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jsp 上传囄��

��傻 — Fri, 26 Jan 2007 06:43:00 GMT

首先配置WEB�Q�INF
下蝲 jspSmartUpload.jar �q�解压放�?br />举例路径E:\WEB-INF\classes\的下�?/font>

也可�?br /> ��jar包复制到　\WEB-INF\lib　
目录后重启服务器�Q�jspsmart卛_��正常使用�?br />1.upload.jsp
<%@ page
language="java"
contentType="text/html;charset=gb2312"
import = "java.util.*"
import = "java.sql.*"
import = "java.text.*"
import = "java.io.*"
%>

请选择上传的图�?br />

2.uploadimage.jsp
<%@ page
language="java"
contentType="text/html;charset=gb2312"
import="java.io.*"
import="java.awt.Image"
import="java.awt.image.*"
import="com.sun.image.codec.jpeg.*"
import="java.sql.*"
import="com.jspsmart.upload.*"
import="java.util.*"
%>
<%
try{
 com.jspsmart.upload.File myFile = mySmartUpload.getFiles().getFile(0);
 if (myFile.isMissing()){%>

 <%}
 else{
 //String myFileName=myFile.getFileName(); //取得上蝲的文件的文�g�?br /> ext= myFile.getFileExt(); //取得后缀�?br /> int file_size=myFile.getSize(); //取得文�g的大��?
 double pic_size=file_size;
 String saveurl="";
 if(file_size //更改文�g名，取得当前上传旉��的毫�U�数�?br /> Calendar calendar = Calendar.getInstance();
 String filename = String.valueOf(calendar.getTimeInMillis());
 saveurl=request.getRealPath("/")+purl;
 saveurl+=filename+"."+ext; //保存路径
 myFile.saveAs(saveurl,mySmartUpload.SAVE_PHYSICAL);
 //out.print(filename);
//-----------------------上传完成�Q�开始生成羃略图-------------------------
 java.io.File file = new java.io.File(saveurl); //��d��刚才上传的文�?br /> String newurl=request.getRealPath("/")+url+filename+"_min."+ext; //新的�~�略图保存地址
 Image src = javax.imageio.ImageIO.read(file); //构造Image对象
 float tagsize=200;
 int old_w=src.getWidth(null); //得到源图�?br /> int old_h=src.getHeight(null);
 int new_w=0;
 int new_h=0; //得到源图�?br /> int tempsize;
 float tempdouble;
 if(old_w>old_h){
 tempdouble=old_w/tagsize;
 }else{
 tempdouble=old_h/tagsize;
 }
 new_w=Math.round(old_w/tempdouble);
 new_h=Math.round(old_h/tempdouble);//计算新图长宽
 BufferedImage tag = new BufferedImage(new_w,new_h,BufferedImage.TYPE_INT_RGB);
 tag.getGraphics().drawImage(src,0,0,new_w,new_h,null); //�l�制�~�小后的�?br /> FileOutputStream newimage=new FileOutputStream(newurl); //输出到文件流
 JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(newimage);
 encoder.encode(tag); //�q�JPEG�~�码
 newimage.close();
//-------------生成�~�略囑֮�毕（如果不需要可删除�q�段�Q?--------------
}
 else{
 out.print("");
 }
}
}catch (Exception e){

e.toString();

}
%>

��傻 2007-01-26 14:43 发表评论

��傻 — Fri, 26 Jan 2007 06:34:00 GMT

1.image.jsp
<%@ page contentType="image/jpeg" import="java.awt.*,java.awt.image.*,java.util.*,javax.imageio.*" %>
<%!
Color getRandColor(int fc,int bc){//�l�定范围获得随机颜色
 Random random = new Random();
 if(fc>255) fc=255;
 if(bc>255) bc=255;
 int r=fc+random.nextInt(bc-fc);
 int g=fc+random.nextInt(bc-fc);
 int b=fc+random.nextInt(bc-fc);
 return new Color(r,g,b);
 }
%>
<%
//讄��面不缓�?br />response.setHeader("Pragma","No-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires", 0);

// 在内存中创徏图象
int width=60, height=20;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

// 获取囑�Ş上下�?br />Graphics g = image.getGraphics();

//生成随机�c?br />Random random = new Random();

// 讑֮�背景�?br />g.setColor(getRandColor(200,250));
g.fillRect(0, 0, width, height);

//讑֮�字体
g.setFont(new Font("Times New Roman",Font.PLAIN,18));

//画边�?br />//g.setColor(new Color());
//g.drawRect(0,0,width-1,height-1);

