<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[DASHACHUN的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/DASHACHUN</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; DASHACHUN]]></copyright><item><title><![CDATA[前端访问java后端，以及后端返回数据]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/134990584</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/134990584</guid><author>DASHACHUN</author><pubDate>Thu, 14 Dec 2023 11:21:42 +0800</pubDate><description><![CDATA[1、导出时，前端需要向后端传递参数，然后导出excel。2、导出时，不需要传递参数或传递参数比较短。3、前端传递参数，后端返回。]]></description><category></category></item><item><title><![CDATA[Vue页面调用其它类型js的页面后，怎么回调到Vue页面]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/134376623</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/134376623</guid><author>DASHACHUN</author><pubDate>Mon, 13 Nov 2023 14:30:37 +0800</pubDate><description><![CDATA[1、Vue中把要执行的方法挂到window上。2、普通js内调用方法。]]></description><category></category></item><item><title><![CDATA[vue-grid-layout手动修改数据时，页面出现空白处理方法]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/132082478</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/132082478</guid><author>DASHACHUN</author><pubDate>Thu, 03 Aug 2023 14:18:10 +0800</pubDate><description><![CDATA[手动修改layout数据时，页面出现空白，可以通过添加一个元素再删除一个元素，触发vue-grid-layout自动的页面调整。]]></description><category></category></item><item><title><![CDATA[el-main 里边内容没铺满解决办法]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/131973191</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/131973191</guid><author>DASHACHUN</author><pubDate>Fri, 28 Jul 2023 09:22:09 +0800</pubDate><description><![CDATA[【代码】el-main 里边内容没铺满解决办法。]]></description><category></category></item><item><title><![CDATA[java导入zip包,zip中包含excel文件]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/131173863</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/131173863</guid><author>DASHACHUN</author><pubDate>Mon, 12 Jun 2023 17:51:21 +0800</pubDate><description><![CDATA[【代码】java导入zip包,zip中包含excel文件。]]></description><category></category></item><item><title><![CDATA[java导出zip文件]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/130136414</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/130136414</guid><author>DASHACHUN</author><pubDate>Thu, 13 Apr 2023 18:08:30 +0800</pubDate><description><![CDATA[excel导出zip]]></description><category></category></item><item><title><![CDATA[hibernate左连接后查询出的结果的不同情况]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/130132810</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/130132810</guid><author>DASHACHUN</author><pubDate>Thu, 13 Apr 2023 16:06:29 +0800</pubDate><description><![CDATA[【代码】hibernate左连接后查询出的结果的不同情况。]]></description><category></category></item><item><title><![CDATA[hibernate查询时字符转义导致查询结果偏差]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/130122579</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/130122579</guid><author>DASHACHUN</author><pubDate>Thu, 13 Apr 2023 09:43:22 +0800</pubDate><description><![CDATA[我们需要改为使用传参形式来查询，就不会引起转义问题。上边des包含转义字符\ ,就会导致查询出现偏差。]]></description><category></category></item><item><title><![CDATA[hibernate使用原生sql]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/129586275</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/129586275</guid><author>DASHACHUN</author><pubDate>Thu, 16 Mar 2023 14:39:34 +0800</pubDate><description><![CDATA[【代码】hibernate使用原生sql。]]></description><category></category></item><item><title><![CDATA[前端对象类型的数组，传到后端转换为实体]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/129016676</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/129016676</guid><author>DASHACHUN</author><pubDate>Mon, 13 Feb 2023 20:40:07 +0800</pubDate><description><![CDATA[js向后端传对象数组]]></description><category></category></item><item><title><![CDATA[格式化数字保留两位小数]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/128006578</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/128006578</guid><author>DASHACHUN</author><pubDate>Wed, 23 Nov 2022 19:53:56 +0800</pubDate><description><![CDATA[java格式化数字]]></description><category></category></item><item><title><![CDATA[java编辑文件FileUtils]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/125943483</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/125943483</guid><author>DASHACHUN</author><pubDate>Sat, 23 Jul 2022 09:32:11 +0800</pubDate><description><![CDATA[FileUtiles编辑文件，这个工具类比较好用]]></description><category></category></item><item><title><![CDATA[linux备份mysql数据库]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/125796881</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/125796881</guid><author>DASHACHUN</author><pubDate>Fri, 15 Jul 2022 09:09:04 +0800</pubDate><description><![CDATA[mysql备份数据库]]></description><category></category></item><item><title><![CDATA[2021-09-13]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/120263011</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/120263011</guid><author>DASHACHUN</author><pubDate>Mon, 13 Sep 2021 11:01:40 +0800</pubDate><description><![CDATA[云闪付APP扫H5页面进去，咋个判断当前是云闪付
var ua = window.navigator.userAgent.toLowerCase();
if (ua.match(/unionpay/i) == ‘unionpay’) {
}

