Spring+SprinMVC+MyBatis配置方式简易模板代码Demo GitHub访问 ssm-tpl-cfg
一、SQL数据准备
创建数据库test,执行下方SQL创建表ssm-tpl-cfg
/*Navicat Premium Data TransferSource Server : 127.0.0.1Source Server Type : MySQLSource Server Version : 80030Source Host : 127.0.0.1:3306Source Schema : testTarget Server Type : MySQLTarget Server Version : 80030File Encoding : 65001Date: 17/10/2022 00:52:07
*/SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;-- ----------------------------
-- Table structure for ssm-tpl-cfg
-- ----------------------------
DROP TABLE IF EXISTS `ssm-tpl-cfg`;
CREATE TABLE `ssm-tpl-cfg` (`id` bigint NOT NULL COMMENT '主键编号',`name` varchar(255) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '测试名称',PRIMARY KEY (`id`)
) COMMENT '初始SSM表结构数据' ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;-- ----------------------------
-- Records of ssm-tpl-cfg
-- ----------------------------
BEGIN;
INSERT INTO `ssm-tpl-cfg` (`id`, `name`) VALUES (2210162246100000, '王飞飞');
INSERT INTO `ssm-tpl-cfg` (`id`, `name`) VALUES (2210162257100000, '练卓神');
COMMIT;SET FOREIGN_KEY_CHECKS = 1;
二、代码实现
2.1 pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.tpl.ssm.cfg</groupId><artifactId>ssm-tpl-cfg</artifactId><version>0.0.1-SNAPSHOT</version><packaging>war</packaging><properties><spring_version>5.1.18.RELEASE</spring_version><jackson_version>2.9.7</jackson_version></properties><dependencies><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><dependency><groupId>org.springframework</groupId><artifactId>spring-aop</artifactId><version>${spring_version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-aspects</artifactId><version>${spring_version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-beans</artifactId><version>${spring_version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>${spring_version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context-support</artifactId><version>${spring_version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-core</artifactId><version>${spring_version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-expression</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-messaging</artifactId><version>${spring_version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-orm</artifactId><version>${spring_version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-tx</artifactId><version>${spring_version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>${spring_version}</version></dependency><dependency><groupId>com.baomidou</groupId><artifactId>mybatis-plus</artifactId><version>3.4.2</version></dependency><dependency><groupId>com.baomidou</groupId><artifactId>mybatis-plus-annotation</artifactId><version>3.4.2</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>8.0.11</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.2.16</version></dependency><dependency><groupId>com.google.code.gson</groupId><artifactId>gson</artifactId><version>2.8.5</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>2.15.2</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-core</artifactId><version>2.15.2</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-annotations</artifactId><version>2.15.2</version></dependency><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>2.0.7</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId><version>1.7.36</version></dependency><dependency><groupId>io.springfox</groupId><artifactId>springfox-swagger2</artifactId><version>2.7.0</version></dependency><dependency><groupId>io.springfox</groupId><artifactId>springfox-swagger-ui</artifactId><version>2.7.0</version></dependency><dependency><groupId>taglibs</groupId><artifactId>standard</artifactId><version>1.1.2</version></dependency><dependency><groupId>javax.servlet</groupId><artifactId>jstl</artifactId><version>1.2</version></dependency><dependency><groupId>commons-logging</groupId><artifactId>commons-logging</artifactId><version>1.2</version></dependency><dependency><groupId>commons-lang</groupId><artifactId>commons-lang</artifactId><version>2.6</version></dependency><dependency><groupId>commons-collections</groupId><artifactId>commons-collections</artifactId><version>3.2.2</version></dependency><dependency><groupId>commons-beanutils</groupId><artifactId>commons-beanutils</artifactId><version>1.9.4</version></dependency><dependency><groupId>commons-dbcp</groupId><artifactId>commons-dbcp</artifactId><version>1.4</version></dependency><dependency><groupId>commons-pool