页面阅读量点击加一功能（js+java）

  
<div class="operate_div">
				<ul>
					<li>来源：<span>%{tableTr.source}</span></li>
					<li>作者：<span>%{tableTr.author}</span></li>
					<li>审核：<span>%{tableTr.news_check}</span></li>
					<li>日期：<span>%{tableTr.creation_date}</span></li>
					<li>点击数：<span>%{tableTr.click_num+1}</span></li>
				</ul>
			</div>

  
$(function(){
	var location = window.location.search;
    var index = location.indexOf("=");
    var id = location.slice(index+1);
    $.ajax({
		url:'/CDKQ/loadClickNum.svt',
		type:'post',
		data:{"cdkql_news_id":id},
    	success:function(){
    		
    	}
	});
	
})

  
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.SQLQuery;
import com.sunsheen.jfids.system.base.composite.data.query.QueryParameterImpl;
import com.sunsheen.jfids.system.database.IdsSession;
import com.sunsheen.jfids.system.servlet.Servlet;
import com.sunsheen.jfids.util.IdsDataBaseUtil;
@SuppressWarnings("serial")
@Servlet(value="/loadClickNum.svt", anonymous=true)
public class loadClickNumServlet extends HttpServlet {
/*该servlet用于浏览量的增加*/
	
private static final long serialVersionUID = 1L;
	
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		
		//获取前台参数
		String cdkql_news_id = req.getParameter("cdkql_news_id");
		//初始化sql变量
		String sql = null;
		
		//将前台参数保存在map中
		Map<String, String> map = new HashMap<String, String>();
		map.put("cdkql_news_id", cdkql_news_id);
		
		sql ="update cdkql_news set click_num=click_num+1 WHERE cdkql_news_id=:cdkql_news_id";//增加浏览量
	
		IdsSession session = IdsDataBaseUtil.getHibernateSession();
		try {
			session.beginTransaction();//开启事务
			SQLQuery query = session.createSQLQuery(sql);
			new QueryParameterImpl().initParameter(query, map);
			query.executeUpdate();
			
			session.commit();
		} catch (Exception e) {
			session.rollback();//回到初始状态
		} finally{
			session.close();//关闭事务
		}
	}
	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		doGet(req, resp);
	}
	
}