Shi*_*abu 18 java spring file-upload spring-mvc angularjs
我有一个Java Spring MVC Web应用程序作为服务器.而基于AngularJS的应用程序作为客户端.
在AngularJS中,我必须上传文件并发送到服务器.
这是我的HTML
<form ng-submit="uploadFile()" class="form-horizontal" enctype="multipart/form-data">
<input type="file" name="file" ng-model="document.fileInput" id="file" onchange="angular.element(this).scope().setTitle(this)" />
<input type="text" class="col-sm-4" ng-model="document.title" id="title" />
<button class="btn btn-primary" type="submit">
Submit
</button>
</form>
这是我的UploadController.js
'use strict';
var mainApp=angular.module('mainApp', ['ngCookies']);
mainApp.controller('FileUploadController', function($scope, $http) {
$scope.document = {};
$scope.setTitle = function(fileInput) {
var file=fileInput.value;
var filename = file.replace(/^.*[\\\/]/, '');
var title = filename.substr(0, filename.lastIndexOf('.'));
$("#title").val(title);
$("#title").focus();
$scope.document.title=title;
};
$scope.uploadFile=function(){
var formData=new FormData();
formData.append("file",file.files[0]);
$http({
method: 'POST',
url: '/serverApp/rest/newDocument',
headers: { 'Content-Type': 'multipart/form-data'},
data: formData
})
.success(function(data, status) {
alert("Success ... " + status);
})
.error(function(data, status) {
alert("Error ... " + status);
});
};
});
它要去服务器.这是我的DocumentUploadController.java
@Controller
public class DocumentUploadController {
@RequestMapping(value="/newDocument", headers = "'Content-Type': 'multipart/form-data'", method = RequestMethod.POST)
public void UploadFile(MultipartHttpServletRequest request, HttpServletResponse response) {
Iterator<String> itr=request.getFileNames();
MultipartFile file=request.getFile(itr.next());
String fileName=file.getOriginalFilename();
System.out.println(fileName);
}
}
当我运行它时,我得到以下异常
org.springframework.web.multipart.MultipartException: Could not parse multipart servlet request; nested exception is org.apache.commons.fileupload.FileUploadException: the request was rejected because no multipart boundary was found] with root cause
org.apache.commons.fileupload.FileUploadException: the request was rejected because no multipart boundary was found
at org.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.<init>(FileUploadBase.java:954)
at org.apache.commons.fileupload.FileUploadBase.getItemIterator(FileUploadBase.java:331)
at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:351)
at org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:126)
at org.springframework.web.multipart.commons.CommonsMultipartResolver.parseRequest(CommonsMultipartResolver.java:156)
at org.springframework.web.multipart.commons.CommonsMultipartResolver.resolveMultipart(CommonsMultipartResolver.java:139)
at org.springframework.web.servlet.DispatcherServlet.checkMultipart(DispatcherServlet.java:1047)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:892)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:920)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:827)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:801)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
在我的applicationContext.xml中,我已经提到了
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="100000" />
</bean>
我在用
spring - 3.2.1.RELAESE
commons-fileupload - 1.2.2
commons-io - 2.4
怎么解决这个？
如果有人告诉我如何从angularJS发送文件和其他formdata并在服务器中获取它会很棒.
更新1
@Michael:当我点击提交时,我只能在控制台中看到这个.
