Maven web 專案 簡單的登入功能實現
阿新 • • 發佈:2018-12-14
用IDEA構建一個空的Maven web專案
下一步 直到建立完畢
搭建環境
pom.xm 檔案新增依賴
pom.xml 檔案如下:
<?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.bohua</groupId> <artifactId>ceshi</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <name>ceshi Maven Webapp</name> <!-- FIXME change it to the project's website --> <url>http://www.example.com</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>1.7</maven.compiler.source> <maven.compiler.target>1.7</maven.compiler.target> <spring.version>4.3.5.RELEASE</spring.version> </properties> <dependencies> <!-- 在這裡編寫依賴資訊 --> <!-- spring 的依賴 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> <!-- 版本號 --> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <!-- 引入日誌 --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <!-- mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.6</version> </dependency> <!-- mybatis和spring整合 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.2</version> </dependency> <!-- mybatis分頁外掛 --> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</artifactId> <version>3.2.3</version> </dependency> <!-- mysql 驅動的依賴 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency> <!-- 上傳檔案 --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.2</version> </dependency> <!-- 後臺驗證 --> <dependency> <groupId>org.hibernate.validator</groupId> <artifactId>hibernate-validator</artifactId> <version>6.0.9.Final</version> </dependency> <!-- json 處理 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.44</version> </dependency> <!-- jstl --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- servlet api --> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> </dependency> <!-- 資料來源 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.9</version> </dependency> <!-- java奇淫巧技,可以簡化get set 操作 --> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.16.12</version> </dependency> <!-- java工具包 --> <dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-all</artifactId> <version>4.1.1</version> </dependency> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> </dependencies> <build> <finalName>ceshi</finalName> <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) --> <plugins> <plugin> <artifactId>maven-clean-plugin</artifactId> <version>3.0.0</version> </plugin> <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging --> <plugin> <artifactId>maven-resources-plugin</artifactId> <version>3.0.2</version> </plugin> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.7.0</version> </plugin> <plugin> <artifactId>maven-surefire-plugin</artifactId> <version>2.20.1</version> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>3.2.0</version> </plugin> <plugin> <artifactId>maven-install-plugin</artifactId> <version>2.5.2</version> </plugin> <plugin> <artifactId>maven-deploy-plugin</artifactId> <version>2.8.2</version> </plugin> </plugins> </pluginManagement> <plugins> <!-- mybatis程式碼生成外掛 --> <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.2</version> <configuration> <!--<!–配置檔案的位置–>--> <configurationFile>src/main/resources/generatorConfig.xml</configurationFile> <verbose>true</verbose> <overwrite>true</overwrite> </configuration> <executions> <execution> <id>Generate MyBatis Artifacts</id> <goals> <goal>generate</goal> </goals> </execution> </executions> <dependencies> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.2</version> </dependency> </dependencies> </plugin> </plugins> </build> </project>
建立對應的目錄
完成之後寫配置檔案
applicationContext.xml 如下:
<?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: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/aop http://www.springframework.org/schema/aop/spring-aop.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"> <import resource="classpath:applicationContext-mybatis.xml"/> <!-- spring註解方式執行依賴注入 --> <context:component-scan base-package="com.bohua.service"/> <!-- 修改成自己的service所在--> </beans>
applicationContext-mybatis.xml 如下:
<?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: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/aop http://www.springframework.org/schema/aop/spring-aop.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"> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location"> <value>classpath:database.properties</value> </property> </bean> <!-- 配置一個數據源 --> <bean class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close" id="dataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="url" value="jdbc:mysql://127.0.0.1:3306/ceshi<!-- 修改成自己的資料庫名稱-->?useUnicode=true&characterEncoding=utf-8"/> <property name="username" value="root"/> <property name="password" value="root"/> <!-- 配置初始化大小、最小、最大 --> <property name="initialSize" value="1" /> <property name="minIdle" value="1" /> <property name="maxActive" value="10" /> <!