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如何检查网站死链,最好用的导航软件是哪一个,公众号排版,网站开发按几年摊销gin学习笔记，不仅包含了基本的增删查改外，还包括参数传递，上传下载，模版、session与中间件等，方便收藏自习可用 文章目录 获得个请求get打印字符串get请求xmlget请求跳转http方法路由可以通过Context的Param方法来获取…

gin学习笔记，不仅包含了基本的增删查改外，还包括参数传递，上传下载，模版、session与中间件等，方便收藏自习可用

文章目录

  • 获得个请求
  • get打印字符串
  • get请求xml
  • get请求跳转
  • http方法
  • 路由
  • 可以通过Context的Param方法来获取API参数
  • 可以通过DefaultQuery()或Query()方法获取
  • 可以通过GetQuery()与Query()方法获取
  • 可以通过BindQuery
  • 可以通过shouldBindQuery()传递
  • QueryMap进行参数传递
  • 结构体有map进行传递
  • 表单参数传递
  • 路径参数传递
  • 上传一个文件
    • 上传特定文件
    • 上传多个文件
  • 上传，对文件进行保存
    • routes group
    • 404 not found
    • json数据解析和绑定
    • 表单数据解析和绑定
    • url数据绑定
    • 各种数据格式的响应
  • html模板渲染
  • 静态资源文件进行渲染
  • 模版取消转义
  • go重定向
  • cookie
  • 多session
  • redis Session固化存储
  • 异步执行与同步执行
  • 中间件
  • 全局中间件
  • 局部中间件
    • 定义两个路由，计算执行时间
    • cookie的使用
    • Cookie练习
    • 结构体验证
    • 结构体

获得个请求

package mainimport "github.com/gin-gonic/gin"func main() {r := gin.Default()//r.Get("/hello")r.GET("/", func(c *gin.Context) {c.JSON(200, gin.H{"message": "hello world",})})err := r.Run(":8080")if err != nil {panic(err)}
}

get打印字符串

type User struct {Id         int64             `form:"id" json:"id" uri:"id"`Name       string            `form:"name" json:"name" uri:"name"`Address    []string          `form:"address" binding:"required" json:"address" uri:"address"`AddressMap map[string]string `form:"addressMap" json:"addressMap" uri:"addressMap"`
}func main() {r := gin.Default()r.GET("/user/save", func(c *gin.Context) {c.String(http.StatusOK, "this is %s", "ms string value")})r.Run(":8081")
}

get请求xml

type User struct {Id         int64             `form:"id" json:"id" uri:"id" xml:"id"`Name       string            `form:"name" json:"name" uri:"name" xml:"name"`Address    []string          `form:"address" binding:"required" json:"address" uri:"address" xml:"address"`AddressMap map[string]string `form:"addressMap" json:"addressMap" uri:"addressMap" xml:"addressMap"`
}func main() {r := gin.Default()r.GET("/user/save", func(c *gin.Context) {id := c.Query("id")name := c.Query("name")c.XML(http.StatusOK, gin.H{"id": id, "message": name})})r.Run(":8081")
}

get请求跳转

http方法

  • GET :get方法请求一个指定资源的表示形式，或使用GET请求应该只被用于获取数据
  • POST ：POST方法用于将实体提交到指定资源，通常会导致在服务器上的状态变化
  • HEAD：HEAD方法请求一个与GET请求的响应相同的响应，但没有响应体
  • PUT：PUT方法用请求有效载荷替换目标资源的所有当前表示
  • DELETE ： DELETE 方法删除指定的资源

路由

func main() {r := gin.Default()//r.Get("/hello")r.GET("/", func(c *gin.Context) {c.JSON(200, gin.H{"message": "hello world",})})r.GET("/get", func(c *gin.Context) {c.JSON(200, gin.H{"message": "hello world",})})r.POST("/save", func(c *gin.Context) {c.JSON(200, gin.H{"message": "save",})})r.PUT("/put", func(c *gin.Context) {c.JSON(200, gin.H{"message": "put",})})r.DELETE("/delete", func(c *gin.Context) {c.JSON(200, gin.H{"message": "hello DELETE",})})r.Any("/Any", func(c *gin.Context) {c.JSON(200, gin.H{"message": "hello Any",})})r.GET("/user/find/:id", func(ctx *gin.Context) {ctx.JSON(200, ctx.Param("id"))})r.GET("/u/*Path", func(ctx *gin.Context) {ctx.JSON(200, ctx.Param("Path"))})v1 := r.Group("/v1"){v1.GET("find", func(ctx *gin.Context) {ctx.JSON(200, gin.H{"message": "find",})})}v2 := r.Group("/v2"){v2.GET("find", func(ctx *gin.Context) {ctx.JSON(200, gin.H{"message": "find",})})}err := r.Run(":8080")if err != nil {panic(err)}
}

