<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Big_V686的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Big_V686</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Big_V686]]></copyright><item><title><![CDATA[jQuery用法]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/149669141</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/149669141</guid><author>Big_V686</author><pubDate>Sun, 27 Jul 2025 20:42:50 +0800</pubDate><description><![CDATA[jquery调用ajax方法:格式: $.ajax({});参数:type:请求方式GET/POSTurl:请求地址urlasync:是否异步,默认是true表示异步data:发送到服务器的数据dataType:预期服务器返回的数据类型contentType:设置请求头success:请求成功时调用此函数error:请求失败时调用此函数$.ajax({url:"请求地址",data:{username:"张三"},//请求参数。]]></description><category></category></item><item><title><![CDATA[Error:Kotlin: Module was compiled with an incompatible version of Kotlin.报错问题处理]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/143478983</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/143478983</guid><author>Big_V686</author><pubDate>Mon, 04 Nov 2024 10:55:21 +0800</pubDate><description><![CDATA[idea 启动时，Kotlin版本问题报错]]></description><category></category></item><item><title><![CDATA[docker的学习之路]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/143193287</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/143193287</guid><author>Big_V686</author><pubDate>Wed, 23 Oct 2024 20:40:41 +0800</pubDate><description><![CDATA[【代码】docker的学习之路。]]></description><category></category></item><item><title><![CDATA[mysql my.conf配置]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/130128667</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/130128667</guid><author>Big_V686</author><pubDate>Thu, 13 Apr 2023 13:45:36 +0800</pubDate><description><![CDATA[需自己创建logs/error.log。]]></description><category></category></item><item><title><![CDATA[.git/info/refsnot valid: is this a git repository?]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/126698850</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/126698850</guid><author>Big_V686</author><pubDate>Mon, 05 Sep 2022 09:50:27 +0800</pubDate><description><![CDATA[idea拉取的时候提示.git/info/refsnot valid: is this a git repository?]]></description><category></category></item><item><title><![CDATA[Spring Boot 切面编写]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/126470132</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/126470132</guid><author>Big_V686</author><pubDate>Mon, 22 Aug 2022 17:26:02 +0800</pubDate><description><![CDATA[【代码】Spring Boot 切面编写。]]></description><category></category></item><item><title><![CDATA[jeecg 服务器详细部署实操(linux)]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/125951712</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/125951712</guid><author>Big_V686</author><pubDate>Sun, 24 Jul 2022 11:00:57 +0800</pubDate><description><![CDATA[jeecg 详细部署实操]]></description><category></category></item><item><title><![CDATA[java后端请求第三方接口的使用]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/125682435</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/125682435</guid><author>Big_V686</author><pubDate>Fri, 08 Jul 2022 17:24:12 +0800</pubDate><description><![CDATA[java后端请求http接口]]></description><category></category></item><item><title><![CDATA[jeecg代码生成问题]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/121609617</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/121609617</guid><author>Big_V686</author><pubDate>Mon, 29 Nov 2021 14:44:27 +0800</pubDate><description><![CDATA[jeecg代码生成提示表不存在问题
配置都正确,数据表也存在,但是还是提示不存在问题.因为jeecg默认会通过大写查找表名.
可以先将库中的表名改成大写,生成完之后再改成小写.
//也可以在服务器直接对数据库进行修改,用ROOT登录,修改/etc/my.cnf
vi /etc/my.cnf
//在[mysqld]下加入一行：lower_case_table_names=1
[mysqld]
lower_case_table_names=1
//重新启动数据库
systemctl restart mysqld]]></description><category></category></item><item><title><![CDATA[配置xml实现定时任务]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/117446105</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/117446105</guid><author>Big_V686</author><pubDate>Tue, 01 Jun 2021 16:47:02 +0800</pubDate><description><![CDATA[1.创建一个xml(名字.xml),注意代码中的名字A,名字B,名字C的位置,且和其他xml定时文件中的名字不要重了!!!
&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;beans xmlns="http://www.springframework.org/schema/beans"
		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		xmlns:aop="http://www.springf]]></description><category></category></item><item><title><![CDATA[Can only perform operation while a transaction is active解决方法]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/117421218</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/117421218</guid><author>Big_V686</author><pubDate>Mon, 31 May 2021 20:24:35 +0800</pubDate><description><![CDATA[123

]]></description><category></category></item><item><title><![CDATA[Mysql 5.7.31 window本地安装步骤]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/111938728</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/111938728</guid><author>Big_V686</author><pubDate>Tue, 29 Dec 2020 22:46:31 +0800</pubDate><description><![CDATA[目录一览1.说明(本人win10系统)2.安装包链接 :3.彻底干掉以前电脑中的mysql4.安装新的mysql5.修改mysql密码
1.说明(本人win10系统)
起初本人使用的mysql5.6.26版本,后期发现导入sql文件老报错(某某某unsuccessful),于是选择安装5.7.31,看了网上好多的文章,最终打算把自己的安装过程记录一下.
2.安装包链接 :
链接：https://pan.baidu.com/s/1l7njWHk_zmnwQCRevyF1Ow
提取码：2r3l
当然也可以自己去]]></description><category></category></item><item><title><![CDATA[RabbitMQ安装(windows版)]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/109543179</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/109543179</guid><author>Big_V686</author><pubDate>Sat, 07 Nov 2020 10:35:44 +0800</pubDate><description><![CDATA[安装包地址:https://pan.baidu.com/s/1FwQPjaiQ5toVkiQy_mxuMw 密码：nlkf
一.安装erlang
1.以管理员身份运行erlang安装包

2.除了选择安装位置界面需要自行选择下目录,其他的一路next就可以.

