JSP中上传图片 完整代码

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1、upfile.jsp

2、uttype="file"name="file">uploadimage.jspuploadimage.jsp<%@pagelanguage="java"pageEncoding="gb2312"%><%@pageimport="java.io.*,java.awt.image.*

3、,com.sun.image.codec.jpeg.*,java.sql.*,com.jspsmart.upload.*,java.util.*"%><%@pageimport="mainClass.*"%><%SmartUploadsma=newSmartUpload();longfile_max_size=4000000;Stringfilename1="",ext="

4、",testvar="";Stringurl="uploadfiles/";sma.initialize(pageContext);try{sma.setAllowedFilesList("jpg,gif");sma.upload();}catch(Exceptione){%>alert("只允许上传jpg,gif格式图片");window.location.href="upfile.jsp"<%}try{com.jspsmart.upload.Fi

5、lemyf=sma.getFiles().getFile(0);if(myf.isMissing()){%>alert("请选择要上传的文件！");window.location.href="upfile.jsp"<%}else{ext=myf.getFileExt();intfile_size=myf.getSize();Stringsaveurl="";if(file_size

6、r.getInstance();Stringfilename=String.valueOf(cal.getTimeInMills());saveurl=request.getRealPath("/")+url;saveurl+=filename+"."+ext;myf.saveAs(saveurl,sma.SAVE_PHYSICAL);myclassmc=newmyclass(request.getRealPath("data/data.mdb"));mc.executeInsert("insertinto[path]

7、values('uploadfiles/"+filename+"."+ext+"')");//检查out.println("图片上传成功！");response.sendRedirect("showimg.jsp");}}}catch(Exceptione){e.printStackTrace();}%>