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   源码介绍

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package com.yxq.action;

import java.io.UnsupportedEncodingException;
import java.util.List;

import com.yxq.actionSuper.InfoSuperAction;
import com.yxq.dao.OpDB;
import com.yxq.model.CreatePage;
import com.yxq.tools.DoString;

public class InfoAction extends InfoSuperAction {	
	public String ListShow(){
		request.setAttribute("mainPage","/pages/show/listshow.jsp");	
		
		String infoType=request.getParameter("infoType");
		Object[] params={infoType};
		String sqlPayfor="SELECT * FROM tb_info WHERE (info_type = ?) AND (info_state='1') AND (info_payfor = '1') ORDER BY info_date DESC";
		
		OpDB myOp=new OpDB();
		
		/* 获取所有的付费信息 */
		List onepayforlist=myOp.OpListShow(sqlPayfor, params);				//获取所有付费信息
		request.setAttribute("onepayforlist",onepayforlist);
        
		/* 获取当前页要显示的免费信息 */
		String sqlFreeAll="SELECT * FROM tb_info WHERE (info_type = ?) AND (info_state='1') AND (info_payfor = '0') ORDER BY info_date DESC";		
		String sqlFreeSub="";
		int perR=3;
		String strCurrentP=request.getParameter("showpage");
		String gowhich="info_ListShow.action?infoType=" infoType;
		CreatePage createPage=myOp.OpCreatePage(sqlFreeAll, params,perR,strCurrentP,gowhich);			//调用OpDB类中的OpCreatePage()方法计算出总记录数、总页数，并且设置当前页码，这些信息都封装到了createPage对象中
		
		int top1=createPage.getPerR();
		int currentP=createPage.getCurrentP();		
		if(currentP==1){     		//设置显示第1页信息的SQL语句
			sqlFreeSub="SELECT * FROM tb_info WHERE (info_type = ?) AND (info_state = '1') AND (info_payfor = '0') ORDER BY info_date DESC limit 0," top1;
		}
		else{						//设置显示除第1页外，其他指定页码信息的SQl语句
			int top2=(currentP-1)*top1;
			sqlFreeSub="SELECT  * FROM tb_info i WHERE (info_type = ?) AND (info_state = '1') AND (info_payfor = '0') AND (info_date < (SELECT MIN(info_date) FROM (SELECT TOP " top2 " (info_date) FROM tb_info WHERE (info_type = i.info_type) AND (info_state = '1') AND (info_payfor = '0') ORDER BY info_date DESC) AS mindate)) ORDER BY info_date DESC limit 0," top1;
//			sqlFreeSub="SELECT TOP " top1 " * FROM tb_info i WHERE (info_type = ?) AND (info_state = '1') AND (info_payfor = '0') AND (info_date NOT IN (SELECT TOP " top2 " info_date FROM tb_info WHERE (info_type = i.info_type) AND (info_state = '1') AND (info_payfor = '0') ORDER BY info_date DESC)) ORDER BY info_date DESC";         //另一种实现分页查询的SQL语句
		}
		
		List onefreelist=myOp.OpListShow(sqlFreeSub, params);				//获取免费信息，信息数量由createPage.setPerR(int PerR)方法指定		
		request.setAttribute("onefreelist",onefreelist);
		request.setAttribute("createpage", createPage);

		return SUCCESS;
	}
	
	public String SingleShow(){
		request.setAttribute("mainPage","/pages/show/singleshow.jsp");
		
		String id=request.getParameter("id");
		String sql="SELECT * FROM tb_info WHERE (id = ?)";
		Object[] params={id};

		OpDB myOp=new OpDB();
		infoSingle=myOp.OpSingleShow(sql, params);
		if(infoSingle==null){
			request.setAttribute("mainPage","/pages/error.jsp");
			addFieldError("SingleShowNoExist",getText("city.singleshow.no.exist"));
		}		
		return SUCCESS;
	}
	
	public String Add(){
		System.out.println("正在执行Add()方法…");
		String addType=request.getParameter("addType");
		if(addType==null||addType.equals("")){
			request.setAttribute("mainPage","/pages/add/addInfo.jsp");
			addType="linkTo";
		}
		if(addType.equals("add")){
			request.setAttribute("mainPage","/pages/error.jsp");
			OpDB myOp=new OpDB();			
			Integer type=Integer.valueOf(infoSingle.getInfoType());
			String	title=infoSingle.getInfoTitle();
			String	content=DoString.HTMLChange(infoSingle.getInfoContent());
			String	phone=infoSingle.getInfoPhone();
			phone=phone.replaceAll(",","●");
			
