下载服务器的SDK压缩包资源

package com.xc.project.controller;

import com.xc.project.common.ErrorCode;
import com.xc.project.exception.BusinessException;
import com.xc.project.service.UserService;
import com.xc.xcapicommon.model.entity.User;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.InputStreamResource;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.io.*;
import java.nio.file.Files;

/**
 * @author xc
 * @date 2023/4/19 15:35
 */
@RestController
@Slf4j
@RequestMapping("download")
public class DownloadController {

    @Autowired
    private UserService userService;
	// 文件下载在服务器路径，因为我这只有一个文件，所以这么写，实际可以根据访问路径来匹配资源
    private static final String SDK_HELP_ADDRESS = "/home/XC/download/xcapi-client-sdk.zip";

    @GetMapping("sdkHelp")
    public ResponseEntity downloadSdkHelp(HttpServletRequest request) throws IOException {
        // 请求不能为null
        if (request == null) {
            throw new BusinessException(ErrorCode.FORBIDDEN_ERROR);
        }
        // 当前登录用户要存在
        User loginUser = userService.getLoginUser(request);
        if (loginUser == null || loginUser.getId() == null) {
            throw new BusinessException(ErrorCode.NOT_LOGIN_ERROR);
        }

        //获取要下载的文件
        File file = new File(SDK_HELP_ADDRESS);
        InputStream is = Files.newInputStream(file.toPath());
        //获取文件输入流
        //创建资源对象,将输入流加载其中
        InputStreamResource resource = new InputStreamResource(is);

        //设置响应头,指定文件名称
        HttpHeaders headers = new HttpHeaders();
        // 只有设置正确的响应头，客户端才知道此时是文件下载
        headers.add("Content-Disposition", String.format("attachment; filename=%s", file.getName()));

        //返回文件下载响应
        return ResponseEntity.ok().headers(headers).contentLength(file.length()).body(resource);
    }
}

import {PageContainer,} from '@ant-design/pro-components';
import {
  Button,
  Descriptions, Form,
} from 'antd';
import {
  getEncryptUsingGET,
} from "@/services/xcapi-backend/userController";
import {useState} from "react";
import {decrypt} from "@/utils/ComplexEncryption";

/**
 * SDK调用帮助页面
 * @constructor
 */
const Index: React.FC = () => {
  const loadData = async () => {
    const {data} = await getEncryptUsingGET();
    return data;
  }
  let [encryptAk, setEncryptAk] = useState('');
  let [encryptSk, setEncryptSk] = useState('');
  loadData().then(data => {
    console.log(data?.encryptAk)
    setEncryptAk(decrypt(data?.encryptAk));
    setEncryptSk(decrypt(data?.encryptSk));
  })

  return (
    
      
        {}
        
          {encryptAk}
          {encryptSk}
        
        
          // 通过button的href来下载服务器的压缩包
          
            下载SDK
          
        
      >
    
  );
};
export default Index;