refactor: optimized usage logic

Readme.md

@@ -4,7 +4,7 @@ use knife4j-front to show the api documents for gin
 # Usage
 1. Add comments to your API source code
 2. Download [Swag](https://github.com/swaggo/swag) for Go by using:
-3. Run `swag init -ot json ` in your project directory
+3. Run `swag init -ot json` in your project directory
 4. Run `go get github.com/hononet639/knife4g`
 5. Add router to your gin project
     ### example:
@@ -17,13 +17,12 @@ use knife4j-front to show the api documents for gin
     )
 
     func main() {
-        port := "80"
         engine := gin.Default()
-        engine.GET("/doc/*any", knife4g.Handler(knife4g.Config{RelativePath: "/doc", Port: port}))
-        engine.Run(":"+port)
+        engine.GET("/doc/*any", knife4g.Handler(knife4g.Config{RelativePath: "/doc"}))
+        engine.Run(":80")
     }
     ```
-6. Visit http://localhost:port/doc/front/index
+6. Visit http://localhost/doc/index
 
 # Acknowledgement
 Thanks to [knife4j](https://github.com/xiaoymin/swagger-bootstrap-ui)

knife4g.go

@@ -20,7 +20,6 @@ var (
 
 type Config struct {
 	RelativePath string
-	Port         string
 }
 
 type service struct {
@@ -42,11 +41,11 @@ func Handler(config Config) gin.HandlerFunc {
 	myTemplate.RelativePath = config.RelativePath
 	docJsonPath := config.RelativePath + "/docJson"
 	servicesPath := config.RelativePath + "/front/service"
-	docPath := config.RelativePath + "/front/index"
+	docPath := config.RelativePath + "/index"
 	app9f2e4e4ePath := config.RelativePath + "/front/webjars/js/app.9f299301.js"
 
-	s.Url = "http://127.0.0.1:" + config.Port + config.RelativePath + "/docJson"
-	s.Location = "http://127.0.0.1:" + config.Port + config.RelativePath + "/docJson"
+	s.Url = "/docJson"
+	s.Location = "/docJson"
 	s.Name = "API Documentation"
 	s.SwaggerVersion = "2.0"
 	return func(ctx *gin.Context) {