3.中途可能出现让安装另一个配件,同意协议,安装即可
4.配置erlang环境变量
右击我的电脑–属性–左上角高级系统设置–右下角环境变量–系统变量–新建ERLANG_HOME


编辑Path


二.安装rabbitMQ
1.以管理员身份运行ra]]></description><category></category></item><item><title><![CDATA[row.getPhysicalNumberOfCells()读取总列数不准确,报空指针异常解决方法]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/109307901</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/109307901</guid><author>Big_V686</author><pubDate>Tue, 27 Oct 2020 12:04:27 +0800</pubDate><description><![CDATA[问题:POI识别空白格时,有时识别为null,有时识别为空字符串,导致获取列数不准确
报错形式:空指针异常
原因:
①表格为空白格时,若此空白格一直未被编辑,会被POI判定为null,列数不会增加
②表格为空白格时,若此空白格是被编辑后又被清空的,会被POI判定为空字符串,列数会增加
解决方法:可以根据自己模板格式,固定一个列数,传递到工具类

工具类修改前代码
 //获得当前行的开始列
int firstCellNum = row.getFirstCellNum();
//获得当前行的列数
int la.]]></description><category></category></item><item><title><![CDATA[BeanUtils.populate封装对象后,对象属性为null.]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/108331667</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/108331667</guid><author>Big_V686</author><pubDate>Mon, 31 Aug 2020 23:33:33 +0800</pubDate><description><![CDATA[原因一(常见):表单中的name属性值与创建的类中属性名字不一致.
例如:
//表单内容
&lt;input type="text" name="username"&gt;

//类属性
public class Person{
	private String gender;//错误出现的地方
}

此时表单中的那么属性值为username,而类属性中却没有username属性,只有一个gender属性,就会导致封装失败.
原因二(不常见):在创建对象的时候,没有new,而是直接赋值为null.
例如
//]]></description><category></category></item><item><title><![CDATA[Idea引入Web项目步骤及常见问题解决方法]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/108015326</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/108015326</guid><author>Big_V686</author><pubDate>Sat, 15 Aug 2020 00:08:08 +0800</pubDate><description><![CDATA[目录一.引入二.问题及解决方法1.本地已有jar包发现不能使用2.用Tomcat发布时,发现找不到war包3.包不为蓝色,无法创建类等
一.引入
1.
2.
3.
4.Create module from existing sources—Next—Next—Next—Next—Overwrite(可能不出现)—默认选中Web—Finish
5.
二.问题及解决方法
1.本地已有jar包发现不能使用
解决方法:
①

②
③点击ok问题解决
2.用Tomcat发布时,发现找不到war包
解决方法:生成war]]></description><category></category></item><item><title><![CDATA[关于如何在idea中使用Tomcat]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/107965960</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/107965960</guid><author>Big_V686</author><pubDate>Wed, 12 Aug 2020 20:57:49 +0800</pubDate><description><![CDATA[目录一.ieda集成Tomcat二.利用idea创建Web项目三.利用idea发布Web项目
一.ieda集成Tomcat
1.Run—Edit Configfurations…
2.Defaults—Tomcat Server—Local—Configure—Tomcat Home—选择路径到Tomcat…截止—ok


二.利用idea创建Web项目
1.File—New—Module

2.根据自身配置填写好jdk,javaEE,及Tomcat信息,Web Application与Creat web.]]></description><category></category></item><item><title><![CDATA[创建远程仓库并使用(配置GIT)]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/107810637</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/107810637</guid><author>Big_V686</author><pubDate>Wed, 05 Aug 2020 15:52:51 +0800</pubDate><description><![CDATA[本文章远程仓库使用的码云一.创建远程仓库二.生成SSH公钥三.修改自定义仓库名称四.利用pull/push处理数据一.借助idea二.不借助idea
Git官网下载地址：https://git-scm.com/downloads
一.创建远程仓库


二.生成SSH公钥
①新建一个测试文件夹—文件内右击—Git Base Here—出现Git界面
②设置Git账户

查看git账户,输入git config user.name
查看git邮箱,输入git config user.email
设置全局账户名 ]]></description><category></category></item><item><title><![CDATA[数据流原理]]></title><link>https://blog.youkuaiyun.com/Big_V686/article/details/107628721</link><guid>https://blog.youkuaiyun.com/Big_V686/article/details/107628721</guid><author>Big_V686</author><pubDate>Tue, 28 Jul 2020 18:18:44 +0800</pubDate><description><![CDATA[数据流梳理一.字节流(读取字节,输出字节)字节输出流字节输入流二.字符流(读取字符,输出字符)字符输入流字符输出流flush与close的区别三.缓冲流字节缓冲流字符缓冲流转换流
一.字节流(读取字节,输出字节)
OutputStream 所有字节输出流的超类,为抽象类,里面有所有输出流的共性方法.
InputStream 此抽象类表示字节输入流的所有超类,定义了所有子类共性的方法
字节输出流
换行符:windows(\r\n)  linux(\n)  mac(\r)
1.FileOutputStream ]]></description><category></category></item></channel></rss>