论坛代码.docx

论坛代码.docx

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论坛代码

packagecom.servlet;

importjava.io.IOException;

importjavax.servlet.RequestDispatcher;

importjavax.servlet.ServletException;

importjavax.servlet.http.HttpServletRequest;

importjavax.servlet.http.HttpServletResponse;

publicclassAdminIndexServletextendsSuperServlet{

privatestaticfinallongserialVersionUID=1L;

protectedvoiddoGet（HttpServletRequestrequest,HttpServletResponseresponse）throwsServletException,IOException{

doPost（request,response）;

}

protectedvoiddoPost（HttpServletRequestrequest,HttpServletResponseresponse）throwsServletException,IOException{

request.getSession（）.setAttribute（"activation",true）;

RequestDispatcherrd=request.getRequestDispatcher（getInitParameter（"adminindex"））;

rd.forward（request,response）;

}

}

packagecom.servlet;

importjava.io.IOException;

importjava.lang.reflect.Method;

importjava.sql.SQLException;

importjava.util.Date;

importjavax.servlet.RequestDispatcher;

importjavax.servlet.ServletException;

importjavax.servlet.http.HttpServletRequest;

importjavax.servlet.http.HttpServletResponse;

importcom.dao.AttachmentDao;

importcom.dao.ReplyDao;

importcom.dao.TopicDao;

importcom.jspsmart.upload.File;

importcom.jspsmart.upload.Files;

importcom.jspsmart.upload.SmartUpload;

importcom.toolsbean.MyFileHandler;

importcom.toolsbean.StringHandler;

importcom.valuebean.AttachmentBean;

importcom.valuebean.ReplyBean;

importcom.valuebean.TopicBean;

importcom.valuebean.UserBean;

publicclassAttachmentServletextendsSuperServlet{

protectedvoiddoGet（HttpServletRequestrequest,HttpServletResponseresponse）throwsServletException,IOException{

doPost（request,response）;

}

protectedvoiddoPost（HttpServletRequestrequest,HttpServletResponseresponse）throwsServletException,IOException{

String[]subPaths=（String[]）request.getAttribute（"subPaths"）;

if（subPaths!

=null&&subPaths.length==4）{

Stringoperate=subPaths[3];

try{

Methodmd=getClass（）.getDeclaredMethod（operate,newClass[]{HttpServletRequest.class,HttpServletResponse.class}）;//根据opName变量值获取名称为opName变量值的方法。

Class数组指定该方法中各参数的类型

md.setAccessible（true）;//设为true后将能调用私有方法

md.invoke（this,newObject[]{request,response}）;//调用方法，Object数组指定方法需要的参数

}catch（Exceptione）{

e.printStackTrace（）;

invalidate（request,response）;

}

}

else{

invalidate（request,response）;

}

}

privatevoiduploadview（HttpServletRequestrequest,HttpServletResponseresponse）throwsServletException,IOException{

Stringmessage="";

Stringforward="";

try{

IntegertopicId=StringHandler.strToint（request.getParameter（"topicId"））;

IntegerreplyId=StringHandler.strToint（request.getParameter（"replyId"））;

if（topicId==null&&replyId==null）{

message="

forward=RUNFAIL;

}

elseif（topicId!

=null）{//为主题添加附件

TopicBeantopic=newTopicDao（）.getTopicSingle（topicId）;

if（topic==null）{

message="

forward=RUNFAIL;

}

else{

forward=INDEXTEMP;

request.setAttribute（"mainPage",getInitParameter（"addattachmentTopicmain"））;

request.setAttribute（"attachtopic",topic）;

}

}

else{//为回复帖添加附件

ReplyBeanreply=newReplyDao（）.getReplySingle（replyId）;

if（reply==null）{

message="

forward=RUNFAIL;

}

else{

forward=INDEXTEMP;

request.setAttribute（"mainPage",getInitParameter（"addattachmentReplymain"））;

request.setAttribute（"attachreply",reply）;

}

}

}catch（SQLExceptione）{

e.printStackTrace（）;

}

request.setAttribute（"message",message）;

