<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Java_xiaobai1的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Java_xiaobai1</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Java_xiaobai1]]></copyright><item><title><![CDATA[java http协议 post请求访问地址]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/136347377</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/136347377</guid><author>Java_xiaobai1</author><pubDate>Wed, 28 Feb 2024 15:23:57 +0800</pubDate><description><![CDATA[/ 设置请求方法为POST。// 开始输入流并写入参数。]]></description><category></category></item><item><title><![CDATA[vue之动态绑定v-model(封装公共的查询组件)]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/130949820</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/130949820</guid><author>Java_xiaobai1</author><pubDate>Tue, 30 May 2023 15:40:11 +0800</pubDate><description><![CDATA[人狠话不多,直接上代码,直接复制粘贴就可以使用。]]></description><category></category></item><item><title><![CDATA[Echars基本使用-动态渲染数据]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/127085342</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/127085342</guid><author>Java_xiaobai1</author><pubDate>Wed, 28 Sep 2022 10:59:32 +0800</pubDate><description><![CDATA[Echars动态渲染数据]]></description><category></category></item><item><title><![CDATA[Ant Design Vue之rowKey问题]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120331619</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120331619</guid><author>Java_xiaobai1</author><pubDate>Thu, 16 Sep 2021 16:31:11 +0800</pubDate><description><![CDATA[说明:在ant design vue中a-table组件有个rowKey的属性,官网解释如下



这个属性是不可以去除的,如果你去掉会报这个错,但是一般人去除之后都不在意



针对报错信息解释

[antdv:Table]表的数据源中的每个记录都应该有一个唯一的'key'属性，或者将表的'rowKey'设置为唯一的主键

如何解决这个问题呢?

第一种后台返回的值中带有唯一的健(主键),id为主键



&lt;a-table 
:columns="columns" 
...]]></description><category></category></item><item><title><![CDATA[jeecgboot前端跨域问题]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120312550</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120312550</guid><author>Java_xiaobai1</author><pubDate>Wed, 15 Sep 2021 17:14:33 +0800</pubDate><description><![CDATA[需求:去文件的服务器进行下载文件

文件下载路径

http://10.64.93.11/gwptAttachment/202103/ProCustomerInfoReportApprovalV7/93367c3d-ae47-4992-afa4-b962c05de2be/需求配置报告.docx

解决跨域问题

找到vue.config.js


devServer: {
    port: 3000,
    proxy: {
      '/jeecg-boot': {
        target: ]]></description><category></category></item><item><title><![CDATA[java读,写Excel(poi)]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120310294</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120310294</guid><author>Java_xiaobai1</author><pubDate>Wed, 15 Sep 2021 15:56:20 +0800</pubDate><description><![CDATA[写Excel


import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;

/**
 * Poi写Excel
 .]]></description><category></category></item><item><title><![CDATA[java之Map,List练习题]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120309747</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120309747</guid><author>Java_xiaobai1</author><pubDate>Wed, 15 Sep 2021 15:36:17 +0800</pubDate><description><![CDATA[统计List&lt;String&gt;中每个字符的个数


public static void main(String[] args) {
		String a = "asdasdasdasfgghghhgjukg;hsdaa123213";
		String b = "asdakfdlggtrijoerlwdq;wlsn[21312cvk";
		String c = "ddqwdjqwdopferkgtrrts[adasytpovfvd";
		String d = "asdewigtrgtrfp.]]></description><category></category></item><item><title><![CDATA[HttpClient下载文件]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120308471</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120308471</guid><author>Java_xiaobai1</author><pubDate>Wed, 15 Sep 2021 14:53:17 +0800</pubDate><description><![CDATA[urlPath:服务器文件路径

filePath:文件生成路径


public static void httpUrl(String urlPath,String filePath) throws IOException {
        try {
            CloseableHttpClient httpClient = HttpClientBuilder.create().build();
            HttpGet get = new HttpGet(urlPath)]]></description><category></category></item><item><title><![CDATA[java之linux部署常用命令]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120065826</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120065826</guid><author>Java_xiaobai1</author><pubDate>Thu, 02 Sep 2021 17:23:06 +0800</pubDate><description><![CDATA[sudo -i    切换用户
ps -ef|grep tomcat    查看tomcat进程id
kill -9 id    根据进程id杀掉
mv jeecg-boot.war 路径    移动jeecg-boot.war
mv jeecg-boot.war jeecgboot.war    修改名字
cd tomcat/bin    进入tomcat的bin目录
ls    查看bin的内容
ll    同上
./start.sh    启动tomcat
./shutdown.sh    关闭to.]]></description><category></category></item><item><title><![CDATA[HttpURLConnection下载文件]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120054364</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/120054364</guid><author>Java_xiaobai1</author><pubDate>Thu, 02 Sep 2021 09:47:59 +0800</pubDate><description><![CDATA[话不多说上代码:

直接粘贴即可使用!!!!


package com.yy;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public cla]]></description><category></category></item><item><title><![CDATA[解决url中存在汉字的问题]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/119819278</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/119819278</guid><author>Java_xiaobai1</author><pubDate>Fri, 20 Aug 2021 11:13:17 +0800</pubDate><description><![CDATA[解决中文乱麻问题，页面端发出的数据作两次encodeURI

var name="张三";

encodeURI(encodeURI(name));

