update

handler/index.go

@@ -38,9 +38,23 @@ func Index(c *gin.Context) {
 			list = append(list, article)
 		}
 	}
+
+	nextPage := 0
+	if start+limit < total {
+		nextPage = p + 1
+	}
+
+	prevPage := 1
+	if p > 2 {
+		prevPage = p + 1
+	}
+
 	c.HTML(200, "index.html", gin.H{
-		"list":  list,
-		"total": total,
-		"title": "Home",
+		"list":     list,
+		"total":    total,
+		"title":    "Home",
+		"page":     p,
+		"nextPage": nextPage,
+		"prevPage": prevPage,
 	})
 }