图片上传

package utils; import java.io.*; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.util.Date; import org.apache.struts.upload.FormFile; public class UploadFile { public static String upload(String dir, FormFile formFile) throws Exception{ Date date=new Date(); String fname=formFile.getFileName(); int i= fname.indexOf("."); String left=fname.substring(0, fname.indexOf(".")-1); //如果图片名为中文的话，去掉left,//直接String name = String.valueOf(date.getTime()); String name=left+String.valueOf(date.getTime()); String type=fname.substring(i+1); fname=name+"."+type; InputStream streamIn=formFile.getInputStream(); File uploadFile=new File(dir); if(!uploadFile.exists()||uploadFile==null){ uploadFile.mkdirs(); } String path=uploadFile.getPath()+"/"+fname; // 图片保存到D盘中 // String path = "D:\\UpLoadImage\\"+"/"+fname; OutputStream streamOut=new FileOutputStream(path); int bytesRead=0; byte[] buffer=new byte[8192]; while((bytesRead=streamIn.read(buffer, 0, 8192))!=-1){ streamOut.write(buffer, 0, bytesRead); } streamOut.close(); streamIn.close(); formFile.destroy(); return fname; } }