源码，效果访问：http://47.116.8.77

package main

import (
    "github.com/gin-gonic/gin"
    "github.com/jinzhu/gorm"
    _ "github.com/jinzhu/gorm/dialects/mysql"
    "net/http"
)

var (
    DB *gorm.DB
)

// todo model
type Todo struct {
    ID     int    `json:"id"`
    Title  string `json:"title"`
    Status bool   `json:"status"`
}

func initMysql() (err error) {
    //dsn := "root:password@tcp(127.0.0.1:3306)/da1?charset=utf8mb&parseTime=True&loc=lcoal"
    dsn := "root:root:password@tcp(127.0.0.1:3306)/bubble?charset=utf8&parseTime=True"
    DB, err = gorm.Open("mysql", dsn)
    if err != nil {
        return
    }
    return DB.DB().Ping()
}

func main() {
    //创建数据库
    //sql：CREAT DATABASE bubble
    //连接数据库
    err := initMysql()
    if err != nil {
        panic(err)
    }
    defer DB.Close()
    //模型绑定
    DB.AutoMigrate(&Todo{})

    r := gin.Default()
    r.Static("/static", "static")
    r.LoadHTMLGlob("templates/*")
    r.GET("/", func(c *gin.Context) {
        c.HTML(http.StatusOK, "index.html", nil)
    })

    v1Group := r.Group("v1")
    {
        //待办事项

        //添加
        v1Group.POST("/todo", func(c *gin.Context) {
            // 1.从请求中把数据拿出来
            var todo Todo
            c.BindJSON(&todo)
            // 2.存入数据库
            if err := DB.Create(&todo).Error; err != nil {
                c.JSON(http.StatusOK, gin.H{"error": err.Error()})
            } else {
                c.JSON(http.StatusOK, todo)
                //c.JSON(http.StatusOK,gin.H{
                //  "code":200,
                //  "msg":"success",
                //  "data":todo,
                //})
            }
            // 3.返回响应
        })
        //查看所有待办事项
        v1Group.GET("/todo", func(c *gin.Context) {
            var todoList []Todo
            if err := DB.Find(&todoList).Error; err != nil {
                c.JSON(http.StatusOK, gin.H{"error": err.Error})
            } else {
                c.JSON(http.StatusOK, todoList)
            }
        })
        //查看某一个待办事项
        v1Group.GET("/todo/:id", func(c *gin.Context) {

        })

        //修改
        v1Group.PUT("/todo/:id", func(c *gin.Context) {
            id, ok := c.Params.Get("id")
            if !ok {
                c.JSON(http.StatusOK, gin.H{"error": "无效id"})
                return
            }
            var todo Todo
            if err = DB.Where("id=?", id).First(&todo).Error; err != nil {
                c.JSON(http.StatusOK, gin.H{"error": err.Error})
                return
            }
            c.BindJSON(&todo)
            if err = DB.Debug().Save(&todo).Error; err != nil {
                c.JSON(http.StatusOK, gin.H{"error": err.Error})
            } else {
                c.JSON(http.StatusOK, todo)
            }
        })

        //删除
        v1Group.DELETE("/todo/:id", func(c *gin.Context) {
            id,ok:=c.Params.Get("id")
            if !ok{
                c.JSON(http.StatusOK,gin.H{"error":"无效id"})
                return
            }
            if err = DB.Where("id=?",id).Delete(Todo{}).Error;err!=nil{
                c.JSON(http.StatusOK,gin.H{"error":err.Error()})
            }else {
                c.JSON(http.StatusOK,gin.H{id:"deleted"})
            }
        })
    }

    //r.Run(":9000")
    r.Run(":80")
}

web内容参考https://github.com/Q1mi/go_web/blob/master/lesson26/bubble/dist.zip