可以通过Context的Param方法来获取API参数

func main() {r := gin.Default()r.GET("/user/:name/*action", func(c *gin.Context) {name := c.Param("name")action := c.Param("action")action = strings.Trim(action, "/")c.String(http.StatusOK, name+"is "+action)})//r.POST("/xxxpost", getting)r.Run(":8000")
}

可以通过DefaultQuery()或Query()方法获取

传个localhost:8080/user?name=zhangsan

func main() {r := gin.Default()r.GET("/user", func(c *gin.Context) {name := c.DefaultQuery("name", "枯藤")c.String(http.StatusOK, "Hello %s", name)})r.Run(":8080")
}

可以通过GetQuery()与Query()方法获取

func main() {r := gin.Default()//r.Get("/hello")r.GET("/user/save", func(c *gin.Context) {id := c.Query("id")name := c.Query("name")addr, ok := c.GetQuery("addr")c.JSON(200, gin.H{"id":   id,"name": name,"addr": addr,"errs": ok,})})err := r.Run(":8080")if err != nil {panic(err)}
}

可以通过BindQuery

type User struct {Id   int64  `form:"id"`Name string `form:"name"`
}func main() {r := gin.Default()//r.Get("/hello")r.GET("/user/save", func(c *gin.Context) {var user Usererr := c.BindQuery(&user)if err != nil {log.Fatalln(err)}c.JSON(http.StatusOK, user)})errs := r.Run(":8080")if errs != nil {panic(errs)}
}

可以通过shouldBindQuery()传递

type User struct {Id      int64    `form:"id"`Name    string   `form:"name"`Address []string `form:"address" binding:"required"`
}func main() {r := gin.Default()//r.Get("/hello")r.GET("/user/save", func(c *gin.Context) {var user Userc.ShouldBindQuery(&user)c.JSON(http.StatusOK, user)})errs := r.Run(":8080")if errs != nil {panic(errs)}
}

QueryMap进行参数传递

type User struct {Id      int64    `form:"id"`Name    string   `form:"name"`Address []string `form:"address" binding:"required"`
}func main() {r := gin.Default()//r.Get("/hello")r.GET("/user/save", func(c *gin.Context) {addressMap := c.QueryMap("addressMap")c.JSON(200, addressMap)})errs := r.Run(":8080")if errs != nil {panic(errs)}
}

localhost:8080/user/save?addressMap[c]=d&addressMap[d]=a
{"c": "d","d": "a"
}

结构体有map进行传递

type User struct {Id         int64             `form:"id"`Name       string            `form:"name"`Address    []string          `form:"address" binding:"required"`AddressMap map[string]string `form:"addressMap"`
}func main() {r := gin.Default()//r.Get("/hello")r.GET("/user/save", func(c *gin.Context) {var user Userc.ShouldBind(&user)user.AddressMap = c.QueryMap("addressMap")c.JSON(200, user)})_ = r.Run(":8080")}

表单参数传递

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><title>Document</title>
</head>
<body>
<form action="http://localhost:8080/form" method="post" action="application/x-www-form-urlencoded">用户名：<input type="text" name="username" placeholder="请输入你的用户
名">  <br>密&nbsp;&nbsp;&nbsp;码：<input type="password" name="userpassword" placeholder="请输入你的密码">  <br><input type="submit" value="提交">
</form>
</body>
</html>

用一个表单进行参数传递

func main() {r := gin.Default()r.POST("/form", func(c *gin.Context) {types := c.DefaultPostForm("type", "post")username := c.PostForm("username")password := c.PostForm("userpassword")c.String(http.StatusOK, fmt.Sprintf("username:%s,password:%s,type:%s", username, password, types))})r.Run(":8080")
}

