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终身学习网 > IT > 软件开发 > 后端开发 > Java

Spring Cloud入门系列(一)——准备工作

Java 更新时间:发布时间: 百科书网 趣学号
微服务组件总览


版本选型

Spring Cloud官方文档:https://spring.io/projects/spring-cloud

Spring Cloud  Hoxton.SR1
Spring Boot   2.2.2.RELEASE
新建父工程


父工程pom




  4.0.0

  com.amigou
  cloud2022
  1.0-SNAPSHOT
  pom

  Maven
  
  http://maven.apache.org/
  2001

  
    
      website
      scp://webhost.company.com/www/website
    
  

  
  
    UTF-8
    1.8
    1.8
    4.12
    1.2.17
    1.16.18
    8.0.18
    1.1.16
    1.1.10
    2.2.2.RELEASE
    Hoxton.SR1
    2.1.0.RELEASE
    1.3.0
    2.1.1
    5.1.0
  
  
  
    
      
      
        org.springframework.boot
        spring-boot-dependencies
        2.2.2.RELEASE
        pom
        import
      
      
      
        org.springframework.cloud
        spring-cloud-dependencies
        Hoxton.SR1
        pom
        import
      
      
      
        com.alibaba.cloud
        spring-cloud-alibaba-dependencies
        2.1.0.RELEASE
        
        pom
        import
      
      
        mysql
        mysql-connector-java
        ${mysql.version}
      
      
        com.alibaba
        druid
        ${druid.version}
      
      
        com.alibaba
        druid-spring-boot-starter
        ${druid.spring.boot.starter.version}
      
      
        org.mybatis.spring.boot
        mybatis-spring-boot-starter
        ${mybatis-spring-boot-starter.version}
      
      
        org.projectlombok
        lombok
        ${lombok.version}
      
    
  
  
    
      
      
        org.springframework.boot
        spring-boot-maven-plugin
        2.2.1.RELEASE
        
          true
          true
        
      
    
  
  




准备数据库

新建一个 名为 cloud2020 的数据库。运行以下SQL命令






CREATE TABLE `config_info` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `data_id` varchar(255) NOT NULL COMMENT 'data_id',
  `group_id` varchar(255) DEFAULT NULL,
  `content` longtext NOT NULL COMMENT 'content',
  `md5` varchar(32) DEFAULT NULL COMMENT 'md5',
  `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
  `src_user` text COMMENT 'source user',
  `src_ip` varchar(20) DEFAULT NULL COMMENT 'source ip',
  `app_name` varchar(128) DEFAULT NULL,
  `tenant_id` varchar(128) DEFAULT '' COMMENT '租户字段',
  `c_desc` varchar(256) DEFAULT NULL,
  `c_use` varchar(64) DEFAULT NULL,
  `effect` varchar(64) DEFAULT NULL,
  `type` varchar(64) DEFAULT NULL,
  `c_schema` text,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_configinfo_datagrouptenant` (`data_id`,`group_id`,`tenant_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_info';





CREATE TABLE `config_info_aggr` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `data_id` varchar(255) NOT NULL COMMENT 'data_id',
  `group_id` varchar(255) NOT NULL COMMENT 'group_id',
  `datum_id` varchar(255) NOT NULL COMMENT 'datum_id',
  `content` longtext NOT NULL COMMENT '内容',
  `gmt_modified` datetime NOT NULL COMMENT '修改时间',
  `app_name` varchar(128) DEFAULT NULL,
  `tenant_id` varchar(128) DEFAULT '' COMMENT '租户字段',
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_configinfoaggr_datagrouptenantdatum` (`data_id`,`group_id`,`tenant_id`,`datum_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='增加租户字段';






CREATE TABLE `config_info_beta` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `data_id` varchar(255) NOT NULL COMMENT 'data_id',
  `group_id` varchar(128) NOT NULL COMMENT 'group_id',
  `app_name` varchar(128) DEFAULT NULL COMMENT 'app_name',
  `content` longtext NOT NULL COMMENT 'content',
  `beta_ips` varchar(1024) DEFAULT NULL COMMENT 'betaIps',
  `md5` varchar(32) DEFAULT NULL COMMENT 'md5',
  `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
  `src_user` text COMMENT 'source user',
  `src_ip` varchar(20) DEFAULT NULL COMMENT 'source ip',
  `tenant_id` varchar(128) DEFAULT '' COMMENT '租户字段',
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_configinfobeta_datagrouptenant` (`data_id`,`group_id`,`tenant_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_info_beta';





