Spring教程____SpringMVC入门小列子(主流模式,精简模式)

向右看齐 2022-06-10 02:52 109阅读 0赞

//添加spring的依赖和先关的jar包

//整合结构图

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//配置spring的applicationContext.xml文件

<?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:aop="http://www.springframework.org/schema/aop"
    	xmlns:context="http://www.springframework.org/schema/context"
    	xmlns:mvc="http://www.springframework.org/schema/mvc"
    	xmlns:tx="http://www.springframework.org/schema/tx"
    	xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
    		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
    		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
    		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
    		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd">
    		
    
    	
    	
    	<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    		<property name="locations">
    			<list>
    				<value>classpath:jdbc.properties</value>
    			</list>
    		</property>
    	</bean>  	
    	
    	
    	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
    		<property name="driverClassName" value="${jdbc.driverClassName}" />
    		<property name="url" value="${jdbc.url}" />
    		<property name="username" value="${jdbc.username}" />
    		<property name="password" value="${jdbc.password}" />
    	</bean>
    	
    	
    	<context:annotation-config />
    	<context:component-scan base-package="com.frame"></context:component-scan>
    	
    	<mvc:annotation-driven />
    	  
    	
    	<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate" >
    		<property name="dataSource" ref="dataSource" />
    	</bean>
    	
    	
    	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    		<property name="dataSource" ref="dataSource" />
    	</bean>
    	<tx:annotation-driven transaction-manager="transactionManager" />
    	
    
    </beans>

//配置jdbc配置文件

################Oracle_JDBC################
    jdbc.driverClassName=oracle.jdbc.driver.OracleDriver
    jdbc.url=jdbc\:oracle\:thin\:@127.0.0.1\:1521\:orcl  
    jdbc.username=oracle  
    jdbc.password=123456

//配置springmvc-servlet,xml配置文件

//配置web.xml配置文件

<?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
    
      <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
      </welcome-file-list>
      
      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
      <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
      </context-param>
    
      <servlet>
        <servlet-name>DispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:springmvc-servlet.xml</param-value>
        </init-param>
      </servlet>
      <servlet-mapping>
        <servlet-name>DispatcherServlet</servlet-name>
        <url-pattern>*.do</url-pattern>
      </servlet-mapping>
      
    </web-app>

//配置baseController

package com.frame.base.controller;
    
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import javax.servlet.http.HttpSession;
    
    import org.apache.log4j.Logger;
    import org.springframework.web.bind.annotation.ModelAttribute;
    
    /**
     * @author Administrator
     * father controller
     */
    public class BaseController {
    	//father log
    	protected final Logger logger = Logger.getLogger(this.getClass());
    	//request 
    	protected HttpServletRequest request;
    	protected HttpServletResponse response;
    	protected HttpSession session;
    	//get reqyest
    	@ModelAttribute
    	protected void setReqAndRes(HttpServletRequest request, HttpServletResponse response) {
    		this.request = request;
    		this.response = response;
    		this.session = request.getSession();
    	}
    
    	protected  void writeRespData(String data) {
    		try {
    			response.setCharacterEncoding("UTF-8");
    			response.setContentType("text/html; charset=utf-8");
    			response.getWriter().write(data);
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    	}
    
    
    }

//创建basedao和basedaoimpl

package com.frame.base.dao;
    
    import java.util.List;
    
    public interface BaseDao {
    	
    	public int insert(String sql,Object[] args); 
    	
    	public <T> T findObject(String sql,Object[] args,Class<T>clazz);
    	
    	public int update(String sql,Object[] args);
    	
    	public int delete(String sql,Object[] args);
    	
    	public <E> List<E> findList(String sql,Object[] args,Class<E>clazz);
    	
    }

package com.frame.base.dao;
    
    import java.util.List;
    
    import org.apache.log4j.Logger;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.jdbc.core.JdbcTemplate;
    import org.springframework.jdbc.core.RowMapper;
    import org.springframework.jdbc.core.simple.ParameterizedBeanPropertyRowMapper;
    
    public class BaseDaoImpl implements BaseDao{
    
    	@Autowired
    	private JdbcTemplate template;
    	
    	//日志记录
    	protected final Logger logger = Logger.getLogger(this.getClass());	
    	
