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  • @Slf4j -- lombok.extern.slf4j.Slf4j;

    @Log4j:注解在类上;为类提供一个 属性名为log 的 log4j 日志对像

    package com.atguigu.springcloud.controller;
    
    import com.atguigu.springcloud.entities.CommonResult;
    import com.atguigu.springcloud.entities.Payment;
    import com.atguigu.springcloud.service.PaymentService;
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.PostMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    import javax.annotation.Resource;
    
    @RestController
    @Slf4j
    public class PaymentController {
    
        @Resource
        private PaymentService paymentService;
    
        @PostMapping(value = "/payment/create")
        public CommonResult create(Payment payment){
            int result = paymentService.create(payment);
            log.info("*****插入结果:"+result);       //这里就是使用了Log这个对象
            if (result>0){  //成功
                return new CommonResult(200,"插入数据库成功",result);
            }else {
                return new CommonResult(444,"插入数据库失败",null);
            }
        }
        @GetMapping(value = "/payment/get/{id}")
        public CommonResult getPaymentById(@PathVariable("id") Long id){
            Payment payment = paymentService.getPaymentById(id);
            log.info("*****查询结果:"+payment);
            if (payment!=null){  //说明有数据,能查询成功
                return new CommonResult(200,"查询成功",payment);
            }else {
                return new CommonResult(444,"没有对应记录,查询ID:"+id,null);
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/jthr/p/14142280.html
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