</groupId><artifactId>commons-pool</artifactId><version>1.6</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.4</version></dependency><dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.11.0</version></dependency><dependency><groupId>org.aspectj</groupId><artifactId>aspectjrt</artifactId><version>1.9.7</version></dependency><dependency><groupId>org.aspectj</groupId><artifactId>aspectjweaver</artifactId><version>1.9.7</version></dependency><dependency><groupId>com.google.code.findbugs</groupId><artifactId>annotations</artifactId><version>2.0.0</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.13.2</version><scope>test</scope></dependency></dependencies>
</project>
2.2 web.xml
<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/javaeehttp://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1"><!-- 加载Spring的配置文件 --><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:config/applicationContext.xml</param-value></context-param><!-- 配置Spring监听器 --><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!-- 配置SpringMvc前端控制器 --><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:config/spring-mvc.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>springmvc</servlet-name><url-pattern>/</url-pattern></servlet-mapping><!-- 配置编码过滤器 --><filter><filter-name>characterEncodingFilter</filter-name><filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class><init-param><param-name>encoding</param-name><param-value>UTF-8</param-value></init-param><init-param><param-name>characterEncodingFilter</param-name><param-value>true</param-value></init-param></filter><filter-mapping><filter-name>characterEncodingFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping>
</web-app>
2.3 resources/config/applicationContext.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:context="http://www.springframework.org/schema/context"xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"><!-- 加载数据库属性文件 --><context:property-placeholder location="classpath:config/db.properties"/><!-- 配置数据库连接池 --><bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"><!-- 四大连接参数 --><property name="driverClassName" value="${jdbc.driverClassName}"/><property name="url" value="${jdbc.url}"/><property name="username" value="${jdbc.username}"/><property name="password" value="${jdbc.password}"/><!-- 连接池配置信息 --><property name="initialSize" value="${jdbc.initialSize}"/><property name="minIdle" value="${jdbc.minIdle}"/><property name="maxActive" value="${jdbc.maxActive}"/><property name="maxWait" value="${jdbc.maxWait}"/><!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 --><property name="timeBetweenEvictionRunsMillis" value="60000"/><!-- 配置一个连接在池中最小生存的时间,单位是毫秒 --><property name="minEvictableIdleTimeMillis" value="300000" /><!-- Druid用来测试连接是否可用的SQL语句,默认值每种数据库都不相同--><property name="validationQuery" value="SELECT 'x'" /><!-- 指明连接是否被空闲连接回收器(如果有)进行检验.如果检测失败,则连接将被从池中去除. --><property name="testWhileIdle" value="true" /><!-- 指明是否在从池中取出连接前进行检验,如果检验失败,则从池中去除连接并尝试取出另一个 --><property name="testOnBorrow" value="false" /><!-- 指明是否在归还到池中前进行检验 --><property name="testOnReturn" value="false" /><!-- 配置监控统计拦截的filters --><property name="filters" value="wall,stat" /></bean><!-- 配置sessionFactory --><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><!-- 注入数据源 --><property name="dataSource" ref="dataSource"/><!-- mapper文件位置 --><property name="mapperLocations" value="classpath:mapper/*DAO.xml"/><!-- mybatis核心配置文件位置 --><property name="configLocation" value="classpath:config/mybatis-config.xml"/></bean><!-- 配置扫描mapper生成代理对象 --><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="basePackage" value="com.tpl.ssm.cfg.dao"/><property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/></bean><!-- 扫描service --><context:component-scan base-package="com.tpl.ssm.cfg.service"/><!-- 配置事务管理器 --><bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"/></bean><!-- 开启注解事务 --><tx:annotation-driven transaction-manager="transactionManager"/>
</beans>
2.4 springmvc配置文件
<?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/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsd"><!-- 开启springMVC注解驱动 --><mvc:annotation-driven/><context:component-scan base-package="com.tpl.ssm.cfg.controller"/><!-- 配置SpringMVC视图解析器 --><bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/pages/"/><property name="suffix" value=".jsp"/></bean><!-- 释放静态资源文件 --><mvc:resources mapping="/js/" location="/js/**"/><mvc:resources mapping="/css/" location="/css/**"/><mvc:resources mapping="/images/" location="/images/**"/><!-- 配置文件上传解析器 --><bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"><property name="maxUploadSize" value="20971520"/><property name="defaultEncoding" value="UTF-8"/></bean>
