<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[lqwe1的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/lqwe1</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; lqwe1]]></copyright><item><title><![CDATA[2023 面试总结]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/131196238</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/131196238</guid><author>lqwe1</author><pubDate>Tue, 13 Jun 2023 21:54:31 +0800</pubDate><description><![CDATA[static synchronized是类锁，控制类的所有实例的并发访问，限制多线程中该类的所有实例同时访问JVM中该类所对应的代码块。NION 是用一个明确的值到索引中查找，目标非常明确，OR 需要对比两个值，目标相对要模糊一些，所以 OR 在恍惚中落后了。synchronized是实例锁，对类的当前实例进行加锁，防止其他线程同时访问该实例的所有synchronized块。原子性是保证一个事务运行是成功的，而一致性是保证多个事务运行是符合正常预期的，符合正常逻辑的。单例模式 ，观察者模式 ，适配器模式。]]></description><category></category></item><item><title><![CDATA[面试题总结]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/120648999</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/120648999</guid><author>lqwe1</author><pubDate>Fri, 08 Oct 2021 11:49:07 +0800</pubDate><description><![CDATA[@[TOC]集合框架

]]></description><category></category></item><item><title><![CDATA[java实现邮件发送]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/113743707</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/113743707</guid><author>lqwe1</author><pubDate>Sun, 07 Feb 2021 17:04:53 +0800</pubDate><description><![CDATA[工具类
package com.jianhe.tech.config;

import com.jianhe.tech.entities.SafePartsStockMorowali;
import org.apache.poi.hssf.record.formula.functions.T;

import javax.mail.Address;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transpor]]></description><category></category></item><item><title><![CDATA[多级递归]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/112980221</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/112980221</guid><author>lqwe1</author><pubDate>Fri, 22 Jan 2021 11:16:53 +0800</pubDate><description><![CDATA[//        获取一级标题的数据
        List&lt;OneDepartment&gt; finalResult = new ArrayList&lt;&gt;();
        List&lt;SystemDepartment&gt; list = systemDepartmentMapper.selectList(new QueryWrapper&lt;SystemDepartment&gt;().ge("id", 0));
        list.forEach(item -&]]></description><category></category></item><item><title><![CDATA[错误: 找不到或无法加载主类 com.enter.tech.SpringbootApplication]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/112937984</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/112937984</guid><author>lqwe1</author><pubDate>Thu, 21 Jan 2021 14:01:45 +0800</pubDate><description><![CDATA[试了网上方法都没有用，最后终于解决了。对于项目第一次在本地运行，删掉了target包，导致没有class文件。注意，一定要先maven install一下，重新生成target文件。再运行application就行了。


]]></description><category></category></item><item><title><![CDATA[docker内通过127.0.0.1访问报错]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/112481187</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/112481187</guid><author>lqwe1</author><pubDate>Mon, 11 Jan 2021 17:58:40 +0800</pubDate><description><![CDATA[Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.

Reason: Failed to determine a suitable driver class

docker 运行jar报错
发现不能docker读到127.0.0.1 的地址 要用实际的IP比如192.168.52.100

...]]></description><category></category></item><item><title><![CDATA[nacos配置中心多环境配置]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/112364190</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/112364190</guid><author>lqwe1</author><pubDate>Fri, 08 Jan 2021 15:35:00 +0800</pubDate><description><![CDATA[我们有时候会有不同环境来运行项目
配置文件有以下方式创建：

application.yml : 存储一些不需要放在 Nacos Config 的配置
bootstrap.yml : 基础配置，配置Nacos Config 的基础配置
bootstrap-dev.yml : 环境参数，开发环境
bootstrap-test.yml :环境参数，测试环境
bootstrap-prod.yml : 环境参数，线上环境


application.yml
#端口号
server:
  port: 8011
#服务]]></description><category></category></item><item><title><![CDATA[@NotNull 的使用]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/111029886</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/111029886</guid><author>lqwe1</author><pubDate>Fri, 11 Dec 2020 10:31:33 +0800</pubDate><description><![CDATA[今天使用了@NotNull
注解发现没有效果
@Data
@EqualsAndHashCode(callSuper = false)
@ApiModel(value="PartRequestOrder对象", description="配件需求申请 ")
public class PartRequestOrder implements Serializable {

    private static final long serialVersionUID = 1L;

    @ApiModelProp]]></description><category></category></item><item><title><![CDATA[org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 异常]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/110947662</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/110947662</guid><author>lqwe1</author><pubDate>Thu, 10 Dec 2020 10:33:31 +0800</pubDate><description><![CDATA[今天遇到了这个异常
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'workFlowApproveController': Unsatisfied dependency expressed through field 'approveServices'; nested exception is org.springframework.beans.factory.U]]></description><category></category></item><item><title><![CDATA[poi的excel文件上传]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/110877103</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/110877103</guid><author>lqwe1</author><pubDate>Tue, 08 Dec 2020 17:12:53 +0800</pubDate><description><![CDATA[本文只是用pio简单的介绍excel文件上传
controller层
//ResponseResult 是自定义实体

@RestController
@RequestMapping("/tech/truck-service-information")
public class TruckServiceInformationController {

    @Autowired
    TruckServiceInformationServices truckServiceInformationServi]]></description><category></category></item><item><title><![CDATA[feign 服务调用 文件上传]]></title><link>https://blog.youkuaiyun.com/lqwe1/article/details/110391531</link><guid>https://blog.youkuaiyun.com/lqwe1/article/details/110391531</guid><author>lqwe1</author><pubDate>Mon, 30 Nov 2020 16:45:42 +0800</pubDate><description><![CDATA[controller层
@Controller
@RequestMapping("/file/")
public class UploadController {
    private static  final Logger logger = LoggerFactory.getLogger(UploadController.class);
    @Autowired
    private UploadService fileService;

    @RequestMapping(value = ]]></description><category></category></item></channel></rss>