Question

好的，我想通过POST将文件发送到服务器。我正在使用像这样的angular2函数

 upload() {
    let inputEl = this.el.nativeElement.firstElementChild;
    if (inputEl.files.length == 0) return;

    let files :FileList = inputEl.files;
    const formData = new FormData();
    for(var i = 0; i < files.length; i++){
        formData.append(files[i].name, files[i]);
    }

    this.http
        .post('MyURL', formData)
        .subscribe();

}

import { BaseRequestOptions } from '@angular/http';

请求的选项 export class DefaultRequestOptions扩展BaseRequestOptions { constructor（）{ 超（）; this.headers.append（＆＃39;内容类型＆＃39;＆＃39;多部分/格式数据＆＃39）; this.headers.append（＆＃39;接受＆＃39;＆＃39;应用/ JSON＆＃39）; } }

我想做的事情是

curl -X POST --header 'Content-Type: multipart/form-data' --header 'Accept: application/json' 'MyUrl'

错误看起来像这样

Request URL:MyUrl
Request Method:POST
Status Code:500 Internal Server Error
Remote Address:35.154.2.84:80

Connection:close
Content-Encoding:gzip
Content-Length:1049
Content-Type:application/json;charset=UTF-8
Date:Thu, 17 Nov 2016 21:15:39 GMT
Server:Apache-Coyote/1.1
Vary:Accept-Encoding
Request Header view source
accept:application/json
Accept-Encoding:gzip, deflate
Accept-Language:pl-PL,pl;q=0.8,en-US;q=0.6,en;q=0.4,fi;q=0.2
Connection:keep-alive
Content-Length:80082
content-type:Multipart/form-data
Host:MyUrl
Origin:http://evil.com/



Request Payload
------WebKitFormBoundaryZXAikA6v0FHYrYii
Content-Disposition: form-data; name="sku-test2.xls"; 
filename="sku-    test2.xls"
Content-Type: application/octet-stream


------WebKitFormBoundaryZXAikA6v0FHYrYii--

我不知道如果问题出在那个formData.append或代码中有什么问题。感谢帮助。

编辑：码：＆＃34; UNKNOWN_ERROR＆＃34; 描述：＆＃34; org.springframework.web.multipart.MultipartException：无法解析多部分servlet请求;嵌套异常是java.io.IOException：org.apache.tomcat.util.http.fileupload.FileUploadException：请求被拒绝，因为没有找到多部分边界↵
在org.springframework.web.multipart.support.StandardMultipartHttpServletRequest.parseRequest（StandardMultipartHttpServletRequest.java:111）↵
在org.springframework.web.multipart.support.StandardMultipartHttpServletRequest。（StandardMultipartHttpServletRequest.java:85）↵
在org.springframework.web.multipart.support.StandardServletMultipartResolver.resolveMultipart（StandardServletMultipartResolver.java:76）↵
在org.springframework.web.servlet.DispatcherServlet.checkMultipart（DispatcherServlet.java:1089）↵在org.springframework.web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:928）↵在org.springframework.web.servlet.DispatcherServlet .doService（DispatcherServlet.java:893）↵在org.springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:969）↵在org.springframework.web.servlet.FrameworkServlet.doPost（FrameworkServlet.java:871)↵在javax.servlet.http.HttpServlet.service（HttpServlet.java:648）↵在org.springframework.web.servlet.FrameworkServlet.service（FrameworkServlet.java:845）↵在javax.servlet.http.HttpServlet.service（HttpServlet） .java：729）↵at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:292）↵at org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:207)↵atorg.apache .tomcat.websocket.server.WsFilter.doFilter（WsFilter.java:52）↵在org .apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:240）↵at org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:207）↵at org.apache.catalina.core.StandardWrapperValve.invoke （StandardWrapperValve.java:213)↵在org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:106）↵在org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:502)↵在org .apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:141）↵在org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:79）↵在org.apache.catalina.valves.RemoteIpValve.invoke （RemoteIpValve.java:676)↵在org.apache.catalina.valves.AbstractAccessLogValve.invoke（AbstractAccessLogValve.java:616）↵在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:88）↵在org .apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:528)↵atorg.a pache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1099）↵at org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:670)↵atorg.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.doRun（NioEndpoint.java:1520）↵在org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.run（NioEndpoint.java:1476）↵在java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java： 1142）↵在java.util.concurrent.ThreadPoolExecutor $ Worker.run（ThreadPoolExecutor.java:617）↵在org.apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run（TaskThread.java:61）↵在java。 lang.Thread.run（Thread.java:745)↵原因：java.io.IOException：org.apache.tomcat.util.http.fileupload.FileUploadException：请求被拒绝，因为在org上没有找到多部分边界。 apache.catalina.connector.Request.parseParts（Request.java:2856）↵在org.apache上的org.apache.catalina.connector.Request.getParts（Request.java:2692)↵。 catalina.connector.RequestFacade.getParts（RequestFacade.java:1083）↵at org.springframework.web.multipart.support.StandardMultipartHttpServletRequest.parseRequest（StandardMultipartHttpServletRequest.java:92）↵...32more↵原因：org.apache。 tomcat.util.http.fileupload.FileUploadException：请求被拒绝，因为没有找到多部分边界↵在org.apache.tomcat.util.http.fileupload.FileUploadBase $ FileItemIteratorImpl。（FileUploadBase.java:840）↵在org.apache .tomcat.util.http.fileupload.FileUploadBase.getItemIterator（FileUploadBase.java:256）↵at org.apache.tomcat.util.http.fileupload.FileUploadBase.parseRequest（FileUploadBase.java:280)↵at org.apache.catalina .connector.Request.parseParts（Request.java:2784）↵... 35多↵＆＃34; 错误： [] 信息：＆＃34;内部错误＆＃34; 在此处输入代码在这里输入代码

Angular2 + Java POST文件错误

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