购物网站22：FORM-BASE

public class BaseForm extends ActionForm {
private static Properties properties = new Properties();
static{
try {
properties.load(BaseForm.class.getClassLoader().getResourceAsStream("arrowuploadfiletype.properties"));
} catch (IOException e) {
e.printStackTrace();
}
}
/** 获取当前页 **/
private int page;
/** 设置是否进行查找 **/
private String query;

public String getQuery() {
return query;
}

public void setQuery(String query) {
this.query = query;
}
public int getPage() {
return page<1? 1 : page;
}

public void setPage(int page) {
this.page = page;
}
/**
* 验证上传文件类型是否属于图片格式
* @return
*/
public static boolean validateImageFileType(FormFile formfile){
if(formfile!=null && formfile.getFileSize()>0){
List<String> arrowType = Arrays.asList("image/bmp","image/png","image/gif","image/jpg","image/jpeg","image/pjpeg");
List<String> arrowExtension = Arrays.asList("gif","jpg","bmp","png");
String ext = getExt(formfile);
return arrowType.contains(formfile.getContentType().toLowerCase()) && arrowExtension.contains(ext);
}
return true;
}

public static String getExt(FormFile formfile){
return formfile.getFileName().substring(formfile.getFileName().lastIndexOf('.')+1).toLowerCase();
}
/**
* 验证上传文件是否属于图片/flash动画/word文件/exe文件/pdf文件/TxT文件/xls文件/ppt文件
* @param formfile
* @return
*/
public static boolean validateFileType(FormFile formfile){
if(formfile!=null && formfile.getFileSize()>0){
String ext = formfile.getFileName().substring(formfile.getFileName().lastIndexOf('.')+1).toLowerCase();
List<String> arrowType = new ArrayList<String>();
for(Object key : properties.keySet()){
String value = (String)properties.get(key);
String[] values = value.split(",");
for(String v : values){
arrowType.add(v.trim());
}
}
return arrowType.contains(formfile.getContentType().toLowerCase()) && properties.keySet().contains(ext);
}
return true;
}

/**
* 保存文件
* @param savedir 存放目录
* @param fileName 文件名称
* @param data 保存的内容
* @return 保存的文件
* @throws Exception
*/
public static File saveFile(File savedir, String fileName, byte[] data) throws Exception{
if(!savedir.exists()) savedir.mkdirs();//如果目录不存在就创建
File file = new File(savedir, fileName);
FileOutputStream fileoutstream = new FileOutputStream(file);
fileoutstream.write(data);
fileoutstream.close();
return file;
}
/*
public boolean validateFileType(String propertyName) throws Exception{
PropertyDescriptor[] propertydesc = Introspector.getBeanInfo(this.getClass()).getPropertyDescriptors();
boolean exsit = false;
for(PropertyDescriptor property : propertydesc){
if(property.getName().equals(propertyName)){
exsit = true;
Method method = property.getReadMethod();
if(method!=null){
FormFile formfile = (FormFile) method.invoke(this);
if(formfile!=null && formfile.getFileSize()>0){
List<String> arrowType = Arrays.asList("image/bmp","image/png","image/gif","image/jpeg","image/pjpeg");
return arrowType.contains(formfile.getContentType().toLowerCase());
}
}else{
new RuntimeException(propertyName+"属性的getter方法不存在");
}
}
}
if(!exsit) new RuntimeException(propertyName+"属性不存在");
return true;
}*/
}