2.開發環境搭建css
3.Maven Web項目建立html
4.SSM整合java
這次整合我分兩個配置文件:mysql
1)分別是spring-mybatis.xml,包含spring和mybatis的配置文件,程序員
2)還有個是spring-mvc的配置文件,web
3)此外有2個資源文件:jdbc.propertis和log4j.propertiesspring
如下是框架版本及來源:sql
Spring 4.0.2 RELEASE(PS:無需手動下載,Maven會自動下)數據庫
Spring MVC 4.0.2 RELEASE(PS:無需手動下載,Maven會自動下)apache
MyBatis 3.2.6
*打開 xml 文件的代碼提示功能
打 開 Eclipse 依次選擇 Window > Preferences > Xml > Xml Files > Editor > Content Assist > Auto activation > Prompt when these characters are inserted,設置框中默認是 <=: ,改爲<=:qwertyuioplkjhgfdsazxcvbnm就ok了。
下面是項目完整結構,先有個印象:
4.1 Maven引入須要的jar包
爲了方便後面說的時候不須要引入JAR包,我這裏直接給出全部須要的JAR包,這都是基本的JAR包,每一個包的是幹什麼的都有註釋,就再也不多說了
pom.xml
<properties> <!-- spring版本號 --> <spring.version>4.0.2.RELEASE</spring.version> <!-- mybatis版本號 --> <mybatis.version>3.2.6</mybatis.version> <!-- log4j日誌文件管理包版本 --> <slf4j.version>1.7.7</slf4j.version> <log4j.version>1.2.17</log4j.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <!-- 導入java ee jar包(能夠去除index.jsp報錯) --> <dependency> <groupId>javax</groupId> <artifactId>javaee-api</artifactId> <version>7.0</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <!-- 表示開發的時候引入,發佈的時候不會加載此包 --> <scope>test</scope> </dependency> <!-- spring核心包 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-oxm</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> </dependency> <!-- mybatis核心包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!-- mybatis/spring包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <!-- 導入Mysql數據庫連接jar包 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.30</version> </dependency> <!-- 導入dbcp的jar包,用來在applicationContext.xml中配置數據庫 --> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.2.2</version> </dependency> <!-- JSTL標籤類 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- 日誌文件管理包 --> <!-- log start --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> <!-- 格式化對象,方便輸出日誌 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.1.41</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <!-- log end --> <!-- 映入JSON --> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <!-- 上傳組件包 --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.4</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.9</version> </dependency> </dependencies> <build> <finalName>hongceshi</finalName> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.5.1</version> <configuration> <source>1.8</source> <target>1.8</target> <encoding>UTF-8</encoding> </configuration> </plugin> </plugins> </build>
4.2 Spring與MyBatis的整合
4.1的jar包引入以後,首先進行Spring和MyBatis整合,而後再進行JUnit測試,先看一個項目結構圖:
4.2.1 創建JDBC屬性文件(有背景顏色部分需根據本身信息修改)
jdbc.properties
driver=com.mysql.jdbc.Driver url=jdbc:mysql://127.0.0.1:3306/ceshi?useUnicode=true&characterEncoding=UTF-8 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
4.2.2 Log4j的配置(跳過此步也沒影響)
爲了方便調試,通常都會使用日誌來輸出信息,Log4j是Apache的一個開放源代碼項目,經過使用Log4j,咱們能夠控制日誌信息輸送的目的地是控制檯、文件、GUI組件,甚至是套接口服務器、NT的事件記錄器、UNIX Syslog守護進程等;咱們也能夠控制每一條日誌的輸出格式;經過定義每一條日誌信息的級別,咱們可以更加細緻地控制日誌的生成過程。
Log4j的配置很簡單,並且也是通用的,下面給出一個基本的配置,換到其餘項目中也無需作多大的調整,若是想作調整或者想了解Log4j的各類配置,能夠參考:Log4j配置詳解
log4j.properties
#定義LOG輸出級別 log4j.rootLogger=INFO,Console,File #定義日誌輸出目的地爲控制檯 log4j.appender.Console=org.apache.log4j.ConsoleAppender log4j.appender.Console.Target=System.out #能夠靈活地指定日誌輸出格式,下面一行是指定具體的格式 log4j.appender.Console.layout = org.apache.log4j.PatternLayout log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n #文件大小到達指定尺寸的時候產生一個新的文件 log4j.appender.File = org.apache.log4j.RollingFileAppender #指定輸出目錄 log4j.appender.File.File = logs/springmvcMybist/ssm.log #定義文件最大大小 log4j.appender.File.MaxFileSize = 10MB #輸出因此日誌,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] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n
