6月27日 SSH 周三

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
    xmlns="http://java.sun.com/xml/ns/javaee" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
  <display-name></display-name> 
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.1.7//EN"
    "http://struts.apache.org/dtds/struts-2.1.7.dtd">

<struts>
    <constant name="struts.devMode" value="true"></constant>

    <package name="ssh" extends="struts-default">
        <action name="c_*" class="com.action.Action" method="{1}">
            <result name="list">/list.jsp</result>
        </action>
    </package>
</struts>

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
    "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
    "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
<session-factory>
    <!-- 驱动 -->
    <property name="connection.driver_class">
        com.mysql.jdbc.Driver
    </property>
    <!-- 连接 -->
    <property name="connection.url">
        jdbc:mysql://localhost:3306/ssh01
    </property>
    <!-- 用户名 -->
    <property name="connection.username">root</property>
    <!-- 密码 -->
    <property name="connection.password">root</property>
    <!-- 方言 -->
    <property name="dialect">
        org.hibernate.dialect.MySQLDialect
    </property>

    <!-- 自动生成表create每次加载都创建新的表/update如果有表，在原表的基础上修改；如果没有表创建新表 -->
    <property name="hibernate.hbm2ddl.auto">update</property>

    <!-- 打印sql语句 -->
    <property name="show_sql">true</property>
    <!-- sql格式化 -->
    <property name="format_sql">true</property>
    <mapping resource="com/dto/Dto.hbm.xml" />

</session-factory>
</hibernate-configuration>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:aop="http://www.springframework.org/schema/aop"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xsi:schemaLocation="
            http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

    <!-- 实例化一个SessionFactory -->
    <!-- 伪代码：
        LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
        sessionFactory.setConfigLocation("classpath:hibernate.cfg.xml");
     -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <property name="configLocation" value="classpath:hibernate.cfg.xml"></property>
    </bean>

    <!-- 实例化一个DAO -->
    <bean id="dao" class="com.dao.CarDao">
        <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>

    <!-- 实例化一个Service -->
    <bean id="service" class="com.service.CarService">
        <property name="dao" ref="dao"></property>
    </bean>

    <!-- 实例化一个事务管理器 -->
    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>

    <!-- 配置被事务管理的方法 -->
    <tx:advice id="myAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="add*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
            <tx:method name="save*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
            <tx:method name="del*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
            <tx:method name="update*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
            <tx:method name="*" read-only="true"/>
        </tx:attributes>
    </tx:advice>

    <!-- 配置事务植入的切面 -->
    <aop:config>
        <aop:advisor advice-ref="myAdvice" pointcut="execution(* com.service.*.*(..))"/>
    </aop:config>
</beans>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
    <class name="com.dto.Car" table="t_car">
        <id name="cid">
            <generator class="native"></generator>
        </id>
        <property name="cprice"></property>
        <property name="cdate"></property>
        <property name="cnum"></property>
        <many-to-one name="b" column="brand" lazy="false"></many-to-one>
    </class>
    <class name="com.dto.Brand" table="t_brand">
        <id name="bid">
            <generator class="native"></generator>
        </id>
        <property name="bname"></property>
    </class>
</hibernate-mapping>

package com.dto;

public class Car {
    private Integer cid;
    private String cprice;
    private String cdate;
    private Integer cnum;
    private Brand b;
    public Car() {
        super();
        // TODO Auto-generated constructor stub
    }
    public Car(Integer cid, String cprice, String cdate, Integer cnum, Brand b) {
        super();
        this.cid = cid;
        this.cprice = cprice;
        this.cdate = cdate;
        this.cnum = cnum;
        this.b = b;
    }
    @Override
    public String toString() {
        return "Car [cid=" + cid + ", cprice=" + cprice + ", cdate=" + cdate
                + ", cnum=" + cnum + ", b=" + b + "]";
    }
    public Integer getCid() {
        return cid;
    }
    public void setCid(Integer cid) {
        this.cid = cid;
    }
    public String getCprice() {
        return cprice;
    }
    public void setCprice(String cprice) {
        this.cprice = cprice;
    }
    public String getCdate() {
        return cdate;
    }
    public void setCdate(String cdate) {
        this.cdate = cdate;
    }
    public Integer getCnum() {
        return cnum;
    }
    public void setCnum(Integer cnum) {
        this.cnum = cnum;
    }
    public Brand getB() {
        return b;
    }
    public void setB(Brand b) {
        this.b = b;
    }

