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README
Apache-2.0
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|  __/ (_| \__ \ |_| | | | (_) | (_| |
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xxx xxx xxx

1. 项目简介

easy-log是基于SpringBoot的一款通用操作日志组件,它指在帮助我们通过注解优雅地聚合项目中的操作日志,对业务代码无侵入。

2. 使用场景

所有系统都会有日志,但我们区分了 系统日志操作日志

  • 系统日志:主要用于开发者调试排查系统问题的,不要求固定格式和可读性
  • 操作日志:主要面向用户的,要求简单易懂,反应出用户所做的动作。

通过操作日志可追溯到 某人在某时干了某事情,如:

租户 操作人 时间 操作 内容
A租户 小明 2022/2/27 20:15:00 新增 新增了一个用户:Mr.Wang
B租户 大米 2022/2/28 10:35:00 更新 修改订单 [xxxxxx] 价格为 xx 元
C租户 老王 2022/2/28 22:55:00 查询 查询了名为: [xx] 的所有交易

3. 功能特性

  • 快速接入:基于SpringBoot,轻量级,引入starter即可食用
  • SpEL解析:直接写表达式解析入参
  • 自定义函数:支持目标方法执行前/后的自定义函数

4. 设计图

5. 使用方法

5.1 引入依赖

已上传到中央仓库:https://search.maven.org/search?q=g:io.github.flyhero

在pom.xml中引入:

<dependency>
    <groupId>io.github.flyhero</groupId>
    <artifactId>easylog-spring-boot-starter</artifactId>
    <version>2.1.1</version>
</dependency>

5.2 配置

# 默认开启可不填,禁用是填 false
easylog.enable=true
# 当有多个服务用时,用于区分不同服务下的操作日志,默认取 spring.application.name
easylog.platform=easylog-example
# 是否在控制台打印 banner,默认打印
easylog.banner=false

5.3 使用注解

在要记录操作日志的方法上添加EasyLog注解并填写对应内容:

@EasyLog(module = "用户模块", operator = "{{#userDto.toString()}}", type = "新增",
        success = "测试 {functionName{#userDto.name}}",
        condition = "{{#userDto.name == 'easylog'}}")
public String test(UserDto userDto) {
    return "test";
}
字段 意义 支持SpEl表达式 必填
tenant 租户,SAAS系统中区分不同租户
operator 操作者
module 模块,区分不同业务模块
type 操作类型,形如:增删改查
bizNo 业务编号,便于查询
success 成功日志模板内容
fail 操作失败时的模板内容
detail 额外的记录信息
condition 是否记录的条件 (默认:true 记录)

注意:

1.当使用自定义函数时,必须使用双花括号包起来(如:{getNameById{#id}} ),便于解析。

2.当不使用自定义函数时,可以直接使用SpEl表达式(如:#name) 如果获取方法的执行结果或错误信息,可使用{{#_result}}或#_result 和 {{#_errMsg}}或#_errMsg。

5.4 获取操作者

如果不在上述注解中指定租户和操作人,那么可统一设置,方式如下: 实现 IOperatorService 接口,并交给Spring管理。

@Service
public class OperatorGetService implements IOperatorService {
    @Override
    public String getOperator() {
        //可从请求头中获取token解析用户
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        String token = request.getHeader("token");
        return "admin";
    }
    @Override
    public String getTenant() {
        return "company";
    }
}

5.5 自定义函数

当方法参数中,没有你想要的数据时,我们可以通过自定义函数来实现。 实现 ICustomFunction 接口,并交给Spring管理。

@Component
public class GetRealNameById implements ICustomFunction {
    @Override
    public boolean executeBefore() {
        return false;
    }
    @Override
    public String functionName() {
        return "GetRealNameById";
    }
    @Override
    public String apply(String value) {
        return "easylog".equals(value) ? "good" : value;
    }
}

5.6 接收操作日志

我们接收到操作日志后,可根据实际情况来选择如何处理,是存储到数据库还是发送到MQ都可以。 实现 ILogRecordService 接口,并交给Spring管理。

@Slf4j
@Service
public class OpLogRecordService implements ILogRecordService {
    @Override
    public void record(EasyLogInfo easyLogInfo) {
        log.info("hello easy-log:{}", JsonUtils.toJSONString(easyLogInfo));
    }
}

QA

1、同一类中互相调用含 @Easylog 注解的方法,只有一条日志

这是因为 Spring AOP 无法拦截内部方法调用。解决方案:

1、修改,不要出现“自调用”的情况,这是Spring文档中推荐的“最佳”方案;

2、若一定要自调用,那么在 SpringBoot 启动类中加一个注解:

@EnableAspectJAutoProxy(exposeProxy = true)

然后将自调用的方法, this.test2() 替换为:((当前类) AopContext.currentProxy()).test2();

2、EasyLog 注解中 许多方法返回的是 String,如何存储更多的信息?

可将String当作json字符串,比如 操作者 operator 是String类型,那么它可以存储以下字符串信息:

{"id": 1, "name": "admin", "ip": "127.0.0.1"}

Change Log

版本 内容 状态
2.1.3 1.修复success 或 fail 中不包含 SpEL 表达式,报异常问题 推荐使用
2.1.1 1.修复前置函数的返回值获取错误 推荐使用
2.1.0 1.支持同一方法多个EasyLog注解 2.自定义函数参数支持Object类型 推荐使用
2.0.0 增加配置,提升性能,不兼容低版本 推荐使用
1.0.1 基本型,性能欠佳 不推荐
1.0.0 基本型,有bug,性能欠佳 不要使用
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简介

一款通过注解来优雅的实现记录操作日志的组件 展开 收起
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