原文:https://www.cnblogs.com/mufengforward/p/9198612.html
为开发一个测试程序,特搭建一个简单的ssm框架,因为网上看到很多都是比较老旧的教程,很多包都不能用了,eclipes搭建并且其中还附带了很多的其他东西,所以特此记录一下mac中idea搭建过程。
以下为一步步操作,详细可循,完全学习了白居易写诗的风格,堪称傻瓜教程。
不是必须的,保证项目运行只要有这些东西就行,可以不一样
mac下idea,maven3.6.0,jdk1.8,tomcat8,mysql5.7
选择你的项目,点击右下角 open
选择maven,一路next下去,最后点击神圣的finish按钮,OK。(可能无此步骤,没有则忽略)
选择,点击右下 OK按钮
最终想要得到的结果如下图:
添加配置tomcat
添加刚才生成的包
最后点击,apply,ok,好了完事了,准备运行吧
运行成功,页面显示默认生成的index.jsp的内容
<?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.test</groupId>
<artifactId>test</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<org.springframework.version>4.3.7.RELEASE</org.springframework.version>
<mybatis.version>3.5.0</mybatis.version>
</properties>
<dependencies>
<!-- Spring最新的包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!--Spriing jdbc-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.7.4</version>
</dependency>
<!-- mysql连接 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.26</version>
</dependency>
<!--数据库连接池druid-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.11</version>
</dependency>
<!-- mybatis依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<!-- 事务的配置标签 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.3.7.RELEASE</version>
</dependency>
<!-- json -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.5.0</version>
</dependency>
<!-- lombok插件通过@data注解 实现省略写getset方法 -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.0</version>
</dependency>
<!-- json 包 fastjson -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.1.39</version>
</dependency>
<!--单元测试-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<!-- log日志 -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.14</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.6.1</version>
</dependency>
<!--文件上传下载 commons-->
<!--<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.2.1</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.2</version>
</dependency>-->
</dependencies>
<build>
<resources>
<resource>
<directory>src/main/java</directory>
<excludes>
<exclude>**/*.java</exclude>
</excludes>
</resource>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
</includes>
</resource>
</resources>
<plugins>
<!--编译代码插件-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<!-- 设置JDK版本 -->
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
<fork>false</fork>
</configuration>
</plugin>
</plugins>
</build>
</project>
如果想要自己添加jar包,可以在WEB-INF中新建lib文件夹,然后放入你的jar包(poom依赖下载的jar包编译过后其实也就是在编译包下的lib文件夹中)
每次更改poom依赖后,记得更新jar包,一般右下角都会弹出更新提示
<?xml version="1.0" encoding="UTF-8"?>
<web-app 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_3_0.xsd"
version="3.0">
<!-- 编码过滤器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<async-supported>true</async-supported>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Spring监听器 监听加载相关配置文件-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--防止Spring内存溢出监听器-->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<!--spring的其他配置文件(包括mybatis配置文件) -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath*:spring-applicationContext.xml
</param-value>
</context-param>
<!--log4j日志-->
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>
classpath:log4j.xml
</param-value>
</context-param>
<!--Spring MVC servlet-->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 访问根路径时的默认访问页面,从上到下匹配 -->
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
<welcome-file>/index.html</welcome-file>
<welcome-file>/reg.html</welcome-file>
</welcome-file-list>
</web-app>
其中包括了编码过滤、监听器、springmvc配置、spring容器中其他配置包括mybatis等、log4j配置、项目访问默认欢迎页,如需添加自定义过滤器,也许在此配置
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"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:task="http://www.springframework.org/schema/task"
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
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/task
http://www.springframework.org/schema/task/spring-task-3.0.xsd">
<!--开启springMVC注解模式-->
<mvc:annotation-driven />
<aop:aspectj-autoproxy proxy-target-class="true"/>
<!-- 自动扫描,完成bean创建和自动依赖注入-->
<context:component-scan base-package="com.test" />
<!--避免IE执行AJAX时,返回JSON出现下载文件 -->
<bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
</list>
