实现access_token获取

util/http.go

@@ -0,0 +1,19 @@
+package util
+
+import (
+	"io/ioutil"
+	"net/http"
+)
+
+//HTTPGet get 请求
+func HTTPGet(url string) ([]byte, error) {
+	response, err := http.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	return ioutil.ReadAll(response.Body)
+}
+
+//HTTPPost post 请求
+func HTTPPost() {
+}