// 随机产生155条干扰线�Q��图象中的认证码不易被其它�E�序探测�?br />g.setColor(getRandColor(160,200));
for (int i=0;i<155;i++)
{
int x = random.nextInt(width);
int y = random.nextInt(height);
int xl = random.nextInt(12);
int yl = random.nextInt(12);
g.drawLine(x,y,x+xl,y+yl);
}

// 取随��Z�生的认证�?4位数�?
String sRand="";
for (int i=0;i<4;i++){
 String rand=String.valueOf(random.nextInt(10));
 sRand+=rand;
 // ��认证码昄��到图象中
 g.setColor(new Color(20+random.nextInt(110),20+random.nextInt(110),20+random.nextInt(110)));//调用函数出来的颜色相同，可能是因为种子太接近�Q�所以只能直接生�?br /> g.drawString(rand,13*i+6,16);
}

// ��认证码存入SESSION
session.setAttribute("rand",sRand);

// 图象生效
g.dispose();

// 输出图象到页�?br />ImageIO.write(image, "JPEG", response.getOutputStream());
%>
//调用��面
2.Test.jsp

jsp+javamail 发送邮件全工略

��傻 — Fri, 26 Jan 2007 06:23:00 GMT

配置WEB-INF
下蝲jaf-1_1-fr.zip�Q�javamail-1_4.zip解压出来activation.jar�Q�mail.jar
攑օ�E:\WEB-INF\lib下面
最好在E:\j2sdk\lib下面也加入这2个包�Q�让后配�|�CLASSPATH 加入包�\径也��是
%JAVA_HOME%\lib\activation.jar;%JAVA_HOME%\lib\mail.jar;

1.email.htm

撰写邮�g

2.send.jsp
<%@ page contentType="text/html;charset=GB2312" %>
<%request.setCharacterEncoding("gb2312");%>
<%@ page import="java.util.*,javax.mail.*"%>
<%@ page import="javax.mail.internet.*"%>

