src/com/dream/action/ProductAction.java

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package com.dream.action;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.ServletActionContext;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.dream.bean.Product;
import com.dream.page.PageModel;
import com.dream.page.PageView;
import com.dream.page.QueryResult;
import com.dream.service.ProductService;
import com.dream.util.Init;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;

@Controller @Scope(value="prototype")
public class ProductAction extends ActionSupport implements ModelDriven<PageModel>{

	@Resource(name="productServiceImpl")
	private ProductService productService;

	private PageModel pageModel = new PageModel();
	
	@Resource(name="pageView")
	private PageView<Product> pageView;
	/**
	 * 分页显示商品信息
	 * @return
	 * @throws Exception
	 */
	public String list() throws Exception {
		HttpServletRequest request  = ServletActionContext.getRequest();	
		
		pageView.setCurrentpage(pageModel.getPage());
		pageView.setMaxresult(pageModel.getMaxresult());
		int fristindex = (pageModel.getPage()-1)*(pageModel.getMaxresult());
		QueryResult<Product> qr = null;
		String query = request.getParameter("query");
		StringBuffer wherejpql = new StringBuffer();
		List<Object> params = new ArrayList<Object>();
		if("query".equals(query)){//查询页面
			String name = request.getParameter("name");
			 if(name!=null&&!"".equals(name.trim())){
				 if(params.size()>0){
					  wherejpql.append(" and");
				  }
		        	wherejpql.append(" o.name like ?"+(params.size()+1));
		        	params.add("%"+name+"%");
		     request.setAttribute("name", name);
			}
			 String code = request.getParameter("code");
			 if(code!=null&&!"".equals(code.trim())){