add more

matcher.go

@@ -56,6 +56,30 @@ func (m *Matcher) SetBlock(block bool) *Matcher {
 	return m
 }
 
+// setPriority 设置当前 Matcher 优先级
+func (m *Matcher) setPriority(priority int) *Matcher {
+	matcherLock.Lock()
+	defer matcherLock.Unlock()
+	m.priority = priority
+	sortMatcher(m.Type)
+	return m
+}
+
+// firstPriority 设置当前 Matcher 优先级 - 0
+func (m *Matcher) firstPriority() *Matcher {
+	return m.setPriority(0)
+}
+
+// secondPriority 设置当前 Matcher 优先级 - 1
+func (m *Matcher) secondPriority() *Matcher {
+	return m.setPriority(1)
+}
+
+// thirdPriority 设置当前 Matcher 优先级 - 2
+func (m *Matcher) thirdPriority() *Matcher {
+	return m.setPriority(2)
+}
+
 // Limit 限速器
 //    postfn 当请求被拒绝时的操作
 func (m *Matcher) Limit(limiterfn func(*Ctx) *rate.Limiter, postfn ...func(*Ctx)) *Matcher {