    	@Override
    	public int insert(String sql, Object[] args) {
    		return template.update(sql, args);
    	}
    
    	@Override
    	public <T> T findObject(String sql, Object[] args, Class<T> clazz) {
    		RowMapper<T> rm = ParameterizedBeanPropertyRowMapper.newInstance(clazz);
    		return template.queryForObject(sql, args, rm);
    	}
    
    	@Override
    	public int update(String sql, Object[] args) {
    		return template.update(sql, args);
    	}
    
    	@Override
    	public int delete(String sql, Object[] args) {
    		return template.update(sql, args);
    	}
    
    	@Override
    	public <E> List<E> findList(String sql, Object[] args, Class<E> clazz) {
    		RowMapper<E> rm = ParameterizedBeanPropertyRowMapper.newInstance(clazz);
    		return template.query(sql, args, rm);
    	}
    
    
    }

//创建student实体类

package com.frame.student.bean;
    
    public class Student {
    
    	// PO
    	private String stuid;
    	private String stuname;
    	private String stutime;
    
    	// Encap
    	public String getStuid() {
    		return stuid;
    	}
    
    	public void setStuid(String stuid) {
    		this.stuid = stuid;
    	}
    
    	public String getStuname() {
    		return stuname;
    	}
    
    	public void setStuname(String stuname) {
    		this.stuname = stuname;
    	}
    
    	public String getStutime() {
    		return stutime;
    	}
    
    	public void setStutime(String stutime) {
    		this.stutime = stutime;
    	}
    
    	@Override
    	public String toString() {
    		return "Student [stuid=" + stuid + ", stuname=" + stuname
    				+ ", stutime=" + stutime + "]";
    	}
    
    }

//创建studnetdao和studentDaoImpl

package com.frame.student.dao;
    
    import com.frame.base.dao.BaseDao;
    
    public interface StudentDao extends BaseDao{
    
    	
    }

package com.frame.student.dao;
    
    import org.springframework.stereotype.Repository;
    import com.frame.base.dao.BaseDaoImpl;
    
    @Repository 
    public class StudentDaoImpl extends BaseDaoImpl implements StudentDao{
    
    
    }

//StudentService和实现类

package com.frame.student.service;
    
    import java.util.List;
    
    import com.frame.student.bean.Student;
    
    public interface StudentService {
    	
    	public int insert(Student entity); 
    	
    	public Student findObject(Student entity);
    	
    	public int update(Student entity);
    	
    	public int delete(Student entity);
    	
    	public List<Student> findList(Student entity);
    	
    }

package com.frame.student.service;
    
    import java.util.List;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    import com.frame.student.bean.Student;
    import com.frame.student.dao.StudentDao;
    
    @Service
    public class StudentServiceImpl implements StudentService{
    
    	@Autowired
     	private StudentDao dao;
    	
    	@Override
    	public int insert(Student entity) {
    		 StringBuffer sb=new  StringBuffer();  
    		 sb.append("insert into STUDENT(stuid,stuname,stutime) values(?,?,?) ");  
    	     Object [] args={entity.getStuid(),entity.getStuname(),entity.getStutime()};
    		return dao.insert(sb.toString(), args);
    	}
    	
    	@Override
    	public Student findObject(Student entity) {
    		 StringBuffer sb=new  StringBuffer();  
    	        sb.append("select * from  STUDENT where  stuid=? and stuname=?  ");  
    	        Object [] args={entity.getStuid(),entity.getStuname()};  
    		return dao.findObject(sb.toString(), args, Student.class);
    	}
    
    	@Override
    	public int update(Student entity) {
    		 StringBuffer sb=new  StringBuffer();  
    	     sb.append("update STUDENT set stuname=? , stutime=? where stuid=? ");  
    	     Object [] args={entity.getStuname(),entity.getStutime(),entity.getStuid()};  
    		return dao.update(sb.toString(), args);
    	}
    
    	@Override
    	public int delete(Student entity) {
    		 StringBuffer sb=new  StringBuffer();  
    	     sb.append("delete from STUDENT where  stuid=? ");  
    	     Object [] args={entity.getStuid()};  
    		return dao.delete(sb.toString(), args);
    	}
    
