parserequest.java

不说了

/**
 * 
 */
package com.david.util;

import javax.servlet.http.HttpServletRequest;

import com.david.validate.IValidate;

/**
 * @author Administrator
 * 
 */
public class ParseRequest implements IParseRequest{
	
	private IValidate validate;

	public IValidate getValidate() {
		return validate;
	}
	public void setValidate(IValidate validate) {
		this.validate = validate;
	}
	/**
	 * 
	 */
	public ParseRequest() {
		// TODO Auto-generated constructor stub
	}
	/**
	 * 从request中获取整数
	 * @param request
	 * @param parseString
	 * @param defaultNum
	 * @return
	 */
	public int parseInt(HttpServletRequest request, String parseString,
			int defaultNum) {
		int num;
		String s;
		try{
			s=request.getParameter(parseString);
		}catch(Exception e){
			s=null;
		}
		if (validate.isEmpty(s)) {
			num = defaultNum;
		} else {
			num = Integer.parseInt(request.getParameter(parseString));
		}		
		return num;
	}
	

}