标签：style os 文件 art io for
kindeditor上传本地图片 (2013-11-07 14:52:51)转载▼
标签： kindeditor 本地上传
整理一下后台代码
@Action(value = "uploadFile")
public String uploadFile(){
try {
//文件保存目录路径 img_upload是服务器存储上传图片的目录名
String savePath = request.getSession().getServletContext()
.getRealPath("/")
+ "imgupload/";
//文件保存目录URL
String saveUrl = request.getContextPath() + "/imgupload/";
//定义允许上传的文件扩展名
String[] fileTypes = new String[] { "gif", "jpg", "jpeg", "png","bmp" };
//允许最大上传文件大小
long maxSize = 1024000;
//Struts2 请求 包装过滤器
MultiPartRequestWrapper wrapper = (MultiPartRequestWrapper) request;
//获得上传的文件名
String fileName = wrapper.getFileNames("imgFile")[0];
//获得文件过滤器
File file = wrapper.getFiles("imgFile")[0];
//得到上传文件的扩展名
String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1)
.toLowerCase();
//检查扩展名
if (!Arrays. asList(fileTypes).contains(fileExt)) {
//out.println(getError("上传文件扩展名是不允许的扩展名。"));
//return;
}
//检查文件大小
if (file.length() > maxSize) {
//out.println(getError("上传文件大小超过限制。"));
//return;
}
//检查目录
SimpleDateFormat sdf= new SimpleDateFormat("yyyy_MM");
String dir=sdf.format(new Date());
File uploadDir = new File(savePath+dir);
uploadDir.mkdirs();
if (!uploadDir.isDirectory()) {
//out.println(getError("上传目录不存在 。"));
//return;
}
//检查目录写入权限
if (!uploadDir.canWrite()) {
// out.println(getError("上传目录没有写入权限。"));
// return;
}
//重构上传图片的名称
SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
String newImgName = df.format(new Date()) + "_"
+ new Random().nextInt(1000) + "." + fileExt;
//设置 KE 中的图片文件地址
String newFileName = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ saveUrl + dir+"/"+ newImgName;
byte[] buffer = new byte[1024];
//获取文件输出流
FileOutputStream fos = new FileOutputStream(savePath+dir+"/" + newImgName);
//获取内存中当前文件输入流
InputStream in = new FileInputStream(file);
try {
int num = 0;
while ((num = in.read(buffer)) > 0) {
fos.write(buffer, 0, num);
}
} catch (Exception e) {
e.printStackTrace(System.err);
} finally {
in.close();
fos.close();
}
//发送给 KE
JSONObject obj = new JSONObject();
obj.put("error", 0);
obj.put("url", saveUrl + dir+"/" + newImgName);
System.out.println(obj.toString());
response.getWriter().write(obj.toString());
response.getWriter().flush();
response.getWriter().close();
} catch (Exception e) {
// TODO: handle exception
}
return "";
//return "success";
}
kindeditor上传图片,布布扣,bubuko.com
kindeditor上传图片
标签：style os 文件 art io for
原文地址：http://www.cnblogs.com/happyxiaomo/p/3835414.html