    	@Override
    	public List<Student> findList(Student entity) {
    		 StringBuffer sb=new  StringBuffer();  
    	     sb.append("select * from STUDENT where 1=1");  
    	     Object [] args={};  
    	     return dao.findList(sb.toString(), args, Student.class);
    	}
    
    }

//studnet控制层

package com.frame.student.controller;
    
    import java.util.List;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.context.annotation.Scope;
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.ModelMap;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    import com.frame.base.controller.BaseController;
    import com.frame.student.bean.Student;
    import com.frame.student.service.StudentService;
    
    @Controller
    @Scope("prototype")
    @RequestMapping("/student")
    public class StudentController extends BaseController{
    
    	//装配service层
    	@Autowired
    	private StudentService service;
    	
    	@RequestMapping("/findStudent.do")
    	public String findStudent(){
    		//获取请求参数
    		String stuid=request.getParameter("stuid");
    		String stuname=request.getParameter("stuname");
    		Student entity=new Student(); 
    		entity.setStuid(stuid);
    		entity.setStuname(stuname);
    		Student resultStudent=service.findObject(entity);
    		if(resultStudent!=null){
    			return "/main/main";
    		}else{
    			return "/error/error";
    		}
    	}
    	
    	@RequestMapping("/findStudentList.do")
    	public String findStudentList(ModelMap map){
    		//获取请求参数
    		Student entity=new Student(); 
    		List<Student> studentList = service.findList(entity);
    		map.addAttribute("studentList", studentList); 
    		
    		return "student/studentList";
    	}
    	
    	@RequestMapping("/insertStudent.do")
    	public String insertStudent(ModelMap map){
    		//获取请求0参数
    		String stuid=request.getParameter("stuid");
    		String stuname=request.getParameter("stuname");
    		String stutime=request.getParameter("stutime");
    		Student entity=new Student(); 
    				entity.setStuid(stuid);
    				entity.setStuname(stuname);
    				entity.setStutime(stutime);
    		service.delete(entity);
    		return "student/insertStudent";
    	}
    	@RequestMapping("/deleteStudent.do")
    	public void deleteStudent(ModelMap map){
    		//获取请求0参数
    		String stuid=request.getParameter("stuid");
    		Student entity=new Student(); 
    		entity.setStuid(stuid);
    		service.delete(entity);
    	}
    	
    	
    	
    	
    }

//index.jsp页面

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'index.jsp' starting page</title>
    	<meta http-equiv="pragma" content="no-cache">
    	<meta http-equiv="cache-control" content="no-cache">
    	<meta http-equiv="expires" content="0">    
    	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    	<meta http-equiv="description" content="This is my page">
    	
      </head>
      
      <body style="text-align: center;">
        	<form action="<%=basePath%>student/findStudent.do">
        		编号:<input name="stuid" type="text" >
        		<br/>
        		姓名:<input name="stuname" type="text" >
        		<br/>
        		<input name="submit" type="submit"  value="Sign Up" />
        	</form>
      </body>
    </html>

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'main.jsp' starting page</title>
        
    	<meta http-equiv="pragma" content="no-cache">
    	<meta http-equiv="cache-control" content="no-cache">
    	<meta http-equiv="expires" content="0">    
    	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    	<meta http-equiv="description" content="This is my page">
    	
    
      </head>
      
      <body>
      	<H2>登陆成功</H2>
    	<div>
    		<ul>
    			<li>
    				<a href="<%=basePath%>/student/findStudentList.do">查询用户列表</a>
    			</li>
    			<li>
    				<a href="<%=basePath%>/student/insertStudent.do">增加用户</a>
    			</li>
    		</ul>
    	</div>
      </body>
    </html>

//发布项目运行

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//源码 http://pan.baidu.com/s/1boUkkHp

[Center]: https://img-blog.csdn.net/20170808183413373?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvcXE4MjcyNDU1NjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[Center 1]: /images/20220610/7d17fc2aa6d54f82a71de379188070d6.png
[Center 2]: /images/20220610/adbef40728854c7ca03181257c8a8bb7.png
[Center 3]: /images/20220610/c2caee82eae74724ae8750b2aee9da69.png
[Center 4]: /images/20220610/c9a0fa9d93a040e682609a54ec69d841.png