下载服务器的SDK压缩包资源

downlodcontroller

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;// 在服务器路径下载文件，这样写是因为我只有一份文件，资源实际上可以根据访问路径进行匹配    private static final String SDK_HELP_ADDRESS = "/home/XC/download/xcapi-client-sdk.zip";    @GetMapping("sdkHelp")    public ResponseEntity<Resource> downloadSdkHelp(HttpServletRequest request) throws IOException {        // 请求不能是null        if (request == null) {            throw new BusinessException(ErrorCode.FORBIDDEN_ERROR);        }        // 当前登录用户必须存在        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，加载输入流        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()));        ///下载返回文件响应        return ResponseEntity.ok().headers(headers).contentLength(file.length()).body(resource);    }}

前端react页面

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";/** * 帮助页面调用SDK * @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)    setEncryptAk(decrypt(data?.encryptAk));    setEncryptSk(decrypt(data?.encryptSk));  })  return (    <PageContainer title=“本地调用帮助文档”>      <>        {}        <Descriptions title={"不能透露"}">          <Descriptions.Item label="AccessKey">{encryptAk}</Descriptions.Item>          <Descriptions.Item label="secretKey">{encryptSk}</Descriptions.Item>        </Descriptions>        <Form name='findHelp' layout='vertical' >          // 通过buttonhref下载服务器的压缩包          <Button href={"http://xcapi-backend.wangcheng.love/api/download/sdkHelp"} type='primary' htmlType='submit'>            下载SDK          </Button>        </Form>      </>    </PageContainer>  );};export default Index;