4.2.三、創建spring-mybatis.xml配置文件
這個文件就是用來完成spring和mybatis的整合的。這裏面也沒多少行配置,主要的就是自動掃描全部package,自動注入,配置數據庫
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:p="http://www.springframework.org/schema/p" 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-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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 自動掃描 --> <context:component-scan base-package="hzm.ssm" /> <!-- 引入配置文件 --> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="classpath:jdbc.properties" /> </bean> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${driver}" /> <property name="url" value="${url}" /> <property name="username" value="${username}" /> <property name="password" value="${password}" /> <!-- 初始化鏈接大小 --> <property name="initialSize" value="${initialSize}"></property> <!-- 鏈接池最大數量 --> <property name="maxActive" value="${maxActive}"></property> <!-- 鏈接池最大空閒 --> <property name="maxIdle" value="${maxIdle}"></property> <!-- 鏈接池最小空閒 --> <property name="minIdle" value="${minIdle}"></property> <!-- 獲取鏈接最大等待時間 --> <property name="maxWait" value="${maxWait}"></property> </bean> <!-- spring和MyBatis完美整合,不須要mybatis的配置映射文件 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 自動掃描mapping.xml文件 --> <property name="mapperLocations" value="classpath:hzm/ssm/mapping/*.xml"></property> </bean> <!-- DAO接口所在包名,Spring會自動查找其下的類 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="hzm.ssm.dao" /> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property> </bean> <!-- (事務管理)transaction manager, use JtaTransactionManager for global tx --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> </beans>
4.2.四、JUnit測試
通過以上步驟(log4j不配也沒影響),咱們已經完成了Spring和mybatis的整合,這樣咱們就能夠編寫一段測試代碼來試試是否成功了。
4.2.4.1 建立測試用表
既然咱們須要測試,那麼咱們就須要創建在數據庫中創建一個測試表,這個表建的很簡單,SQL語句爲:
Mysql新建數據庫,執行下面語句
# # Structure for table "user_t" # DROP TABLE IF EXISTS `user_t`; CREATE TABLE `user_t` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user_name` varchar(40) NOT NULL, `password` varchar(255) NOT NULL, `age` int(4) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8; # # Data for table "user_t" # INSERT INTO `user_t` VALUES (1,'測試','123456',24);
4.2.4.二、利用MyBatis Generator自動建立代碼
隨便找個位置建文件夾(路徑最好都是英文),而後在裏面建個src文件夾(配置到generatorConfig.xml裏面,存放生成文件),下載下面那兩個jar包,並手動將generatorConfig.xml拷進去,最後在該文件夾下,執行下面的命令java -jar mybatis-generator-core-1.3.2.jar -configfile generatorConfig.xml -overwrite
,代碼就會生成到src文件夾裏(dao/vo/impl):
如下是該文件下所需文的截圖:
可到到此博客的文件下載:https://i.cnblogs.com/Files.aspx(和Hibernate逆向生成同樣,這裏也須要一個配置文件:)
generatorConfig.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd"> <generatorConfiguration> <!-- 數據庫驅動 --> <classPathEntry location="mysql-connector-java-5.1.28.jar" /> <context id="DB2Tables" targetRuntime="MyBatis3"> <commentGenerator> <property name="suppressDate" value="true" /> <!-- 是否去除自動生成的註釋 true:是 : false:否 --> <property name="suppressAllComments" value="true" /> </commentGenerator> <!--數據庫連接URL,用戶名、密碼 --> <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://127.0.0.1:3306/ceshi" userId="root" password="root"> </jdbcConnection> <javaTypeResolver> <property name="forceBigDecimals" value="false" /> </javaTypeResolver> <!-- 生成模型的包名和位置 --> <javaModelGenerator targetPackage="hzm.ssm.vo" targetProject="src"> <property name="enableSubPackages" value="true" /> <property name="trimStrings" value="true" /> </javaModelGenerator> <!-- 生成映射文件的包名和位置 --> <sqlMapGenerator targetPackage="hzm.ssm.mapping" targetProject="src"> <property name="enableSubPackages" value="true" /> </sqlMapGenerator> <!-- 生成DAO的包名和位置 --> <javaClientGenerator type="XMLMAPPER" targetPackage="hzm.ssm.dao" targetProject="src"> <property name="enableSubPackages" value="true" /> </javaClientGenerator> <!-- 要生成的表 tableName是數據庫中的表名或視圖名 domainObjectName是實體類名 --> <table tableName="user_t" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table> </context> </generatorConfiguration>
