2019-05-22更新
html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Bootstrap 实例 - 基本表单</title>
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script> </head>
<body ng-app="myApp" ng-controller="formUploadCtrl"> <form role="form">
<div class="form-group">
<label for="name">名称</label>
<input type="text" class="form-control" id="name"
placeholder="请输入名称">
</div>
<div class="form-group">
<label for="file">文件输入</label>
<input type="file" id="file" class="file">
</div>
<button type="submit" class="btn btn-default" ng-click="upload()">提交</button>
</form>
<!--以防angularJs还未加载就加载了upload.js。就会报错，所以放到末尾-->
<script src="upload.js"></script> </body>
</html>
upload.js
var app = angular.module('myApp', []);
app.controller('formUploadCtrl', function ($scope,$http) {
$scope.filename = "aaa";
$scope.upload = function(){
console.log("=========Iam in!");
var url = "http://localhost:8080/api/file/fileUpload";
var user = {
};
var form = new FormData();
var file = angular.element("#file")[0].files[0];//取文件。用angular.element("#file")一定要引入jQuery。
form.append("fileName",file);
form.append("user",angular.toJson(user));//toJson将json对象转成字符串,放入实体
$http.post(url,form,{
transformRequest: angular.identity,
headers:{
'Content-Type': undefined
}
}).success(function (data) {
alert("true");
});
}
});
java：
//后台原本直接接收的User实体类。但是这种保护了文件及表单的时候，前端用了FormData,里面只能放字符串，放的时候讲json转为字符串。后端接收之后，将json字符串转换位实体（用的alibaba的json）
@PostMapping("/fileUpload")
public boolean fileUpload(@RequestParam("fileName") MultipartFile file, @RequestParam("user") String strUser) {
if (file.isEmpty()) {
return false;
} //JSONObject jsonobject = JSONObject.parseObject(strUser);
if (strUser != null) {
User user = (User) JSON.parseObject(strUser, User.class); } String fileName = file.getOriginalFilename();
int size = (int) file.getSize();
System.out.println(fileName + "-->" + size); String path = "E:/test";
File dest = new File(path + "/" + fileName);
if (!dest.getParentFile().exists()) { //判断文件父目录是否存在
dest.getParentFile().mkdir();
}
try {
file.transferTo(dest); //保存文件
return true;
} catch (IllegalStateException e) {
e.printStackTrace();
return false;
} catch (IOException e) {
e.printStackTrace();
return false;
}
}
=======================================================================================
angular.js:13920 Broken interceptor detected: Config object not supplied in rejection:
<input type="file" id="file{{$index}}" class="file" ngf-select ngf-change="cacScriptUploadVm.views.changeAttach($file,$index)">
function save() {
console.log(vm.views.scriptList);
var form = new FormData();
for (var i = 0; i < vm.views.scriptList.length; i++) {
var file = angular.element(".file")[i].files[0];//获取文件
form.append("files", file);//files和后台接收字段名称一样
}
//传入出了file以外的实体
/* var scriptList = JSON.stringify(vm.views.scriptList);
form.append("script", scriptList);*/
form.append("newDir","");//传一个字符串
cacScriptService.uploadFile(form);
}
function changeAttach($file, $index) {
if ($file != null && vm.views.scriptList.length > 0 && vm.views.scriptList.length >= $index) {
vm.views.files[$index] = $file;
}
}
function uploadFile(form) {
var url = _appconfig.apiBaseUrls.git + '/api/git/cac/upload';
$http({
method: 'POST',
url: url,
data: form,
headers: {'Content-Type': undefined},
transformRequest: angular.identity,
transformResponse: function(data) { // 转换response,这样就能接收后台传回来String，默认接收是json。没写这个属性之前，上传成功后却返回到error，而且会报上面的错误，写了这个就不会
return data;
}
}).success(function (data) {
console.log('upload success');
}).error(function (data) {
console.log('upload fail');
});
}