如果是你,你会怎样做
我们何尝不是茫茫人海中的一员,迷茫着,追求着
天天敲着java代码能怎样,明天如何
不要问明天会怎样,明天怎样都是你今天和明天的选择
好啦,不扯了,大家如果想听我扯,可以访问我的网站www.read8686.com
html代码:
<input type="file" id="upload1" name="myFileName" multiple />
js代码:
$(function() {
var cliengguid=null;
$("#upload1").fileinput({
language : 'zh', // 设置语言
uploadUrl : getProjectURL() + 'image/uploadimg', // 上传的地址
allowedFileExtensions : [ 'jpg', 'png' ],// 接收的文件后缀
showUpload : true, // 是否显示上传按钮
showCaption : false,
maxFileCount : 4,
uploadExtraData : function() {// 向后台传递参数
var data = {
cliengguid : cliengguid
};
return data;
}
// 是否显示标题
}).on('fileuploaded', function(event, data) {
console.log(data);
}).on('fileerror',function(event,data){
console.log("上传失败")
}).on('filebatchselected',function(){
cliengguid=uuid();
})
});
后台java代码:
@RequestMapping("/uploadimg")
public void uploadImg(@RequestParam(value = "myFileName", required = false) MultipartFile cardFile,
HttpServletRequest request, HttpServletResponse response) {
String cliengguid = request.getParameter("cliengguid");
JSONObject jsonRtn = new JSONObject();
JSONArray arr = new JSONArray();
PrintWriter out = null;
try {
out = response.getWriter();
} catch (IOException e1) {
e1.printStackTrace();
}
try {
if (cardFile != null) {
String oldname = cardFile.getOriginalFilename();
String filetype = oldname.substring(oldname.lastIndexOf("."));
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
String newFileName = sdf.format(new Date()) + "pic" + filetype;
String realPath = PropertiesUtil.getValue("FILEPATH", "fileconfig.properties");
File targetFile = new File(realPath, newFileName);
if (!targetFile.getParentFile().exists()) {
targetFile.getParentFile().mkdirs();
}
BufferedOutputStream out1 = new BufferedOutputStream(new FileOutputStream(targetFile));
out1.write(cardFile.getBytes());
out1.flush();
out1.close();
String ipconfigstr = PropertiesUtil.getValue("IPCONFIG", "fileconfig.properties");
String imgUrl = "http://" + ipconfigstr + "/upload/" + newFileName;
FileInfo fileinfo = new FileInfo();
fileinfo.setRowguid(UUID.randomUUID().toString());
fileinfo.setFilesize(request.getContentLength());
fileinfo.setAddtime(new Date());
fileinfo.setCliengguid(cliengguid);
fileinfo.setFilepath(targetFile.getAbsolutePath().replace("\\", "&&"));
fileinfo.setFileurl(imgUrl);
fileService.addFileInfo(fileinfo);
arr.add(imgUrl);
jsonRtn.put("errno", 0);
jsonRtn.put("data", arr);
response.setContentType("text/text;charset=utf-8");
out.print(jsonRtn.toString());
}
} catch (Exception e) {
e.printStackTrace();
jsonRtn.put("errno", 1);
jsonRtn.put("data", e.getMessage());
response.setContentType("text/text;charset=utf-8");
out.print(jsonRtn.toString());
} finally {
out.flush();
out.close();
}
}
注意点:这个地方我们使用接受文件的方法是MartiFile,为什么不用request,如果不用MultipartFile 将文件和参数分离出来,这边是无法获取到对应的 request.getParameter("cliengguid");
迷茫很久
希望对你有所帮助