</beans>
2.5 mybatis配置文件
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configurationPUBLIC "-//mybatis.org//DTD Config 3.0//EN""http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration><!-- 配置信息 --><settings><!-- 映射下划线到驼峰命名 --><setting name="mapUnderscoreToCamelCase" value="true"/><!-- 配置开启二级缓存 --><setting name="cacheEnabled" value="true"/><!-- 开启控制台打印SQL --><setting name="logImpl" value="STDOUT_LOGGING"/></settings><!-- 别名 --><typeAliases><package name="com.tpl.ssm.cfg.entity"/></typeAliases>
</configuration>
2.6 数据库连接信息
# 连接数据库的url地址
jdbc.url=jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=UTF-8
# 加载的类的驱动
jdbc.driverClassName=com.mysql.cj.jdbc.Driver
# 数据库用户名
jdbc.username=root
jdbc.password=root# 初始化连接大小
jdbc.initialSize=10
# 连接池最大使用连接数量
jdbc.maxActive=500
# 连接池最小空闲
jdbc.minIdle=10
# 获取连接最大等待时间
jdbc.maxWait=60000
2.7 Entity
package com.tpl.ssm.cfg.entity;import com.baomidou.mybatisplus.annotation.TableField;
import com.fasterxml.jackson.annotation.JsonIgnore;import java.util.LinkedHashMap;
import java.util.Map;/*** 测试实体*/
public class TestEntity {/*** 主键编号*/private Long id;/*** 测试名称*/private String name;/*** 扩展字段*/@JsonIgnore@TableField(exist = false)private Map<String, Object> ext = new LinkedHashMap<>(5);public Long getId() {return id;}public void setId(Long id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public Map<String, Object> getExt() {return ext;}public void setExt(Map<String, Object> ext) {this.ext = ext;}
}
2.8 Controller
package com.tpl.ssm.cfg.controller;import com.tpl.ssm.cfg.entity.TestEntity;
import com.tpl.ssm.cfg.service.TestService;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;import java.util.List;/*** 1. Spring5.1.x -> jackson2.9.x* 2.The origin server did not find a current representation for the target resource* 原因是WEB-INF只能转发进去, 重定向是进不去的*/
@Controller
@RequestMapping("/test")
public class TestController {private final TestService testService;public TestController(TestService testService) {this.testService = testService;}@GetMapping("/")public String listTests(TestEntity test, Model model) {List<TestEntity> tests = testService.listTests(test);model.addAttribute("tests", tests);return "test";}@PostMapping("/save")public String saveTest(TestEntity test) {testService.saveTest(test);return "redirect:/test/";}@PostMapping("/modify")public String modifyTest(TestEntity test) {testService.modifyTest(test);return "redirect:/test/";}@RequestMapping("/remove")public String removeTest(TestEntity test) {testService.removeTest(test);return "redirect:/test/";}}
2.9 Service
package com.tpl.ssm.cfg.service;import com.tpl.ssm.cfg.entity.TestEntity;import java.util.List;public interface TestService {/*** 测试集** @param cond 查询条件* @return 测试集*/public List<TestEntity> listTests(TestEntity cond);/*** 单一测试实体** @param cond 查询条件* @return 测试实体*/public TestEntity singleTest(TestEntity cond);/*** 新增测试记录** @param cond 查询条件* @return 受影响的条数*/public boolean saveTest(TestEntity cond);/*** @param cond 查询条件* @return 受影响的条数*/public boolean modifyTest(TestEntity cond);/*** 删除一条测试记录** @param cond 查询条件* @return 受影响的条数*/public boolean removeTest(TestEntity cond);/*** 删除多条测试记录** @param testIds 测试实体主键集* @return 受影响的条数*/public boolean removeTests(List<Long> testIds);}
package com.tpl.ssm.cfg.service.impl;import com.tpl.ssm.cfg.dao.TestDAO;
import com.tpl.ssm.cfg.entity.TestEntity;
import com.tpl.ssm.cfg.service.TestService;
import com.tpl.ssm.cfg.util.MajorKeyUtil;
import org.springframework.stereotype.Service;import java.util.List;@Service
public class TestServiceImpl implements TestService {private final TestDAO testDAO;public TestServiceImpl(TestDAO testDAO) {this.testDAO = testDAO;}@Overridepublic List<TestEntity> listTests(TestEntity cond) {return testDAO.listTests(cond);}@Overridepublic TestEntity singleTest(TestEntity cond) {return testDAO.singleTest(cond);}@Overridepublic boolean saveTest(TestEntity cond) {cond.setId(MajorKeyUtil.idSeq());return testDAO.insertTest(cond) > 0;}@Overridepublic boolean modifyTest(TestEntity cond) {return testDAO.updateTest(cond) > 0;}@Overridepublic boolean removeTest(TestEntity cond) {return testDAO.deleteTest(cond) > 0;}@Overridepublic boolean removeTests(List<Long> testIds) {return testDAO.deleteTests(testIds) > 0;}