CREATE TABLE `config_info_tag` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `data_id` varchar(255) NOT NULL COMMENT 'data_id',
  `group_id` varchar(128) NOT NULL COMMENT 'group_id',
  `tenant_id` varchar(128) DEFAULT '' COMMENT 'tenant_id',
  `tag_id` varchar(128) NOT NULL COMMENT 'tag_id',
  `app_name` varchar(128) DEFAULT NULL COMMENT 'app_name',
  `content` longtext NOT NULL COMMENT 'content',
  `md5` varchar(32) DEFAULT NULL COMMENT 'md5',
  `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
  `src_user` text COMMENT 'source user',
  `src_ip` varchar(20) DEFAULT NULL COMMENT 'source ip',
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_configinfotag_datagrouptenanttag` (`data_id`,`group_id`,`tenant_id`,`tag_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_info_tag';





CREATE TABLE `config_tags_relation` (
  `id` bigint(20) NOT NULL COMMENT 'id',
  `tag_name` varchar(128) NOT NULL COMMENT 'tag_name',
  `tag_type` varchar(64) DEFAULT NULL COMMENT 'tag_type',
  `data_id` varchar(255) NOT NULL COMMENT 'data_id',
  `group_id` varchar(128) NOT NULL COMMENT 'group_id',
  `tenant_id` varchar(128) DEFAULT '' COMMENT 'tenant_id',
  `nid` bigint(20) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`nid`),
  UNIQUE KEY `uk_configtagrelation_configidtag` (`id`,`tag_name`,`tag_type`),
  KEY `idx_tenant_id` (`tenant_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_tag_relation';





CREATE TABLE `group_capacity` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '主键ID',
  `group_id` varchar(128) NOT NULL DEFAULT '' COMMENT 'Group ID,空字符表示整个集群',
  `quota` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '配额,0表示使用默认值',
  `usage` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '使用量',
  `max_size` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '单个配置大小上限,单位为字节,0表示使用默认值',
  `max_aggr_count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '聚合子配置最大个数,,0表示使用默认值',
  `max_aggr_size` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '单个聚合数据的子配置大小上限,单位为字节,0表示使用默认值',
  `max_history_count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '最大变更历史数量',
  `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_group_id` (`group_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='集群、各Group容量信息表';





CREATE TABLE `his_config_info` (
  `id` bigint(64) unsigned NOT NULL,
  `nid` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `data_id` varchar(255) NOT NULL,
  `group_id` varchar(128) NOT NULL,
  `app_name` varchar(128) DEFAULT NULL COMMENT 'app_name',
  `content` longtext NOT NULL,
  `md5` varchar(32) DEFAULT NULL,
  `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `src_user` text,
  `src_ip` varchar(20) DEFAULT NULL,
  `op_type` char(10) DEFAULT NULL,
  `tenant_id` varchar(128) DEFAULT '' COMMENT '租户字段',
  PRIMARY KEY (`nid`),
  KEY `idx_gmt_create` (`gmt_create`),
  KEY `idx_gmt_modified` (`gmt_modified`),
  KEY `idx_did` (`data_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='多租户改造';






CREATE TABLE `tenant_capacity` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '主键ID',
  `tenant_id` varchar(128) NOT NULL DEFAULT '' COMMENT 'Tenant ID',
  `quota` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '配额,0表示使用默认值',
  `usage` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '使用量',
  `max_size` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '单个配置大小上限,单位为字节,0表示使用默认值',
  `max_aggr_count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '聚合子配置最大个数',
  `max_aggr_size` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '单个聚合数据的子配置大小上限,单位为字节,0表示使用默认值',
  `max_history_count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '最大变更历史数量',
  `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_tenant_id` (`tenant_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='租户容量信息表';


CREATE TABLE `tenant_info` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `kp` varchar(128) NOT NULL COMMENT 'kp',
  `tenant_id` varchar(128) default '' COMMENT 'tenant_id',
  `tenant_name` varchar(128) default '' COMMENT 'tenant_name',
  `tenant_desc` varchar(256) DEFAULT NULL COMMENT 'tenant_desc',
  `create_source` varchar(32) DEFAULT NULL COMMENT 'create_source',
  `gmt_create` bigint(20) NOT NULL COMMENT '创建时间',
  `gmt_modified` bigint(20) NOT NULL COMMENT '修改时间',
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_tenant_info_kptenantid` (`kp`,`tenant_id`),
  KEY `idx_tenant_id` (`tenant_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='tenant_info';

