Min_Max_Time_Min_Max(deviceList[0].T_sn, StartTime, EndTime)
	}

	// 创建一个新的绘图
	p := plot.New()

	// 设置绘图标题和标签
	p.Title.Text = "温度折线图"
	//p.Legend.ThumbnailWidth = 5 * vg.Inch
	p.X.Label.Text = "时间"
	p.Y.Label.Text = "温度"

	var chData = make(chan int, 10)
	var jobGroup sync.WaitGroup
	var device = make([]Device.DeviceCount, len(deviceList))

	// 创建温度线
	for i := 0; i < len(deviceList); i++ {
		chData <- 1
		jobGroup.Add(1)
		go func(index int) {
			//go func(index int, wg *sync.WaitGroup, p *plot.Plot) {
			defer func() {
				<-chData        // 完成时chan取出1个
				jobGroup.Done() // 完成时将等待组值减1
			}()
			sn, id := deviceList[index].T_sn, deviceList[index].T_id
			ymin_, ymax_, minTime_, maxTime_ := Device.Read_DeviceData_T_Min_Max_Time_Min_Max(sn, StartTime, EndTime)

			if ymin > ymin_ {
				ymin = ymin_
			}
			if ymax < ymax_ {
				ymax = ymax_
			}
			if minTime_.Unix() < 0 {
				fmt.Println(minTime_)
			}

			if xminT.After(minTime_) {
				xminT = minTime_
			}

			if xmaxT.Before(maxTime_) {
				xmaxT = maxTime_
			}

			r_maps, r_maps_num := Device.Read_DeviceSensorData_ById_List(sn, StartTime, EndTime, 0, 9999)
			device[index] = Device.DeviceCount{
				T_id: id,
				Num:  r_maps_num,
			}
			if r_maps_num == 0 {
				return
			}

			pts := make(plotter.XYs, len(r_maps))
			for j, d := range r_maps {
				t, _ := lib.TimeStrToTime(d.T_time)
				pts[j].X = float64(t.Unix())
				pts[j].Y = float64(d.T_t)
			}

			line, err := plotter.NewLine(pts)
			if err != nil {
				return
			}
			line.Color = randomColor(index)
			p.Add(line)
		}(i)
	}
	jobGroup.Wait()

	xmin, xmax := float64(xminT.Unix()), float64(xmaxT.Unix())
	// 添加最高，最低标准线 用红色虚线标识
	p.Add(horizontalLine(xmin, xmax, TemperatureMin))

	p.Add(horizontalLine(xmin, xmax, TemperatureMax))

	if ymax < 8 {
		ymax = 8
	}
	if ymin > 0 {
		ymin = 0
	}
	p.Y.Min, p.Y.Max = ymin, ymax

	p.X.Min, p.X.Max = xmin, xmax
	p.Y.Tick.Marker = commaTicks{}
	//p.X.Tick.Marker = plot.TimeTicks{Format: "2006-01-02 15:04:05"}
	p.X.Tick.Marker = timeTicks{}
	p.X.Tick.Label.Rotation = math.Pi / 5
	p.X.Tick.Label.YAlign = draw.YCenter
	p.X.Tick.Label.XAlign = draw.XRight

	filename := "jpg" + time.Now().Format("20060102150405")
	// 保存文件
	if err := p.Save(10*vg.Inch, 4*vg.Inch, "ofile/"+filename+".jpg"); err != nil {
		Device.Redis_DeviceDataJPG_Set(T_task_id, Device.DeviceDataJPG{
			State: 3,
			Msg:   "图片生成失败",
			Url:   url,
		})
		logs.Error(lib.FuncName(), "生成图片失败", err)
		return
	}
	if !lib.Pload_qiniu("ofile/"+filename+".jpg", "ofile/"+filename+".jpg") {
		Device.Redis_DeviceDataJPG_Set(T_task_id, Device.DeviceDataJPG{
			State: 3,
			Msg:   "图片上传七牛云失败",
			Url:   url,
		})
		logs.Error(lib.FuncName(), "上传七牛云失败")
		return
	}
	//删除目录
	os.Remove("ofile/" + filename + ".jpg")

	msg = "图片生成成功"
	url = "https://bzdcoldverifyoss.baozhida.cn/" + "ofile/" + filename + ".jpg"

	Device.Redis_DeviceDataJPG_Set(T_task_id, Device.DeviceDataJPG{
		State:  state,
		Msg:    msg,
		Url:    url,
		Device: device,
	})
	return

}

func horizontalLine(xmin, xmax, y float64) *plotter.Line {
	pts := make(plotter.XYs, 2)
	pts[0].X = xmin
	pts[0].Y = y
	pts[1].X = xmax
	pts[1].Y = y
	line, err := plotter.NewLine(pts)
	if err != nil {
		panic(err)
	}
	line.LineStyle.Dashes = []vg.Length{vg.Points(8), vg.Points(5), vg.Points(1), vg.Points(5)}
	line.Color = color.RGBA{R: 255, A: 255}
	return line
}

type timeTicks struct{}

func (timeTicks) Ticks(min, max float64) []plot.Tick {
	tks := plot.TimeTicks{}.Ticks(min, max)
	for i, t := range tks {
		//if t.Label == "" { // Skip minor ticks, they are fine.
		//	continue
		//}
		tks[i].Label = time.Unix(int64(t.Value), 0).Format("2006-01-02 15:04:05")
	}

	return tks
}

type commaTicks struct{}

// Ticks computes the default tick marks, but inserts commas
// into the labels for the major tick marks.
func (commaTicks) Ticks(min, max float64) []plot.Tick {
	tks := plot.DefaultTicks{}.Ticks(min, max)
	for i, t := range tks {
		//if t.Label == "" { // Skip minor ticks, they are fine.
		//	continue
		//}
		tks[i].Label = fmt.Sprintf("%.0f", t.Value)
	}

	return tks
}

// 生成随机颜色的辅助函数
func randomColor(i int) color.RGBA {
	var colors []color.RGBA
	colors = append(colors,
		color.RGBA{R: 52, G: 152, B: 219, A: 255},
		color.RGBA{R: 230, G: 126, B: 34, A: 255},
		color.RGBA{R: 142, G: 68, B: 173, A: 255},
		color.RGBA{R: 211, G: 84, B: 0, A: 255},
		color.RGBA{R: 231, G: 76, B: 60, A: 255},
		color.RGBA{R: 26, G: 188, B: 156, A: 255},
		color.RGBA{R: 243, G: 156, B: 18, A: 255},
		color.RGBA{R: 22, G: 160, B: 133, A: 255},
		color.RGBA{R: 46, G: 204, B: 113, A: 255},
		color.RGBA{R: 39, G: 174, B: 96, A: 255},
		color.RGBA{R: 41, G: 128, B: 185, A: 255},
		color.RGBA{R: 155, G: 89, B: 182, A: 255},
		color.RGBA{R: 192, G: 57, B: 43, A: 255},
		color.RGBA{R: 241, G: 196, B: 15, A: 255},
	)

	return colors[i%len(colors)]
}