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pom.xml文件
<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.zzxt</groupId>
<artifactId>spring.mvc</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>spring.mvc Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<spring.version>5.0.7.RELEASE</spring.version>
</properties>
<dependencies>
<!-- 娣诲姞Servlet鏀寔 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.1</version>
</dependency>
<!-- 娣诲姞jtl鏀寔 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- 娣诲姞Spring鏀寔 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</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-context-support</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-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Mysql椹卞姩鍖?-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.46</version>
</dependency>
<!--闃块噷鏁版嵁搴撹繛鎺ユ睜 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.10</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>spring.mvc</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>public</id>
<name>aliyun nexus</name>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<releases>
<enabled>true</enabled>
</releases>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>public</id>
<name>aliyun nexus</name>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>false</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
</project>
applacationContext-mvc.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: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.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package="com.zzxt.spring.mvc.restful.action"></context:component-scan>
<!--
少了这句话就会出现
No mapping found for HTTP request with URI [/spring.mvc/student/manager] in DispatcherServlet with name 'DispatcherServlet'
-->
<mvc:annotation-driven />
<!--
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/views/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
目的是为了不在Controller层定义空的方法来进入insertInfo页面
-->
<mvc:view-controller path="/editStuInfo" view-name="/views/stu/insertInfo.jsp"/>
</beans>
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: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">
<!--
-->
<context:component-scan base-package="com.zzxt.spring.mvc.restful.service"></context:component-scan>
<context:component-scan base-package="com.zzxt.spring.mvc.restful.dao"></context:component-scan>
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
<property name="url" value="jdbc:mysql://localhost:3306/test"></property>
<property name="username" value="root"></property>
<property name="password" value="root"></property>
</bean>
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="dataSource"></property>
</bean>
<bean id="namedParameterJdbcTemplate" class="org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate">
<constructor-arg name="dataSource" ref="dataSource"></constructor-arg>
</bean>
<!--
<bean id="bankDaoImpl" class="com.zzxt.spring.mvc.hello.entity.BankDaoImpl">
<property name="jdbcTemplate" ref="jdbcTemplate"></property>
<property name="namedParameterJdbcTemplate" ref="namedParameterJdbcTemplate"></property>
</bean>
-->
</beans>
com.zzxt.spring.mvc.restful.dao文件夹下
stuInfoDao.java
package com.zzxt.spring.mvc.restful.dao;
import java.util.List;
import org.springframework.stereotype.Repository;
import com.zzxt.spring.mvc.restful.entity.Student;
@Repository
public interface StuInfoDao {
public void insertStuInfo(Student ci);
public List<Student> getStuInfo();
public Student searchStuInfoById(String stuNo);
public void delStuInfo(String stuNo);
public void updateInfo(Student stu,String stuNo);
}
stuInfoDaoImpl
package com.zzxt.spring.mvc.restful.dao;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.stereotype.Repository;
import com.zzxt.spring.mvc.restful.entity.Student;
@Repository
public class StuInfoDaoImpl implements StuInfoDao{
@Autowired
private JdbcTemplate jdbcTemplate;
@Autowired
private NamedParameterJdbcTemplate namedParameterJdbcTemplate;
/*
*
* 增加学生信息
*
* */
public void insertStuInfo(Student ci){
System.out.println("=======>开始注入信息");