須要修改文件配置的地方我都已經把註釋標註出來了,這裏的相關路徑(如數據庫驅動包,生成對應的相關文件位置能夠自定義)不能帶有中文
上面配置文件中的:
<!-- 要生成的表 tableName是數據庫中的表名或視圖名 domainObjectName是實體類名 --> <table tableName="user_t" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>
tableName和domainObjectName爲必選項,分別表明數據庫表名和生成的實體vo類名,其他的能夠自定義去選擇(通常狀況下均爲false)
使用方法介紹:
在該目錄按住Shift鍵,右鍵鼠標選擇"在此處打開命令窗口",複製粘貼生成語句的文件代碼便可。
執行後,src就生成了下面3個文件,複製到項目對應目錄下
vo:user.java
package hzm.ssm.vo; public class User { private Integer id; private String userName; private String password; private Integer age; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName == null ? null : userName.trim(); } public String getPassword() { return password; } public void setPassword(String password) { this.password = password == null ? null : password.trim(); } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; } }
dao:UserMapper
package hzm.ssm.dao; import hzm.ssm.vo.User; public interface UserMapper { int deleteByPrimaryKey(Integer id); int insert(User record); int insertSelective(User record); User selectByPrimaryKey(Integer id); int updateByPrimaryKeySelective(User record); int updateByPrimaryKey(User record); }
mapping:UserMapper.xml
1 <?xml version="1.0" encoding="UTF-8" ?> 2 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" > 3 <mapper namespace="hzm.ssm.dao.UserMapper" > 4 <resultMap id="BaseResultMap" type="hzm.ssm.vo.User" > 5 <id column="id" property="id" jdbcType="INTEGER" /> 6 <result column="user_name" property="userName" jdbcType="VARCHAR" /> 7 <result column="password" property="password" jdbcType="VARCHAR" /> 8 <result column="age" property="age" jdbcType="INTEGER" /> 9 </resultMap> 10 <sql id="Base_Column_List" > 11 id, user_name, password, age 12 </sql> 13 <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" > 14 select 15 <include refid="Base_Column_List" /> 16 from user_t 17 where id = #{id,jdbcType=INTEGER} 18 </select> 19 <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" > 20 delete from user_t 21 where id = #{id,jdbcType=INTEGER} 22 </delete> 23 <insert id="insert" parameterType="hzm.ssm.vo.User" > 24 insert into user_t (id, user_name, password, 25 age) 26 values (#{id,jdbcType=INTEGER}, #{userName,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR}, 27 #{age,jdbcType=INTEGER}) 28 </insert> 29 <insert id="insertSelective" parameterType="hzm.ssm.vo.User" > 30 insert into user_t 31 <trim prefix="(" suffix=")" suffixOverrides="," > 32 <if test="id != null" > 33 id, 34 </if> 35 <if test="userName != null" > 36 user_name, 37 </if> 38 <if test="password != null" > 39 password, 40 </if> 41 <if test="age != null" > 42 age, 43 </if> 44 </trim> 45 <trim prefix="values (" suffix=")" suffixOverrides="," > 46 <if test="id != null" > 47 #{id,jdbcType=INTEGER}, 48 </if> 49 <if test="userName != null" > 50 #{userName,jdbcType=VARCHAR}, 51 </if> 52 <if test="password != null" > 53 #{password,jdbcType=VARCHAR}, 54 </if> 55 <if test="age != null" > 56 #{age,jdbcType=INTEGER}, 57 </if> 58 </trim> 59 </insert> 60 <update id="updateByPrimaryKeySelective" parameterType="hzm.ssm.vo.User" > 61 update user_t 62 <set > 63 <if test="userName != null" > 64 user_name = #{userName,jdbcType=VARCHAR}, 65 </if> 66 <if test="password != null" > 67 password = #{password,jdbcType=VARCHAR}, 68 </if> 69 <if test="age != null" > 70 age = #{age,jdbcType=INTEGER}, 71 </if> 72 </set> 73 where id = #{id,jdbcType=INTEGER} 74 </update> 75 <update id="updateByPrimaryKey" parameterType="hzm.ssm.vo.User" > 76 update user_t 77 set user_name = #{userName,jdbcType=VARCHAR}, 78 password = #{password,jdbcType=VARCHAR}, 79 age = #{age,jdbcType=INTEGER} 80 where id = #{id,jdbcType=INTEGER} 81 </update> 82 </mapper>
如下手動建立:
IUserService.java
1 package hzm.ssm.service; 2 3 import hzm.ssm.vo.User; 4 5 public interface IUserService { 6 public User getUserById(int userId); 7 }
UserService.java
1 package hzm.ssm.service.impl; 2 3 import javax.annotation.Resource; 4 5 import org.springframework.stereotype.Service; 6 7 import hzm.ssm.dao.UserMapper; 8 import hzm.ssm.service.IUserService; 9 import hzm.ssm.vo.User; 10 11 @Service("userService") 12 public class UserService implements IUserService { 13 @Resource 14 private UserMapper userDao; 15 16 public User getUserById(int userId) { 17 return this.userDao.selectByPrimaryKey(userId); 18 } 19 }
4.2.4.四、創建測試類
測試類在src/test/java中創建,下面測試類中註釋掉的部分是不使用Spring時,通常狀況下的一種測試方法;若是使用了Spring那麼就可使用註解的方式來引入配置文件和類,而後再將service接口對象注入,就能夠進行測試了。若是測試成功,表示Spring和Mybatis已經整合成功了。輸出信息使用的是Log4j打印到控制檯
TestMyBatis.java
1 package hzm.ssm.testmybatis; 2 3 import javax.annotation.Resource; 4 5 import org.apache.log4j.Logger; 6 import org.junit.Test; 7 import org.junit.runner.RunWith; 8 import org.springframework.test.context.ContextConfiguration; 9 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; 10 11 import com.alibaba.fastjson.JSON; 12 13 import hzm.ssm.service.IUserService; 14 import hzm.ssm.vo.User; 15 16 @RunWith(SpringJUnit4ClassRunner.class) // 表示繼承了這個類 17 @ContextConfiguration(locations = { "classpath:spring-mybatis.xml" }) 18 public class TestMyBatis { 19 private static Logger logger = Logger.getLogger(TestMyBatis.class); 20 @Resource 21 private IUserService userService = null; 22 23 @Test 24 public void test() { 25 User user = userService.getUserById(1); 26 logger.info(user); 27 logger.info("user轉爲json"); 28 logger.info(JSON.toJSONString(user)); 29 } 30 }
開始測試:
項目右鍵Maven->Update Project...(重點),等更新完,右擊項目->Run As->JUnit Test
4.三、整合SpringMVC
上面已經完成了2大框架的整合,SpringMVC的配置文件單獨放,而後在web.xml中配置整合
4.3.一、配置spring-mvc.xml
主要是自動掃描控制器,視圖模式,註解的啓動這三個
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:p="http://www.springframework.org/schema/p" 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-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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!--避免IE執行AJAX時,返回JSON出現下載文件 --> <bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"> <property name="supportedMediaTypes"> <list> <value>text/html;charset=UTF-8</value> </list> </property> </bean> <!-- 啓動SpringMVC的註解功能,完成請求和註解POJO的映射 --> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> <property name="messageConverters"> <list> <!-- JSON轉換器 --> <ref bean="mappingJacksonHttpMessageConverter" /> </list> </property> </bean> <!-- 對靜態資源的訪問 --> <!-- <mvc:resources mapping="/js/**" location="/js/" /> <mvc:resources mapping="/css/**" location="/css/" /> --> <!-- 自動掃描該包,使SpringMVC認爲包下用了@controller註解的類是控制器 --> <context:component-scan base-package="hzm.ssm.controller" /> <!-- 添加註解驅動 --> <mvc:annotation-driven enable-matrix-variables="true" /> <!-- 容許對靜態資源文件的訪問 --> <mvc:default-servlet-handler /> <!-- 定義跳轉的文件的先後綴 ,視圖模式配置 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <!-- 這裏的配置個人理解是自動給後面action的方法return的字符串加上前綴和後綴,變成一個 可用的url地址 --> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> <!-- 配置文件上傳,若是沒有使用文件上傳能夠不用配置,固然若是不配,那麼配置文件中也沒必要引入上傳組件包 --> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <!-- 默認編碼 --> <property name="defaultEncoding" value="UTF-8" /> <!-- 文件大小最大值 --> <property name="maxUploadSize" value="10485760000" /> <!-- 內存中的最大值 --> <property name="maxInMemorySize" value="40960" /> </bean> </beans>