关于表单的其他参数

type User struct {Id         int64             `form:"id"`Name       string            `form:"name"`Address    []string          `form:"address" binding:"required"`AddressMap map[string]string `form:"addressMap"`
}func main() {r := gin.Default()//r.Get("/hello")r.POST("/user/save", func(c *gin.Context) {id := c.PostForm("id")name := c.PostForm("name")address := c.PostFormArray("address")addressMap := c.PostFormMap("addressMap")c.JSON(200, gin.H{"code":         200,"msg":          "success","id":           id,"name":         name,"addressMap":   addressMap,"addressSlice": address,})})r.Run(":8081")}

也可以用绑定获取表单传过来的参数

type User struct {Id         int64             `form:"id"`Name       string            `form:"name"`Address    []string          `form:"address" binding:"required"`AddressMap map[string]string `form:"addressMap"`
}func main() {r := gin.Default()//r.Get("/hello")r.POST("/user/save", func(c *gin.Context) {var user Userc.ShouldBind(&user)addressMap := c.PostFormMap("addressMap")user.AddressMap = addressMapc.JSON(200, user)})r.Run(":8081")}

也可以用json形式

type User struct {Id         int64             `form:"id" json:"id"`Name       string            `form:"name" json:"name"`Address    []string          `form:"address" binding:"required" json:"address"`AddressMap map[string]string `form:"addressMap" json:"addressMap"`
}func main() {r := gin.Default()r.POST("/user/save", func(c *gin.Context) {var user Userc.ShouldBindJSON(&user)c.JSON(200, user)})r.Run(":8081")
}

路径参数传递

在这里插入代码片

上传一个文件

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><title>Document</title>
</head>
<body>
<form action="http://localhost:8080/upload" method="POST" enctype="multipart/form-data"><input type="file" name="file" /><button type="submit">上传</button>
</form>
</body>
</html>

go代码


func main() {r := gin.Default()r.MaxMultipartMemory = 8 << 20 // 8 MBr.POST("/upload", func(c *gin.Context) {file, err := c.FormFile("file")if err != nil {log.Printf("上传文件时发生错误: %v", err)c.String(500, "上传图片出错: %v", err)return}// 检查文件类型if !strings.HasPrefix(file.Header.Get("Content-Type"), "image/") {c.String(400, "只允许上传图片文件")return}// 确保上传目录存在if err := os.MkdirAll("./uploads", os.ModePerm); err != nil {log.Printf("创建文件夹失败: %v", err)c.String(500, "创建文件夹失败: %v", err)return}// 保存文件savePath := "./uploads/" + file.Filenameif err := c.SaveUploadedFile(file, savePath); err != nil {log.Printf("保存文件时发生错误: %v", err)c.String(500, "保存文件出错: %v", err)return}c.String(http.StatusOK, "文件上传成功: %s", file.Filename)})r.Run(":8080")
}

上传特定文件

func main() {r := gin.Default()r.POST("/upload", func(c *gin.Context) {_, headers, err := c.Request.FormFile("file")if err != nil {log.Printf("Error when try yo get file:%v", err)}if headers.Size > 1024*1024*2 {fmt.Println("文件太大了...")return}if headers.Header.Get("Content-Type") != "image/png" {fmt.Println("只允许上传png图片")return}c.SaveUploadedFile(headers, "./video/"+headers.Filename)c.String(http.StatusOK, headers.Filename)})r.Run(":8080")
}

上传多个文件

func main() {r := gin.Default()r.MaxMultipartMemory = 8 << 20r.POST("/upload", func(c *gin.Context) {form, err := c.MultipartForm()if err != nil {c.String(http.StatusBadRequest, fmt.Sprintf("get error: %s", err.Error()))}//获取所有图片files := form.File["files"]//遍历所有图片for _, file := range files {if err := c.SaveUploadedFile(file, file.Filename); err != nil {c.String(http.StatusBadRequest, fmt.Sprintf("upload error:%s", err.Error()))return}}c.String(200, fmt.Sprintf("upload ok %d files", len(files)))})r.Run(":8000")
}

