www.pudn.com > 2_15692.zip > ParamUtils.java

/** 
*  Title  新闻管理系统 
*  @author: 陈钢 
*  Company: http://www.pcccp.com 
*  Copyright: Copyright (c) 2003 
*  @version 1.0 
*  servlet 
*/ 
package news.util; 
 
import javax.servlet.ServletRequest; 
import javax.servlet.http.HttpServletRequest; 
 
public class ParamUtils 
{ 
	public ParamUtils(){} 
 
	private static String getString(HttpServletRequest request, String s){ 
        String temp = null; 
		try{ 
			temp = request.getParameter(s).trim(); 
		}catch(Exception e){} 
	return temp; 
    } 
 
	public static String getString(HttpServletRequest request, String s, String defaultString) throws Exception { 
		String s1 = getString(request,s); 
		if(s1==null) return defaultString; 
		return s1; 
	} 
 
	public static int getInt(HttpServletRequest request,String s, int defaultInt){ 
		try{ 
			String temp = getString(request,s); 
			if(temp==null) 
				return defaultInt; 
			else 
				return Integer.parseInt(temp); 
		}catch(NumberFormatException e){ 
			return 0; 
		} 
	} 
	 
	public static long getLong(HttpServletRequest request, String s, long defaultLong){ 
		try{ 
			String temp = getString(request,s); 
			if(temp==null) 
				return defaultLong; 
			else 
				return Long.parseLong(temp); 
		}catch(NumberFormatException e){ 
			return 0; 
		} 
	} 
}