RequestDispatcherrd=request.getRequestDispatcher（forward）;

rd.forward（request,response）;

}

privatevoiduploadrun（HttpServletRequestrequest,HttpServletResponseresponse）throwsServletException,IOException{

intk=-1;

Stringmessage="";

IntegertopicId=StringHandler.strToint（request.getParameter（"topicId"））;

IntegerreplyId=StringHandler.strToint（request.getParameter（"replyId"））;

if（replyId==null）//为主题添加附件

replyId=-1;

longmaxsize=Long.parseLong（getInitParameter（"maxsize"））;//获取允许上传文件的总长度

try{

SmartUploadmyup=newSmartUpload（）;

myup.initialize（this,request,response）;

myup.setTotalMaxFileSize（maxsize）;//设置允许上传文件的总长度

myup.upload（）;//上传文件

Datedate=newDate（）;//获取当前时间

Stringloginername=（（UserBean）request.getSession（）.getAttribute（"loginer"））.getMemberName（）;

Filesfiles=myup.getFiles（）;//获取所有的上传文件

intcount=files.getCount（）;//获取上传文件数量

Stringuptime=StringHandler.timeTostr（date）;//转化当前时间为字符串

String[]serials=StringHandler.getSerial（date,count）;//获取count个以当前时间作为内容的标识符,它们将用来命名上传的文件

AttachmentDaoattachDao=newAttachmentDao（）;

for（inti=0;i

Filesinglefile=files.getFile（i）;

if（!

singlefile.isMissing（））{//如果有文件

intfilesize=singlefile.getSize（）;

if（filesize==0）

message+="

else{

Stringfilename=singlefile.getFileName（）;//获取上传文件的名称

Stringsavename=serials[i]+"_"+loginername+"."+singlefile.getFileExt（）;

Stringfiletype=singlefile.getContentType（）.trim（）;

Stringfiledir=getServletContext（）.getInitParameter（"filedir"）;//获取存放文件的目录（该目录位于web应用根目录下）

Object[]params={topicId,replyId,savename,filename,filetype,filesize,uptime};

k=attachDao.addAttachInfo（params）;//保存文件信息到数据库中

if（k<=0）{//信息保存失败！

message+="

}

else{//信息保存成功

if（replyId==-1）//为主题添加附件

newTopicDao（）.updateTopicAttachment（"1",topicId）;//将主题的topic_attachment字段设为"1"，表示该主题带有附件

else//为回复帖添加附件

newReplyDao（）.updateReplyAttachment（"1",replyId）;//将回复帖的reply_attachment字段设为"1"，表示该回复帖带有附件

singlefile.saveAs（filedir+savename,File.SAVEAS_VIRTUAL）;//保存文件到磁盘的指定目录下

message+="●文件"+（i+1）+"：

"+singlefile.getFilePathName（）+"上传成功！

";

}

}

}

}

attachDao.closed（）;

}catch（java.lang.SecurityExceptione1）{

k=-1;

message="

e1.printStackTrace（）;

}

catch（Exceptione2）{

k=-1;

message="

e2.printStackTrace（）;

}catch（java.lang.OutOfMemoryErrore3）{

k=-1;

message="

e3.printStackTrace（）;

}

if（k<=0）{

message+="

window.history.go（-1）'>>>返回重试
";

message+="

topicId="+topicId+"'target='_parent'>>>返回主题";

}

else{

newTopicDao（）.updateTopicAttachment（"1",topicId）;

message+="

window.history.go（-1）'>>>继续上传
";

message+="

topicId="+topicId+"'target='_parent'>>>返回主题";

}

request.setAttribute（"message",message）;

RequestDispatcherrd=request.getRequestDispatcher（getInitParameter（"uploadresult"））;

rd.forward（request,response）;

}

privatevoiddownloadrun（HttpServletRequestrequest,HttpServletResponseresponse）throwsServletException,IOException{

Integerattachmentid=StringHandler.strToint（request.getParameter（"attachmentid"））;

if（attachmentid==null）{

request.setAttribute（"message","