Javascript 使用SpringMVC和AngularJS显示数据库中的图像列表
我使用api调用显示了图像。因此Javascript 使用SpringMVC和AngularJS显示数据库中的图像列表,javascript,java,angularjs,spring,image,Javascript,Java,Angularjs,Spring,Image,我使用api调用显示了图像。因此检索单个图像时没有问题。但我需要显示数据库中的整个表图像,其名称保存在表中 据我所知,因为我对AngularJs非常陌生。当作为列表对象返回时,我可以使用ng repeat来实现这一点 所以我从服务器端返回list对象,其中图像被转换为base64模式,列表被发送。 但我对AngularJs存储库也没有任何回应 Controller.java @RequestMapping(value = "/imageDisplay", method = RequestMeth
检索单个图像时没有问题
。但我需要显示数据库中的整个表图像
,其名称保存在表中
据我所知,因为我对AngularJs非常陌生。当作为列表对象返回时,我可以使用ng repeat
来实现这一点
所以我从服务器端返回list对象,其中图像被转换为base64
模式,列表被发送。
但我对AngularJs存储库也没有任何回应
Controller.java
@RequestMapping(value = "/imageDisplay", method = RequestMethod.GET)
public List<ImageUpload> showImage(HttpServletResponse response, HttpServletRequest request)
throws ServletException, IOException {
int id = 1;
List<ImageUpload> imageUploadList = loginService.getItemImageDetail(id);
ImageUpload imageUpload = imageUploadList.get(0);
System.out.println("Image::"+imageUpload.getImage()); //data:[B@f8b2f3
List<ImageUpload> imageListForUi= new ArrayList<ImageUpload>();
for (ImageUpload m : new ArrayList<ImageUpload>(imageUploadList)) {
String base64Encoded = javax.xml.bind.DatatypeConverter.printBase64Binary(m.getImage());
// base 64 sequence::: 9j/4AAQSkZJRgABAQEASABIAA
ImageUpload imagepath = new ImageUpload();
imagepath.setImagePath(base64Encoded);
imageListForUi .add(imagepath);
}
return imageListForUi; // I have list of size 1
}
@RequestMapping(value ="/showImage", method = RequestMethod.GET)
@ResponseBody
public List<ImageUpload> getStateList(HttpServletResponse response, HttpServletRequest request) {
List<ImageUpload> imageUploadList = loginService.getStateList();
System.out.println(imageUploadList);
List<ImageUpload> imageListForUi= new ArrayList<ImageUpload>();
for (ImageUpload m : new ArrayList<ImageUpload>(imageUploadList)) {
String base64Encoded = javax.xml.bind.DatatypeConverter.printBase64Binary(m.getImage());
ImageUpload imagepath = new ImageUpload();
imagepath.setImagePath(base64Encoded);
imageListForUi.add(imagepath);
}
return imageListForUi;
}
Repository.js
scope.getImage=function(id){
alert("In image Display class");
Repository.getImage(id).then(
function(response){
alert("Response:"+response)
scope.image=response.data;
alert("Image data::"+scope.image);
})
};
this.getImage = function(){
var defer = $q.defer();
var imagePromise = http.get('/AB1.2/imageDisplay');
imagePromise.then(function(response){
imageList =response;
alert(imageList);
defer.resolve(imageList);
});
return defer.promise;
};
getImageList();
function getImageList() {
AnalyserRepository.getImageList().then(
function(result) {
alert("Result::"+result)
scope.imageList = result;
console.log("Image "+ scope.imageList);
});
};
this.getImageList = function(){
var defer = $q.defer();
var imageListPromise = http.get('/projectName/showImage');
imageListPromise.then(function(result){
imageList = result.data;
defer.resolve(imageList);
});
return defer.promise;
};
Demo1.html
//Initially if i call like this image was displaying.
<img data-ng-src="/AB1.2/imageDisplay" style="width: 200px;">
<ul>
<li ng-repeat="image in imageList">
<img data-ng-src="data:image/jpeg;base64, {{image.imagePath}}" alt="image" style="width: 200px;">
</li>
</ul>
//最初,如果我像此图像所显示的那样调用。
但我需要以这种方式显示图像,因为我需要一次检索10多张图像
<img data-ng-src="data:image/jpeg;base64,{{image}}" alt="image">
但在更改服务器端代码后,即返回list或base64时,angularJs根本不会响应
任何帮助都将不胜感激。我已经解决了这个问题,如果有人需要,我会发布答案 Controller.java
@RequestMapping(value = "/imageDisplay", method = RequestMethod.GET)
public List<ImageUpload> showImage(HttpServletResponse response, HttpServletRequest request)
throws ServletException, IOException {
int id = 1;
List<ImageUpload> imageUploadList = loginService.getItemImageDetail(id);
ImageUpload imageUpload = imageUploadList.get(0);
System.out.println("Image::"+imageUpload.getImage()); //data:[B@f8b2f3
List<ImageUpload> imageListForUi= new ArrayList<ImageUpload>();
for (ImageUpload m : new ArrayList<ImageUpload>(imageUploadList)) {
String base64Encoded = javax.xml.bind.DatatypeConverter.printBase64Binary(m.getImage());
// base 64 sequence::: 9j/4AAQSkZJRgABAQEASABIAA
ImageUpload imagepath = new ImageUpload();
imagepath.setImagePath(base64Encoded);
imageListForUi .add(imagepath);
}
return imageListForUi; // I have list of size 1
}
@RequestMapping(value ="/showImage", method = RequestMethod.GET)
@ResponseBody
public List<ImageUpload> getStateList(HttpServletResponse response, HttpServletRequest request) {
List<ImageUpload> imageUploadList = loginService.getStateList();
System.out.println(imageUploadList);
List<ImageUpload> imageListForUi= new ArrayList<ImageUpload>();
for (ImageUpload m : new ArrayList<ImageUpload>(imageUploadList)) {
String base64Encoded = javax.xml.bind.DatatypeConverter.printBase64Binary(m.getImage());
ImageUpload imagepath = new ImageUpload();
imagepath.setImagePath(base64Encoded);
imageListForUi.add(imagepath);
}
return imageListForUi;
}
Repository.js
scope.getImage=function(id){
alert("In image Display class");
Repository.getImage(id).then(
function(response){
alert("Response:"+response)
scope.image=response.data;
alert("Image data::"+scope.image);
})
};
this.getImage = function(){
var defer = $q.defer();
var imagePromise = http.get('/AB1.2/imageDisplay');
imagePromise.then(function(response){
imageList =response;
alert(imageList);
defer.resolve(imageList);
});
return defer.promise;
};
getImageList();
function getImageList() {
AnalyserRepository.getImageList().then(
function(result) {
alert("Result::"+result)
scope.imageList = result;
console.log("Image "+ scope.imageList);
});
};
this.getImageList = function(){
var defer = $q.defer();
var imageListPromise = http.get('/projectName/showImage');
imageListPromise.then(function(result){
imageList = result.data;
defer.resolve(imageList);
});
return defer.promise;
};
Demo.html
//Initially if i call like this image was displaying.
<img data-ng-src="/AB1.2/imageDisplay" style="width: 200px;">
<ul>
<li ng-repeat="image in imageList">
<img data-ng-src="data:image/jpeg;base64, {{image.imagePath}}" alt="image" style="width: 200px;">
</li>
</ul>
-