<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[My_yxc的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/My_yxc</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; My_yxc]]></copyright><item><title><![CDATA[properties写入写出]]></title><link>https://blog.youkuaiyun.com/My_yxc/article/details/117790006</link><guid>https://blog.youkuaiyun.com/My_yxc/article/details/117790006</guid><author>My_yxc</author><pubDate>Thu, 10 Jun 2021 19:34:38 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[合同号生成工具类使用 只供自己使用]]></title><link>https://blog.youkuaiyun.com/My_yxc/article/details/117789995</link><guid>https://blog.youkuaiyun.com/My_yxc/article/details/117789995</guid><author>My_yxc</author><pubDate>Thu, 10 Jun 2021 19:34:01 +0800</pubDate><description><![CDATA[导入

hetong.html，合同上传下载工具，simsun.ttc，启动niginx代理签章

vue



web



service





dao




]]></description><category></category></item><item><title><![CDATA[redis防治数据重复提交]]></title><link>https://blog.youkuaiyun.com/My_yxc/article/details/117789954</link><guid>https://blog.youkuaiyun.com/My_yxc/article/details/117789954</guid><author>My_yxc</author><pubDate>Thu, 10 Jun 2021 19:31:56 +0800</pubDate><description><![CDATA[redis防治数据重复提交

redis防治数据重复提交

Booleanname =redisTemplate.opsForValue().setIfAbsent(传过来的参数redis自动判断)；

设置数据有效时间这里可以不用设置(自己测试为了方便)

redisTemplate.expire(key,30,TimeUnit.MINUTES)；

判断数据是否重复提交

if（name）{
通过存存储到数据库当中

}else{{
不能重...]]></description><category></category></item><item><title><![CDATA[vue项目部署和spring boot项目部署]]></title><link>https://blog.youkuaiyun.com/My_yxc/article/details/117789934</link><guid>https://blog.youkuaiyun.com/My_yxc/article/details/117789934</guid><author>My_yxc</author><pubDate>Thu, 10 Jun 2021 19:31:02 +0800</pubDate><description><![CDATA[vue涉及到一个跨域vue.config.js或者config/index.js里吧跨域中配置的反向代理localhost改成部署的ip和端口号，如果在后端springboot中配置的跨域也要吧localhost改成部署的ip和端口号

vue打包部署运行命令

cd到部署的该盘符下执行

npm run build

springboot打包在pom配置文件里添加打包插件

&lt;build&gt;

&lt;plugins&gt;

&lt;plugin&gt;

...]]></description><category></category></item><item><title><![CDATA[jvm堆内存溢出处理]]></title><link>https://blog.youkuaiyun.com/My_yxc/article/details/117789930</link><guid>https://blog.youkuaiyun.com/My_yxc/article/details/117789930</guid><author>My_yxc</author><pubDate>Thu, 10 Jun 2021 19:30:29 +0800</pubDate><description><![CDATA[1.设置最大堆内存 -Xmx256m

2 设置初始化堆内存 -Xms128m

3设置年轻代堆内存 -Xmn64m
]]></description><category></category></item><item><title><![CDATA[bigdecimal的使用]]></title><link>https://blog.youkuaiyun.com/My_yxc/article/details/117789916</link><guid>https://blog.youkuaiyun.com/My_yxc/article/details/117789916</guid><author>My_yxc</author><pubDate>Thu, 10 Jun 2021 19:29:48 +0800</pubDate><description><![CDATA[使用实例

BigDecimalprice =vegtables.getPrice();

加法new一个BigDecimal对象对象名叫做p2

MathContest方法使用

BigDecimaladd =p2.add(price,new MathContext(3（"要保留的小数位"）,RoundingMode.HALF_HP("向上取整")))；

setScale()方法使用和保留有效数字

BigDecimaladd =p2.add(price).setScale("保留的小数...]]></description><category></category></item><item><title><![CDATA[前后端分离Cookie跨域处理]]></title><link>https://blog.youkuaiyun.com/My_yxc/article/details/117789902</link><guid>https://blog.youkuaiyun.com/My_yxc/article/details/117789902</guid><author>My_yxc</author><pubDate>Thu, 10 Jun 2021 19:28:56 +0800</pubDate><description><![CDATA[找到vue里main.js把允许Cookie

axios.defaults.withCredentials=true



Springboot后端处理新建一个xxx.xxx.xxx.config配置包



@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/**")
.allowCredentials(true)
...]]></description><category></category></item><item><title><![CDATA[vue前端跨域]]></title><link>https://blog.youkuaiyun.com/My_yxc/article/details/117789884</link><guid>https://blog.youkuaiyun.com/My_yxc/article/details/117789884</guid><author>My_yxc</author><pubDate>Thu, 10 Jun 2021 19:28:08 +0800</pubDate><description><![CDATA[module.exports = {
devServer: {
//以上的ip和端口是我们本机的;下面为需要跨域的
proxy: {
'/api': { // 拦截以 /api 开头的接口
target: 'http://localhost:('自己后台端口号')/',//设置你调用的接口域名和端口号 别忘了加http
changeOrigin: true, //这里...]]></description><category></category></item><item><title><![CDATA[2021-06-10sql 存储过程]]></title><link>https://blog.youkuaiyun.com/My_yxc/article/details/117789866</link><guid>https://blog.youkuaiyun.com/My_yxc/article/details/117789866</guid><author>My_yxc</author><pubDate>Thu, 10 Jun 2021 19:26:53 +0800</pubDate><description><![CDATA[drop PROCEDURE if EXISTS getSequence;
drop TABLE if EXISTS tb_sequence;
create PROCEDURE getSequence(in nus BIGINT)
begin
DECLARE seqid BIGINT DEFAULT 0;
DECLARE datet VARCHAR(50) DEFAULT '';
create table if not EXISTS tb_sequence(
`i...]]></description><category></category></item></channel></rss>