</property>
</bean>
<!-- 启动SpringMVC的注解功能,完成请求和注解POJO的映射 -->
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/>
<ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->
</list>
</property>
</bean>
<!-- 对模型视图名称的解析,即在模型视图名称添加前后缀 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 查找视图页面的前缀和后缀 -->
<property name="prefix" value="/" />
<property name="suffix" value=".html" />
</bean>
<!--<!–对上传文件的支持,springMVC其实是用common-upload来实现 –>
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!–设置上传文件的最大值,这里是字节–>
<property name="maxUploadSize" value="102400000"></property> <!– 100M –>
<property name="defaultEncoding" value="utf-8"></property>
</bean>-->
<!-- 总错误处理-->
<bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
<!--<property name="defaultErrorView">
<value>/base/error</value>
</property>-->
<property name="defaultStatusCode">
<value>500</value>
</property>
<property name="warnLogCategory">
<value>org.springframework.web.servlet.handler.SimpleMappingExceptionResolver</value>
</property>
</bean>
<!--静态资源配置-->
<mvc:default-servlet-handler/>
<!--定时器配置-->
<task:executor id="executor" pool-size="5" />
<task:scheduler id="scheduler" pool-size="10" />
<task:annotation-driven executor="executor" scheduler="scheduler" />
</beans>
spring-applicationContext 后来的其他配置文件也可以在这个里边引入比如:shiro、redis集群、cache-redis缓存、自定义组件等等(优点:不用再去动web.xml的配置)
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd">
<!--mybatis配置-->
<import resource="classpath*:spring-mybatis.xml"/>
</beans>
spring-mybatis.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"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd">
<!-- 自动扫描,Bean注入 -->
<context:component-scan base-package="com.test"/>
<!-- 读取配置文件信息 -->
<context:property-placeholder ignore-unresolvable="true" location="classpath:jdbc.properties"/>
<bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!-- 数据库基本配置 -->
<property name="driverClassName" value="${jdbc.driver}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<!-- 初始化连接数量 -->
<property name="initialSize" value="${jdbc.initialSize}"/>
<!-- 最大并发连接数量 -->
<property name="maxActive" value="${jdbc.maxActive}"/>
<!-- 最小空闲连接数 -->
<property name="minIdle" value="${jdbc.minIdle}"/>
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="${jdbc.maxWait}" />
<!-- 超过时间限制是否回收 -->
<property name="removeAbandoned" value="${jdbc.removeAbandoned}" />
<!-- 超过时间限制多长 -->
<property name="removeAbandonedTimeout" value="${jdbc.removeAbandonedTimeout}" />
<!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="${jdbc.timeBetweenEvictionRunsMillis}" />
<!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="${jdbc.minEvictableIdleTimeMillis}" />
<!-- 用来检测连接是否有效的sql,要求是一个查询语句-->
<property name="validationQuery" value="${jdbc.validationQuery}" />
<!-- 申请连接的时候检测 -->
<property name="testWhileIdle" value="${jdbc.testWhileIdle}" />
<!-- 申请连接时执行validationQuery检测连接是否有效,配置为true会降低性能 -->
<property name="testOnBorrow" value="${jdbc.testOnBorrow}" />
<!-- 归还连接时执行validationQuery检测连接是否有效,配置为true会降低性能 -->
<property name="testOnReturn" value="${jdbc.testOnReturn}" />
<property name="logAbandoned" value="true" />
<!-- 配置监控统计拦截的filters,wall用于防止sql注入,stat用于统计分析 -->
<property name="filters" value="stat" />
</bean>
<!-- MyBatis SqlSessionFactoryBean 配置 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!-- 自动扫描Mapping.xml文件 -->
<property name="mapperLocations" value="classpath:com/test/mapper/xml/*.xml"/>
<!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<!-- 扫描model包 xml中parameterType就可以使用类名,不用全路径 -->
<property name="typeAliasesPackage" value="com.test.model"/>
</bean>
<!-- 加载 mapper.xml对应的接口 配置文件 -->
<bean id="mapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 给出需要扫描mapper接口包 -->
<property name="basePackage" value="com.test.mapper"/>
<!-- 注入sqlSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
</bean>
<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>
mybatis-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD SQL Map Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<!--
| plugins在配置文件中的位置必须符合要求,否则会报错,顺序如下:
| properties?, settings?,
| typeAliases?, typeHandlers?,
| objectFactory?,objectWrapperFactory?,
| plugins?,
| environments?, databaseIdProvider?, mappers?
