完善企业微信API

work/tools/calendar.go

@@ -0,0 +1,21 @@
+package tools
+
+import (
+	"github.com/silenceper/wechat/v2/work/context"
+)
+
+const (
+	calendarURL = "https://qyapi.weixin.qq.com/cgi-bin/oa/calendar/get?access_token=%s"
+)
+
+//Calendar 日历管理
+type Calendar struct {
+	*context.Context
+}
+
+//NewCalendar 实例化
+func NewCalendar(context *context.Context) *Calendar {
+	calendar := new(Calendar)
+	calendar.Context = context
+	return calendar
+}