utility.java

系统包含求职用户和系统管理员两个角色

/*
 * 创建日期 2005-8-28
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package com.publish.jxc.charpter9;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author Administrator
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public final class Utility {
    public final static String Users_XML_File = "data\\users.xml";
    
    public final static String Actions_XML_File = "data\\actions.xml";
    
    public static String outPrintPage(String strInfo)
    {
        String outText = "";  
        outText += "<%@ page contentType='text/html; charset=gb2312' %>";
        outText += "<script language='javascript'>";
        outText += "alert('" + strInfo + "');";
        outText += "history.go(-1);";
        outText += "</script>";
        return outText;
    }
    
    public static String outPrintPage(String strInfo, String strUrl)
    {
        String outText = "";
        outText += "<%@ page contentType='text/html; charset=gb2312' %>";
        outText += "<script language='javascript'>";
        outText += "alert('" + strInfo + "');";
        outText += "window.location.href='" + strUrl +"';";
        outText += "</script>";
       	return outText;
    }
    
    public static String UnicodeToChinese(String s)
    {
        try
        {
            if(s==null||s.equals("")) return "";
            String newstring=null;
            newstring=new String(s.getBytes("ISO8859_1"),"gb2312");
            return newstring;
        }
        //catch(UnsupportedEncodingException e)
        catch(Exception e)
        {
            return s;
        }
    }

    public static String ChineseToUnicode(String s)
    {
        try
        {
            if(s==null || s.equals("")) 
                return "";
            String newstring=null;
            newstring=new String(s.getBytes("gb2312"),"ISO8859_1");
            return newstring;
        }
        //catch(UnsupportedEncodingException e)
        catch(Exception e)
        {
            return s;
     	}
    }

    public static String toHTMLString(String in) 
    {
        StringBuffer out = new StringBuffer();
        for(int i=0; in!=null && i<in.length(); i++) 
        {
            char c = in.charAt(i);
            if (c == '\'')
                out.append("&#039;");
            else if (c == '\"')
                out.append("&#034;");
            else if (c == '<')
                out.append("&lt;");
            else if (c == '>')
                out.append("&gt;");
            else if (c == '&')
                out.append("&amp;");                
            else if (c == ' ')
                out.append("&nbsp;");
            else if (c == '\n')
                out.append("<br/>");
            else
                out.append(c);
        }
        return out.toString();
    }
    
    public static void forwardToErrorPage(HttpServletRequest req, HttpServletResponse res)
    {
        try
        {
            RequestDispatcher rd = req.getRequestDispatcher(res.encodeURL("error.jsp"));
            rd.forward(req, res);
        }
        catch(IOException e)
        {
            e.printStackTrace();
        }
        catch(ServletException e)
        {
            e.printStackTrace();
        }
    }
    
    public static void forwardToSpecialPage(HttpServletRequest req, HttpServletResponse res, String url)
    {
        try
        {
            RequestDispatcher rd = req.getRequestDispatcher(res.encodeURL(url));
            rd.forward(req, res);
        }
        catch(IOException e)
        {
            e.printStackTrace();
        }
        catch(ServletException e)
        {
            e.printStackTrace();
        }
    }
    
    public static String getUserManagerPageSection(String strOperation, String contextPath, String requestUrl)
    {
        String strOut = "<br><table align=center border=0 cellpadding=0 cellspacing=2 width=\"95%\" >";
        strOut += "<tbody><tr valign=center><td align=middle><br><table border=0 cellpadding=0 cellspacing=0><tr><td>";
        String str;
        if (strOperation.equals("addnew"))
      	{
            str = "<input class=stbtm name=update onClick=\"javascript:if (checkform2()==false);\" type=button value=\"更新记录\">";
      	}
      	else
      	{
      		if(strOperation.equals("modi"))
      		{
      		    str = "<input class=stbtm name=update onClick=\"javascript:if (checkform()==false);\" type=button value=\"更新记录\">";
      		}
      		else
      		{
      		    str = "<input class=stbtm type=\"button\" name=\"Button\" value=\"新 增\" onClick=\"javascript:window.location.href='" + requestUrl + "?act=addnew';\">";
      		} 
      	}
        strOut += str;
        strOut += "&nbsp;</td>";
        if(!strOperation.equals("show"))
        {
            strOut += "<td><input class=stbtm type=\"button\" name=\"Button\" value=\"返 回\" onClick=\"javascript:window.location.href='" + requestUrl + "';\">&nbsp;</td>";
        }
        strOut += "<td><input class=stbtm type=\"button\" name=\"Button\" value=\"返回上页\" onClick=\"javascript:window.location.href='" + contextPath + "/pages/admin/index.jsp';\">";
        strOut += "</td></tr></table></td></tr></table><p>&nbsp;</p>";
        return strOut;
    }
    

}