📄 uploadandinsertsecondleveltitleservlet.java
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package com.newsassurace.controller;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspFactory;
import javax.servlet.jsp.PageContext;
import com.jspsmart.SmartRequest;
import com.jspsmart.SmartUpload;
import com.jspsmart.SmartUploadException;
import com.newsassurace.biz.NewsBiz;
import com.newsassurace.entity.SecondLevelTitleBean;
public class UploadAndInsertSecondLevelTitleServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=gb2312");
request.setCharacterEncoding("gb2312");
PrintWriter out = response.getWriter();
String islanded = (String) request.getSession()
.getAttribute("islanded");
if (islanded == null) {
out.print("<body bgcolor='#66CC66'><h2>请先登陆！<h2></body>");
} else if (islanded.equals("false")) {
out.print("<body bgcolor='#66CC66'><h2>请输入正确的用户名与密码登陆！</h2></body>");
} else {
// 使用了一个第三方的组件，存放在web-inf/lib下
response.setContentType("text/html;charset=GB2312");
// 由于SmartUpload的初始化方法需要pageContext,所以我们在servlet中得到他
// 为了得到pageConext要首先得到JspFactory的实例
// 通过JspFactory的实例的getPageContext方法得到pageConext的实例
JspFactory jf = null;
// 得到JspFactory的实例
jf = JspFactory.getDefaultFactory();
// 下面是getPageContext方法参数的说明
/*
* getPageContext(Servlet servlet, ServletRequest request,
* ServletResponse response, java.lang.String errorPageURL, boolean
* needsSession, int buffer, boolean autoflush) obtains an instance
* of an implementation dependent javax.servlet.jsp.PageContext
* abstract class for the calling Servlet and currently pending
* request and response
*/
PageContext pageContext = jf.getPageContext(this, request,
response, null, true, 8192, true);
// 实例化SmartUpload
SmartUpload mySmartUpload = new SmartUpload();
String fileparth = null;// 保存文件在服务器站点上的相对路径
try {
// 初始化SmartUpload的实例，需要PageContext的实例
mySmartUpload.initialize(pageContext);
// 设定最大上传的字节数，其实可以不进行设定，表示上传的文件没有大小限制
mySmartUpload.setTotalMaxFileSize(10000000);
mySmartUpload.upload();
// 获取客户端文件上传到服务器
com.jspsmart.SmartFiles files = mySmartUpload.getFiles();
com.jspsmart.SmartFile file = files.getFile(0);
String upLoadFileName = file.getFileName();
// 如果有文件上传就保存
if (!upLoadFileName.equals("") && upLoadFileName != null) {
file.saveAs("/upload/" + file.getFileName());
}
fileparth = "upload/" + file.getFileName();// 保存文件在服务器站点上的相对路径,不可以写"/upload/"
out.print("<body bgcolor='#66CC66'><h2>文件上传成功！</h2></body>");
} catch (Exception e) {
System.out.println(e.getMessage());
out.print("<body bgcolor='#66CC66'><h2>文件上传失败！</h2><a href='IssueSecondLevelTitleServlet'>返回</a></body>");
return;
}
// 将二级标题存到数据库中
SmartRequest req = mySmartUpload.getRequest();
Date nowtime = new Date();
SimpleDateFormat formate = new SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss");
String time = formate.format(nowtime);// 获得当前时间
String createrid = (String) request.getSession().getAttribute(
"createrId");// 获得发布者id
String parentname = req.getParameter("menu1");
String secondtitlename = req.getParameter("title");
NewsBiz nb = new NewsBiz();
String parentid = null;
parentid = nb.queryParentId(parentname);
SecondLevelTitleBean bean = new SecondLevelTitleBean();
bean.setTitleName(secondtitlename);
bean.setFilePath(fileparth);
bean.setCreaterId(createrid);
bean.setCreateTime(time);
bean.setParentId(parentid);
NewsBiz biz = new NewsBiz();
boolean isinserted = false;
isinserted = biz.saveSecondTitle(bean);
if (isinserted) {
out.print("<body><h2>二级标题发布成功！</h2><a href='IssueSecondLevelTitleServlet'>返回</a></body>");
} else {
out.print("<body bgcolor='#66CC66'><h2>二级标题发布失败！</h2><a href='IssueSecondLevelTitleServlet'>返回</a></body>");
}
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}
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