}

package com.dto;

public class Brand {
    private Integer bid;
    private String bname;
    public Brand() {
        super();
        // TODO Auto-generated constructor stub
    }
    public Brand(Integer bid, String bname) {
        super();
        this.bid = bid;
        this.bname = bname;
    }
    @Override
    public String toString() {
        return "Brand [bid=" + bid + ", bname=" + bname + "]";
    }
    public Integer getBid() {
        return bid;
    }
    public void setBid(Integer bid) {
        this.bid = bid;
    }
    public String getBname() {
        return bname;
    }
    public void setBname(String bname) {
        this.bname = bname;
    }

}

package com.action;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;

import com.alibaba.fastjson.JSONArray;
import com.dto.Car;
import com.service.CarService;
import com.util.PageUtils;

public class Action {
    private CarService service;
    private List<Car> carList;
    private Car car;
    private String ids;
    private PageUtils pu;
    private String mohu;
    private Integer cpage;

    public String list(){
        if(cpage==null){
            cpage=1;
        }
        Integer pageSize = 3;
        Integer count = service.getCount(mohu);
        pu = new PageUtils(cpage, pageSize, count);
        carList = service.findCarList(pu,mohu);
        return "list";
    }
    public void getData() throws IOException{
        List downList = service.downList();
        car = service.getCar(car);
        Map map = new HashMap();
        map.put("downList", downList);
        map.put("car", car);
        String jsonString = JSONArray.toJSONString(map);
        System.out.println(jsonString);
        HttpServletResponse response = ServletActionContext.getResponse();
        response.setCharacterEncoding("utf-8");
        response.getWriter().print(jsonString);
    }
    public void update() throws IOException{
        int i = service.update(car);
        HttpServletResponse response = ServletActionContext.getResponse();
        response.getWriter().print(i);
    }
    public void delete() throws IOException{
        System.out.println("delete");
        System.out.println("car.id值"+car.getCid());
        System.out.println(car.getCid());
        int i = service.delete(car);
        System.out.println(i);
        HttpServletResponse response = ServletActionContext.getResponse();
        response.getWriter().print(i);
    }
    public void dels() throws IOException{
        int i = service.dels(ids);
        System.out.println(i);
        HttpServletResponse response = ServletActionContext.getResponse();
        response.getWriter().print(i);
    }

    public CarService getService() {
        return service;
    }

    public void setService(CarService service) {
        this.service = service;
    }

    public List<Car> getCarList() {
        return carList;
    }

    public void setCarList(List<Car> carList) {
        this.carList = carList;
    }
    public Car getCar() {
        return car;
    }
    public void setCar(Car car) {
        this.car = car;
    }
    public String getIds() {
        return ids;
    }
    public void setIds(String ids) {
        this.ids = ids;
    }
    public PageUtils getPu() {
        return pu;
    }
    public void setPu(PageUtils pu) {
        this.pu = pu;
    }
    public String getMohu() {
        return mohu;
    }
    public void setMohu(String mohu) {
        this.mohu = mohu;
    }
    public Integer getCpage() {
        return cpage;
    }
    public void setCpage(Integer cpage) {
        this.cpage = cpage;
    }



}

package com.service;

import java.util.List;

import com.dao.CarDao;
import com.dto.Car;
import com.util.PageUtils;

public class CarService {
    private CarDao dao;

    public CarDao getDao() {
        return dao;
    }

    public void setDao(CarDao dao) {
        this.dao = dao;
    }

    public List<Car> findCarList(PageUtils pu, String mohu) {
        // TODO Auto-generated method stub
        return dao.findCarList(pu,mohu);
    }

    public Car getCar(Car car) {
        // TODO Auto-generated method stub
        return dao.getCar(car);
    }

    public List downList() {
        // TODO Auto-generated method stub
        return dao.downList();
    }

    public int update(Car car) {
        // TODO Auto-generated method stub
        return dao.update(car);
    }

    public int delete(Car car) {
        // TODO Auto-generated method stub
        return dao.delete(car);
    }

    public int dels(String ids) {
        // TODO Auto-generated method stub
        return dao.dels(ids);
    }

    public Integer getCount(String mohu) {
        // TODO Auto-generated method stub
        return dao.getCount(mohu);
    }



