paramutils.java

这是一个Struts网上商城(图书)的管理系统源代码.

package com.util;
import javax.servlet.http.*;

public class ParamUtils {
  public static int getIntParameter(HttpServletRequest request, String paramName, int defaultNum) {
                                   
    String temp = request.getParameter(paramName);
    if (temp != null && !temp.equals("")) {
      int num = defaultNum;
      try {
        num = Integer.parseInt(temp);
      }
      catch (Exception ignored) {}
      return num;
    }
    else {
      return defaultNum;
    }
  }

}