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liuxiaolong

2019-05-09 0d1d88cdb668e75ea8609417ac18ae19947e9525

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package framework.fileUpload;
 
import java.io.File;
import java.util.ArrayList;
import java.util.List;
 
import javax.servlet.http.HttpServletRequest;
 
import framework.startup.FrameUtil;
 
/**
 * 上传文件之后，使用该类获取上传的文件
 * 
 * @author liuyajun, 8384503@qq.com
 * @date 2016年2月2日
 * @time 下午1:50:58
 */
public class FileUploadHelper {
    
    public final static String SPLIT = "/";
    public final static String INPUT_NAME = "uploadFileSuccessInfo";
    
    /**
     * 通过上传控件的名称过滤上传文件，<input type="file" name="inputName" ...
     * @param uploadList
     * @param inputName
     * @return
     */
    public static List<UploadFile> getUploadFileByInputName(
            List<UploadFile> uploadList, String inputName) {
        if(uploadList ==null || uploadList.size()==0){
            return null;
        }
        List<UploadFile> list = new ArrayList<UploadFile>();
        for(UploadFile file : uploadList){
            if(file.inputName.equals(inputName)){
                list.add(file);
            }
        }
        
        return list;
    }
    /**
     * 获取上传的全部文件
     * @param request
     * @return
     */
    public static List<UploadFile> getAllUploadFile(HttpServletRequest request){
        String fileInfo = request.getParameter(INPUT_NAME);
        if(fileInfo ==null || fileInfo.trim().length()==0){
            return null;
        }
        
        String uploadPath = FrameUtil.getUploadFilePath();
        
        String[] fileArray = fileInfo.split(SPLIT+SPLIT);
        List<UploadFile> list = new ArrayList<UploadFile>();
        for(String fa : fileArray){
            if(fa ==null || fa.trim().length()==0){
                continue;
            }
            
            String[] sa = fa.split(SPLIT);
            if(sa.length !=3){
                continue;
            }
            
            UploadFile file = new UploadFile();
            file.inputName = sa[0].trim();
            file.file = new File(uploadPath + sa[1].trim());
            file.originalName = sa[2].trim();
            
            list.add(file);
        }
        
        return list;
    }
    
    public static class UploadFile {
        private String inputName;
        private File file;
        private String originalName;
        
        
        public String getInputName() {
            return inputName;
        }
 
        public File getFile() {
            return file;
        }
 
        public String getOriginalName() {
            return originalName;
        }
    }
}