SSM框架快速整合，案例演示
观看本文前，请至少保证对 Spring+Spring MVC+MyBatis 有一定的了解，并熟悉使用Maven进行项目构建。
新建一个 Maven WEB 项目
这里我只列出大致的目录结构，具体请根据自己的需求进行更改。
进行框架整合
1.编写 pom.xml 添加框架所需依赖
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.yileaf</groupId>
<artifactId>SSM</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>SSM Maven Web</name>
<!-- 统一设置设置版本号 -->
<properties>
<junit-version>4.12</junit-version>
<log4j-version>2.6.2</log4j-version>
<lombok-version>1.18.8</lombok-version>
<jackson.version>2.10.0</jackson.version>
<druid-version>1.1.20</druid-version>
<mybatis-version>3.5.3</mybatis-version>
<mybatis-spring-version>2.0.3</mybatis-spring-version>
<spring-version>5.2.1.RELEASE</spring-version>
<mysql-connector-java-version>5.1.47</mysql-connector-java-version>
</properties>
<dependencies>
<!-- spring依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring-version}</version>
</dependency>
<!--aspectj切面编程支持-->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.9.2</version>
</dependency>
<!--Jackson依赖-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- mybatis依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis-version}</version>
</dependency>
<!--mybatis-spring整合包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis-spring-version}</version>
</dependency>
<!--数据库连接驱动-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql-connector-java-version}</version>
</dependency>
<!-- druid连接池-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>${druid-version}</version>
</dependency>
<!-- lombok支持 -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok-version}</version>
<scope>provided</scope>
</dependency>
<!--servlet支持-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
<!-- 单元测试 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit-version}</version>
<scope>test</scope>
</dependency>
<!-- log4j2日志文件依赖 -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>${log4j-version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j-version}</version>
</dependency>
<!--分页插件-->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.10</version>
</dependency>
<dependency>
<groupId>com.github.jsqlparser</groupId>
<artifactId>jsqlparser</artifactId>
<version>2.0</version>
</dependency>
</dependencies>
<build>
<finalName>SSM</finalName>
<!--解决maven项目下，资源文件的读取问题-->
<resources>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
</build>
</project>
2. 编写数据库连接配置
(我这里的名字是 jdbc.properties
)
jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/demo?useSSL=false jdbc.username=root jdbc.password=AngelBeats
3. 编写 MyBatis 核心配置文件
(我这里的名字是 sqlMapConfig.xml
)
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!--配置别名-->
<typeAliases>
<!--指定包名，别名就是类名-->
<package name="com.ssm.study.entity"/>
</typeAliases>
<!--配置分页-->
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor">
<property name="reasonable" value="true"/>
</plugin>
</plugins>
</configuration>
4. 编写 Spring 核心配置文件
(我这里的名字是 applicationContext.xml
)
<?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:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<!--开启注解扫描,我这里直接扫描整个项目-->
<context:component-scan base-package="com.ssm.study">
<!--排除Controller的注解扫描，让Springmvc负责-->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 加载properties文件 -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 配置数据源 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="driverClassName" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!-- 配置sessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!--注入数据源-->
<property name="dataSource" ref="dataSource"/>
<!--加载mybatis核心配置-->
<property name="configLocation" value="classpath:sqlMapConfig.xml"/>
</bean>
<!--配置Mapper扫描,让Spring容器产生Mapper实现类-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ssm.study.mapper"/>
</bean>
<!--配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!--开启事务注解驱动-->
<tx:annotation-driven/>
</beans>
5. 编写 Spring MVC 配置文件
(我这里的名字是 spring-mvc.xml
)
