@EnableDistributedTransaction 在teacher和student的application.properties文件中设置地址 #配置事务管理器TxManager的事务端口 tx-lcn.client.manager-address: 127.0.0.1:8070 代码 @AutowiredprivateTeacherFeign teacherFeign; @AutowiredprivateStudentMapper studentMapper; @Transactional @TcTransactionpublicString addStudent(...
AI检测代码解析 create table student( id int primary key auto_increment, uname varchar(60), age int ) engine=Memory; 1. 2. 3. 4. 5. 3.InnoDB 自增主键 在面试的过程中我们经常看到这样一道面试题: 在一个自增表里面一共有 5 条数据,id 从 1 到 5,删除了最后两条数据,也就是 id 为 4 ...
Billing and Invoice Where can I find my invoices? What are your accepted payment methods? Do you offer student discounts? Will I retain my configurations when I change plans? How do I cancel my paid plan? What happens if my payment fails? For example, if my credit card expires?
package com.atguigu.common.to.mq; /** * Data time:2022/4/14 20:21 * StudentID:2019112118 * Author:hgw * Description: 详情单 */ @Data public class StockDetailTo { private Long id; /** * sku_id */ private Long skuId; /** * sku_name */ private String skuName; /** * 购买个...
2 class StudentForm(forms.ModelForm): 3 class Meta: 4 #不需要一个一个的编辑了,只需要用自带的方法即可,即排除 5 model = Students 6 7 # 表单内除了'is_deleted'这个字段外,其他的都需要,使用exclude方法 8 exclude = ['is_deleted']
Do you offer student discounts? Will I retain my configurations when I change plans? How do I cancel my paid plan? What happens if my payment fails? For example, if my credit card expires? Can I change my email address associated with the accounts afterward?
group by studentID having count(score)>1 说明:接上面例子,显示分组后count(score)>1的行,由于where只能在没有分组时使用,分组后只能使用having来限制条件, 4.多表联接查询 1).内联接 ①在where子句中指定联接条件 例:select a.name,b.mark from a,b ...
{ System.out.println("servicEcho当前线程:"+Thread.currentThread().getName()+"| 线程任务数"+i+"| 输出:"+service.echo("Hello AMQP!")); System.out.println("serviceStudent当前线程:"+Thread.currentThread().getName()+"| 线程任务数"+i+"| 输出:"+service.getStudent(null).getName()); } ...
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student: {name: qinjiang,age: 3} 1. 数组( List、set ) 用- 值表示数组中的一个元素,比如: AI检测代码解析 pets: - cat - dog - pig 1. 2. 3. 4. 行内写法 AI检测代码解析 pets: [cat,dog,pig] 1. 修改SpringBoot的默认端口号