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最新推荐文章于 2025-03-16 14:27:39 发布

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本文介绍了一个基于Spring MVC和MyBatis的简单应用案例，包括如何配置数据源、会话工厂、事务管理器等核心组件，并展示了具体的Controller实现及前端页面交互。

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app_base.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:p="http://www.springframework.org/schema/p"
        xmlns="http://www.springframework.org/schema/beans"
        xmlns:aop="http://www.springframework.org/schema/aop"
        xmlns:context="http://www.springframework.org/schema/context"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
                            http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
                            http://www.springframework.org/schema/aop
                            http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
                            http://www.springframework.org/schema/context
                            http://www.springframework.org/schema/context/spring-context-4.2.xsd
                            http://www.springframework.org/schema/tx
                            http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
                            http://www.springframework.org/schema/mvc   
                            http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd">  

    <!-- 创建数据源 -->
    <bean id="data" class="org.apache.commons.dbcp2.BasicDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
        <property name="url" value="jdbc:mysql://localhost:3306/j122?characterEncoding=utf-8&amp;allowMultiQueries=true&amp;useSSL=false"></property>
        <property name="username" value="root"></property>
        <property name="password" value="99233"></property>
        <property name="maxTotal" value="100"></property>
        <property name="maxIdle" value="20"></property>
        <property name="maxWaitMillis" value="2000"></property>
    </bean>

    <!-- 创建会话工厂 -->
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="data"></property>
        <property name="configLocation" value="classpath:mybatis.cfg.xml"></property>
        <property name="mapperLocations">
            <list>
                <value>classpath:orm/*.xml</value>
            </list>
        </property> 
    </bean>

    <!-- 配置会话 -->
    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate" scope="prototype">
        <constructor-arg ref="sessionFactory"></constructor-arg>
    </bean>

    <!-- 配置事务管理器 -->
    <bean id="trans" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="data"></property>
    </bean>

    <!-- 允许使用注解配置事务 -->
    <tx:annotation-driven transaction-manager="trans"/> 

    <!-- 扫描指定包中的spring注解类 -->
    <context:component-scan base-package="com.lovo.service"></context:component-scan>
</beans>

app_mvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:p="http://www.springframework.org/schema/p"
        xmlns="http://www.springframework.org/schema/beans"
        xmlns:aop="http://www.springframework.org/schema/aop"
        xmlns:context="http://www.springframework.org/schema/context"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
                            http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
                            http://www.springframework.org/schema/aop
                            http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
                            http://www.springframework.org/schema/context
                            http://www.springframework.org/schema/context/spring-context-4.2.xsd
                            http://www.springframework.org/schema/tx
                            http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
                            http://www.springframework.org/schema/mvc   
                            http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd">  

    <mvc:annotation-driven></mvc:annotation-driven>
    <!-- 静态资源交给默认处理器处理 -->
    <mvc:default-servlet-handler/>
    <context:component-scan base-package="com.lovo.action"></context:component-scan>        
</beans>

mybatis.cfg.xml同ssm

orm同sam

web.xml同ssm

action

package com.lovo.action;


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

import org.codehaus.jackson.map.ObjectMapper;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import com.lovo.bean.CutPageBean;
import com.lovo.bean.MessageBean;
import com.lovo.service.IMessageService;

@Controller
@RequestMapping("/message")
public class MessageAction {
    @Resource
    private IMessageService service;

    //method=RequestMethod.GET 表示该方法只支持GET请求
    @RequestMapping(value="/findByItem",method=RequestMethod.GET)
    public void findByItem(int pageNum,String userName,String tel,HttpServletResponse response)throws Exception{
        CutPageBean<MessageBean> cutPageBean = service.findByItem(pageNum, userName, tel);
        ObjectMapper mapper = new ObjectMapper();
        mapper.writeValue(response.getWriter(), cutPageBean);
    }

    @RequestMapping(value="/add",method=RequestMethod.POST)
    public void add(MessageBean bean,HttpServletResponse response) throws Exception{
        service.add(bean);
        response.getWriter().print("添加成功");
    }

    @RequestMapping(value="/del/{id}",method=RequestMethod.DELETE)
    public void del(@PathVariable("id") int id,HttpServletResponse response)throws Exception{
        service.del(id);
        response.getWriter().print("删除成功");

    }

    @RequestMapping(value="/findById",method=RequestMethod.GET)
    public void findById(int id, HttpServletResponse response)throws Exception {
        MessageBean bean = service.findById(id);
        ObjectMapper mapper = new ObjectMapper();
        mapper.writeValue(response.getWriter(), bean);
    }

    @RequestMapping(value="/update/{id}",method=RequestMethod.PUT)
    public void update(@PathVariable("id") int id,String tel,HttpServletResponse response)throws Exception{
        service.update(id, tel);
        response.getWriter().print("修改成功");
    }
}

html

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="/rest/js/jquery-1.12.1.js"></script>
<script type="text/javascript">
    $(function () {
        ajax(1);
    });
    function ajax(pageNum) {
        $.get("/rest/message/findByItem","pageNum="+pageNum+"&"+$("#f1").serialize(),function(dataObj){
                //alert(JSON.stringify(dataObj));
                var str = "";
                for(var i=0;i<dataObj.list.length;i++){
                    var obj = dataObj.list[i];
                    str += "<tr><td>"+obj.userName+
                       "</td><td>"+obj.tel+"</td><td>"+
                       "&nbsp;&nbsp;&nbsp;<a href='javascript:del("+obj.id+")'>删除</a>"+
                       "&nbsp;&nbsp;&nbsp;<a href='/rest/update.html?id="+obj.id+"'>修改</a></td></tr>";
                }
                $("#data").html(str);

                var cutStr = "";
                for (var i = 1; i <= dataObj.totalPage; i++) {
                    cutStr += "<a href='javascript:ajax("+i+")'>"+i+"</a>";
                }
                $("#cutPageDiv").html(cutStr);     

        },"json");
    }

    function del(id){
        $.ajax({
            type:"DELETE",
            url:"/rest/message/del/"+id,
            success:function(info){
                if (info == "删除成功") {
                    ajax(1);
                }else{
                    alert("删除异常");
                }
            }
        });
    }
</script>
</head>
<body>

    <table border="1" cellspacing="0" width="60%">
        <thead>
            <tr>
                <td>姓名</td>
                <td>电话</td>
                <td>操作</td>
            </tr>
        </thead>
        <tbody id="data"></tbody>
    </table>
    <div id="cutPageDiv"></div>

    <form action="" id="f1">
        姓名：<input type="text" name="userName"><br>
        电话：<input type="text" name="tel"><br>
            <input type="button" value="查询" onclick="ajax(1)">
    </form>

    <a href="/rest/add.html">添加用户</a>

</body>
</html>