CREATE TABLE `users` (
	`username` varchar(50) NOT NULL PRIMARY KEY,
	`password` varchar(500) NOT NULL,
	`enabled` boolean NOT NULL
);

CREATE TABLE `roles` (
	`username` varchar(50) NOT NULL,
	`role` varchar(50) NOT NULL,
	UNIQUE INDEX `idx_user_role` (`username` ASC, `role` ASC) USING BTREE
);

CREATE TABLE `permissions` (
    `role` varchar(50) NOT NULL,
    `resource` varchar(255) NOT NULL,
    `action` varchar(8) NOT NULL,
    UNIQUE INDEX `uk_role_permission` (`role`,`resource`,`action`) USING BTREE
);

INSERT INTO users (username, password, enabled) VALUES ('nacos', '$2a$10$EuWPZHzz32dJN7jexM34MOeYirDdFAZm2kuWj7VEOJhhZkDrxfvUu', TRUE);

INSERT INTO roles (username, role) VALUES ('nacos', 'ROLE_ADMIN');
CREATE TABLE `payment`
(
    `id`     bigint(20) NOT NULL AUTO_INCREMENT,
    `serial` varchar(128) DEFAULT '',
    PRIMARY KEY (`id`)
) ENGINE = InnoDB
  AUTO_INCREMENT = 16
  DEFAULT CHARSET = utf8;


INSERT INTO payment(`id`, `serial`)
VALUES (88, '测试数据88--');

-- ----------------------------
-- seata 建库建表语句
-- ----------------------------
Drop Database if exists seata;
create database seata;
-- the table to store GlobalSession data
drop table if exists seata.global_table;
create table seata.global_table
(
    `xid`                       varchar(128) not null,
    `transaction_id`            bigint,
    `status`                    tinyint      not null,
    `application_id`            varchar(32),
    `transaction_service_group` varchar(32),
    `transaction_name`          varchar(128),
    `timeout`                   int,
    `begin_time`                bigint,
    `application_data`          varchar(2000),
    `gmt_create`                datetime,
    `gmt_modified`              datetime,
    primary key (`xid`),
    key `idx_gmt_modified_status` (`gmt_modified`, `status`),
    key `idx_transaction_id` (`transaction_id`)
);

-- the table to store BranchSession data
drop table if exists seata.branch_table;
create table seata.branch_table
(
    `branch_id`         bigint       not null,
    `xid`               varchar(128) not null,
    `transaction_id`    bigint,
    `resource_group_id` varchar(32),
    `resource_id`       varchar(256),
    `lock_key`          varchar(128),
    `branch_type`       varchar(8),
    `status`            tinyint,
    `client_id`         varchar(64),
    `application_data`  varchar(2000),
    `gmt_create`        datetime,
    `gmt_modified`      datetime,
    primary key (`branch_id`),
    key `idx_xid` (`xid`)
);

-- the table to store lock data
drop table if exists seata.lock_table;
create table seata.lock_table
(
    `row_key`        varchar(128) not null,
    `xid`            varchar(96),
    `transaction_id` long,
    `branch_id`      long,
    `resource_id`    varchar(256),
    `table_name`     varchar(32),
    `pk`             varchar(36),
    `gmt_create`     datetime,
    `gmt_modified`   datetime,
    primary key (`row_key`)
);


-- ----------------------------
-- 项目中所需要的建库建表语句
-- ----------------------------
Drop Database if exists seata_order;
create database seata_order;

Drop Database if exists seata_storage;
create database seata_storage;

Drop Database if exists seata_account;
create database seata_account;

DROP TABLE IF EXISTS seata_order.t_order;
CREATE TABLE seata_order.t_order
(
    `id`         BIGINT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
    `user_id`    BIGINT(11)     DEFAULT NULL COMMENT '用户id',
    `product_id` BIGINT(11)     DEFAULT NULL COMMENT '产品id',
    `count`      INT(11)        DEFAULT NULL COMMENT '数量',
    `money`      DECIMAL(11, 0) DEFAULT NULL COMMENT '金额',
    `status`     INT(1)         DEFAULT NULL COMMENT '订单状态:0:创建中; 1:已完结'
) ENGINE = INNODB
  AUTO_INCREMENT = 7
  DEFAULT CHARSET = utf8;

