ssm框架整合maven01

先整合spring 和mybatis

首先在eclipse右鍵新建maven project 選擇webapp 1.0 刪除 index.jsp

項目右鍵build path source中刪除test

1.pom文件引入要用的jar

<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.maven</groupId>
  <artifactId>ssm</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>ssm Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <properties>
  	<!-- spring版本號 -->
  	<spring.version>4.0.2.RELEASE</spring.version>
  	<!-- mybatis版本號 -->
  	<mybatis.version>3.2.6</mybatis.version>
  	<!-- log4日誌文件管理包 -->
  	<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>
      <!-- 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>${spring.version}</version>
    </dependency>
    <dependency>
    	<groupId>org.mybatis</groupId>
    	<artifactId>mybatis</artifactId>
    	<version>${mybatis.version}</version>
    </dependency>
    <!-- mybatis核心包 -->
    <dependency>
    	<groupId>org.mybatis</groupId>
    	<artifactId>mybatis</artifactId>
    	<version>${mybatis.version}</version>
    </dependency>
   <!-- mybatis/spring包 -->
   <dependency>
   		<groupId>org.mybatis</groupId>
   		<artifactId>mybatis-spring</artifactId>
   		<version>1.2.2</version>
   </dependency>
   <!-- 導入java ee jar 包 -->
		<dependency>
			<groupId>javax</groupId>
			<artifactId>javaee-api</artifactId>
			<version>7.0</version>
		</dependency>
		<!-- 導入Mysql數據庫鏈接jar包 -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.30</version>
		</dependency>
		<!-- 導入dbcp的jar包，用來在applicationContext.xml中配置數據庫 -->
		<dependency>
			<groupId>commons-dbcp</groupId>
			<artifactId>commons-dbcp</artifactId>
			<version>1.2.2</version>
		</dependency>
		<!-- JSTL標籤類 -->
		<dependency>
			<groupId>jstl</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>
		<!-- 日誌文件管理包 -->
		<!-- log start -->
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>${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>
</project>

2.編寫jdbc.properties

jdbc.drivername=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost：3306/db_zsl?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true&autoReconnect=true&failOverReadOnly=false
jdbc.username=root
jdbc.password=root
#\u5B9A\u4E49\u521D\u59CB\u8FDE\u63A5\u6570
initialSize=0
#\u5B9A\u4E49\u6700\u5927\u8FDE\u63A5\u6570
maxActive=20
#\u5B9A\u4E49\u6700\u5927\u7A7A\u95F2
maxIdle=20
#\u5B9A\u4E49\u6700\u5C0F\u7A7A\u95F2
minIdle=1
#\u5B9A\u4E49\u6700\u957F\u7B49\u5F85\u65F6\u95F4
maxWait=60000

3.log4j.properties文件

#\u5B9A\u4E49LOG\u8F93\u51FA\u7EA7\u522B
log4j.rootLogger=INFO,Console,File
#\u5B9A\u4E49\u65E5\u5FD7\u8F93\u51FA\u76EE\u7684\u5730\u4E3A\u63A7\u5236\u53F0
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
#\u53EF\u4EE5\u7075\u6D3B\u5730\u6307\u5B9A\u65E5\u5FD7\u8F93\u51FA\u683C\u5F0F\uFF0C\u4E0B\u9762\u4E00\u884C\u662F\u6307\u5B9A\u5177\u4F53\u7684\u683C\u5F0F
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n

