html form example

main.go

@@ -7,24 +7,28 @@ import (
 )
 
 type EchoRequest struct {
-	Message string `json:"message" binding:"required"`
+	Message string `form:"message" json:"message" binding:"required"`
 }
 
 func main() {
 	r := gin.Default()
-	// GET /ping
+	r.LoadHTMLGlob("templates/*")
+
 	r.GET("/ping", func(c *gin.Context) {
 		c.JSON(http.StatusOK, gin.H{"message": "pong"})
 	})
-	// POST /echo
+
+	r.GET("/", func(c *gin.Context) {
+		c.HTML(http.StatusOK, "index.html", nil)
+	})
+
 	r.POST("/echo", func(c *gin.Context) {
 		var req EchoRequest
-		if err := c.ShouldBindJSON(&req); err != nil {
+		if err := c.ShouldBind(&req); err != nil {
 			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
-			return
+		} else {
+			c.JSON(http.StatusOK, gin.H{"echo": req.Message})
 		}
-		c.JSON(http.StatusOK, gin.H{"echo": req.Message})
 	})
-	// Server starten auf Port 8080
 	r.Run(":8080")
 }