|-->
<configuration>
<!--
| 全局配置设置
|
| 可配置选项 默认值, 描述
|
| aggressiveLazyLoading true, 当设置为‘true’的时候,懒加载的对象可能被任何懒属性全部加载。否则,每个属性都按需加载。
| multipleResultSetsEnabled true, 允许和不允许单条语句返回多个数据集(取决于驱动需求)
| useColumnLabel true, 使用列标签代替列名称。不同的驱动器有不同的作法。参考一下驱动器文档,或者用这两个不同的选项进行测试一下。
| useGeneratedKeys false, 允许JDBC 生成主键。需要驱动器支持。如果设为了true,这个设置将强制使用被生成的主键,有一些驱动器不兼容不过仍然可以执行。
| autoMappingBehavior PARTIAL, 指定MyBatis 是否并且如何来自动映射数据表字段与对象的属性。PARTIAL将只自动映射简单的,没有嵌套的结果。FULL 将自动映射所有复杂的结果。
| defaultExecutorType SIMPLE, 配置和设定执行器,SIMPLE 执行器执行其它语句。REUSE 执行器可能重复使用prepared statements 语句,BATCH执行器可以重复执行语句和批量更新。
| defaultStatementTimeout null, 设置一个时限,以决定让驱动器等待数据库回应的多长时间为超时
| -->
<settings>
<!-- 这个配置使全局的映射器启用或禁用缓存 -->
<setting name="cacheEnabled" value="true"/>
<!-- 全局启用或禁用延迟加载。当禁用时,所有关联对象都会即时加载 -->
<setting name="lazyLoadingEnabled" value="true"/>
<setting name="multipleResultSetsEnabled" value="true"/>
<setting name="useColumnLabel" value="true"/>
<setting name="defaultExecutorType" value="REUSE"/>
<setting name="defaultStatementTimeout" value="25000"/>
<!-- 让控制台打印sql语句,注释掉则没有 -->
<setting name="logImpl" value="STDOUT_LOGGING" />
<setting name="callSettersOnNulls" value="true" />
</settings>
</configuration>
jdbc.properties
#mysql
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://192.168.0.156:3306/test?useUnicode=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password=root
jdbc.initialSize=3
jdbc.maxActive=1000
jdbc.minIdle=0
jdbc.maxWait=6000
jdbc.removeAbandoned=true
jdbc.removeAbandonedTimeout=1800
jdbc.timeBetweenEvictionRunsMillis=60000
jdbc.minEvictableIdleTimeMillis=25200000
jdbc.validationQuery=select getdate()
jdbc.testWhileIdle=false
jdbc.testOnBorrow=false
jdbc.testOnReturn=false
log4j.xml
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'>
<!--ConsoleAppender:输出到控制台-->
<appender name="STDOUT" class="org.apache.log4j.ConsoleAppender">
<!--<param name="encoding" value="UTF-8"/>-->
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d [%t] %p - %m%n"/>
</layout>
<filter class="org.apache.log4j.varia.LevelRangeFilter">
<!-- 设置日志输出的最小级别 -->
<param name="levelMin" value="DEBUG" />
<!-- 设置日志输出的最大级别 -->
<param name="levelMax" value="FATAL" />
<!-- 设置日志输出的xxx,默认是false -->
<param name="AcceptOnMatch" value="true" />
</filter>
</appender>
<!--输出到日志文件-->
<appender name="PROJECT" class="org.apache.log4j.DailyRollingFileAppender">
<!-- 设置日志信息输出文件全路径名 -->
<param name="file" value="${catalina.home}/logs/ceshi/info.log"/>
<!--日志文件编码-->
<param name="encoding" value="UTF-8"/>
<!--此日志文件级别-->
<param name="threshold" value="info"/>
<!-- 设置是否在重新启动服务时,在原有日志的基础添加新日志 -->
<param name="Append" value="true" />
<!-- 设置保存备份回滚日志的最大个数 -->
<param name="MaxBackupIndex" value="10" />
<!-- 设置当日志文件达到此阈值的时候自动回滚,单位可以是KB,MB,GB,默认单位是KB -->
<param name="MaxFileSize" value="50MB" />
<!-- 设置日志输出的样式 -->
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d [%X{requestURIWithQueryString}] %-5p %c{2} - %m%n"/>
</layout>
</appender>
