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<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.learn</groupId><artifactId>day02_learn_02account_xmlioc</artifactId><version>1.0-SNAPSHOT</version><packaging>jar</packaging><dependencies><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>5.0.2.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>5.0.2.RELEASE</version></dependency><dependency><groupId>commons-dbutils</groupId><artifactId>commons-dbutils</artifactId><version>1.4</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.45</version></dependency><dependency><groupId>c3p0</groupId><artifactId>c3p0</artifactId><version>0.9.1.2</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version></dependency></dependencies> </project> package com.learn.dao.impl;import com.learn.dao.IAccountDao; import com.learn.domain.Account; import org.apache.commons.dbutils.QueryRunner; import org.apache.commons.dbutils.handlers.BeanHandler; import org.apache.commons.dbutils.handlers.BeanListHandler;import java.util.List;/*** 賬戶的持久層實現類*/ public class AccountDaoImpl implements IAccountDao {private QueryRunner runner;public void setRunner(QueryRunner runner) {this.runner = runner;}public List<Account> findAllAccount() {try{return runner.query("select * from account",new BeanListHandler<Account>(Account.class));}catch (Exception e) {throw new RuntimeException(e);}}public Account findAccountById(Integer accountId) {try{return runner.query("select * from account where id = ? ",new BeanHandler<Account>(Account.class),accountId);}catch (Exception e) {throw new RuntimeException(e);}}public void saveAccount(Account account) {try{runner.update("insert into account(name,money)values(?,?)",account.getName(),account.getMoney());}catch (Exception e) {throw new RuntimeException(e);}}public void updateAccount(Account account) {try{runner.update("update account set name=?,money=? where id=?",account.getName(),account.getMoney(),account.getId());}catch (Exception e) {throw new RuntimeException(e);}}public void deleteAccount(Integer accountId) {try{runner.update("delete from account where id=?",accountId);}catch (Exception e) {throw new RuntimeException(e);}} } package com.learn.domain;import java.io.Serializable;/*** 賬戶的實體類*/ public class Account implements Serializable {private Integer id;private String name;private Float money;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 Float getMoney() {return money;}public void setMoney(Float money) {this.money = money;}@Overridepublic String toString() {return "Account{" +"id=" + id +", name='" + name + '\'' +", money=" + money +'}';} } package com.learn.service;import com.learn.domain.Account;import java.util.List;/*** 賬戶的業務層接口*/ public interface IAccountService {/*** 查詢所有* @return*/List<Account> findAllAccount();/*** 查詢一個* @return*/Account findAccountById(Integer accountId);/*** 保存* @param account*/void saveAccount(Account account);/*** 更新* @param account*/void updateAccount(Account account);/*** 刪除* @param acccountId*/void deleteAccount(Integer acccountId);} package com.learn.service.impl;import com.learn.dao.IAccountDao; import com.learn.domain.Account; import com.learn.service.IAccountService;import java.util.List;/*** 賬戶的業務層實現類*/ public class AccountServiceImpl implements IAccountService{private IAccountDao accountDao;public void setAccountDao(IAccountDao accountDao) {this.accountDao = accountDao;}public List<Account> findAllAccount() {return accountDao.findAllAccount();}public Account findAccountById(Integer accountId) {return accountDao.findAccountById(accountId);}public void saveAccount(Account account) {accountDao.saveAccount(account);}public void updateAccount(Account account) {accountDao.updateAccount(account);}public void deleteAccount(Integer acccountId) {accountDao.deleteAccount(acccountId);} } <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd"><!-- 配置Service --><bean id="accountService" class="com.learn.service.impl.AccountServiceImpl"><!-- 注入dao --><property name="accountDao" ref="accountDao"></property></bean><!--配置Dao對象--><bean id="accountDao" class="com.learn.dao.impl.AccountDaoImpl"><!-- 注入QueryRunner --><property name="runner" ref="runner"></property></bean><!--配置QueryRunner--><bean id="runner" class="org.apache.commons.dbutils.QueryRunner" scope="prototype"><!--注入數據源--><constructor-arg name="ds" ref="dataSource"></constructor-arg></bean><!-- 配置數據源 --><bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"><!--連接數據庫的必備信息--><property name="driverClass" value="com.mysql.jdbc.Driver"></property><property name="jdbcUrl" value="jdbc:mysql://localhost:3306/test"></property><property name="user" value="root"></property><property name="password" value="123456"></property></bean> </beans> package com.learn.dao;import com.learn.domain.Account;import java.util.List;/*** 賬戶的持久層接口*/ public interface IAccountDao {/*** 查詢所有* @return*/List<Account> findAllAccount();/*** 查詢一個* @return*/Account findAccountById(Integer accountId);/*** 保存* @param account*/void saveAccount(Account account);/*** 更新* @param account*/void updateAccount(Account account);/*** 刪除* @param acccountId*/void deleteAccount(Integer acccountId); } package com.learn.test;import com.learn.domain.Account; import com.learn.service.IAccountService; 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 java.util.List;/*** 使用Junit單元測試：測試我們的配置*/ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = "classpath:bean.xml") public class AccountServiceTest {@Autowiredprivate IAccountService as;@Testpublic void testFindAll() {//3.執行方法List<Account> accounts = as.findAllAccount();for(Account account : accounts){System.out.println(account);}}@Testpublic void testFindOne() {//3.執行方法Account account = as.findAccountById(1);System.out.println(account);}@Testpublic void testSave() {Account account = new Account();account.setName("test");account.setMoney(12345f);//3.執行方法as.saveAccount(account);}@Testpublic void testUpdate() {//3.執行方法Account account = as.findAccountById(4);account.setMoney(23456f);as.updateAccount(account);}@Testpublic void testDelete() {//3.執行方法as.deleteAccount(4);} }

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