我有一个具有此类配置的网络应用程序。请查看 multipartResolver bean。
@Configuration
@EnableWebMvc
@ComponentScan(basePackages = "com.websystique.springmvc")
public class HelloWorldConfiguration extends WebMvcConfigurerAdapter{
@Override
public void configureViewResolvers(ViewResolverRegistry registry) {
InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
viewResolver.setViewClass(JstlView.class);
viewResolver.setPrefix("/WEB-INF/views/");
viewResolver.setSuffix(".jsp");
registry.viewResolver(viewResolver);
}
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/static/**").addResourceLocations("/static/");
}
@Bean(name = "multipartResolver")
public CommonsMultipartResolver multipartResolver() {
final CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver();
multipartResolver.setMaxUploadSize(100000);
return multipartResolver;
}
}
我还有 Controller ,它应该接受来自客户端的文件
@RequestMapping(value = "/file/", method = RequestMethod.POST)
public ResponseEntity<Void> createUser(HttpServletRequest request) throws IOException {
System.out.println("!!!");
MultipartHttpServletRequest mRequest =
(MultipartHttpServletRequest) request; // Exception is here
//some code
}
我在此 jsp 代码片段中发送文件
<input type="file" id="file" name="file" accept=".xls,.xlsx" enctype="multipart/form-data" />
<button ng-click="ctrl.add()">Add</button>
通过这个 Angular 代码
function functionAdd() {
var f = document.getElementById('file').files[0];
var fd = new FormData();
fd.append("file", f);
return $http.post(REST_SERVICE_URI1, fd);
}
我有这个堆栈跟踪。
java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokens
at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:410)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:383)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:754)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1376)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
也许有人能发现错误。
最佳答案
如何使用 $http 服务发布 FormData
使用 FormData API 时要 POST 文件和数据,设置 Content-Type header 很重要到未定义
。
var fd = new FormData()
for (var i in $scope.files) {
fd.append("fileToUpload", $scope.files[i]);
}
var config = {headers: {'Content-Type': undefined}};
var httpPromise = $http.post(url, fd, config);
默认情况下,AngularJS 框架使用内容类型 application/json
。通过设置 Content-Type: undefined
,AngularJS 框架会忽略内容类型 header ,从而允许 XHR API设置内容类型。发送 FormData object 时,XHR API 将内容类型设置为 multipart/form-data
并具有适当的边界和 base64编码。
有关详细信息,请参阅 MDN Web API Reference - XHR Send method
<小时/>Can you explain why it isn't proper to use
multipart/form-data
? instead ofundefined
.
multipart/form-data
没有正确的边界会导致问题。 XHR send() API自动设置边界并将其包含在每个部分中。
通过设置 Content-Type: undefined
,AngularJS 框架会忽略内容类型 header ,从而允许 XHR API设置内容类型。发送 FormData object 时,XHR API 将内容类型设置为 multipart/form-data
并具有适当的边界和 base64编码。
有关详细信息,请参阅 What is the boundary in multipart/form-data?
关于java - org.apache.catalina.connector.RequestFacade 无法转换为 org.springframework.web.multipart.MultipartHttpServletRequest,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/47979651/