我已经创建了一个代码引擎应用程序,它公开了几个API。它的容器是使用构建的,因此我可以对安全问题进行修复。
我可以从浏览器和curl成功地调用app,但是当我尝试从React.js应用程序调用app时,我会得到以下错误-
Access to fetch at '...' from origin 'http://localhost:3000'
has been blocked by CORS policy:
Response to preflight request doesn't pass access control check:
No '
,这是我的App.js文件,这里我想显示来自MongoDB数据库的图像。
Image are saved as a Binary data into MongoDB
如何在React中显示我的图像??
import React,{useState} from "react";
import "./App.css";
function App() {
const [image, setImage] = useState([]);
const btn = async() =>{
let result = await fetch("