DROP TABLE IF EXISTS seata_storage.t_storage;
CREATE TABLE seata_storage.t_storage
(
    `id`         BIGINT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
    `product_id` BIGINT(11) DEFAULT NULL COMMENT '产品id',
    `total`      INT(11)    DEFAULT NULL COMMENT '总库存',
    `used`       INT(11)    DEFAULT NULL COMMENT '已用库存',
    `residue`    INT(11)    DEFAULT NULL COMMENT '剩余库存'
) ENGINE = INNODB
  AUTO_INCREMENT = 2
  DEFAULT CHARSET = utf8;

DROP TABLE IF EXISTS seata_account.t_account;
CREATE TABLE seata_account.t_account
(
    `id`      BIGINT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'id',
    `user_id` BIGINT(11)     DEFAULT NULL COMMENT '用户id',
    `total`   DECIMAL(10, 0) DEFAULT NULL COMMENT '总额度',
    `used`    DECIMAL(10, 0) DEFAULT NULL COMMENT '已用余额',
    `residue` DECIMAL(10, 0) DEFAULT '0' COMMENT '剩余可用额度'
) ENGINE = INNODB
  AUTO_INCREMENT = 2
  DEFAULT CHARSET = utf8;


INSERT INTO seata_storage.t_storage(`id`, `product_id`, `total`, `used`, `residue`)
VALUES ('1', '1', '100', '0', '100');

INSERT INTO seata_account.t_account(`id`, `user_id`, `total`, `used`, `residue`)
VALUES ('1', '1', '1000', '0', '1000');



-- the table to store seata xid data
-- 0.7.0+ add context
-- you must to init this sql for you business databese. the seata server not need it.
-- 此脚本必须初始化在你当前的业务数据库中,用于AT 模式XID记录。与server端无关(注:业务数据库)
-- 注意此处0.3.0+ 增加唯一索引 ux_undo_log
DROP TABLE IF EXISTS seata_order.undo_log;
CREATE TABLE seata_order.undo_log
(
    `id`            bigint(20)   NOT NULL AUTO_INCREMENT,
    `branch_id`     bigint(20)   NOT NULL,
    `xid`           varchar(100) NOT NULL,
    `context`       varchar(128) NOT NULL,
    `rollback_info` longblob     NOT NULL,
    `log_status`    int(11)      NOT NULL,
    `log_created`   datetime     NOT NULL,
    `log_modified`  datetime     NOT NULL,
    `ext`           varchar(100) DEFAULT NULL,
    PRIMARY KEY (`id`),
    UNIQUE KEY `ux_undo_log` (`xid`, `branch_id`)
) ENGINE = InnoDB
  AUTO_INCREMENT = 1
  DEFAULT CHARSET = utf8;


DROP TABLE IF EXISTS seata_storage.undo_log;
CREATE TABLE seata_storage.undo_log
(
    `id`            bigint(20)   NOT NULL AUTO_INCREMENT,
    `branch_id`     bigint(20)   NOT NULL,
    `xid`           varchar(100) NOT NULL,
    `context`       varchar(128) NOT NULL,
    `rollback_info` longblob     NOT NULL,
    `log_status`    int(11)      NOT NULL,
    `log_created`   datetime     NOT NULL,
    `log_modified`  datetime     NOT NULL,
    `ext`           varchar(100) DEFAULT NULL,
    PRIMARY KEY (`id`),
    UNIQUE KEY `ux_undo_log` (`xid`, `branch_id`)
) ENGINE = InnoDB
  AUTO_INCREMENT = 1
  DEFAULT CHARSET = utf8;


DROP TABLE IF EXISTS seata_account.undo_log;
CREATE TABLE seata_account.undo_log
(
    `id`            bigint(20)   NOT NULL AUTO_INCREMENT,
    `branch_id`     bigint(20)   NOT NULL,
    `xid`           varchar(100) NOT NULL,
    `context`       varchar(128) NOT NULL,
    `rollback_info` longblob     NOT NULL,
    `log_status`    int(11)      NOT NULL,
    `log_created`   datetime     NOT NULL,
    `log_modified`  datetime     NOT NULL,
    `ext`           varchar(100) DEFAULT NULL,
    PRIMARY KEY (`id`),
    UNIQUE KEY `ux_undo_log` (`xid`, `branch_id`)
) ENGINE = InnoDB
  AUTO_INCREMENT = 1
  DEFAULT CHARSET = utf8;
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