			String linkman=infoSingle.getInfoLinkman();
			String email=infoSingle.getInfoEmail();
			String date=DoString.dateTimeChange(new java.util.Date());			
			String state="0";
			String payfor="0";
			
			Object[] params={type,title,content,linkman,phone,email,date,state,payfor};
			String sql="insert into tb_info values(null,?,?,?,?,?,?,?,?,?)";
			
			int i=myOp.OpUpdate(sql,params);			
			if(i<=0)
				addFieldError("addE",getText("city.info.add.E"));				
			else{
				sql="select * from tb_info where info_date=?";
				Object[] params1={date};				
				int infoNum=myOp.OpSingleShow(sql, params1).getId();				
				addFieldError("addS",getText("city.info.add.S") infoNum);				
			}
		}		
		return SUCCESS;
	}
	
	public String SearchShow() throws UnsupportedEncodingException{
		request.setAttribute("mainPage","/pages/show/searchshow.jsp");		
		
		String subsql=searchInfo.getSubsql();
		String sqlvalue=searchInfo.getSqlvalue();		
		String type=searchInfo.getType();
		
		String showType=request.getParameter("showType");
		if(showType==null)
			showType="";
		if(showType.equals("link")){		//对从超链接中获取的参数进行转码操作
			try {
				sqlvalue=new String(sqlvalue.getBytes("ISO-8859-1"),"gb2312");
			} catch (UnsupportedEncodingException e) {			
				sqlvalue="";
				e.printStackTrace();
			}
			searchInfo.setSqlvalue(sqlvalue);
		}
		
		session.put("subsql",subsql);
		session.put("sqlvalue",sqlvalue);
		session.put("type",type);
		
		String param="";
		String opname="";
		if(type.equals("like")){
			opname=" LIKE ";
			param="%" sqlvalue "%";			
		}
		else{		
			opname=" = ";
			param=sqlvalue;			
		}
		
		String sqlSearchAll="SELECT * FROM tb_info WHERE (" subsql opname "?) ORDER BY info_date DESC";
		String sqlSearchSub="";		
		Object[] params={param};		

		int perR=8;
		String strCurrentP=request.getParameter("showpage");
		String gowhich = "info_SearchShow.action?searchInfo.subsql=" subsql "&searchInfo.sqlvalue=" sqlvalue "&searchInfo.type=" type "&showType=link";
		
		OpDB myOp=new OpDB();
		CreatePage createPage=myOp.OpCreatePage(sqlSearchAll, params,perR,strCurrentP,gowhich);			//调用OpDB类中的OpCreatePage()方法计算出总记录数、总页数，并且设置当前页码，这些信息都封装到了createPage对象中
		
		int top1=createPage.getPerR();
		int currentP=createPage.getCurrentP();
		
		if(currentP==1){     		//显示第1页信息的SQL语句
			sqlSearchSub="SELECT * FROM tb_info WHERE (" subsql opname "?) ORDER BY info_date DESC limit 0," top1;
		}
		else{						//显示除第1页外，其他指定页码信息的SQl语句
			int top2=(currentP-1)*top1;
			sqlSearchSub="SELECT  * FROM tb_info WHERE (" subsql opname "?) AND (info_date < (SELECT MIN(info_date) FROM (SELECT info_date FROM tb_info WHERE " subsql opname "'" param "' ORDER BY info_date DESC limit 0," top2 ") AS mindate)) ORDER BY info_date DESC limit 0," top1;
//			sqlSearchSub="SELECT TOP " top1 " * FROM tb_info WHERE (" subsql opname "?) AND (info_date NOT IN (SELECT TOP " top2 " info_date FROM tb_info WHERE " subsql opname "'" param "' ORDER BY info_date DESC)) ORDER BY info_date DESC";				//另一种实现分页查询的SQL语句
		}
		
		List searchlist=myOp.OpListShow(sqlSearchSub, params);
		request.setAttribute("searchlist",searchlist);
		request.setAttribute("createpage", createPage);
		
		return SUCCESS;
	}
	
	public void validateListShow(){
		request.setAttribute("mainPage","/pages/error.jsp");
		
