素者素心 2019-08-21 14:25 采纳率: 50%
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我用spring的webclient做文件下载的功能,下载的是一个zip文件,然后报出了?请大家帮帮忙,谢谢!

错误信息如下:

org.springframework.web.reactive.function.UnsupportedMediaTypeException: Content type 'application/zip' not supported
at org.springframework.web.reactive.function.BodyExtractors.lambda$readWithMessageReaders$20(BodyExtractors.java:254)
at java.util.Optional.orElseGet(Optional.java:267)
at org.springframework.web.reactive.function.BodyExtractors.readWithMessageReaders(BodyExtractors.java:250)
at org.springframework.web.reactive.function.BodyExtractors.lambda$toMono$2(BodyExtractors.java:92)
at org.springframework.web.reactive.function.client.DefaultClientResponse.body(DefaultClientResponse.java:87)
at org.springframework.web.reactive.function.client.DefaultClientResponse.bodyToMono(DefaultClientResponse.java:109)
at com.jeesite.modules.transmission.entity.Client.pull(Client.java:145)
at com.jeesite.modules.transmission.service.TransmissionService.clientPull(TransmissionService.java:279)
at com.jeesite.modules.sbos.utils.socket.SendServiceTest.testPull(SendServiceTest.java:105)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:73)
at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:83)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)

我的代码是这样的:

发请求:

Mono<ClientResponse> resp = WebClient.create("http://" + this.url).get()
                .uri("/trans/pull/{busType}/{token}/{appUri}", busType, AesUtils.encode(Constant.TOKEN + "_" + System.currentTimeMillis(), Constant.TOKEN_KEY), this.appUri)
                .accept(MediaType.APPLICATION_OCTET_STREAM).exchange();
        System.out.println("向http://" + this.url + "发送请求");
        ClientResponse response = resp.block();
        Resource resource = response.bodyToMono(Resource.class).block();
        String pullFileDir = Global.getUserfilesBaseDir("pull_file_r");
        FileUtils.createDirectory(pullFileDir);
        File out = new File(pullFileDir + File.separator + this.appUri + busType + ".zip");
        try {
            FileUtils.copyInputStreamToFile(resource.getInputStream(), out);
            // 删除远端临时文件
            WebClient webClient = WebClient.create("http://" + this.url);
            System.out.println("向http://" + this.url + "发送请求");
            webClient.post().uri("/trans/clean_pull_file/{busType}/{token}/{appUri}", busType, AesUtils.encode(Constant.TOKEN + "_" + System.currentTimeMillis(), Constant.TOKEN_KEY), this.appUri)
                    .retrieve().bodyToMono(String.class);
        } catch (IOException e) {
            e.printStackTrace();
        }  

接收的controller:

/**
     * 拉取数据
     * 
     * @param busType
     *            业务类型
     * @param token
     *            令牌
     * @param appUri
     *            应用唯一标识
     * @param request
     *            请求对象
     * @param response
     *            响应对象
     */
    @GetMapping("pull/{busType}/{token}/{appUri}")
    public void pull(@PathVariable("busType") String busType, @PathVariable("token") String token, @PathVariable("appUri") String appUri, HttpServletRequest request, HttpServletResponse response) {
        String tempFileDir = Global.getUserfilesBaseDir("pull_file");
        String tempFileName = appUri + busType + ".zip";
        FileUtils.downFile(new File(tempFileDir + File.separator + tempFileName), request, response);
    }  
    ```
  • 写回答

3条回答 默认 最新

  • 素者素心 2019-08-23 16:05
    关注

    用WebClient一直没做出来,后来朋友推荐okhttp做,一下就做出了了。

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论
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