POST http://localhost:9000/serverApp/rest/newDocument 500 (Internal Server Error) angular.js:9499
(anonymous function) angular.js:9499
sendReq angular.js:9333
$http angular.js:9124
$scope.uploadFile invoice.js:113
(anonymous function) angular.js:6541
(anonymous function) angular.js:13256
Scope.$eval angular.js:8218
Scope.$apply angular.js:8298
(anonymous function) angular.js:13255
jQuery.event.dispatch jquery.js:3074
elemData.handle
我的服务器在8080的其他端口运行.我是自耕农,咕噜咕噜和凉亭.所以瘦gruntfile.js我提到了服务器端口.所以它转到服务器并运行它并抛出异常
更新2
边界没有设置
Request URL:http://localhost:9000/serverApp/rest/newDocument
Request Method:POST
Status Code:500 Internal Server Error
Request Headers view source
Accept:application/json, text/plain, */*
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en-US,en;q=0.8
Connection:keep-alive
Content-Length:792
Content-Type:multipart/form-data
Cookie:ace.settings=%7B%22sidebar-collapsed%22%3A-1%7D; isLoggedIn=true; loggedUser=%7B%22name%22%3A%22admin%22%2C%22password%22%3A%22admin23%22%7D
Host:localhost:9000
Origin:http://localhost:9000
Referer:http://localhost:9000/
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36
X-Requested-With:XMLHttpRequest
Request Payload
------WebKitFormBoundaryCWaRAlfQoZEBGofY
Content-Disposition: form-data; name="file"; filename="csv.csv"
Content-Type: text/csv
------WebKitFormBoundaryCWaRAlfQoZEBGofY--
Response Headers view source
connection:close
content-length:5007
content-type:text/html;charset=utf-8
date:Thu, 09 Jan 2014 11:46:53 GMT
server:Apache-Coyote/1.1
小智 22
我遇到了同样的问题,即使在更新transformRequest之后也遇到了同样的问题.'有些如何,标题边界似乎没有正确设置.
在http://uncorkedstudios.com/blog/multipartformdata-file-upload-with-angularjs之后,问题得以解决.从位置提取....
通过设置'Content-Type':undefined,浏览器为我们设置Content-Type为multipart/form-data并填入正确的边界.手动设置'Content-Type':multipart/form-data将无法填写请求的边界参数.
不确定这是否有助于任何人,但也许让人们很容易看到这篇文章...至少,它使它变得不那么困难.
Car*_*des 18
我遇到了同样的问题,并找到了一个完整的解决方案,可以将基于角度的页面的json和文件发送到Spring MVC方法.
主要问题是$ http没有发送正确的Content-type标头(我将解释原因).
要发送json和文件,我们需要发送multipart/form-data,这意味着"我们在主体中发送由特殊分隔符分隔的不同项".这个特殊的分隔符叫做"boundary",它是一个字符串,不会出现在任何要发送的元素中.
服务器需要知道正在使用哪个边界,因此必须在Content-type头中指示(Content-Type multipart/form-data; boundary = $ the_boundary_used).
所以...需要两件事:
好请求的示例:
Content-Type multipart/form-data; boundary=---------------------------129291770317552
这告诉服务器"我发送带有下一个分隔符(边界)的多部分消息:--------------------------- 129291770317552
-----------------------------129291770317552 Content-Disposition: form-data; name="clientInfo"
{ "name": "Johny", "surname":"Cash"}
-----------------------------129291770317552
Content-Disposition: form-data; name="file"; filename="yourFile.pdf"
Content-Type: application/pdf
%PDF-1.4
%õäöü
-----------------------------129291770317552 --
我们发送2个参数的地方,"clientInfo"和"file"由边界分隔.
如果请求是以$ http发送的,则边界不会在标头中发送(第1点),因此Spring无法处理数据(它不知道如何拆分请求的"部分").
另一个问题是边界只有FormData知道...但是FormData没有加速器,所以不可能知道正在使用哪个边界!
不要在js中使用$ http,而应该使用标准的XMLHttpRequest,例如:
//create form data to send via POST
var formData=new FormData();
console.log('loading json info');
formData.append('infoClient',angular.toJson(client,true));
// !!! when calling formData.append the boundary is auto generated!!!
// but... there is no way to know which boundary is being used !!!
console.log('loading file);
var file= ...; // you should load the fileDomElement[0].files[0]
formData.append('file',file);
//create the ajax request (traditional way)
var request = new XMLHttpRequest();
request.open('POST', uploadUrl);
request.send(formData);
然后,在你的Spring方法中你可以有类似的东西:
@RequestMapping(value = "/", method = RequestMethod.POST)
public @ResponseBody Object newClient(
@RequestParam(value = "infoClient") String infoClientString,
@RequestParam(value = "file") MultipartFile file) {
// parse the json string into a valid DTO
ClientDTO infoClient = gson.fromJson(infoClientString, ClientDTO.class);
//call the proper service method
this.clientService.newClient(infoClient,file);
return null;
}
Carlos Verdes的答案无法使用我的$ http拦截器,后者添加了授权标头等等.所以我决定添加他的解决方案并使用$ http创建我的.
