Spring学习笔记（一）aop报错信息（Spring AOP的纯注解配置）（Spring & SpringMVC）

spring的aop和ioc

注解方式

懒加载

销毁

 

ioc

spring使用注解配置类

项目概述

pom文件

<?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.gds</groupId>
    <artifactId>spring-5</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.0.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>5.0.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.46</version>
        </dependency>
        <dependency>
            <groupId>commons-dbutils</groupId>
            <artifactId>commons-dbutils</artifactId>
            <version>1.6</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>

实体类

package com.gds.bean;

import java.io.Serializable;

/**
 * @Author 龚道松
 * @Date 2019/7/19 7:38
 * @Version 1.0
 **/
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;
    }

    @Override
    public String toString() {
        return "Account{" +
                "id=" + id +
                ", name='" + name + '\'' +
                ", money=" + money +
                '}';
    }
}

配置类

package com.gds.config;

import com.mchange.v2.c3p0.ComboPooledDataSource;
import org.apache.commons.dbutils.QueryRunner;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.PropertySource;
import org.springframework.context.annotation.Scope;

import javax.sql.DataSource;

/**
 * @Author 龚道松
 * @Date 2019/7/19 17:15
 * @Version 1.0
 **/

public class jdbcconfig {

    @Value("${jdbc.driver}")
    private String driver;
    @Value("${jdbc.url}")
    private String url;
    @Value("${jdbc.username}")
    private String username;
    @Value("${jdbc.password}")
    private String password;


    @Bean(name = "runner")
   // @Scope("prototype")
    public QueryRunner createquery(DataSource dataSource){
        return new QueryRunner(dataSource);
    }

    @Bean(name = "dataSource")
    public DataSource createdatasource(){
        ComboPooledDataSource dataSource = new ComboPooledDataSource();
        try {
            dataSource.setDriverClass(driver);
            dataSource.setJdbcUrl(url);
            dataSource.setUser(username);
            dataSource.setPassword(password);
            return dataSource;
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

主配置类

package com.gds.config;

import org.springframework.context.annotation.*;

/**
 * @Author 龚道松
 * @Date 2019/7/19 16:35
 * @Version 1.0
 **/
//@Configuration
@ComponentScan("com.gds")
@Import(jdbcconfig.class)
@PropertySource("classpath:jdbc.properties")
public class Myconfig {


}

dao（接口省略）

package com.gds.dao.impl;

import com.gds.bean.Account;
import com.gds.dao.AccoutDao;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.List;

/**
 * @Author 龚道松
 * @Date 2019/7/19 8:08
 * @Version 1.0
 **/
@Repository("accountDao")
public class AccountDaoImpl implements AccoutDao {


    @Autowired
    private QueryRunner runner;


    @Override
    public List<Account> findAllAccount() {
        try {

        return runner.query("select * from account", new BeanListHandler<Account>(Account.class));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    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);
        }
    }

    @Override
    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);
        }
    }

    @Override
    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);
        }
    }

    @Override
    public void deleteAccount(Integer accountId) {
        try {
            runner.update("delete from account where id=?",accountId);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

service（实现类省略）

package com.gds.service.impl;

import com.gds.bean.Account;
import com.gds.dao.impl.AccountDaoImpl;
import com.gds.service.AccountService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * @Author 龚道松
 * @Date 2019/7/19 7:42
 * @Version 1.0
 **/
@Service("accountService")
public class AccountServiceImpl implements AccountService {

    @Autowired
    AccountDaoImpl accountDao;

    @Override
    public List<Account> findAllAccount() {
        return accountDao.findAllAccount();
    }

    @Override
    public Account findAccountById(Integer accountId) {
        return accountDao.findAccountById(accountId);
    }

    @Override
    public void saveAccount(Account account) {
        accountDao.saveAccount(account);
    }

    @Override
    public void updateAccount(Account account) {
        accountDao.updateAccount(account);
    }

    @Override
    public void deleteAccount(Integer accountId) {

        accountDao.deleteAccount(accountId);
    }
}

jdbc配置

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/eesy
jdbc.username=root
jdbc.password=123456

spring测试类

import com.gds.bean.Account;
import com.gds.config.Myconfig;
import com.gds.service.AccountService;
import org.apache.commons.dbutils.QueryRunner;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import java.util.List;

/**
 * @Author 龚道松
 * @Date 2019/7/19 9:32
 * @Version 1.0
 **/

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = Myconfig.class)
public class AccountTest {

    @Autowired
    AccountService accountService;

    @Test
    public void runner(){
        ApplicationContext app = new AnnotationConfigApplicationContext(Myconfig.class);
        QueryRunner runner = app.getBean("runner",QueryRunner.class);
        QueryRunner runner1 = app.getBean("runner",QueryRunner.class);
        System.out.println(runner==runner1);

    }

    @Test
    public void testAll(){
        List<Account> allAccount = accountService.findAllAccount();
        for (Account account : allAccount){
            System.out.println(account);
        }
    }

    @Test
    public void testone(){
        Account accountById = accountService.findAccountById(7);
        System.out.println(accountById);
    }

    @Test
    public void testsave(){
        Account account = new Account();
        account.setName("hello");
        account.setMoney(12345f);
        accountService.saveAccount(account);
        System.out.println(account);
    }


    @Test
    public void testupdate(){
        Account account = accountService.findAccountById(7);
        account.setName("lisi");
        account.setMoney(123456789f);
        accountService.updateAccount(account);
        System.out.println(account);
    }

    @Test
    public void testdelete(){
        accountService.deleteAccount(12);
    }
}

sprngAOP配置

 

aop报错信息

配置aop事务

配置事务的三步

注解配置

跨域，同源策略

案例源码：https://gitee.com/gongdaosong/spring-aop.git

https://gitee.com/gongdaosong/spring-ioc.git