上传，对文件进行保存

type User struct {Id         int64             `form:"id" json:"id" uri:"id"`Name       string            `form:"name" json:"name" uri:"name"`Address    []string          `form:"address" binding:"required" json:"address" uri:"address"`AddressMap map[string]string `form:"addressMap" json:"addressMap" uri:"addressMap"`
}func main() {r := gin.Default()r.POST("/user/save/:id/:name", func(c *gin.Context) {form, err := c.MultipartForm()if err != nil {panic(err)}value := form.Valuefiles := form.Filefor _, fileArray := range files {for _, f := range fileArray {c.SaveUploadedFile(f, "./"+f.Filename)}}c.JSON(200, value)})r.Run(":8081")
}

routes group

路由组合

func main() {r := gin.Default()v1 := r.Group("/v1"){v1.GET("/login", login)v1.GET("submit", submit)}v2 := r.Group("/v2"){v2.POST("/login", login)v2.POST("/submit", submit)}r.Run(":8080")
}func login(c *gin.Context) {name := c.DefaultQuery("name", "jack")c.String(200, fmt.Sprintf("hello %s %s\n", name, name))
}func submit(c *gin.Context) {name := c.DefaultQuery("name", "lily")c.String(200, fmt.Sprintf("hello %s %s\n", name, name))
}

404 not found

func main() {r := gin.Default()r.GET("/user", func(c *gin.Context) {name := c.DefaultQuery("name", "枯藤")c.String(http.StatusOK, fmt.Sprintf("hello %s", name))})r.NoRoute(func(c *gin.Context) {c.String(http.StatusNotFound, "404 page not found222222222222")})r.Run(":8080")}

json数据解析和绑定


type Login struct {User     string `form:"username" json:"user" uri:"user" xml:"user" binding:"required"`Password string `form:"password" json:"password" uri:"password" xml:"password" binding:"required"`
}func main() {//创建路由r := gin.Default()//json绑定r.POST("loginJSON", func(c *gin.Context) {var json Loginif err := c.ShouldBindJSON(&json); err != nil {c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})return}if json.User != "root" || json.Password != "123456" {c.JSON(http.StatusBadRequest, gin.H{"status": "304"})return}c.JSON(http.StatusOK, gin.H{"status": "200"})})r.Run(":8080")
}

表单数据解析和绑定


type Login struct {User     string `form:"username" json:"user" uri:"user" xml:"user" binding:"required"`Password string `form:"password" json:"password" uri:"password" xml:"password" binding:"required"`
}func main() {//创建路由r := gin.Default()r.POST("/loginForm", func(c *gin.Context) {var form Loginif err := c.Bind(&form); err != nil {c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})return}if form.User != "root" || form.Password != "admin" {c.JSON(http.StatusBadRequest, gin.H{"error": "304"})return}c.JSON(http.StatusOK, gin.H{"status": "200"})})r.Run(":8080")}

url数据绑定

type Login struct {User     string `form:"username" json:"user" uri:"user" xml:"user" binding:"required"`Password string `form:"password" json:"password" uri:"password" xml:"password" binding:"required"`
}func main() {r := gin.Default()//json绑定r.GET("/:user/:password", func(c *gin.Context) {var login Loginif err := c.ShouldBindUri(&login); err != nil {c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})return}//判断用户名密码是否正确if login.User != "root" || login.Password != "123456" {c.JSON(http.StatusBadRequest, gin.H{"error": "304"})return}c.JSON(http.StatusOK, gin.H{"message": "200"})})r.Run(":8080")}

各种数据格式的响应

func main() {//创建路由r := gin.Default()//1.jsonr.GET("/someJSON", func(c *gin.Context) {c.JSON(200, gin.H{"message": "someJSON", "status": 200})})//结构体响应r.GET("/someStruct", func(c *gin.Context) {var msg struct {Name    stringMessage stringNumber  int}msg.Name = "root"msg.Message = "message"msg.Number = 124c.JSON(200, msg)})r.GET("/someXML", func(c *gin.Context) {c.XML(200, gin.H{"message": "abc"})})//yaml响应r.GET("/someYAML", func(c *gin.Context) {c.YAML(200, gin.H{"message": "zhangsan"})})//5. protobuf 格式r.GET("/someProtobuf", func(c *gin.Context) {reps := []int64{int64(1), int64(2)}label := "label"data := &protoexample.Test{Label: &label,Reps:  reps,}c.ProtoBuf(200, data)})r.Run(":8080")
}

html模板渲染

目录：
在这里插入图片描述

func main() {//创建路由r := gin.Default()r.LoadHTMLGlob("tem/*")r.GET("/", func(c *gin.Context) {c.HTML(http.StatusOK, "index.html", gin.H{"title": "我是测试","ce":    "123456",})})r.Run(":8080")}

在这里插入图片描述

{{ define "user/index.html" }}
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><title>{{.title}}</title>
</head>
<body>
fgkjdskjdsh{{.address}}
</body>
</html>
{{ end }}

func main() {//创建路由r := gin.Default()r.LoadHTMLGlob("tem/**/*")r.GET("/index", func(c *gin.Context) {c.HTML(http.StatusOK, "user/index.html", gin.H{"title":   "我是测试","address": "www.61mh.com",})})r.Run(":8080")}