我的表单(使用controllerAs语法)假定一个文件和一个包含我们需要发送到服务器的信息的简单对象.在这种情况下,我使用一个简单的名称和类型String属性.
<form>
<input type="text" ng-model="myController.myObject.name" />
<select class="form-control input-sm" ng-model="myController.myObject.type"
ng-options="type as type for type in myController.types"></select>
<input class="input-file" file-model="myController.file" type="file">
</form>
第一步是创建一个指令,将我的文件绑定到指定控制器的范围(在本例中为myController),以便我可以访问它.将其直接绑定到控制器中的模型将不起作用,因为input type = file不是内置功能.
.directive('fileModel', ['$parse', function ($parse) {
return {
restrict: 'A',
link: function(scope, element, attrs) {
var model = $parse(attrs.fileModel);
var modelSetter = model.assign;
element.bind('change', function(){
scope.$apply(function(){
modelSetter(scope, element[0].files[0]);
});
});
}
};
}]);
其次,我创建了一个名为myObject的工厂,它带有一个实例方法create,允许我在服务器上调用create时转换数据.此方法将所有内容添加到FormData对象,并使用transformRequest方法(angular.identity)将其转换.将标头设置为undefined至关重要.(较旧的Angular版本可能需要设置未定义的内容).这将允许自动设置多数据/边界标记(请参阅Carlos的帖子).
myObject.prototype.create = function(myObject, file) {
var formData = new FormData();
formData.append('refTemplateDTO', angular.toJson(myObject));
formData.append('file', file);
return $http.post(url, formData, {
transformRequest: angular.identity,
headers: {'Content-Type': undefined }
});
}
留给客户端的所有东西都是在myController中实例化一个新的myObject,并在提交我的表单时在控制器的create函数中调用create方法.
this.myObject = new myObject();
this.create = function() {
//Some pre handling/verification
this.myObject.create(this.myObject, this.file).then(
//Do some post success/error handling
);
}.bind(this);
在RestController上,我现在可以简单地执行以下操作:(假设我们有一个POJO MyObject)
@RequestMapping(method = RequestMethod.POST)
@Secured({ "ROLE_ADMIN" }) //This is why I needed my $httpInterceptor
public void create(MyObject myObject, MultipartFile file) {
//delegation to the correct service
}
请注意,我没有使用请求参数,只是让spring执行JSON到POJO/DTO转换.确保您也正确设置了MultiPartResolver bean并将其添加到您的pom.xml中.(如果需要,还有Jackson-Mapper)
弹簧的context.xml
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="268435456" /> <!-- 256 megs -->
</bean>
的pom.xml
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>${commons-fileupload.version}</version>
</dependency>
小智 5
你可以试试这个
.js
$scope.uploadFile=function(){
var formData=new FormData();
formData.append("file",file.files[0]);
$http.post('/serverApp/rest/newDocument', formData, {
transformRequest: function(data, headersGetterFunction) {
return data;
},
headers: { 'Content-Type': undefined }
}).success(function(data, status) {
alert("Success ... " + status);
}).error(function(data, status) {
alert("Error ... " + status);
});
.java
@Controller
public class DocumentUploadController {
@RequestMapping(value="/newDocument", method = RequestMethod.POST)
public @ResponseBody void UploadFile(@RequestParam(value="file", required=true) MultipartFile file) {
String fileName=file.getOriginalFilename();
System.out.println(fileName);
}
}
这是基于https://github.com/murygin/rest-document-archive
有一个很好的文件上传示例 https://murygin.wordpress.com/2014/10/13/rest-web-service-file-uploads-spring-boot/
| 归档时间： |
|
| 查看次数： |
54052 次 |
| 最近记录： |