String sql = "insert into stu_info values (:stuNo,:stuName,:gender,:age,:classNo)";
Map<String,Object> map = new HashMap<String,Object>();
map.put("stuNo", ci.getStuNo());
map.put("stuName", ci.getStuName());
map.put("gender", ci.getGender());
map.put("age",ci.getAge());
map.put("classNo", ci.getClassNo());
System.out.println("======>" + ci.getStuNo());
namedParameterJdbcTemplate.update(sql,map);
}
/*
* 查询所有学生信息
*
* */
public List<Student> getStuInfo() {
String sql = "select * from stu_info";
return jdbcTemplate.query(sql, new RowMapper<Student>() {
public Student mapRow(ResultSet rs, int rowNum) throws SQLException {
//创建一个学生信息结构对象,并利用set方法进行初始化
Student st = new Student();
st.setStuNo(rs.getString("stuNo"));
st.setStuName(rs.getString("stuName"));
st.setGender(rs.getString("gender"));
st.setAge(rs.getInt("age"));
st.setClassNo(rs.getString("classNo"));
return st;
}
});
}
/*
*
* 查询特定学生信息
*
* */
public Student searchStuInfoById(String stuNo){
String sql = "select * from stu_info where stuNo=?";
return jdbcTemplate.queryForObject(sql, new Object[] {stuNo}, new RowMapper<Student>() {
public Student mapRow(ResultSet rs, int rowNum) throws SQLException {
Student st = new Student();
st.setStuNo(rs.getString("stuNo"));
st.setStuName(rs.getString("stuName"));
st.setGender(rs.getString("gender"));
st.setAge(rs.getInt("age"));
st.setClassNo(rs.getString("classNo"));
return st;
}
});
}
/*
*
*
* 修改学生信息
*
*
* */
public void updateInfo(Student stu,String stuNo) {
String sql = "update stu_info set stuName=?, gender=?, age=?,classNo=? where stuNo=?";
jdbcTemplate.update(sql, new Object[] {stu.getStuName(),stu.getGender(),stu.getAge(),stu.getClassNo(),stuNo});
}
/*
*
*
* 删除学生信息
*
*
*
* */
public void delStuInfo(String stuNo) {
// TODO Auto-generated method stub
String sql = "delete from stu_info where stuNo = ?";
jdbcTemplate.update(sql, new Object[] {stuNo});
}
}
com.zzxt.spring.mvc.restful.service包下的
StuService.java接口
package com.zzxt.spring.mvc.restful.service;
import java.util.List;
import org.springframework.stereotype.Service;
import com.zzxt.spring.mvc.restful.entity.Student;
@Service
public interface StuService {
public void addStuInfo(Student ci);
public List<Student> getStuInfo();
public Student updateStuInfo(String stuNo);
public void delStuInfo(String stuNo);
public void doUpdateStuInfo(Student stu,String stuNo);
}
StuServiceImpl.java上面接口的实现
package com.zzxt.spring.mvc.restful.service;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzxt.spring.mvc.restful.dao.StuInfoDao;
import com.zzxt.spring.mvc.restful.entity.Student;
@Service
public class StuServiceImpl implements StuService{
/*
*
* servic层我认为起到了信息转换的作用
*
* */
@Autowired
private StuInfoDao stuInfoDao;
//添加学生信息
public void addStuInfo(Student ci) {
// TODO Auto-generated method stub
stuInfoDao.insertStuInfo(ci);
}
//查询所有学生信息
public List<Student> getStuInfo() {
return stuInfoDao.getStuInfo();
}
//修改学生信息初始化页面
public Student updateStuInfo(String stuNo) {
// TODO Auto-generated method stu
return stuInfoDao.searchStuInfoById(stuNo);
}
//删除学生信息
public void delStuInfo(String stuNo) {
// TODO Auto-generated method stub
stuInfoDao.delStuInfo(stuNo);
}
//修改学生信息
public void doUpdateStuInfo(Student stu,String stuNo) {
// TODO Auto-generated method stub
stuInfoDao.updateInfo(stu,stuNo);
}
}
com.zzxt.spring.mvc.restful.entity包下
Student.java
package com.zzxt.spring.mvc.restful.entity;
import org.springframework.stereotype.Component;
@Component
public class Student {
private String stuNo;
private String stuName;
private String gender;
private String classNo;
private int age;
public String getStuNo() {
return stuNo;
}
public void setStuNo(String stuNo) {
this.stuNo = stuNo;
}
public String getStuName() {
return stuName;
}
public void setStuName(String stuName) {
this.stuName = stuName;
}
public String getGender() {
return gender;
}
public void setGender(String string) {
this.gender = string;
}
public String getClassNo() {
return classNo;
}
public void setClassNo(String classNo) {
this.classNo = classNo;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
