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JSP如何实现 网页收藏 功能 在网页添加一个按钮 要求用户点击该按钮 可以将本网页添加到收藏夹 如何实现
a href="#" onClick="this.style.behavior='url(#default#homepage)';this.setHomePage('');return(false);" 设为首页/a | a href="javascript:window.external.AddFavorite('','百度一下')" 加入收藏/a
jsp上传图片,最好完整代码。100分!
upfile.jsp 文件代码如下:
form method="post" action="uploadimage.jsp" name="form1" enctype="multipart/form-data"
input type="file" name="file"
input type="submIT" name="sub" value="upload"
/form
form method="post" action="uploadimage.jsp" name="form1" enctype="multipart/form-data"
input type="file" name="file"
input type="submit" name="sub" value="upload"
/form
STRONGFONT color=#ff0000uploadimage.jsp/FONT/STRONG
文件代码如下:
uploadimage.jsp
文件代码如下:view plaincopy to clipboardprint?
PRE class=java name="code"%@ page language="java" pageEncoding="gb2312"%
%@ page import="java.io.*,java.awt.Image,java.awt.image.*,com.sun.image.codec.jpeg.*,java.sql.*,com.jspsmart.upload.*,java.util.*"%
%@ page import="mainClass.*" %
html
head
titleMy JSP 'uploadimage.jsp' starting page/title
/head
body
%
SmartUpload sma=new SmartUpload();
long file_max_size=4000000;
String filename1="",ext="",testvar="";
String url="uploadfiles/";
sma.initialize(pageContext);
try
{
sma.setAllowedFilesList("jpg,gif");
sma.upload();
}catch(Exception e){
%
script language="jscript"
alert("只允许上传jpg,gif图片")
window.location.href="upfile.jsp"
/script
%
}
try{
com.jspsmart.upload.File myf=sma.getFiles().getFile(0);
if(myf.isMissing()){
%
script language="jscript"
alert("请选择要上传的文件!")
window.location.href="upfile.jsp"
/script
%
}else{
ext=myf.getFileExt();
int file_size=myf.getSize();
String saveurl="";
if(file_size file_max_size){
Calendar cal=Calendar.getInstance();
String filename=String.valueOf(cal.getTimeInMillis());
saveurl=request.getRealPath("/")+url;
saveurl+=filename+"."+ext;
myf.saveAs(saveurl,sma.SAVE_PHYSICAL);
myclass mc=new myclass(request.getRealPath("data/data.mdb"));
mc.executeInsert("insert into [path] values('uploadfiles/"+filename+"."+ext+"')");
out.println("图片上传成功!");
response.sendRedirect("showimg.jsp");
}
}
}catch(Exception e){
e.printStackTrace();
}
%
/body
/html
/PRE
本文来自: IT知道网() 详细出处参考:
如何用jsp代码把当前页设置为主页
将下面代码嵌入你的jsp body中想设为主页的位置:
a href=# onClick="this.style.behavior='url(#default#homepage)';this.setHomePage(‘你的网址’);"设为首页/a