ssm整合

首先，各种配置文件：

pom.xml

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.zit</groupId>
    <artifactId>ssm</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>ssm Maven Webapp</name>
    <dependencies>
        <!--单元测试-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <!--web servlet jsp jstl-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>4.0.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.2</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!--spring 5.1.0-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.1.0.RELEASE</version>
        </dependency>
        <!--spring-test-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>5.1.0.RELEASE</version>
        </dependency>
        <!--spring-jdbc tx-->

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>5.1.0.RELEASE</version>
        </dependency>


        <!--springmvc 5.1.0 WEBMVC WEB-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>5.1.0.RELEASE</version>
        </dependency>

        <!--springmvc commons 文件上传-->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.2</version>
        </dependency>


        <!--mybatis-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.6</version>
        </dependency>
        <!--mybatis-spring-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.2</version>
        </dependency>

        <!--mysql 8.x jdbc driver-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.11</version>
        </dependency>

        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.20</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>RELEASE</version>
            <scope>compile</scope>
        </dependency>

        <!--百度在线编辑器使用-->
        <!--  在maven安装jar文件 mvn install:install-file -DgroupId=com.baidu -DartifactId=ueditor -Dversion=1.1.3 -Dpackaging=jar-->
        <!--   <dependency>
               <groupId>com.baidu</groupId>
               <artifactId>ueditor</artifactId>
               <version>1.1.3</version>
           </dependency>-->
        <dependency>
            <groupId>com.baidu</groupId>
            <artifactId>ueditor</artifactId>
            <scope>system</scope>
            <version>1.1.3</version>
            <systemPath>
                C:/Users/Administrator.PC-20180615DRYD/.m2/repository/com/baidu/ueditor/1.1.3/ueditor-1.1.3.jar
            </systemPath>
        </dependency>
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.11</version>
        </dependency>

        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20180813</version>
        </dependency>
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper</artifactId>
            <version>5.1.6</version>
        </dependency>
        <dependency>
            <groupId>org.jfree</groupId>
            <artifactId>jfreechart</artifactId>
            <version>1.5.0</version>
        </dependency>

    </dependencies>
    <build>
        <finalName>${project.artifactId}</finalName>
        <testSourceDirectory>src/test/java</testSourceDirectory>
        <sourceDirectory>src/main/java</sourceDirectory>
        <!--处理无法加载资源配置文件-->
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                    <include>**/*.properties</include>
                </includes>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.xml</include>
                    <include>**/*.properties</include>
                </includes>
            </resource>
        </resources>
    </build>

</project>

src/main/resources:

applicationContext.xml    db.properties   mybatis-config.xml   springmvc.xml

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"
       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">
    <context:annotation-config/>
    <context:component-scan base-package="com.zit.entity"/>

    <context:property-placeholder location="classpath*:db.properties"/>
    <!-- 数据库连接池  druid -->
    <bean id="ds" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="${db.driver}"/>
        <property name="url" value="${db.url}"/>
        <property name="password" value="${db.password}"/>
        <property name="username" value="${db.username}"/>
    </bean>
    <!-- 建立sqlsessionfactory -->
    <bean id="sf" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="typeAliasesPackage" value="com.zit.entity"/>
        <property name="dataSource" ref="ds"/>
    </bean>
    <!-- 扫描mapper包 dao -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.zit.mapper"/>
        <property name="sqlSessionFactoryBeanName" value="sf"/>
    </bean>

    <!-- sqlsession -->
    <bean id="session" class="org.mybatis.spring.SqlSessionTemplate">
        <constructor-arg index="0" ref="sf"/>
    </bean>
</beans>

************************************************************************
db.properties

db.driver=com.mysql.cj.jdbc.Driver
db.url=jdbc:mysql://localhost:3306/dt_game?useUnicode=true&characterEncoding=utf8&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=PRC
db.username=root
db.password=