}

package com.dao;

import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;
import org.springframework.dao.DataAccessException;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.dto.Car;
import com.util.PageUtils;

public class CarDao extends HibernateDaoSupport{

    public List<Car> findCarList(PageUtils pu, String mohu) {
        String hql = " from Car ";
        if(mohu!=null){
            hql+=" where cdate like '%"+mohu+"%' ";
        }
        Query query = getSession().createQuery(hql).setFirstResult(pu.getStartIndex()).setMaxResults(pu.getPageSize());
        List list = query.list();
        return list;
    }

    public Car getCar(Car car) {
        // TODO Auto-generated method stub
        Car c = (Car) getHibernateTemplate().get(Car.class, car.getCid());
        return c;
    }

    public List downList() {
        // TODO Auto-generated method stub

        return getHibernateTemplate().find("from Brand");
    }

    public int update(Car car) {
        // TODO Auto-generated method stub
        try {
            getHibernateTemplate().saveOrUpdate(car);
            return 1;
        } catch (DataAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return 0;
        }
    }

    public int delete(Car car) {
        // TODO Auto-generated method stub
        System.out.println("dao-delete");
        System.out.println(car.getCid());
        try {
            System.out.println(1);
            getHibernateTemplate().delete(car);
            System.out.println(2);
            return 1;
        } catch (DataAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            System.out.println(3);
            return 0;
        }
    }

    public int dels(String ids) {
        // TODO Auto-generated method stub
        Query query = getSession().createQuery("delete from Car where cid in("+ids+")");
        int i = query.executeUpdate();
        return i;
    }

    public Integer getCount(String mohu) {
        // TODO Auto-generated method stub
//      Session session = getSession();
//      String hql = "select count(*) from Car";
//      if(mohu!=null){
//          hql+=" where cdate='%"+mohu+"%' ";
//      }
//      Query query = session.createQuery(hql);
//      Integer count = Integer.valueOf(query.toString());
//      System.out.println("count是"+count);
//      return count;
        Session session = getSession();
        String hql = "select count(*) from Car";
        if(mohu != null){
            hql += " where cdate like '%"+mohu+"%' ";
        }
        Query query = session.createQuery(hql);
        Integer count = Integer.valueOf(query.uniqueResult().toString());
        return count;
    }

}

package com.util;

public class PageUtils {

    private Integer cpage;//当前页
    private Integer pageSize;//每页展示最大条数
    private Integer count;//数据总条数
    private Integer totalPage;//总页数
    private Integer startIndex;//起始下标
    private Integer prevPage;//上一页
    private Integer nextPage;//下一页
    //使用此工具类，调用这个构造器
    public PageUtils(Integer cpage, Integer pageSize, Integer count) {
        this.cpage = cpage;
        this.pageSize = pageSize;
        this.count = count;
        calPrevPage();
        calStartIndex();
        calTotalPage();
        calNextPage();
    }
    private void calTotalPage(){//计算总页数
        this.totalPage = count/pageSize + (count%pageSize==0?0:1);
    }
    private void calStartIndex(){//计算起始下标
        this.startIndex = (cpage-1)*pageSize;
    }
    private void calPrevPage(){//计算上一页
        this.prevPage = cpage==1?1:(cpage-1);
    }
    private void calNextPage(){//计算下一页
        this.nextPage = cpage.equals(totalPage)?totalPage:(cpage+1);
    }
    public Integer getCpage() {
        return cpage;
    }
    public void setCpage(Integer cpage) {
        this.cpage = cpage;
    }
    public Integer getPageSize() {
        return pageSize;
    }
    public void setPageSize(Integer pageSize) {
        this.pageSize = pageSize;
    }
    public Integer getCount() {
        return count;
    }
    public void setCount(Integer count) {
        this.count = count;
    }
    public Integer getTotalPage() {
        return totalPage;
    }
    public void setTotalPage(Integer totalPage) {
        this.totalPage = totalPage;
    }
    public Integer getStartIndex() {
        return startIndex;
    }
    public void setStartIndex(Integer startIndex) {
        this.startIndex = startIndex;
    }
    public Integer getPrevPage() {
        return prevPage;
    }
    public void setPrevPage(Integer prevPage) {
        this.prevPage = prevPage;
    }
    public Integer getNextPage() {
        return nextPage;
    }
    public void setNextPage(Integer nextPage) {
        this.nextPage = nextPage;
    }
}

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">

    <title>My JSP 'list.jsp' starting page</title>

    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->

  <script type="text/javascript" src="js/jquery-1.8.2.js"></script>
    <script type="text/javascript">
        function del(id){

            if(confirm("删除？")){
                $.post(
                    "c_delete",
                    {"car.cid":id},
                    function (msg){

