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achieve #1866

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```go
package main

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"time"
)

func main() {
	r := gin.Default()
	r.GET("/:int/:string/:float/:bool/:duration", func(c *gin.Context) {
		var i int
		var err error

		err = c.ParamVar("int", &i)
		fmt.Printf("%v, %v\n", i, err)

		var b bool
		err = c.ParamVar("bool", &b)
		fmt.Printf("%v, %v\n", b, err)

		var f float64
		err = c.ParamVar("float", &f)
		fmt.Printf("%v, %v\n", f, err)

		var s string
		err = c.ParamVar("string", &s)
		fmt.Printf("%v, %v\n", s, err)

		var d time.Duration
		err = c.ParamVar("duration", &d)
		fmt.Printf("%v, %v\n", d, err)
	})

	r.Run()
	return
}

// client
// curl -X GET 127.0.0.1:8080/1/test/3.14/true/1s
```
This commit is contained in:
guonaihong 2019-06-14 19:35:26 +08:00
parent 9e03cea269
commit b4e2ca4585
1 changed files with 25 additions and 0 deletions
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25
context.go
View File

@ -328,6 +328,31 @@ func (c *Context) GetStringMapStringSlice(key string) (smss map[string][]string)
return
}
// ParamVar get the value of the URL param.
// curl -X GET 127.0.0.1:8080/1/test/3.14/true/1s
//
// router.GET("/:int/:string/:float/:bool/:duration", func(c *gin.Context) {
// var i int
// var b bool
// var f float64
// var s string
// var d time.Duration
// err = c.ParamVar("int", &i) // int == 1
// err = c.ParamVar("bool", &b) // bool == true
// err = c.ParamVar("float", &f) // float == 3.14
// err = c.ParamVar("string", &s) // string == test
// err = c.ParamVar("duration", &d) // duration == time.Second
// })
func (c *Context) ParamVar(key string, val interface{}) error {
rv := reflect.ValueOf(val)
if rv.Kind() != reflect.Ptr || rv.IsNil() {
return errors.New("Invalid parameter")
}
return binding.SetValue(rv, rv.Elem(), []string{c.Param(key)}, true)
}
/************************************/
/************ INPUT DATA ************/
/************************************/