后台解码：

URLDecoder.decode(name,"UTF-8");
]]></description><category></category></item><item><title><![CDATA[iframe之父子互调]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/119806662</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/119806662</guid><author>Java_xiaobai1</author><pubDate>Thu, 19 Aug 2021 17:17:08 +0800</pubDate><description><![CDATA[父页面



子页面调用父页面的方法

window.parent.showTab(row.CONCODE);

父页面调用子页面的方法

$("#tabiframe0")[0].contentWindow.reloadtable();

父页面给子页面的标签赋值

$('#tabiframe0').contents().find("input[name='concode']").val(concode);
...]]></description><category></category></item><item><title><![CDATA[mybatis递归查询树]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118934143</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118934143</guid><author>Java_xiaobai1</author><pubDate>Tue, 20 Jul 2021 14:29:30 +0800</pubDate><description><![CDATA[所谓的树,说白了就是父子关系,就是爹与儿子的关系,只需要按照格式返回,就可以成树.

找爹的sql(pid=0表示跟节点)


    &lt;select id="selectList1" resultMap="BaseTreeResultMap"&gt;
        select id,pid,warehouse_name as warehouseName from BASE_WAREHOUSE where pid = 0
    &lt;/select&gt;


找儿子的sql


    &l]]></description><category></category></item><item><title><![CDATA[jeecgboot分页查询]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118578737</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118578737</guid><author>Java_xiaobai1</author><pubDate>Thu, 08 Jul 2021 17:37:23 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[oracle查询当前用户下表的数据]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118309233</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118309233</guid><author>Java_xiaobai1</author><pubDate>Mon, 28 Jun 2021 18:01:06 +0800</pubDate><description><![CDATA[select TABLE_NAME,NUM_ROWS from all_tables where owner='BASEFAST'


]]></description><category></category></item><item><title><![CDATA[Java I/O详细笔记]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118088569</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118088569</guid><author>Java_xiaobai1</author><pubDate>Mon, 21 Jun 2021 15:57:44 +0800</pubDate><description><![CDATA[Java I/O框架笔记

2021年4月28日21:37:36评论2911742字阅读39分8秒

摘要

千锋教育-最新版 Java基础-IO框架笔记，视频链接：
https://www.bilibili.com/video/BV1Tz4y1X7H7

1.什么是流

内存与存储设备之间传输数据的通道。

2.流的分类

2.1根据方向分为输入流与输出流

输入流：将存储设备中的内容读取到内存中。

输出流：将内存中的内容写入到存储设备中。

2.2根据单位分为字节流与字符流

字节流：以字节为单位读.]]></description><category></category></item><item><title><![CDATA[Oracle详细笔记]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118087218</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/118087218</guid><author>Java_xiaobai1</author><pubDate>Mon, 21 Jun 2021 15:11:47 +0800</pubDate><description><![CDATA[目录


	第一章 数据库概述
		
		1.1、数据库的好处
			1.2、数据库的常见概念
			1.3、数据库的存储特点
			1.4、数据库的常见分类
			1.5、SQL语言的分类
		
		第二章 Oracle概述
		
		2.1、Oracle的概述
			2.2、Oracle的下载
			2.3、Oracle的安装
			2.4、Oracle的目录
			2.5、Oracle的配置
			2.6、Oracle的命令行连接
			2.7、Oracle的窗口化连接
			2.8、Oracle的体]]></description><category></category></item><item><title><![CDATA[Oracle之时间类型比较]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/117821051</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/117821051</guid><author>Java_xiaobai1</author><pubDate>Fri, 11 Jun 2021 16:27:14 +0800</pubDate><description><![CDATA[表:BS_T_SM_USER_LOGIN_HISTORY



大于本月的数据

select * from BS_T_SM_USER_LOGIN_HISTORY where to_date(LONGTODATE(LOGINTIME),'yyyy-mm-dd hh24:mi:ss') &gt; TO_DATE(TO_CHAR(SYSDATE,'YYYY-MM'),'YYYY-MM')"

大于本日的数据

select count(LOGINNAME) LNAME from BS_T_SM_USER_LOG]]></description><category></category></item><item><title><![CDATA[Bootstraptable之事件  “坑“]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/117820234</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/117820234</guid><author>Java_xiaobai1</author><pubDate>Fri, 11 Jun 2021 16:06:06 +0800</pubDate><description><![CDATA[添加事件

简易代码:


&lt;table id="tables"&gt;&lt;/table&gt;

事件:


$('#tables').bootstrapTable({
            onCheck: function (row, $element) {
                alert(JSON.stringify(row));
            }
});


$('#table').on('check.bs.table', function (e,row, $el]]></description><category></category></item><item><title><![CDATA[echars基本使用]]></title><link>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/117748843</link><guid>https://blog.youkuaiyun.com/Java_xiaobai1/article/details/117748843</guid><author>Java_xiaobai1</author><pubDate>Wed, 09 Jun 2021 17:04:48 +0800</pubDate><description><![CDATA[话不多说上代码

index.jsp


&lt;%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%&gt;
&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html xmlns="http://www.w3.or]]></description><category></category></item></channel></rss>