-- 配置獲取連線等待超時的時間 --> <property name="maxWait" value="10000" /> <!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閒連線,單位是毫秒 --> <property name="timeBetweenEvictionRunsMillis" value="60000" /> <!-- 配置一個連線在池中最小生存的時間,單位是毫秒 --> <property name="minEvictableIdleTimeMillis" value="300000" /> <property name="testWhileIdle" value="true" /> <!-- 這裡建議配置為TRUE,防止取到的連線不可用 --> <property name="testOnBorrow" value="true" /> <property name="testOnReturn" value="false" /> <!-- 開啟PSCache,並且指定每個連線上PSCache的大小 --> <property name="poolPreparedStatements" value="true" /> <property name="maxPoolPreparedStatementPerConnectionSize" value="20" /> <!-- 這裡配置提交方式,預設就是TRUE,可以不用配置 --> <property name="defaultAutoCommit" value="true" /> <!-- 驗證連線有效與否的SQL,不同的資料配置不同 --> <property name="validationQuery" value="select 1 " /> <property name="filters" value="stat" /> </bean> <!-- 配置sqlSessionFactory --> <bean class="org.mybatis.spring.SqlSessionFactoryBean" id="sqlSessionFactory"> <property name="dataSource" ref="dataSource"/> <property name="configLocation" value="classpath:mybatis-config.xml"/> <property name="mapperLocations"> <list> <value>classpath:com/bohua/dao/**/*.xml</value><!-- 修改成自己的mapper檔案所在--> </list> </property> </bean> <!-- 第四種方式,推薦方式 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.bohua.dao"/><!-- 修改成自己的dao所在--> </bean> <!-- 定義了一個事務管理器 --> <bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" id="txManager"> <property name="dataSource" ref="dataSource"/> </bean> <tx:annotation-driven transaction-manager="txManager"/> </beans>
database.properties 如下:
jdbc.url=jdbc:mysql://127.0.0.1:3306/cesh<!-- 修改成自己的資料庫名-->?useUnicode=true&characterEncoding=utf-8
jdbc.username=root <!-- 修改成自己的資料庫賬號-->
jdbc.password=root<!-- 修改成自己的資料庫密碼-->
jdbc.driver=com.mysql.jdbc.Driver
log4j.properties 如下:
### 設定###
log4j.rootLogger = info,stdout,D,E
### 輸出資訊到控制擡 ###
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n
### 輸出DEBUG 級別以上的日誌到=E://logs/error.log ###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.File = D://logs/log.log
log4j.appender.D.Append = true
log4j.appender.D.Threshold = DEBUG
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n
### 輸出ERROR 級別以上的日誌到=E://logs/error.log ###
log4j.appender.E = org.apache.log4j.DailyRollingFileAppender
log4j.appender.E.File =D\://logs/error.log
log4j.appender.E.Append = true
log4j.appender.E.Threshold = ERROR
log4j.appender.E.layout = org.apache.log4j.PatternLayout
log4j.appender.E.layout.ConversionPattern =%-d{yyyy-MM-dd HH\:mm\:ss} [ %t\:%r ] - [ %p ] %m%n
mybatis-config.xml 如下:
<?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>
<settings>
<!-- mybatis列印日誌 -->
<setting name="logImpl" value="LOG4J"/>
<!-- 自動對映級別 -->
<setting name="autoMappingBehavior" value="FULL"/>
</settings>
<plugins>
<plugin interceptor="com.github.pagehelper.PageHelper">
<property name="dialect" value="mysql"/>
<property name="offsetAsPageNum" value="false"/>
<property name="rowBoundsWithCount" value="false"/>
<property name="pageSizeZero" value="true"/>
<property name="reasonable" value="false"/>
<property name="supportMethodsArguments" value="false"/>
<property name="returnPageInfo" value="none"/>
</plugin>
</plugins>
</configuration>
spring-mvc.xml 如下:
<?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:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
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/aop
http://www.springframework.org/schema/aop/spring-aop.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
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
<!-- 配置一個控制器,請求路徑為/index.html -->
<!--<bean name="/index" class="com.ssm.controller.IndexController"/>-->
<!-- 配置一個試圖解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 字首 -->
<property name="prefix" value="/"/>
<!-- 字尾 -->
<property name="suffix" value=".jsp"/>
</bean>
<!-- 掃描包 -->
<context:component-scan base-package="com.bohua.controller"/><!-- 修改成自己的controller所在-->
<mvc:annotation-driven >
<mvc:message-converters register-defaults="true">
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<constructor-arg value="UTF-8" />
</bean>
<!-- <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
</list>
</property>
</bean> -->
<bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
<property name="supportedMediaTypes" value="text/html;charset=UTF-8"/>
<property name="features">
<array>
<value>WriteMapNullValue</value>
<value>WriteNullStringAsEmpty</value>
</array>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="5000000"/>
<property name="defaultEncoding" value="utf-8"/>
</bean>
<mvc:default-servlet-handler/>
編寫實體類 ( 有條件的話可以自動生成 )
mapper介面 如下:
mapper.xml 如下:
service介面 如下:
service 實現介面 如下: controller 控制類 如下: 登入 頁面
然後執行 到此完畢!