<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[whiteofwang的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/whiteofwang</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; whiteofwang]]></copyright><item><title><![CDATA[PLSQL注册]]></title><link>https://blog.youkuaiyun.com/whiteofwang/article/details/122214350</link><guid>https://blog.youkuaiyun.com/whiteofwang/article/details/122214350</guid><author>whiteofwang</author><pubDate>Wed, 29 Dec 2021 13:59:13 +0800</pubDate><description><![CDATA[product code： 4vkjwhfeh3ufnqnmpr9brvcuyujrx3n3le
serial Number：226959
password: xs374ca

]]></description><category></category></item><item><title><![CDATA[解决访问swaggerUI接口文档显示basic-error-controler问题]]></title><link>https://blog.youkuaiyun.com/whiteofwang/article/details/120839416</link><guid>https://blog.youkuaiyun.com/whiteofwang/article/details/120839416</guid><author>whiteofwang</author><pubDate>Tue, 19 Oct 2021 09:23:32 +0800</pubDate><description><![CDATA[解决访问swaggerUI接口文档显示basic-error-controler问题
原文地址：https://www.cnblogs.com/longronglang/p/9045559.html
问题描述
使用swagger生成接口文档后，访问http://localhost:8888/swagger-ui.html#/，显示如下：

去除basic-error-controller方法：
注意《不显示错误的接口地址》的配置
import com.google.common.base.Predicate]]></description><category></category></item><item><title><![CDATA[定时任务ScheduledExecutorService与Spring Task的实现方式]]></title><link>https://blog.youkuaiyun.com/whiteofwang/article/details/117247666</link><guid>https://blog.youkuaiyun.com/whiteofwang/article/details/117247666</guid><author>whiteofwang</author><pubDate>Tue, 25 May 2021 09:02:25 +0800</pubDate><description><![CDATA[1.ScheduledExecutorService 实现定时任务的代码示例如下：

开启定时任务只需要在 Spring Boot 的启动类上声明 @EnableScheduling 即可，实现代码如下：

@SpringBootApplication
@EnableScheduling // 开启定时任务
public class DemoApplication {
    // do someing
}


添加定时任务

@Slf4j
@Component // 把此类托管给 Spring，不能省略
]]></description><category></category></item><item><title><![CDATA[MySQL聚合函数结果丢失问题]]></title><link>https://blog.youkuaiyun.com/whiteofwang/article/details/115483457</link><guid>https://blog.youkuaiyun.com/whiteofwang/article/details/115483457</guid><author>whiteofwang</author><pubDate>Wed, 07 Apr 2021 13:44:42 +0800</pubDate><description><![CDATA[记录MySQL聚合函数结果丢失问题
1.问题描述：如下多表联查，pi表为结果集主体，pps表使用min（）和max（）函数返回sale_price列最小值和最大值，ppi表中存储主表相关的多条数据pic_url。

此时返回集如下：

丢失ppi其他相关数据。
2.解决办法：添加group by分组，分组条件为多条数据关联表ppi的主键
此时返回集恢复正常：

3.group by分组依据为，返回多条关联数据的表的主键id

...]]></description><category></category></item><item><title><![CDATA[Springboot 启动信息：Generating unique operation named]]></title><link>https://blog.youkuaiyun.com/whiteofwang/article/details/115356633</link><guid>https://blog.youkuaiyun.com/whiteofwang/article/details/115356633</guid><author>whiteofwang</author><pubDate>Wed, 31 Mar 2021 18:05:56 +0800</pubDate><description><![CDATA[Springboot 启动信息：Generating unique operation named
1.springboot 项目启动时，显示Generating unique operation named
2.这是因为spring 在加载controller 的时候，发现这些类里面的方法名称有重复的，所以给你自动生成了一些名称，用以区分这些方法
3.关闭该信息提示：
application-dev.yml配置文件中添加如下配置
logging:
  level:
    springfox: error]]></description><category></category></item><item><title><![CDATA[解决Failed to convert value of type ‘java.lang.String‘ to required type ‘java.lang.Integer‘]]></title><link>https://blog.youkuaiyun.com/whiteofwang/article/details/115231082</link><guid>https://blog.youkuaiyun.com/whiteofwang/article/details/115231082</guid><author>whiteofwang</author><pubDate>Fri, 26 Mar 2021 10:36:37 +0800</pubDate><description><![CDATA[解决Failed to convert value of type ‘java.lang.String’ to required type ‘java.lang.Integer’; nested exception is java.lang.NumberFormatException: For input string: ""的问题
异常描述

错误原因
java.lang.Integer:
ava.lang.Integer  Modifier and Type 	Constant Field 	Value]]></description><category></category></item></channel></rss>