模板嵌套
header.html

{{define "public/header"}}
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>{{.title}}</title>
</head>
<body>{{end}}

footer.html

{{define "public/footer"}}
</body>
</html>
{{end}}

index.html

{{ define "user/index.html" }}
{{template "public/header" .}}
fgkjdskjdsh{{.address}}
{{template "public/footer" .}}
{{ end }}

func main() {//创建路由r := gin.Default()r.LoadHTMLGlob("tem/**/*")r.GET("/index", func(c *gin.Context) {c.HTML(http.StatusOK, "user/index.html", gin.H{"title":   "Goland Projects","address": "www.51mh.com",})})r.Run(":8080")}

静态资源文件进行渲染


func main() {r := gin.Default()//r.LoadHTMLFiles("./templates/index.tmpl", "./templates/user.tmpl")r.SetFuncMap(template.FuncMap{"safe": func(str string) template.HTML {return template.HTML(str)},})r.Static("/css", "./templates/css")r.LoadHTMLGlob("templates/**/*")r.GET("/index", func(c *gin.Context) {c.HTML(http.StatusOK, "index.tmpl", gin.H{"title": "<a href='http://www.baidu.com'>hello template</a>",})})r.GET("/user", func(c *gin.Context) {c.HTML(http.StatusOK, "user.tmpl", gin.H{"title": "<a href='http://www.baidu.com'>hello template</a>",})})r.Run(":8081")
}

模版取消转义

package mainimport ("github.com/gin-gonic/gin""html/template""net/http"
)func main() {r := gin.Default()//r.LoadHTMLFiles("./templates/index.tmpl", "./templates/user.tmpl")r.SetFuncMap(template.FuncMap{"safe": func(str string) template.HTML {return template.HTML(str)},})r.LoadHTMLGlob("templates/**/*")r.GET("/index", func(c *gin.Context) {c.HTML(http.StatusOK, "index.tmpl", gin.H{"title": "<a href='http://www.baidu.com'>hello template</a>",})})r.GET("/user", func(c *gin.Context) {c.HTML(http.StatusOK, "user.tmpl", gin.H{"title": "<a href='http://www.baidu.com'>hello template</a>",})})r.Run(":8081")
}

go重定向

func main() {//创建路由r := gin.Default()r.GET("/index", func(c *gin.Context) {c.Redirect(http.StatusMovedPermanently, "http://www.baidu.com")})r.Run(":8080")
}

cookie

设置cookie

c.SetCookie("site_cookie", "123456", 60*60*24, "/", "", false, false)

删除cookie

c.SetCookie("site_cookie", "123456", -1, "/", "", false, false)

读取cookie

data, err := c.Cookie("site_cookie")if err != nil {log.Println(err)c.JSON(200, err.Error())return}c.JSON(200, data)

多session

func main() {r := gin.Default()store := cookie.NewStore([]byte("secret"))sessionNames := []string{"a", "b"}r.Use(sessions.SessionsMany(sessionNames, store))r.GET("/hello", func(c *gin.Context) {sessionA := sessions.DefaultMany(c, "a")sessionB := sessions.DefaultMany(c, "b")if sessionA.Get("name") == nil {sessionA.Set("name", "b")sessionA.Save()}if sessionB.Get("name") == nil {sessionB.Set("name", "c")sessionB.Save()}})r.Run(":8081")
}

redis Session固化存储

func main() {r := gin.Default()store, _ := redis.NewStore(10, "tcp", "localhost:6379", "", []byte("secret"))r.Use(sessions.Sessions("mysession", store))r.GET("/incr", func(c *gin.Context) {session := sessions.Default(c)var cnt intv := session.Get("count")if v == nil {cnt = 0} else {cnt = v.(int)cnt++}session.Set("count", cnt)session.Save()c.JSON(200, gin.H{"count": cnt,})})r.Run(":8080")

异步执行与同步执行

func main() {//创建路由r := gin.Default()//异步r.GET("/long_async", func(c *gin.Context) {//一个副本copyContext := c.Copy()go func() {time.Sleep(3 * time.Second)log.Println("异步执行:" + copyContext.Request.URL.Path)}()})//同步r.GET("/long_sync", func(c *gin.Context) {time.Sleep(3 * time.Second)log.Println("同步执行:" + c.Request.URL.Path)})r.Run(":8080")
}