                        if(msg==1){
                            alert("删除成功");
                            location ="c_list";
                        }else{
                            alert("删除失败");
                        }
                    },"text"
                );
            }
        }

        function allcheck(){
            $(".ch").attr("checked",true);
        }
        function notcheck(){
            $(".ch").attr("checked",false);
        }
        function recheck(){
            $(".ch").each(function (){
                $(this).attr("checked",!$(this).attr("checked"));
            });
        }
        function dels(){
            var ids = "";
            $(".ch").each(function (){
                if($(this).attr("checked")){
                    ids += ","+$(this).val();
                }
            });
            ids = ids.substring(1);
            if(ids.length>0){
                $.post(
                    "c_dels",
                    {"ids":ids},
                    function (msg){
                        if(msg>0){
                            alert("删除成功");
                            location="c_list";
                        }else{
                            alert("删除失败");
                        }
                    },"text"
                );
            }else{
                alert("请选择");
            }
        }
        function mohu(cpage){
            var mohu = $("[name='mohu']").val();
            location="c_list?mohu="+mohu+"&cpage="+cpage;
        }
        function gopage(cpage){
            mohu(cpage);    
        }
    </script>
  <link rel="stylesheet" href="css/index_work.css" type="text/css"></link></head>

  <body>
  <table>
    <tr>
            <th>
                <button onclick="allcheck()">全选</button>
                <button onclick="notcheck()">不选</button>
                <button onclick="recheck()">反选</button>

                <input name="mohu" type="text" value="${mohu}">
                <input type="button" value="查询" onclick="mohu()">
            </th>
        </tr>
  </table>
    <table>
        <tr>
            <th><input type="button" value="批删" onclick="dels()"></th>
            <th>cid</th>
            <th>cprice</th>
            <th>cdate</th>
            <th>cnum</th>
            <th>bid</th>
            <th>bname</th>
            <th><input type="button" value="新增" onclick="location='update.jsp'"></th>
        </tr>
        <c:forEach  items="${carList}" var="c">
            <tr>
                <th><input type="checkbox" value="${c.cid}" class="ch"></th>
                <th>${c.cid}</th>
                <th>${c.cprice}</th>
                <th>${c.cdate}</th>
                <th>${c.cnum}</th>
                <th>${c.b.bid}</th>
                <th>${c.b.bname}</th>
                <th><input type="button" value="删除" onclick="del(${c.cid})">
                <input type="button" value="修改" onclick="location='update.jsp?id=${c.cid}'"></th>
            </tr>
        </c:forEach>
        <tr>
        <th colspan="21">
            <input type="button" value="首页" onclick="gopage(1)">
            <input type="button" value="上页" onclick="gopage(${pu.prevPage})">
            <input type="button" value="下页" onclick="gopage(${pu.nextPage})">
            <input type="button"  onclick="gopage(${pu.totalPage})" value="尾页">
            第${pu.cpage}页/共${pu.totalPage}页，总共 ${pu.count} 条记录
        </th>
        </tr>
    </table>
  </body>
</html>

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">

    <title>My JSP 'update.jsp' starting page</title>

    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->

  <script type="text/javascript" src="js/jquery-1.8.2.js"></script>
    <script type="text/javascript">
        var id = "${param.id}";
        if(id==""){
            id=-1;
        }
        $.post(
            "c_getData",
            {"car.cid":id},
            function (data){
                var downList = data.downList;
                for ( var i in downList) {
                    $("select").append("<option value="+downList[i].bid+">"+downList[i].bname+"</option>");
                }
                var car = data.car;
                $("[name='car.cid']").val(car.cid);
                $("[name='car.cprice']").val(car.cprice);
                $("[name='car.cdate']").val(car.cdate);
                $("[name='car.cnum']").val(car.cnum);
                $("[name='car.b.bid']").val(car.b.bid);
            },"json"
        );
        function sub(){
            $.post(
                "c_update",
                $("form").serialize(),
                function (msg){
                    if(msg==1){
                        alert("执行成功");
                        location="c_list";
                    }else{
                        alert("执行失败");
                    }
                },"text"
            );
        }
    </script>
  <link rel="stylesheet" href="css/index_work.css" type="text/css"></link></head>

  <body>
    <form>
        <input name="car.cid" type="hidden" type="text"><br>
        cprice:<input name="car.cprice" type="text"><br>
        cdate:<input name="car.cdate" type="text"><br>
        cnum:<input name="car.cnum" type="text"><br>
        bid:<select name="car.b.bid">

        </select>
    </form>
    <input type="button" value="提交" onclick="sub()">
  </body>
</html>

执子之手，与子偕老，是至慢境界。太多情侣双双，容易相看两厌，将慢字蹉跎成麻木。很多人是不会慢的，急急切切地速战速决，不懂得舞步蹁跹，必须后退。