com.zzxt.spring.mvc.restful.action包下
stuController.java
package com.zzxt.spring.mvc.restful.action;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.zzxt.spring.mvc.restful.entity.Student;
import com.zzxt.spring.mvc.restful.service.StuService;
@Controller
@RequestMapping("/student")
public class stuController {
@Autowired
private StuService stuServices;
//显示学生信息
@RequestMapping("/list")
public String stuList(Map<String,Object> map) {
map.put("student", stuServices.getStuInfo());
return "/views/stu/showView.jsp";
}
//增加学生信息
@RequestMapping(value="/manager",method=RequestMethod.POST)
public String addStuInfo(Student ci) {
//System.out.println("我运行到了页面转接处");
stuServices.addStuInfo(ci);
return "redirect:list";
}
//更新页面初始化; 这段代码要熟记。
@RequestMapping(value="/updateInit/{stuNo}",method=RequestMethod.GET)
public String updateInit(@PathVariable("stuNo") String stuNo,Map<String,Object> map) {
map.put("student", stuServices.updateStuInfo(stuNo));
return "/views/stu/insertInfo.jsp";
}
// 更新后跳转
@RequestMapping(value="/manager",method=RequestMethod.PUT)
public String update(Student ci) {
stuServices.doUpdateStuInfo(ci,ci.getStuNo());
return "redirect:list";
}
//删除学生信息
@RequestMapping(value="/delete/{stuNo}",method=RequestMethod.GET)
public String deleteInit(@PathVariable("stuNo") String stuNo,Map<String,Object> map) {
stuServices.delStuInfo(stuNo);
map.put("student", stuServices.getStuInfo());
return "/views/stu/showView.jsp";
}
}
jsp页面代码
insertInfo.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!--
老哥下次配置绝对路径要配全
-->
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<c:set var="ctxPath" value="${pageContext.request.contextPath }"></c:set>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>学生信息网页录入</title>
</head>
<body>
<form action="${ctxPath}/student/manager" method="post">
<!-- 修改信息时使用put方法 -->
<c:if test="${student.stuNo != null}">
<input type="hidden" name="_method" value="PUT">
</c:if>
<table align="center" border="1px" bordercolor="blue">
<tr>
<th colspan="2" align="center">添加学生信息</th>
</tr>
<tr>
<td align="center">学生学号</td><td align="left"><input type="text" name="stuNo" value="${student.stuNo }"></td>
</tr>
<tr>
<td align="center">学生姓名</td><td align="left"><input type="text" name="stuName"value="${student.stuName }"></td>
</tr>
<tr>
<td align="center">学生性别</td><td align="left"><input type="text" name="gender"value="${student.gender }"></td>
</tr>
<tr>
<td align="center">学生年龄</td><td align="left"><input type="text" name="age"value="${student.age }"></td>
</tr>
<tr>
<td align="center">学生班级</td><td align="left"><input type="text" name="classNo"value="${student.classNo }"></td>
</tr>
<tr>
<td align="center" colspan="2">
<input type="submit" name="提交" value="添加">
<input type="reset" name="重置" value="重置">
</td>
</tr>
</table>
</form>
</body>
</html>
showView.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!--
//-->
<c:set var="ctxPath" value="${pageContext.request.contextPath }"></c:set>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>学生信息列表</title>
</head>
<body>
<div align="center">
<h3>学生信息列表</h3>
<hr>
<table border="1px">
<tr><th>学号</th><th>姓名</th><th>性别</th><th>年龄</th><th>班级</th><th>操作</th></tr>
<c:forEach items="${student }" var="stu">
<tr>
<td>${stu.stuNo}</td>
<td>${stu.stuName }</td>
<td>${stu.gender }</td>
<td>${stu.age }</td>
<td>${stu.classNo }</td>
<td><a href="${ctxPath }/student/delete/${stu.stuNo}">删除</a>
<!--
通过/方式传参,需要配置
-->
<a href="${ctxPath }/student/updateInit/${stu.stuNo}">更新</a></td>
</tr>
</c:forEach>
</table>
</div>
</body>
</html>
以下是我eclipse下的文件分布, 哈哈,
比较乱
web.xml文件
<?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>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath:applicationContext-jdbc.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:applicationContext-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>DispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<filter>
<filter-name>HiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>HiddenHttpMethodFilter</filter-name>
<servlet-name>DispatcherServlet</servlet-name>
</filter-mapping>
</web-app>
有些地方不是很完善,只提供大致思路。