douchui1657 2019-08-05 07:55
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如何在gin路由器中呈现静态文件？

I want to serve a json file with gin server. And set some customize values in the html file. Use JavaScript in it to call the json file.

My application structure:

.
├── main.go
└── templates
    ├── index.html
    └── web.json

I put these basic source into main.go file:

package main

import (
    "net/http"

    "github.com/gin-gonic/gin"
)

var router *gin.Engine

func main() {
    router = gin.Default()
    router.LoadHTMLGlob("templates/*")

    router.GET("/web", func(c *gin.Context) {
        c.HTML(
            http.StatusOK,
            "index.html",
            gin.H{
                "title": "Web",
                "url":   "./web.json",
            },
        )
    })

    router.Run()
}

Some code in templates/index.html file:

<!doctype html>
<html>

  <head>
    <title>{{ .title }}</title>

    // ...
  </head>

  <body>
    <div id="swagger-ui"></div>

    // ...

    <script>
      window.onload = function() {
        // Begin Swagger UI call region
        const ui = SwaggerUIBundle({
          url: "{{ .url }}",
          dom_id: '#swagger-ui',
          // ...
        })
        // End Swagger UI call region

        window.ui = ui
      }
    </script>

  </body>
</html>

When run the application, got fetch error: Not Found ./web.json. So how to serve the web.json file to be accessed in the gin internal server?

  • 写回答

1条回答 默认 最新

  • dtrt2368 2019-08-05 07:59
    关注

    Quoting the original gin docs: https://github.com/gin-gonic/gin#serving-static-files

    func main() {
    router := gin.Default()
    router.Static("/assets", "./assets")
    router.StaticFS("/more_static", http.Dir("my_file_system"))
    router.StaticFile("/favicon.ico", "./resources/favicon.ico")

    // Listen and serve on 0.0.0.0:8080
    router.Run(":8080")
}

    So basically you should define a route specific to your JSON file next to other routes you've defined. And then use that.

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论

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