<appender name="PROJECT-ERROR" class="org.apache.log4j.DailyRollingFileAppender">
<param name="file" value="${catalina.home}/logs/ceshi/error.log"/>
<param name="append" value="true"/>
<param name="encoding" value="UTF-8"/>
<param name="threshold" value="error"/>
<param name="MaxBackupIndex" value="10" />
<param name="MaxFileSize" value="50MB" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d [%X{requestURIWithQueryString}] %-5p %c{2} - %m%n"/>
</layout>
</appender>
<!--开发测试使用debug级别-->
<appender name="PROJECT-DEBUG" class="org.apache.log4j.DailyRollingFileAppender">
<param name="file" value="${catalina.home}/logs/ceshi/debug.log"/>
<param name="append" value="false"/>
<param name="encoding" value="UTF-8"/>
<param name="threshold" value="debug"/>
<param name="MaxBackupIndex" value="10" />
<param name="MaxFileSize" value="50MB" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d [%X{requestURIWithQueryString}] %-5p %c{2} - %m%n"/>
</layout>
</appender>
<!--总的日志级别-->
<root>
<level value="DEBUG"/>
<appender-ref ref="PROJECT"/>
<appender-ref ref="PROJECT-DEBUG"/>
<appender-ref ref="PROJECT-ERROR"/>
<appender-ref ref="STDOUT"/>
</root>
</log4j:configuration>
好了,经过以上一套噼里啪啦的操作,配置基本算是好了,接下来让我们写代码检验一下我们的配置到底对不对呢,激动人心的时刻就要来了
新建完结构如图所示
实体类:TpmTestLog.java
package com.test.model;
import lombok.Data;
import java.io.Serializable;
/**
* @TpmTestLog
* @(TPM_TEST_LOG)
* @version : Ver 1.0
*/
@Data
public class TpmTestLog implements Serializable {
/**
* @备注: 主键
* @字段:LOG_UUID bigint
*/
private Long logUuid;
/**
* @备注:
* @字段:TESTMAIN_UUID CHAR(32)
*/
private String testmainUuid;
/**
* @备注:
* @字段:OPERATION VARCHAR(20)
*/
private String operation;
/**
* @备注:
* @字段:SYSCREATEDATE VARCHAR(25)
*/
private String syscreatedate;
}
数据库交互层dao接口:TpmTestLogMapper.java
package com.test.mapper;
import com.test.model.TpmTestLog;
/**
* @TpmTestLogMapper
* @Mapper
* @version : Ver 1.0
*/
public interface TpmTestLogMapper {
Long insert(TpmTestLog tpmTestLog);
}
对应的xml:TpmTestLogMapper.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.test.mapper.TpmTestLogMapper">
<resultMap type="com.test.model.TpmTestLog" id="mTpmTestLog" autoMapping="true">
</resultMap>
<sql id="mTpmTestLogSql">
LOG_UUID AS logUuid,
TESTMAIN_UUID AS testmainUuid,
OPERATION AS operation,
SYSCREATEDATE AS syscreatedate
</sql>
<insert id="insert" parameterType="TpmTestLog" useGeneratedKeys="true" keyProperty="logUuid">
INSERT INTO TPM_TEST_LOG (LOG_UUID,
TESTMAIN_UUID,
OPERATION,
SYSCREATEDATE)
VALUES (#{logUuid},
#{testmainUuid},
#{operation},
#{syscreatedate})
</insert>
</mapper>
业务层接口类sercice:TpmTestLogService.java
package com.test.service;
import com.test.model.TpmTestLog;
/**
* @TpmTestLogService
* @Service
* @version : Ver 1.0
*/
public interface TpmTestLogService{
Long ceshi(TpmTestLog tpmTestLog);
}
业务层的实现类impl:TpmTestLogServiceImpl.java
package com.test.service.impl;
import com.test.mapper.TpmTestLogMapper;
import com.test.model.TpmTestLog;