************************************************************************
mybatis-config.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>
    <!--加载db.peoperties-->
    <properties resource="db.properties"/>
    <settings>
        <!--延迟加载总开关-->
        <setting name="lazyLoadingEnabled" value="true"/>
        <!--设置按需加载-->
        <setting name="aggressiveLazyLoading" value="false"/>
        <setting name="logPrefix" value="dao."/>
    </settings>

    <typeAliases>
        <!--    <typeAlias type="com.zit.entity.Book" alias="bk"/>-->
        <package name="com.zit.entity"/>
    </typeAliases>


    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC"/>
            <dataSource type="POOLED">
                <property name="driver" value="${db.driver}"/>
                <property name="url" value="${db.url}"/>
                <property name="username" value="${db.username}"/>
                <property name="password" value="${db.password}"/>
            </dataSource>
        </environment>
    </environments>
    <mappers>
        <package name="com.zit.mapper"/>
    </mappers>

</configuration>


*****************************************************************************
springmvc.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">
    <!--配置自动扫描的包-->
    <context:component-scan base-package="com.zit.controller"/>
    <!-- 在没有配置mvc:resources的时候没有问题，一旦配置了mvc:resources，注解方式的url就没有加载 -->
    <mvc:annotation-driven>
        <!--  消息转换器 -->
        <mvc:message-converters register-defaults="true">
            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                <property name="supportedMediaTypes" value="text/html;charset=UTF-8"/>
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>

    <!-- springmvc commons fileupload文件上传 -->
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <!-- 104857600 代表100MB -->
        <property name="maxUploadSize" value="104857600"/>
        <property name="maxInMemorySize" value="40960"/>
        <property name="defaultEncoding" value="UTF-8"/>
    </bean>
    <!-- 解除servlet对静态资源文件访问的限制，使得静态资源先经过 -->
    <mvc:default-servlet-handler/>


    <!--配置视图解析器 如何把handler 方法返回值解析为实际的物理视图-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/template/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>


    <!-- http://localhost/abc  就执行  /WEB-INF/template/a.jsp -->
    <!--  <mvc:view-controller path="/abc" view-name="a"/>
      <mvc:view-controller path="/bar" view-name="bar"/>
      <mvc:view-controller path="/u" view-name="u"/>-->
</beans>

src/main/java/com.zit.controller

package com.zit.controller;

import com.zit.entity.Book;
import com.zit.mapper.BookMapper;
import lombok.Data;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;


@Data
@Controller
public class Indexcontroller {
    @Autowired
    private BookMapper bm;

    @RequestMapping("/")
    public String inext(Model model) {
        model.addAttribute("books", bm.query());
        return "index";
    }

    @GetMapping("/add")
    public void add() {

    }

    @PostMapping("/save")
    public String save(Book book) {
        bm.add(book);
        return "redirect:/";
    }

    @RequestMapping("/del/{id}")
    public String del(@PathVariable("id") int id) {
        bm.deleteById(id);
        return "redirect:/";
    }

}

com.zit.entity

package com.zit.entity;

import lombok.Data;
import org.springframework.format.annotation.DateTimeFormat;

import java.math.BigDecimal;
import java.util.Date;

@Data
public class Book {
    private int id;
    private String name;
    private BigDecimal price;
    @DateTimeFormat(pattern = "yyyy-MM-dd")
    private Date btime;
}

com.zit.mapper

package com.zit.mapper;

import com.zit.entity.Book;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Select;

import java.util.List;

public interface BookMapper {
    @Select("select * from book")
    public List<Book> query();


    public Book queryById(int id);


    @Delete("delete from book where id=#{id}")
    public int deleteById(int id);

    @Insert("insert into book values(null,#{name},#{price},#{btime})")
    public int add(Book book);


}

*************************************************************
BookMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.zit.mapper.BookMapper">


    <select id="queryById" resultType="book" parameterType="int">
        select * from book where id=#{id}
    </select>
</mapper>

src/webapp/东西比较乱，等会上传 一个包。。