?? paramutils.java
字號:
package huc.blog.util;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
public class ParamUtils {
public static String getParameter(HttpServletRequest request,
String paramName, String defaultValue) {
if (request.getParameter(paramName) != null
&& !request.getParameter(paramName).trim().equals(""))
return request.getParameter(paramName).trim();
return defaultValue.trim();
}
public static int getParameter(HttpServletRequest request,
String paramName, int defaultValue) {
if (request.getParameter(paramName) != null
&& !request.getParameter(paramName).trim().equals(""))
return Integer.parseInt(request.getParameter(paramName).trim());
return defaultValue;
}
public static String getAttribute(HttpServletRequest request,
String paramName, String defaultValue) {
if (request.getAttribute(paramName) != null
&& !((String) request.getAttribute(paramName)).trim()
.equals(""))
return ((String) request.getAttribute(paramName)).trim();
return defaultValue.trim();
}
public static Object getObjectAttribute(HttpServletRequest request,
String paramName, Object defaultValue) {
if (request.getAttribute(paramName) != null)
return request.getAttribute(paramName);
return defaultValue;
}
public static Object getObjectAttribute(HttpSession session,
String paramName, Object defaultValue) {
if (session.getAttribute(paramName) != null)
return session.getAttribute(paramName);
return defaultValue;
}
}
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