tie3action.java

交易撮合系统是一套买卖信息沟通的平台

package struts.fatieaction;

import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.upload.FormFile;
import org.apache.struts.validator.DynaValidatorForm;

import domain.Offers;

public class Tie3Action extends Action {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		
		DynaValidatorForm dvf = (DynaValidatorForm)form;
		String productname = dvf.getString("textfield");
		String productprice = dvf.getString("textfield3");
		String productnum = dvf.getString("textfield4");
        
		int pn = Integer.parseInt(productnum);
		double pp = Double.parseDouble(productprice);
		String result = productname;
		Offers of = new Offers();
		
		
		if (pn <= 0) {
			pn = 1;
		}
//		for (int i = 0; i < productname.length(); i++) {
//			if (productname.charAt(i) == '/') {
//				result = productname.substring(i + 1);				
//				break;
//			}
//		}
		
		//开始上传文件
		FormFile fileone = (FormFile)dvf.get("imageupload") ; //取得上传的文件名
		System.out.println(fileone.getContentType());
		if(fileone.getFileSize() > 0){
			String s1 = fileone.getContentType();
			String kuozhan = s1.substring(6);
			String[] sty = {"jpg","gif","bmp","jpeg","JPG","GIF","BMP","JPEG","pjpeg"};
			int count = 0;
			for(int i = 0; i < sty.length ; i ++){
				if(sty[i].equals(kuozhan)){
					count = count + 1;
				}
			}
			if(count == 0 || count > 1){
				ActionMessages errros = new ActionMessages();
				errros.add("errors.image", new ActionMessage("errors.image"));
				this.saveErrors(request, errros);
				return mapping.findForward("no");
			}
			if(fileone.getFileSize() > 3500000){
				ActionMessages errros = new ActionMessages();
				errros.add("errors.imageSize", new ActionMessage("errors.imageSize"));
				this.saveErrors(request, errros);
				return mapping.findForward("no");
			}
			String filePath = this.getServlet().getServletContext().getRealPath("/") ; //取得当前路径
	        InputStream stream = fileone.getInputStream() ; //把文件读入
	        String path=filePath+"images\\offerphotos\\";
	        /*
	         * 建立一个上传文件的输出流如果是linux系统请把"\\" 换成 "/"
	         * 
	         * 现在文件上传的路径为-------->>>>>>  path
	         */
	        String iamgepath="images\\offerphotos\\"+fileone.getFileName();
	        of.setPhoto(iamgepath);
	        OutputStream bos = new FileOutputStream(path  +fileone.getFileName());
	        
	        request.setAttribute("fileName",filePath + "/" + fileone.getFileName());
	        int bytesRead = 0 ;
	        byte[] buffer = new byte[3500000] ;
	        while( (bytesRead = stream.read(buffer,0,3500000) ) != -1  )
	        {
	            bos.write(buffer,0,bytesRead) ;
	        }
	        bos.close();
	        stream.close() ;    
	        //上传文件完成
		}else{
			of.setPhoto("没有图片");
		}
        
		
		System.out.println(result + ",你的出价：" + pp + ",要" + pn + "台");
		request.getSession().setAttribute("name", result);
		request.getSession().setAttribute("price", pp);
		request.getSession().setAttribute("num", pn);
		request.getSession().setAttribute("photop",of.getPhoto() );

		return mapping.findForward("tie3");
	}
}