中间件

在gin框架中，中间件是指可以拦截http请求-响应生命周期的特殊函数，在请求-响应生命周期中可以注册多个中间件，每个中间件执行不同的功能，一个中间件执行完再轮到下一个中间件执行。

全局中间件

func MiddleWare() gin.HandlerFunc {return func(c *gin.Context) {t := time.Now()fmt.Println("中间件开始执行了")c.Set("request", "中间件")status := c.Writer.Status()fmt.Println("中间件执行完毕", status)t2 := time.Since(t)fmt.Println("time:", t2)}
}func main() {r := gin.Default()//注册中间价r.Use(MiddleWare())//{}代码规范{r.GET("/ce", func(c *gin.Context) {req, _ := c.Get("request")fmt.Println("request:", req)c.JSON(200, gin.H{"request": req})})}r.Run(":8080")
}

局部中间件


func MiddleWare() gin.HandlerFunc {return func(c *gin.Context) {t := time.Now()fmt.Println("中间开始执行了")c.Set("request", "中间剑")c.Next()status := c.Writer.Status()fmt.Println("中间件执行完毕", status)t2 := time.Since(t)fmt.Println("time:", t2)}
}func main() {r := gin.Default()r.Use(MiddleWare()){r.GET("/ce", func(c *gin.Context) {req, _ := c.Get("request")fmt.Println("request:", req)c.JSON(200, gin.H{"request": req})})}r.Run(":8080")
}

定义两个路由，计算执行时间


func myTime(c *gin.Context) {start := time.Now()c.Next()since := time.Since(start)fmt.Println("程序用时:", since)
}func main() {r := gin.Default()//注册中间件r.Use(myTime)shoppingGroup := r.Group("/shopping"){shoppingGroup.GET("/index", shopIndexHandler)shoppingGroup.GET("/home", shopHomeHandler)}r.Run(":8080")}func shopIndexHandler(c *gin.Context) {time.Sleep(5 * time.Second)
}func shopHomeHandler(c *gin.Context) {time.Sleep(3 * time.Second)fmt.Println("how do you do?")
}

cookie的使用

func main() {r := gin.Default()r.GET("/cookie", func(c *gin.Context) {cookie, err := c.Cookie("key_code")if err != nil {cookie = "ThisIsCookie"c.SetCookie("key_code", "value_cookie", 60, "/","localhost", false, true)}fmt.Printf("cookie的值是:%s\n", cookie)})r.Run(":8080")
}

Cookie练习

func AuthMiddleWare() gin.HandlerFunc {return func(c *gin.Context) {if cookie, err := c.Request.Cookie("username"); err == nil {if cookie.String() == "123" {c.Next()return}}c.JSON(http.StatusUnauthorized, gin.H{"error": "error"})c.Abort()return}
}
func main() {r := gin.Default()r.GET("/login", func(c *gin.Context) {c.SetCookie("abc", "123", 60, "/", "localhost", false, true)c.String(200, "Login Success!")})r.GET("/home", AuthMiddleWare(), func(c *gin.Context) {c.JSON(200, gin.H{"data": "home"})})r.Run(":8080")
}

结构体验证

type Person struct {Age      int       `form:"age" binding:"required,gt=10"`Name     string    `form:"name" binding:"required"`Birthday time.Time `form:"birthday" time_format:"2006-01-02"` time_utc: "1"
}func main() {r := gin.Default()r.GET("/51mh", func(c *gin.Context) {var person Personif err := c.ShouldBind(&person); err != nil {c.String(500, fmt.Sprint(err))return}c.String(200, fmt.Sprintf("%#v", person))})r.Run(":8080")
}

结构体


type Login struct {User     string `uri:"user" validate:"checkName"`Password string `uri:"password"`
}func checkName(f1 validator.FieldLevel) bool {if f1.Field().String() != "root" {return false}return true
}func main() {r := gin.Default()validate := validator.New()r.GET("/:user/:password", func(c *gin.Context) {var login Loginerr := validate.RegisterValidation("checkName", checkName)if err := c.ShouldBindUri(&login); err != nil {c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})return}err = validate.Struct(login)if err != nil {for _, err := range err.(validator.ValidationErrors) {fmt.Println(err)}return}fmt.Println("success")})r.Run(":8080")}

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