$("#file-0a").fileinput({
uploadUrl : "/upload_img",//上傳圖片的url
allowedFileExtensions : [ 'jpg', 'png', 'gif' ],
overwriteInitial : false,
maxFileSize : 1000,//上傳文件最大的尺寸
maxFilesNum : 1,//上傳最大的文件數(shù)量
initialCaption: "請(qǐng)上傳商家logo",//文本框初始話value
//allowedFileTypes: ['image', 'video', 'flash'],
slugCallback : function(filename) {
return filename.replace('(', '_').replace(']', '_');
}
});

$('#file-0a').on('fileuploaded', function(event, data, previewId, index) {
var form = data.form, files = data.files, extra = data.extra,
response = data.response, reader = data.reader;
console.log(response);//打印出返回的json
console.log(response.paths);//打印出路徑
});

<input id="file-0a" class="file" type="file" multiple
data-min-file-count="1" name="upload_logo">

import java.util.List;
public class Picture {
private List<String> paths;
public List<String> getPaths()
{
return paths;
}
public void setPaths(List<String> paths)
{
this.paths = paths;
} 
}

@ResponseBody
@RequestMapping(value="upload_img",method=RequestMethod.POST)
public Picture uploadImage(@RequestParam MultipartFile[] upload_logo) throws IOException{
log.info("上傳圖片");
Picture pic = new Picture();
List<String> paths = new ArrayList<String>();
String dir = UploadUtil.getFolder();
for(MultipartFile myfile : upload_logo){ 
if(myfile.isEmpty()){ 
log.info("文件未上傳"); 
}else{ 
log.info("文件長(zhǎng)度: " + myfile.getSize()); 
log.info("文件類型: " + myfile.getContentType()); 
log.info("文件名稱: " + myfile.getName()); 
log.info("文件原名: " + myfile.getOriginalFilename()); 
log.info("========================================");
//上傳文件 返回路徑
String path = UploadUtil.writeFile(myfile.getOriginalFilename(), dir, myfile.getInputStream());
log.info("文件路徑:"+path);
paths.add(path);
} 
} 
pic.setPaths(paths);
return pic;
}

private static final Logger log = LoggerFactory.getLogger(UploadUtil.class);
private UploadUtil() {
}
private static SimpleDateFormat fullSdf = new SimpleDateFormat("yyyyMMddHHmmssSSS");
private static SimpleDateFormat folder = new SimpleDateFormat(
"yyyy" + File.separator + "MM" + File.separator + "dd");
/**
* 返回yyyy File.separator MM File.separator dd格式的字符串
* 
* @return
*/
public static String getFolder() {
return folder.format(new Date());
}
/**
* 文件上傳
* 
* @param srcName
* 原文件名
* @param dirName
* 目錄名
* @param input
* 要保存的輸入流
* @return 返回要保存到數(shù)據(jù)庫(kù)中的路徑
*/
public static String writeFile(String srcName, String dirName, InputStream input) throws IOException {
log.info(srcName);
// 取出上傳的目錄，此目錄是tomcat的server.xml中配置的虛擬目錄
String uploadDir = ContextUtil.getSysProp("upload_dir");//設(shè)置你上傳路徑
// 取出虛擬目錄的訪問(wèn)路徑
String virtualDir = ContextUtil.getSysProp("virtual_dir");//設(shè)置你虛擬目錄訪問(wèn)路徑
// 重命名文件
if (null != srcName) {
srcName = srcName.substring(srcName.indexOf("."));
} else {
srcName = ".jpg";
}
String filename = "";
// 得到要上傳的文件路徑
filename = uploadDir + File.separator + dirName + File.separator + fullSdf.format(new Date()) + srcName;
// 得到將要保存到數(shù)據(jù)中的路徑
String savePath = filename.replace(uploadDir, "");
savePath = virtualDir + savePath.replace("\\", "/");
File file = new File(filename);
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
FileOutputStream fos = new FileOutputStream(file);
// 一次30kb
byte[] readBuff = new byte[1024 * 30];
int count = -1;
while ((count = input.read(readBuff, 0, readBuff.length)) != -1) {
fos.write(readBuff, 0, count);
}
fos.flush();
fos.close();
input.close();
return savePath;
}