2017/09/03简单搭建SSM框架
2017-09-03 11:22
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简单搭建SSM框架
1.由于熟悉了使用Maven,导包太麻烦了,所以还是使用Maven+Spring+Spring MVC+Mybatis的方式简单搭建一个SSM框架。2.数据库使用的是Mysql,想要使用Oracle或者其它数据库的,可以在POM.xml中修改相关的依赖包,还有修改jdbc.properties的相关配置即可。
3.现在开始简单介绍一下搭建的相关过程。
a.安装maven插件(依赖包的路径使用的是阿里云的maven数据源
b.新建一个maven project -----> 直接next ------>选择Artifact
id中尾缀为webapp的一项 ------->输入group id和Artifact id----->点击完成
c.先利用maven导入相关的依赖包:
4.0.0combuildSSMwar0.0.1-SNAPSHOTbuildSSM Maven Webapphttp://maven.apache.org4.0.5.RELEASE6.8.8junitjunit3.8.1testjavax.servletjavax.servlet-api3.1.0javax.servlet.jspjsp-api2.2javax.servletjstl1.2org.springframeworkspring-jdbc4.0.0.RELEASEorg.springframeworkspring-expressionorg.springframeworkspring-contextorg.springframeworkspring-web4.0.0.RELEASEorg.springframeworkspring-webmvc4.0.0.RELEASEorg.springframeworkspring-test4.0.0.RELEASEorg.mybatismybatis3.2.8org.mybatismybatis-spring1.2.1commons-fileuploadcommons-fileupload1.3.1commons-langcommons-lang2.6commons-codeccommons-codec1.9org.apache.commonscommons-pool22.4.2org.apache.commonscommons-dbcp22.1.1log4jlog4j1.2.17cglibcglib-nodep2.2.2mysqlmysql-connector-java5.1.25taglibsstandard1.1.2net.sf.json-libjson-lib2.4jdk15com.fasterxml.jackson.corejackson-core2.7.4com.fasterxml.jackson.corejackson-annotations2.7.4com.fasterxml.jackson.corejackson-databind2.7.4com.lnsforg.apache.maven.pluginsmaven-compiler-plugin3.31.71.7org.springframeworkspring-expression4.0.0.RELEASEorg.springframeworkspring-context4.0.0.RELEASE
d.新建实体类包(Entity),新建实体类
e.新建service层,定义各种方法接口
f.新建dao层,定义数据操作类,可以用xml或者直接注解写SQl语句
g.实现serviceImpl层
h.新建test包
I.添加spring mvc的配置文件
<?xml version="1.0" encoding="UTF-8" ?>
j.添加bean.xml
<?xml version="1.0" encoding="UTF-8"?>
k.添加数据库配置和错误提示配置
driver=com.mysql.jdbc.Driver url=jdbc:mysql://localhost:3306/buildssm username=root password=root
log4j.rootLogger=DEBUG,Console #Console log4j.appender.Console=org.apache.log4j.ConsoleAppender log4j.appender.Console.layout=org.apache.log4j.PatternLayout log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n log4j.logger.java.sql.ResultSet=INFO log4j.logger.org.apache=INFO log4j.logger.java.sql.Connection=DEBUG log4j.logger.java.sql.Statement=DEBUG log4j.logger.java.sql.PreparedStatement=INFO
l.修改项目的web.xml
<?xml version="1.0" encoding="UTF-8"?>Archetype Created Web ApplicationcontextConfigLocationclasspath:beans.xmlorg.springframework.web.context.ContextLoaderListener
index.htmlindex.htmindex.jspdefault.htmldefault.htmdefault.jspdispatcherServlet
org.springframework.web.servlet.DispatcherServlet
contextConfigLocationclasspath:springmvc.xml1dispatcherServlet/HiddenHttpMethodFilterorg.springframework.web.filter.HiddenHttpMethodFilter
HiddenHttpMethodFilter/*springUtf8Encodingorg.springframework.web.filter.CharacterEncodingFilter
encodingUTF-8forceEncodingtrue
4.项目整体目录结构如下:
5.controller的代码示例:
package com.lnsf.controller; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import com.lnsf.entity.TestEntity; import com.lnsf.service.TestService; import com.lnsf.service.Impl.TestServiceImpl; @Controller public class TestController { @Autowired TestService testService; @RequestMapping("selectAllTest") @ResponseBody public TestEntity selectAllTest(){ TestEntity test= testService.selectAllTest(); return test; } }
6.dao层的xml写法和注解写法
<?xml version="1.0" encoding="UTF-8" ?>
package com.lnsf.dao; import org.apache.ibatis.annotations.Select; import com.lnsf.entity.TestEntity; public interface TestDao { public TestEntity selectAllTest(); @Select("select * from test") public TestEntity selectAllTest2(); @Select("select * from test") public TestEntity selectAllTest3(); }
7.service层的示例
package com.lnsf.service; import com.lnsf.entity.TestEntity; public interface TestService { public TestEntity selectAllTest(); public TestEntity selectAllTest2(); public TestEntity selectAllTest3(); }
8.serviceImpl层的示例
package com.lnsf.service.Impl; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.lnsf.dao.TestDao; import com.lnsf.entity.TestEntity; import com.lnsf.service.TestService; @Service("testService") public class TestServiceImpl implements TestService { @Autowired TestDao testDao; @Override public TestEntity selectAllTest() { // TODO Auto-generated method stub return testDao.selectAllTest(); } @Override public TestEntity selectAllTest2() { // TODO Auto-generated method stub return testDao.selectAllTest2(); } @Override public TestEntity selectAllTest3() { // TODO Auto-generated method stub return testDao.selectAllTest3(); } }
9.test层的示例
package com.lnsf.test; 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.TestExecutionListeners; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.lnsf.dao.TestDao; import com.lnsf.entity.TestEntity; @RunWith(SpringJUnit4ClassRunner.class) //使用Springtest测试框架 @ContextConfiguration("/beans.xml") //加载配置 public class testSSm { @Autowired TestDao testDao; @Test public void tt(){ TestEntity test=new TestEntity(); test=testDao.selectAllTest2(); System.out.println(test); } }
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