Reapply "feat(controller): 完善基础控制器及默认页面渲染"

This reverts commit 1a3bd1a6b3.

controller/admin/baseController.go

@@ -0,0 +1,13 @@
+package admin
+
+import "github.com/gin-gonic/gin"
+
+type BaseController struct {
+}
+
+func (con BaseController) Success(c *gin.Context) {
+	c.String(200, "成功")
+}
+func (con BaseController) Error(c *gin.Context) {
+	c.String(200, "失败")
+}

controller/admin/userController.go

@@ -3,10 +3,11 @@ package admin
 import "github.com/gin-gonic/gin"
 
 type UserController struct {
+	BaseController
 }
 
 func (con UserController) Index(c *gin.Context) {
-	c.String(200, "管理员用户列表")
+	con.Success(c)
 }
 
 func (con UserController) Show(c *gin.Context) {

controller/nannanwu/defaultController.go

@@ -8,7 +8,7 @@ type DefaultController struct {
 }
 
 func (con DefaultController) Index(c *gin.Context) {
-	c.String(200, "首页")
+	c.HTML(200, "pages/index", gin.H{})
 }
 func (con DefaultController) Article(c *gin.Context) {
 	c.String(200, "文章详情")