4.3.二、配置web.xml文件
這裏面對spring-mybatis.xml的引入以及配置的spring-mvc的Servlet就是爲了完成SSM整合,以前2框架整合不須要在此處進行任何配置。配置同樣有詳細註釋,很少解釋了。
web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"> <display-name>Archetype Created Web Application</display-name> <!-- Spring和mybatis的配置文件 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring-mybatis.xml</param-value> </context-param> <!-- 編碼過濾器 --> <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監聽器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 防止Spring內存溢出監聽器 --> <listener> <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class> </listener> <!-- 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> <async-supported>true</async-supported> </servlet> <servlet-mapping> <servlet-name>SpringMVC</servlet-name> <!-- 此處能夠能夠配置成*.do,對應struts的後綴習慣 --> <url-pattern>/</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>/index.html</welcome-file> <welcome-file>/index.jsp</welcome-file> </welcome-file-list> </web-app>
4.3.三、測試
至此已經完成了SSM三大框架的整合了,接下來測試一下,若是成功了,那麼恭喜你,若是失敗了,繼續調試吧,做爲程序員就是不停的與BUG作鬥爭!
4.3.3.一、新建jsp頁面
User.jsp 此頁面僅輸出一下用戶名,完成一個完整的簡單流程
User.jsp
1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2 pageEncoding="UTF-8"%> 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 4 <html> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7 <title>測試</title> 8 </head> 9 <body>${user.userName} 10 </body> 11 </html>
4.3.3.二、創建UserController類
UserController.java
1 package hzm.ssm.controller; 2 3 import javax.annotation.Resource; 4 import javax.servlet.http.HttpServletRequest; 5 6 import org.springframework.stereotype.Controller; 7 import org.springframework.ui.Model; 8 import org.springframework.web.bind.annotation.RequestMapping; 9 10 import hzm.ssm.service.IUserService; 11 import hzm.ssm.vo.User; 12 13 @Controller 14 @RequestMapping("/user") 15 public class UserController { 16 17 @Resource 18 private IUserService userService; 19 20 @RequestMapping("/showUser") 21 public String toIndex(HttpServletRequest request, Model model) { 22 int userId = Integer.parseInt(request.getParameter("id")); 23 User user = this.userService.getUserById(userId); 24 model.addAttribute("user", user); 25 return "User"; 26 } 27 }
4.3.3.三、部署項目
點擊Finish,啓動項目,瀏覽器輸入http://localhost:8080/hongceshi/user/showUser?id=1
至此SSM框架整合成功。
可是,有一個問題:
緣由就是編譯時沒有複製依賴包到WEB-INF/lib裏,編譯時也沒有生成lib文件夾
完美解決辦法:
在該目錄下執行:
cmd命令(根據Java Build Path的列表得知,只要不改動包,就不須要再次運行此命令) 1 mvn eclipse:eclipse -Dwtpversion=2.0
至此clean均可以運行。
#定義LOG輸出級別 log4j.rootLogger=INFO,Console,File #定義日誌輸出目的地爲控制檯 log4j.appender.Console=org.apache.log4j.ConsoleAppender log4j.appender.Console.Target=System.out #能夠靈活地指定日誌輸出格式,下面一行是指定具體的格式 log4j.appender.Console.layout = org.apache.log4j.PatternLayout log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n #文件大小到達指定尺寸的時候產生一個新的文件 log4j.appender.File = org.apache.log4j.RollingFileAppender #指定輸出目錄 log4j.appender.File.File = logs/springmvcMybist/ssm.log #定義文件最大大小 log4j.appender.File.MaxFileSize = 10MB #輸出因此日誌,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] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n