		String infoType=request.getParameter("infoType");
		if(infoType==null&&infoType.equals("")){
			System.out.println("请选择要查询的信息类别！");
			addFieldError("ListShowNoType",getText("city.info.listshow.no.infoType"));
		}
		else{
			try{
				Integer.parseInt(infoType);
			}catch(NumberFormatException e){
				System.out.println("信息类别不是数字格式！");
				addFieldError("ListShowWrongType",getText("city.info.listshow.format.infoType"));
				e.printStackTrace();
			}
		}
	}
	
	public void validateSingleShow(){
		request.setAttribute("mainPage","/pages/error.jsp");
		
		String id=request.getParameter("id");
		if(id==null&&id.equals("")){
			System.out.println("请选择要查看的信息！");
			addFieldError("SingleShowNoID",getText("city.info.singleshow.no.id"));
		}
		else{
			try{
				Integer.parseInt(id);
			}catch(NumberFormatException e){
				System.out.println("信息ID值不是数字格式！");
				addFieldError("ListShowWrongID",getText("city.info.listshow.format.infoID"));
				e.printStackTrace();
			}
		}
	}
	
	public void validateAdd(){	
		System.out.println("正在执行validateAdd()方法…");
		request.setAttribute("mainPage","/pages/add/addInfo.jsp");
	
		String addType=request.getParameter("addType");	
		if(addType==null||addType.equals(""))
			addType="linkTo";
		
		if(addType.equals("add")){			
			int type=infoSingle.getInfoType();
			String title=infoSingle.getInfoTitle();
			String content=infoSingle.getInfoContent();
			String phone=infoSingle.getInfoPhone();
			String linkman=infoSingle.getInfoLinkman();
			String email=infoSingle.getInfoEmail();			
			
			boolean mark=true;			
			if(type<=0){
				mark=false;
				addFieldError("typeError",getText("city.info.no.infoType"));								
			}
			if(title==null||title.equals("")){
				mark=false;
				addFieldError("titleError",getText("city.info.no.infoTitle"));
			}
			if(content==null||content.equals("")){
				mark=false;
				addFieldError("contentError",getText("city.info.no.infoContent"));
			}
			if(phone==null||phone.equals("")){
				mark=false;
				addFieldError("phoneError",getText("city.info.no.infoPhone"));
			}
			if(linkman==null||linkman.equals("")){
				mark=false;
				addFieldError("linkmanError",getText("city.info.no.infoLinkman"));
			}
			if(email==null||email.equals("")){
				mark=false;
				addFieldError("emailError",getText("city.info.no.infoEmail"));
			}
			if(mark){
				String phoneRegex="(\\d{3}-)\\d{8}|(\\d{4}-)(\\d{7}|\\d{8})|\\d{11}";
				if(phone.indexOf(",")<0){
					if(!infoSingle.getInfoPhone().matches(phoneRegex)){
						addFieldError("phoneError",getText("city.info.format.infoPhone"));
					}					
				}
				else{
					String[] phones=phone.split(",");
					for(int i=0;i<phones.length;i  ){
						if(!phones[i].matches(phoneRegex)){							
							addFieldError("phoneError",getText("city.info.format.infoPhone"));							
							break;
						}
					}
				}
				String emailRegex="\\w ([- .]\\w )*@\\w ([-.]\\w )*\\.\\w ([-.]\\w )*";
				if(!infoSingle.getInfoEmail().matches(emailRegex)){
					addFieldError("emailError",getText("city.info.format.infoEmail"));
				}				
			}
		}
	}

	public void validateSearchShow() {
		request.setAttribute("mainPage","/pages/error.jsp");		
		String subsql=searchInfo.getSubsql();
		String sqlvalue=searchInfo.getSqlvalue();
		String type=searchInfo.getType();
		
		if(subsql==null||subsql.equals("")){
			addFieldError("SearchNoC",getText("city.info.search.no.condition"));
		}
		if(sqlvalue==null||sqlvalue.equals("")){
			addFieldError("SearchNoV",getText("city.info.search.no.value"));
		}
		if(type==null||type.equals("")){
			addFieldError("SearchNoT",getText("city.info.search.no.type"));
		}
	}
}