发送成�?lt;/title> </head> <body> <% try{ String tto=request.getParameter("to"); String ttitle=request.getParameter("title"); String tcontent=request.getParameter("content"); Properties props=new Properties(); props.put("mail.smtp.host","smtp.163.com");//发�g��Z��用发邮�g的电子信��服务器 props.put("mail.smtp.auth","true"); //�q�样才能通过验证 Session s=Session.getInstance(props); s.setDebug(true); MimeMessage message=new MimeMessage(s); //�l�消息对象设�|�发件�h/收�g�?主题/发信旉�� InternetAddress from=new InternetAddress("<a href="mailto:litianyi520@163.com">litianyi520@163.com</a>"); //发邮件的出发圎ͼ�发�g人的信箱�Q?br />message.setFrom(from); InternetAddress to=new InternetAddress(tto);//发邮件的目的圎ͼ�收�g��Z��） message.setRecipient(Message.RecipientType.TO,to); message.setSubject(ttitle); message.setSentDate(new Date()); //�l�消息对象设�|�内�?br />BodyPart mdp=new MimeBodyPart();//新徏一个存放信件内容的BodyPart对象 mdp.setContent(tcontent,"text/html;charset=gb2312");//�l�BodyPart对象讄��内容和格�?�~�码方式 Multipart mm=new MimeMultipart();//新徏一个MimeMultipart对象用来存放BodyPart�?br />//�?事实上可以存攑֤��? mm.addBodyPart(mdp);//��BodyPart加入到MimeMultipart对象�?可以加入多个BodyPart) message.setContent(mm);//把mm作�ؓ消息对象的内�?/p> message.saveChanges(); Transport transport=s.getTransport("smtp"); transport.connect("smtp.163.com","username","password");//发邮件�h帐户密码 transport.sendMessage(message,message.getAllRecipients()); transport.close(); %> <div align="center"> 发送成�? </div> <% }catch(MessagingException e){ out.println(e.toString()); } %> </body> </html> <div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/litianyi520/" target="_blank">��傻</a> 2007-01-26 14:23 <a href="http://www.aygfsteel.com/litianyi520/archive/2007/01/26/96145.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div> </article> <article> <h1>MD5 jsp+javabean</h1> ��傻 — Fri, 26 Jan 2007 06:18:00 GMT package test; import java.util.*; import java.io.*; import java.security.MessageDigest; public class PWD { public String encryptPWD(String sPassword) { byte cResult[] = new byte[16]; String sResult = ""; try { MessageDigest md = MessageDigest.getInstance("MD5"); md.update( ("litianyi" + sPassword).getBytes()); cResult = md.digest(); for (int i = 0; i < cResult.length; i++) { if (cResult[i] < 0) cResult[i] += 128; String sTemp = Integer.toHexString(cResult[i]).toUpperCase(); if (cResult[i] < 16) sTemp = "0" + sTemp; sResult += sTemp; } } catch (Exception e) { sResult = ""; } return sResult; } } Test_MD5.jsp <%@ page contentType="text/html;charset=gb2312" import="test.PWD"%> <% String a="123456"; PWD n=new PWD(); out.println(n.encryptPWD(a)); %> <div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/litianyi520/" target="_blank">��傻</a> 2007-01-26 14:18 <a href="http://www.aygfsteel.com/litianyi520/archive/2007/01/26/96144.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div> </article> <article> <h1>java固定数组如何随机输出</h1> ��傻 — Wed, 29 Nov 2006 08:01:00 GMT import java.util.Random; public class test2 { public static void main(String args[]) { RandomTest(); } // 数组自由排列 public static void RandomTest(){ Random ran = new Random(); int a[] = { 1, 2, 3, 4, 5 ,6,7,8,9}; int b[] = new int[a.length]; int w = a.length; int x = 0; int y; for (int i = 0; i < a.length; i++) { y = 0; x = Math.abs(ran.nextInt()) % w; // 把随机选中的数�Q�提出来�Q�然后省下数重新排列数组 for (int j = 0; j < w; j++) { if (x == j) { b[i] = a[x]; continue;15:59:4715:59:582006�q?1�?9�?br /> } a[y] = a[j]; y++; } w--; System.out.print("~" + b[i] + "~"); } } } <div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/litianyi520/" target="_blank">��傻</a> 2006-11-29 16:01 <a href="http://www.aygfsteel.com/litianyi520/archive/2006/11/29/84361.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div> </article> <article> <h1>��单的昄��旉��</h1> ��傻 — Tue, 17 Oct 2006 09:21:00 GMT Date dd=new Date(); String adddate=dd.toLocaleString(); Calendar rightNow = Calendar.getInstance(); out.println(rightNow.getTime()); Calendar now = new GregorianCalendar(); System.out.println(now.get(Calendar.YEAR)); //year System.out.println(now.get(Calendar.MONTH) + 1);//month System.out.println(now.get(Calendar.DAY_OF_MONTH)); //day System.out.println(now.get(Calendar.HOUR_OF_DAY)); //hour System.out.println(now.get(Calendar.MINUTE)); //minute System.out.println(now.get(Calendar.SECOND)); //second System.out.println(now.get(Calendar.MILLISECOND)); //ms <a href="/litianyi520"></a> <div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/litianyi520/" target="_blank">��傻</a> 2006-10-17 17:21 <a href="http://www.aygfsteel.com/litianyi520/archive/2006/10/17/75696.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div> </article> <article> <h1>��单的JSP分页代码</h1> ��傻 — Tue, 17 Oct 2006 02:00:00 GMT ��单明�?适合初学者学�?当然你也可以用类来实现分��?