SSM搭建博客系統(二):SSM框架的搭建

1、添加Maven依賴

首先添加和SSM有關的諸多依賴:php

<?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">
    <parent>
        <artifactId>Blog</artifactId>
        <groupId>com.SSMBlog.www</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>MyBlog</artifactId>
    <packaging>war</packaging>

    <name>MyBlog 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>
    </properties>

    <dependencies>

        <!--單元測試-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>

        <!--jstl依賴-->
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>8.0.1-b5</version>
        </dependency>

        <!--Spring核心依賴-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-oxm</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>

        <!--Mybatis依賴-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.0</version>
        </dependency>

        <!--Mybatis/Spring整合包依賴-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.0.0</version>
        </dependency>

        <!--mysql驅動包依賴-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.15</version>
        </dependency>
        <!--數據庫鏈接池依賴-->
        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>1.2.2</version>
        </dependency>

        <!--日誌依賴-->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.8.0-beta4</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.8.0-beta4</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jms</artifactId>
            <version>5.1.5.RELEASE</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.apache.xbean/xbean-spring -->
        <dependency>
            <groupId>org.apache.xbean</groupId>
            <artifactId>xbean-spring</artifactId>
            <version>4.0</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/commons-beanutils/commons-beanutils -->
        <dependency>
            <groupId>commons-beanutils</groupId>
            <artifactId>commons-beanutils</artifactId>
            <version>1.9.3</version>
        </dependency>
        <!-- 通用mapper -->
        <dependency>
            <groupId>tk.mybatis</groupId>
            <artifactId>mapper</artifactId>
            <version>3.1.2</version>
        </dependency>
    </dependencies>

    <build>
        <finalName>MyBlog</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>3.1.0</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>3.8.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.22.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>3.2.2</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>
    </build>
</project>

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2、配置文件

1. 建立文件

2.配置文件

  • jdbc.properties 文件中保存的是spring-mybatis.xml 引用的主要參數
driverClasss=com.mysql.jdbc.Driver
jdbcUrl=jdbc:mysql://localhost:3306/dbname?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull
username=root
password=root

#定義初始鏈接數
initialSize=0
#定義最大鏈接數
maxActive=20
#定義最大空閒
maxIdle=20
#定義最小空閒
minIdle=1
#定義最長等待時間
maxWait=60000
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  • log4j.properties 文件是日誌配置,控制日誌信息的打印與保存
log4j.rootLogger=DEBUG,Console,File
#日誌輸出到控制檯
og4j.appender.Console=org.apache.log4j.ConsoleAppender
#指定輸出到控制檯
log4j.appender.Console.Target=System.out
#靈活地指定佈局模式
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
#日誌輸出格式設置
log4j.appender.Console.layout.ConversionPattern=[%p][%t][%d{yyyy-MM-dd HH\:mm\:ss}][%C] - %m%n
#日誌輸出到文件
log4j.appender.File=org.apache.log4j.RollingFileAppender
#日誌存放位置
log4j.appender.File.File=
#單個日誌文件大小設置
log4j.appender.File.MaxFileSize=10MB
#輸出日誌,若是換成DEBUG表示輸出DEBUG以上級別日誌
log4j.appender.File.Threshold=ALL
log4j.appender.File.layout=org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern=[%p][%t][%d{yyyy-MM-dd HH\:mm\:ss}][%C] - %m%
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  1. 日誌輸出級別
ERROR > WARN > INFO > DEBUG
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設置級別爲 ERROR 只會打印出 ERROR 日誌;

設置級別爲 WARN 會打印出 ERROR 和 WRAN 日誌;

設置級別爲 INFO 會打印出 ERROR、WARN 和 INFO 日誌;

設置爲 DEBUG 會打印出全部日誌。
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  1. 日誌輸出格式的含義
%m 輸出代碼中指定的消息 
    %p 輸出優先級,即DEBUG,INFO,WARN,ERROR,FATAL 
    %r 輸出自應用啓動到輸出該log信息耗費的毫秒數 
    %c 輸出所屬的類目,一般就是所在類的全名 
    %t 輸出產生該日誌事件的線程名 
    %n 輸出一個回車換行符,Windows平臺爲「rn」,Unix平臺爲「n」 
    %d 輸出日誌時間點的日期或時間,默認格式爲ISO8601,也能夠在其後指定格式,好比:%d{yyyy MMM dd HH:mm:ss,SSS},輸出相似:2002年10月18日 :10:28,921
    %l 輸出日誌事件的發生位置,包括類目名、發生的線程,以及在代碼中的行數。
    %x Used to output the NDC (nested diagnostic context) associated with the thread that generated the logging event
    %X Used to output the MDC (mapped diagnostic context) associated with the thread that generated the logging event for specified key
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  1. 設置何時產生新的日誌文件
log4j.appender.File=org.apache.log4j.RollingFileAppender
將 RollingFileAppender 換成 DailyRollingFileAppender,則表示天天產生一個日誌文件。
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  • web.xml文件配置

(進行到後面會有更詳細的配置)html

<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

  <display-name>Archetype Created Web Application</display-name>

  <servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>

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如下配置將在具體操做中進行詳解解java

<?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">
   <!--配置好自動掃描包和註解-->
    <context:component-scan base-package="com.learn.springMVCDemo"/>
    <context:annotation-config/>
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="prefix">
            <value>/</value>
        </property>

        <property name="suffix">
            <value>.jsp</value>
        </property>

    </bean>
</beans>
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3、 讓程序跑起來

配置好tomcat服務器,讓程序跑起來:mysql

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