#\u6587\u4EF6\u5927\u5C0F\u5230\u8FBE\u6307\u5B9A\u5C3A\u5BF8\u7684\u65F6\u5019\u4EA7\u751F\u4E00\u4E2A\u65B0\u7684\u6587\u4EF6
log4j.appender.File = org.apache.log4j.RollingFileAppender
#\u6307\u5B9A\u8F93\u51FA\u76EE\u5F55
log4j.appender.File.File = logs/ssm.log
#\u5B9A\u4E49\u6587\u4EF6\u6700\u5927\u5927\u5C0F
log4j.appender.File.MaxFileSize = 10MB
# \u8F93\u51FA\u6240\u4EE5\u65E5\u5FD7\uFF0C\u5982\u679C\u6362\u6210DEBUG\u8868\u793A\u8F93\u51FADEBUG\u4EE5\u4E0A\u7EA7\u522B\u65E5\u5FD7
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.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-3.1.xsd  
	http://www.springframework.org/schema/context  
	http://www.springframework.org/schema/context/spring-context-3.1.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="com.li" />
	<!-- 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="${jdbc.drivername}" />
		<property name="url" value="${jdbc.url}" />
		<property name="username" value="${jdbc.username}" />
		<property name="password" value="${jdbc.password}" />
		<!-- 初始化連接大小 -->
		<property name="initialSize" value="${initialSize}"></property>
		<!-- 連接池最大數量 -->
		<property name="maxActive" value="${maxActive}"></property>
		<!-- 連接池最大空閒 -->
		<property name="maxIdle" value="${maxIdle}"></property>
		<!-- 連接池最小空閒 -->
		<property name="minIdle" value="${minIdle}"></property>
		<!-- 獲取連接最大等待時間 -->
		<property name="maxWait" value="${maxWait}"></property>
	</bean>

	<!-- spring和MyBatis完美整合，不需要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:com/li/dao/*.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="com.li.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>

5.編寫User類，藉口，實現類，dao,mappper

package com.li.pojo;

public class User {

	private Integer id;
	private String name;
	private String password;
	private Integer age;
	public Integer getId() {
		return id;
	}
	public void setId(Integer id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public Integer getAge() {
		return age;
	}
	public void setAge(Integer age) {
		this.age = age;
	}
	
	
}

package com.li.service;

import java.util.HashMap;
import java.util.List;

import com.li.pojo.User;

public interface IUserService {

	public List<HashMap<String, String>> getUserById(int u);
}

package com.li.service.impl;

import java.util.HashMap;
import java.util.List;

import javax.annotation.Resource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.li.dao.UserDao;
import com.li.pojo.User;
import com.li.service.IUserService;
@Service
public class UserServiceImpl implements IUserService{
	@Resource
	private UserDao userDao;
	
	public List<HashMap<String, String>> getUserById(int u) {

		return userDao.getUserById(u);
	}

}

package com.li.dao;

import java.util.HashMap;
import java.util.List;

import com.li.pojo.User;

public interface UserDao {

	public List<HashMap<String, String>> getUserById(int u);
}

<?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.li.dao.UserDao">
<!--   <resultMap type="com.li.pojo.User" id="User">
         <result column="id" property="userid"/>
         <result column="user_name" property="name"/>
         <result column="password" property="password"/>
         <result column="age" property="age"/>
     </resultMap> -->
	<select id="getUserById" parameterType="int" resultType="java.util.Map">
		<!-- select *from user_t where id=#{abc} --><!-- 如果接收的是int/String類型，#{abc}可以是任意參數。如果是對象則不能任意 -->
	select u.id as uid,u.user_name as uname,d.deptName as dname from user_t as u LEFT JOIN dept as d on u.deptid=d.deptId where u.id=#{1}
	</select>
	
</mapper>

6.編寫測試類

package com.li.test;

import java.util.HashMap;
import java.util.List;

import javax.annotation.Resource;

import org.apache.log4j.Logger;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.alibaba.fastjson.JSON;
import com.li.pojo.User;
import com.li.service.IUserService;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:spring-mybatis.xml")
public class TestMybatis{


	private static Logger logger = Logger.getLogger(TestMybatis.class);
	@Resource
	private IUserService userService;

	@Test
	public void test1() {

		//User user = userService.getUserById(1);
		List<HashMap<String, String>> map=userService.getUserById(1);
		logger.info(JSON.toJSONString(map));
	}
}

7.數據庫創建

8.整體結構，運行

運行結果：

[com.li.test.TestMybatis] - [{"dname":"銷售部","uid":1,"uname":"測試"}]

ssm框架整合maven01

通知公告報錯，原因是分頁查詢外部表字段不能有子查詢，子查詢需要在內部

將文件大小轉換爲KB，MB等

數據庫表中主鍵字符串通過函數取值

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