}
2.10 DAO
package com.tpl.ssm.cfg.dao;import com.tpl.ssm.cfg.entity.TestEntity;import java.util.List;/*** 测试DAO* <p>* 1.查询测试记录列表 - listTests* 2.查询单个测试记录 - singleTest* 3.新增测试记录 - insertTest* 4.修改测试记录 - updateTest* 5.删除测试记录 - deleteTest* 6.根据主键集删除测试记录 - deleteTests*/
public interface TestDAO {/*** 测试集** @param cond 查询条件* @return 测试集*/public List<TestEntity> listTests(TestEntity cond);/*** 单一测试实体** @param cond 查询条件* @return 测试实体*/public TestEntity singleTest(TestEntity cond);/*** 新增测试记录** @param cond 查询条件* @return 受影响的条数*/public int insertTest(TestEntity cond);/*** @param cond 查询条件* @return 受影响的条数*/public int updateTest(TestEntity cond);/*** 删除一条测试记录** @param cond 查询条件* @return 受影响的条数*/public int deleteTest(TestEntity cond);/*** 删除多条测试记录** @param testIds 测试实体主键集* @return 受影响的条数*/public int deleteTests(List<Long> testIds);}
<?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.tpl.ssm.cfg.dao.TestDAO"><!-- 基础查询 sql 片段 --><sql id="baseSelect">SELECT id, name</sql><!-- 基础查询 where 片段 --><sql id="baseWhere"><if test="id != null">AND id = #{id}</if><if test="name != null and name != ''">AND name like CONCAT('%', #{name})</if></sql><!-- 查询测试记录列表 --><select id="listTests" parameterType="com.tpl.ssm.cfg.entity.TestEntity" resultType="com.tpl.ssm.cfg.entity.TestEntity"><include refid="baseSelect"/>FROM `ssm-tpl-cfg`WHERE1 = 1<include refid="baseWhere"/></select><!-- 查询单个测试记录 --><select id="singleTest" parameterType="com.tpl.ssm.cfg.entity.TestEntity" resultType="com.tpl.ssm.cfg.entity.TestEntity"><include refid="baseSelect"/>FROM `ssm-tpl-cfg`WHERE1 = 1<include refid="baseWhere"/>limit 1</select><!-- 新增测试记录 --><insert id="insertTest" parameterType="com.tpl.ssm.cfg.entity.TestEntity">INSERT INTO `ssm-tpl-cfg`(id, name)VALUES (#{id}, #{name})</insert><!-- 修改测试记录 --><update id="updateTest" parameterType="com.tpl.ssm.cfg.entity.TestEntity">UPDATE `ssm-tpl-cfg`SET<if test="name != null and name != ''">name = #{name}</if>WHERE id = #{id}</update><!-- 删除测试记录 --><delete id="deleteTest" parameterType="com.tpl.ssm.cfg.entity.TestEntity">DELETEFROM `ssm-tpl-cfg`WHERE 1 = 1<include refid="baseWhere"/></delete><!-- 根据主键集删除测试记录 --><delete id="deleteTests" parameterType="long">DELETEFROM `ssm-tpl-cfg`WHERE id in<foreach collection="item" open="(" separator="," close=")">#{item}</foreach></delete>
</mapper>
2.11 MajorKeyUtil
package com.tpl.ssm.cfg.util;import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.atomic.AtomicInteger;/*** 主键生成器* <p>* https://blog.csdn.net/weixin_42871989/article/details/100133736* 本类用于获取mysql全局自增主键,格式为* 时间戳(yyMMddHHmm) + 5 位自增,自增范围根据配置获取(也可以加上秒yyMMddHHmmss)*/
public class MajorKeyUtil {private static final DateFormat df = new SimpleDateFormat("yyMMddHHmm");//主键时间戳private static final int MAX_SEQ = 0; // 计数位最大值private static final int RESET_SEQ = 99999; //计数位重置初始值(可以自行设置)private static final AtomicInteger seq = new AtomicInteger(RESET_SEQ); //计数器/*** 生成全局自增主键,字符串类型** @return 生成的主键*/public static String getSeq() {seq.compareAndSet(MAX_SEQ, RESET_SEQ); //判断是否进行重置return df.format(new Date()) + String.format("%05d", seq.incrementAndGet());}/*** 生成全局自增主键,long类型** @return 生成的主键*/public static Long idSeq() {String str = getSeq();return Long.parseLong(str);}}
2.12 webapps/pages/test.jsp
<%--Created by IntelliJ IDEA.User: wangfeihuDate: 2022/10/16Time: 18:35To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head><title>CRUD TEST</title>
</head>
<body>
<table><c:forEach items="${tests}" var="test"><tr><td>${test.id}</td><td>${test.name}</td><td><button onclick="let modifyForms = document.getElementsByName('modifyForm'); modifyForms.forEach(item => item.style.display = 'none'); document.getElementById('form${test.id}').style.display = 'inline'">修改</button><button onclick="location.href='${pageContext.request.contextPath}/test/remove?id=${test.id}'">删除</button></td><td><form id="form${test.id}" name="modifyForm" action="${pageContext.request.contextPath}/test/modify" method="post" style="display: none"><input hidden name="id" value="${test.id}"><input name="name" value="${test.name}"><button type="submit">确认修改</button></form></td></tr></c:forEach>
</table><form action="${pageContext.request.contextPath}/test/save" method="post"><label><input name="name" id="name" placeholder="请输入测试名称~"></label><button type="submit">提交</button>
</form>
</body>
</html>
2.13 配置项目访问路径
三、访问测试
访问 http://127.0.0.1:8080/ssm_tpl_cfg/test/
一个简易基于配置的增删改查就实现了