/font> <% int PageSize=20; //一��|��C�的记录�? int RowCount; //记录��L�� int PageCount; //总页�? int Page; //待显�C�页�? int i,j; String strPage = request.getParameter("page"); if (strPage==null){ //表明在QueryString中没有page�q�一个参敎ͼ�此时昄��W�一��|��? Page = 1; } else{ //��字�W�串转换成整�? Page = Integer.parseInt(strPage); if(Page<1) Page = 1; } //得到发表的文章��L�� String sql3="select count(*) from msg"; ResultSet rs3=RegisterBean.executeQuery(sql3); rs3.next(); RowCount =rs3.getInt(1); PageCount = (RowCount+PageSize-1)/PageSize; //记算总页�? if(Page>PageCount) Page = PageCount; //调整待显�C�的��늠� //讄��获取数据SQL语句 String sql4="select title,msgid from msg"; ResultSet rs4=RegisterBean.executeQuery(sql4); //我用的JAVABEAN,不用多说了吧 i = (Page-1) * PageSize; //��记录指针定位到待显�C�页的第一条记录上 for(j=0;j<i;j++) rs4.next(); i = 0; //分页昄��Q�每��五条文章信�?br /> while(i<PageSize && rs4.next()){ String title=rs4.getString("title"); //String categoryname=rs4.getString("categoryname"); int msgid=rs4.getInt("msgid"); %> <%=title%> <% i++; } %> <a href="a.jsp?page=1">首页</a> �?lt;%=RowCount%>条信�?br /><%=Page%>/<%=PageCount%>��? <%if(Page>1) { %> <a href="a.jsp?page=<%=Page-1%>">上一��?lt;/a> <%}%> <%if(Page<PageCount) {%> <a href="a.jsp?page=<%=Page+1%>">下一��?lt;/a> <%}%> <a href="a.jsp?page=<%=PageCount%>">��N��</a> <% rs4.close();%> <div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/litianyi520/" target="_blank">��傻</a> 2006-10-17 10:00 <a href="http://www.aygfsteel.com/litianyi520/archive/2006/10/17/75541.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div> </article> <article> <h1>二��联动Jsp+javascript</h1> ��傻 — Tue, 17 Oct 2006 01:44:00 GMT <script language="JavaScript"> var onecount; onecount=0; subcat =new Array(); // 建立数组 <% int count; String sql0="select * from class "; ResultSet rs0=RegisterBean.executeQuery(sql0); //打开数据�?�q�里我用的是javabean链接JDBC的方�?br />count=0; while(rs0.next()) { %> ��类ID ��类名字大类ID subcat[<%=count%>] = new Array("<%=rs0.getString(1)%>","<%=rs0.getString(2)%>","<%=rs0.getString(3)%>"); //�l�数�l�赋�?其中rs0.getString(1)代表�W?字段,�q�里不要搞错字段�?br /><% count=count+1; } rs0.close(); %> onecount=<%=count%>; function changelocation(id) //实现函数 { document.myform.classid.length = 0; var id=id; var i;//如果i�?循环那么记录中第1行的信息��q��不到�?br /> for (i=0;i<onecount; i++) //从数�l�的�W?行算�?查找id ,�q�里的id是你大类的id(下面有我的数�l�例�? { if (subcat[i][2] ==id) //�W�一�ơ��@环从�W?�?�W?�?�?列是大类ID { document.myform.classid.options[document.myform.classid.length] = new Option(subcat[i][1], subcat[i][0]); //导出数组,导出��类名称和小�c�ID } } } </script> <form name="myform" method="post" action="#"> <select name="categoryid" style="font-size:14px; width:100px;" size="8" onChange="changelocation(document.myform.categoryid.options[document.myform.categoryid.selectedIndex].value);"> <% String sql1="select * from category "; ResultSet rs1=RegisterBean.executeQuery(sql1); while(rs1.next()) { %> <option value="<%=rs1.getInt(1)%>"><%=rs1.getString(2)%></option> <% } rs1.close(); %> </select> <select name="classid" style="font-size:14px;width:100px" size="8"> </select> 例子 0 1 2 chassid classname categoryid ��类ID ��类名字大类ID 备注: 搞清出javascript如何实现很重�?br /> <div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/litianyi520/" target="_blank">��傻</a> 2006-10-17 09:44 <a href="http://www.aygfsteel.com/litianyi520/archive/2006/10/17/75533.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div> </article> <article> <h1>更方�?更强大的jsp分页代码</h1> ��傻 — Tue, 26 Sep 2006 09:09:00 GMT 转蝲 //首先引入标记 <%@ taglib uri="http://jsptags.com/tags/navigation/pager" prefix="pg" %> //例如我们要将一个List里面的东西分��|��C? ArrayList l = new ArrayList(); //开始分��啦 <pg:pager maxPageItems="10"> <% for(int i=0; i<l.size(); i++){ %> //��每个记录取出放�?lt;pg:item>标签�? <pg:item><%=(Object)l.get(i)%></pg:item> <%}%> //昄��分页效果 <pg:index> <pg:first> <%if(pageUrl != null){%> <A HREF="<%= pageUrl %>">�W�一��?lt;/b></A> <%}else{%> �W�一��?lt;/b> <%}%> </pg:first> <pg:prev export="pageUrl"> <%if(pageUrl != null){%> <A HREF="<%= pageUrl %>">上一��?lt;/b></A> <%}else{%> <%}%> </pg:prev> <pg:next export="pageUrl"> <%if(pageUrl != null){%> <A HREF="<%= pageUrl %>">下一��?lt;/b></A> <%}else{%> <%}%> </pg:next> <pg:last> <%if(pageUrl != null){%> <A HREF="<%= pageUrl %>">最后一��?lt;/b></A> <%}else{%> 最后一��?lt;/b> <%}%> 共有<%=pageNumber%>��? </pg:last> </pg:index> //功成 </pg:pager> <div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/litianyi520/" target="_blank">��傻</a> 2006-09-26 17:09 <a href="http://www.aygfsteel.com/litianyi520/archive/2006/09/26/72063.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div> </article> </main></body></html>

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91在线视频播放,国产精品无码2021在线观看,久久精品二区

jsp 上传囄���

jsp+javamail 发送邮件全工略

jsp 上传囄��