import com.test.service.TpmTestLogService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
/**
* @TpmTestLogServiceImpl
* @ServiceImpl
* @version : Ver 1.0
*/
@Service
@Transactional
public class TpmTestLogServiceImpl implements TpmTestLogService {
@Autowired
private TpmTestLogMapper tpmTestLogMapper;
@Override
public Long ceshi(TpmTestLog tpmTestLog) {
return tpmTestLogMapper.insert(tpmTestLog);
}
}
接口逻辑层controller:TestController.java
package com.test.controller;
import com.alibaba.fastjson.JSONObject;
import com.test.model.TpmTestLog;
import com.test.service.TpmTestLogService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("/api")
public class TestController {
@Autowired
private TpmTestLogService tpmTestLogService;
@GetMapping("/test")
public JSONObject test(){
JSONObject jsonObject = new JSONObject();
TpmTestLog tpmTestLog = new TpmTestLog();
tpmTestLog.setSyscreatedate("asfasgags");
tpmTestLog.setTestmainUuid("fdasgassfsarew");
tpmTestLog.setOperation("新增");
tpmTestLogService.ceshi(tpmTestLog);
jsonObject.put("title", "测试成功" + tpmTestLog.getLogUuid());
return jsonObject;
}
}
SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for `TPM_TEST_LOG`
-- ----------------------------
DROP TABLE IF EXISTS `TPM_TEST_LOG`;
CREATE TABLE `TPM_TEST_LOG` (
`LOG_UUID` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
`TESTMAIN_UUID` varchar(32) COLLATE utf8_bin DEFAULT NULL,
`OPERATION` varchar(20) COLLATE utf8_bin DEFAULT NULL,
`SYSCREATEDATE` varchar(25) COLLATE utf8_bin DEFAULT NULL,
PRIMARY KEY (`LOG_UUID`)
) ENGINE=InnoDB AUTO_INCREMENT=26 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
SET FOREIGN_KEY_CHECKS = 1;
前边生成的index.jsp我们稍加改动
<html>
<body>
<h2>Hello World!</h2>
<script src="./js/jquery.min.js"></script>
<script>
$(function(){
$(document).ready(function(){
$.getJSON("/api/test",function(res){
console.log(res)
$("h2").text(res.title)
});
})
})
</script>
</body>
</html>
由于页面中引用了万能的jquery语法,所以在webapp下新建js文件夹,并放入jquery文件,点击下载
不要问为什么要用jquery,怎么不用原生js,因为我愿意。
好吧,其实是为了代码的简洁高效,毕竟封装了很多方法,让我们可以更注重逻辑
当然原生的也不是不能写,下面是原生的js方法,只需将此方法放入index.jsp里边的script标签中即可,如果没有引入jquery,记得注释掉原来的方法
window.onload = function () {
//步骤一:创建异步对象
var ajax = new XMLHttpRequest();
//步骤二:设置请求的url参数,参数一是请求的类型,参数二是请求的url,可以带参数,动态的传递参数starName到服务端
ajax.open('get', '/api/test');
//步骤三:发送请求
ajax.send();
//步骤四:注册事件 onreadystatechange 状态改变就会调用
ajax.onreadystatechange = function () {
if (ajax.readyState == 4 && ajax.status == 200) {
//步骤五 如果能够进到这个判断 说明 数据 完美的回来了,并且请求的页面是存在的
console.log(ajax.responseText);//输入相应的内容
console.log(JSON.parse(ajax.responseText).title);
console.log(document.getElementsByTagName("h2")[0])
document.getElementsByTagName("h2")[0].innerText = JSON.parse(ajax.responseText).title;
}
}
}
后台经过与数据库交互后,把插入数据库后生成的主键4返回给前端,前端显示在页面中
到这里这个简单的ssm框架就算搭建完成了,看起来过程很长,但实际操作起来应该是很快的,有问题欢迎留言,大家可以一起探讨!
码字不易,且行且珍惜,如发现问题,欢迎指正,java深似海,小白在路上!
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