]]></description><category></category></item><item><title><![CDATA[输入流读取然后输出流写出文件]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/120185253</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/120185253</guid><author>DASHACHUN</author><pubDate>Wed, 08 Sep 2021 17:50:49 +0800</pubDate><description><![CDATA[输入流读取然后输出流写出文件



]]></description><category></category></item><item><title><![CDATA[开启多线程最简单方法]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/120164569</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/120164569</guid><author>DASHACHUN</author><pubDate>Tue, 07 Sep 2021 18:50:57 +0800</pubDate><description><![CDATA[开启多线程最简单方法
第一步：引入Excutor

第二步：在红色框new的类内写run方法，run方法是你想异步完成的事情。这个类要实现Runnable类


]]></description><category></category></item><item><title><![CDATA[拷贝别人的maven仓库，自己项目找不到包]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/119952634</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/119952634</guid><author>DASHACHUN</author><pubDate>Fri, 27 Aug 2021 14:37:11 +0800</pubDate><description><![CDATA[拷贝别人的maven仓库，自己项目找不到包把别人的maven仓库拷贝过来，自己的项目用这个仓库时，明明包存在，idea却提示找不到包，此时把项目内的.idea删除，把所有iml文件删除。把maven仓库内的jar包文件夹内的.repositories和.lastUpdated删除， 把idea进入项目入口删除再从新通过open打开这个项目，问题基本可以解决
把别人的maven仓库拷贝过来，自己的项目用这个仓库时，明明包存在，idea却提示找不到包，此时把项目内的.idea删除，把所有iml文件删除。把mav]]></description><category></category></item><item><title><![CDATA[idea maven仓库Override重写的意义]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/119946467</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/119946467</guid><author>DASHACHUN</author><pubDate>Fri, 27 Aug 2021 09:57:49 +0800</pubDate><description><![CDATA[idea maven仓库Override重写的意义

这个勾选了，就是把maven配置文件里的仓库中的、你本项目用到的jar包全部拷贝到你本地仓库中，如果不勾选，就是把maven配置文件里的setting配置文件内的仓库地址作为你的本地仓库。

...]]></description><category></category></item><item><title><![CDATA[在linux系统快速配置一个端口]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/119946177</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/119946177</guid><author>DASHACHUN</author><pubDate>Fri, 27 Aug 2021 09:44:40 +0800</pubDate><description><![CDATA[在linux系统快速配置一个端口
先查看linux内置的是Python几，如果是Python2，利用Python脚本，
python -m SimpleHTTPServer 8280 创建8280端口服务。如果是Python3，那你就再百度吧

]]></description><category></category></item><item><title><![CDATA[前端数组往后端传值]]></title><link>https://blog.youkuaiyun.com/DASHACHUN/article/details/118926573</link><guid>https://blog.youkuaiyun.com/DASHACHUN/article/details/118926573</guid><author>DASHACHUN</author><pubDate>Tue, 20 Jul 2021 09:13:05 +0800</pubDate><description><![CDATA[前端数组往后端传值
var userid= [];//
KaTeX parse error: Expected '}', got 'EOF' at end of input: …   userid.push((this).val());//将选中的值添加到数组中
});
userid: JSON.stringify(userid),
把checkbox的值赋值给数组，转变为json格式传到后端
后端接值
String userid1= myFdbReq.getUserid().replaceAll("&am]]></description><category></category></item></channel></rss>