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📄 doupdate_jsp.java

📁 设备管理系统:三种管理员:普通员工、设备管理员、超级管理员。可进行设备添加删除维修等基本操作。运行此需要netbeans+sql2005
💻 JAVA
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package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;

public final class doupdate_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory();

  private static java.util.Vector _jspx_dependants;

  private org.apache.jasper.runtime.ResourceInjector _jspx_resourceInjector;

  public Object getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      response.setContentType("text/html;charset=gb2312");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;
      _jspx_resourceInjector = (org.apache.jasper.runtime.ResourceInjector) application.getAttribute("com.sun.appserv.jsp.resource.injector");

      out.write('\n');
      upd.DB db = null;
      synchronized (_jspx_page_context) {
        db = (upd.DB) _jspx_page_context.getAttribute("db", PageContext.PAGE_SCOPE);
        if (db == null){
          db = new upd.DB();
          _jspx_page_context.setAttribute("db", db, PageContext.PAGE_SCOPE);
        }
      }
      out.write("\n");
      out.write("<html>\n");
      out.write("<head>\n");
      out.write(" <title>数据修改的方法</title>\n");
      out.write("  <link rel=\"stylesheet\" type=\"text/css\" href=\"css/style.css\">\n");
      out.write("</head>\n");
  String   mess="";  String   username=(String)session.getAttribute("searchusername");  String   usersex=request.getParameter("usersex");  String   userage=request.getParameter("userage");  String   userjob=request.getParameter("userjob");  int     age=0;  float   money=0;  boolean mark=true;  if(username==null||username.equals("")){      mark=false;      mess="<li>请输入<b>用户名!</b></li>";  }  if(usersex==null||usersex.equals("")){      mark=false;      mess+="<li>请输入<b>性别!</b></li>";  }  if(userage==null||userage.equals("")){      mark=false;      mess+="<li>请输入<b>年龄!</b></li>";  }  if(userjob==null||userjob.equals("")){      mark=false;      mess+="<li>请输入<b>职务!</b></li>";  }  if(mark){	  try{		  age=Integer.parseInt(userage);	  }catch(Exception e){mark=false;mess+="<li>输入的<b>年龄</b>不是数字!</li>";}  }  if(mark){      usersex=new String(usersex.getBytes("ISO-8859-1"),"gbk");      userjob=new String(userjob.getBytes("ISO-8859-1"),"gbk");      String sql="update tb_user set user_sex='"+usersex+"',user_age="+age+",user_job='"+userjob+"' where user_name='"+username+"'";      int i=db.update(sql);      db.closed();      if(i<=0)    	  mess="更新失败!";      else{	      session.invalidate();    	  response.sendRedirect("index.jsp");      }  }
      out.write("\n");
      out.write("<body>\n");
      out.write(" <center>\n");
      out.write("  <table width=\"220\" height=\"70\" cellspacing=\"0\" border=\"1\" bordercolor=\"black\" bordercolorlight=\"black\" bordercolordark=\"white\" style=\"margin-top:100\">\n");
      out.write("   <tr bgcolor=\"lightgrey\">\n");
      out.write("    <td>友情提示!</td>\n");
      out.write("   </tr>\n");
      out.write("   <tr>\n");
      out.write("    <td align=\"center\">");
      out.print(mess);
      out.write("</td>\n");
      out.write("   </tr>\n");
      out.write("  </table>\n");
      out.write("  <a href=\"showupdate.jsp\">[返回]</a>\n");
      out.write(" </center>\n");
      out.write("</body>\n");
      out.write("</html>\n");
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}

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