fix: type matching supports string to int (#2038)

* fix: type matching supports string to int

* feat: type matching supports string to int

Co-authored-by: 程家福 <chengjiafu@uniontech.com>

rest/internal/encoding/parser_test.go

@@ -38,3 +38,14 @@ func TestParseHeadersMulti(t *testing.T) {
 	assert.Equal(t, 1, val.Baz)
 	assert.True(t, val.Qux)
 }
+
+func TestParseHeadersArrayInt(t *testing.T) {
+	var val struct {
+		Foo []int `header:"foo"`
+	}
+	r := httptest.NewRequest(http.MethodGet, "/any", nil)
+	r.Header.Set("foo", "1")
+	r.Header.Add("foo", "2")
+	assert.Nil(t, ParseHeaders(r.Header, &val))
+	assert.Equal(t, []int{1, 2}, val.Foo)
+}