<?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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!--Controller的组件扫描-->
<context:component-scan base-package="com.ssm.study.web.controller"/>
<!--mvc注解驱动-->
<mvc:annotation-driven/>
<!--开放静态资源访问-->
<mvc:default-servlet-handler/>
</beans>
6.编写 web.xml 加载我们的配置
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<!--配置监听器-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--全局初始化参数-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!--解决乱码的过滤器-->
<filter>
<filter-name>CharacterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--配置SpringMVC的核心控制器-->
<servlet>
<servlet-name>DispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--初始化加载属于spring-mvc的xml-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<!--设置启动创建对象-->
<load-on-startup>1</load-on-startup>
</servlet>
<!--配置拦截路径-->
<servlet-mapping>
<servlet-name>DispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
- 到此配置结束,环境构建完毕。
案例编码
1.编写实体类，对应数据库的字段
2.编写数据返回封装类
3.编写数据接口
4.编写 Service 层
5.编写 controller 层
6.编写前端数据展示界面(我这里使用Layui提供的动态表格进行数据展示)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>table模块快速使用</title>
<meta name="renderer" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<link rel="stylesheet" href="/layui/css/layui.css" media="all">
</head>
<body>
<div class="demoTable" style="margin: 30px 300px;">
搜索用户名：
<div class="layui-inline">
<input class="layui-input" name="name" id="demoReload" autocomplete="off">
</div>
<button class="layui-btn" data-type="reload">搜索</button>
</div>
<table class="layui-hide" id="demo"></table>
<script src="/layui/layui.js"></script>
<script>
layui.use(['table','layer'], function () {
const table = layui.table;
const layer = layui.layer;
const index = layer.load(1);//添加laoding,0-2两种方式
//获取参数
table.render({
elem: '#demo'
, height: 460
, url: '/user/findAll' //数据接口
, title: '用户表'
, page: true //开启分页
, limits: [8, 10, 20] //每页条数的选择项
, limit: 8 //每页默认显示的数量
, cols: [[ //表头
{type: 'checkbox', fixed: 'left'}
, {field: 'id', title: 'ID', width: 60, sort: true}
, {field: 'name', title: '用户名', width: 180}
, {field: 'age', title: '年龄', width: 80, sort: true}
, {field: 'birthday', title: '生日', width: 180}
, {field: 'phone', title: '联系电话', width: 160}
, {field: 'bwh', title: '三围', width: 160}
, {field: 'address', title: '联系地址', width: 200}
]]
, id: 'testReload'
, request: {
pageName: 'pageNum',//页码的参数名称，默认：page
limitName: 'pageSize' //每页数据量的参数名，默认：limit
}
, response: {
statusCode: 200,//重新规定成功的状态码为 200，table 组件默认为 0
msgName: 'message', //规定状态信息的字段名称，默认：msg
},
done: function (res) { //返回数据执行回调函数
layer.close(index); //返回数据关闭loading
}
});
let $ = layui.$, active = {
reload: function () {
const demoReload = $('#demoReload');
//执行重载
table.reload('testReload', {
page: {
curr: 1 //重新从第 1 页开始
}
, where: {
username: demoReload.val()
}
}, 'data');
}
};
$('.demoTable .layui-btn').on('click', function () {
const type = $(this).data('type');
active[type] ? active[type].call(this) : '';
});
});
</script>
</body>
</html>
案例运行效果
案例源码我存放在Frame-Study库SSM分支。地址： https://github.com/CodeHaotia...
正文到此结束
- 本文标签： 目录 classpath servlet cat NSA parse 分页 src message plugin junit mysql 测试 数据库 CSS HTML mybatis lib 监听器 sqlsession 单元测试 ssl pom find IDE App 插件 build Logging mapper JDBC root maven tar 数据 CTO SpringMVC schema ACE SqlSessionFactory 连接池 web db js UI 需求 Chrome dataSource Word bean session pagehelper apache remote https 配置 GitHub list final http Service 乱码 log4j2 java tab git map API value dependencies core Action id spring 源码 ip sql 管理 XML 参数 entity Property IO druid
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文章和留言都翻到11页了 没有OOM
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朋友，翻页到11页，及以后，会出现OOM，无法访问
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搞个gitee的项目
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版本号是多少，你可以下载哪个代码仓库，jdk选1.8 直接跑就行
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