<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[wangmusen79的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/wangmusen79</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; wangmusen79]]></copyright><item><title><![CDATA[设计已读和未读的公告]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/111301354</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/111301354</guid><author>wangmusen79</author><pubDate>Wed, 16 Dec 2020 21:14:21 +0800</pubDate><description><![CDATA[需求

需求是这样的，需要在小程序端展示公告，可根据管理后台的排序显示公告列表，如果当前用户未阅读公告，则有未读的红点提示。

想法

提供管理后台的CRUD接口，提供小程序端公告列表接口且接口数据结构中包含是否已阅标识，还需提供一个已阅公告接口。

表设计

思考

表如何设计呢？要有一张公告表notice，这是肯定的，但是如何判定用户是否已读这个公告呢？可以采用一张用户与公告关系记录表notice_read，只要用户点击了公告，总之由前端调用已阅公告接口时，就往notice_read插一条记录。

设计]]></description><category></category></item><item><title><![CDATA[Java 编码非法字符\65279]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/78047867</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/78047867</guid><author>wangmusen79</author><pubDate>Thu, 21 Sep 2017 09:14:26 +0800</pubDate><description><![CDATA[用Idea编译一个Demo，老是提示错误：



设置了Idea的字符编码为UTF-8也无济于事。


最后解决方法：
1.复制整个类到文本文档。
2.删除类文件。
3.重新创建类，将文本中代码paste回来
4.编译通过


原因分析：
可能由于不同IDE编码不同引起的，有些IDE会添加了Unicode字符，将这些Unicode字符去掉就可以了。]]></description><category></category></item><item><title><![CDATA[MySQL按最新时间分组排序的实现]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/77963974</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/77963974</guid><author>wangmusen79</author><pubDate>Wed, 13 Sep 2017 14:32:21 +0800</pubDate><description><![CDATA[情景：最近在做小程序商城，小程序进来首页，显示的最近浏览的店铺。
表：storelog，有主键id, sid，]]></description><category></category></item><item><title><![CDATA[Unicode十进制、html实体字符转中文]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/50338361</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/50338361</guid><author>wangmusen79</author><pubDate>Thu, 17 Dec 2015 10:57:22 +0800</pubDate><description><![CDATA[最近在做一个项目，返回的中文却是类似：&#19977;&#26143;
经过了解，19977是十进制，&h#是html实体。


最简单的方法如下：

function UnicodeToString(content) {
    var div = document.createElement('div');
    div.innerHTML = content;
    retu]]></description><category></category></item><item><title><![CDATA[《JavaScript语言精粹》笔记]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/45950733</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/45950733</guid><author>wangmusen79</author><pubDate>Sun, 24 May 2015 11:41:13 +0800</pubDate><description><![CDATA[1、document.write 和document.writeln的区别

document.write("hello word!");

document.writeln("hello word!");
输出结果是：document.writeln输出后换行


2、注释
避免使用块注释/**/，而用//注释代替
因为在JavaScript中，字符对也可能出现在正则表达式字]]></description><category></category></item><item><title><![CDATA[优化js]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/45840373</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/45840373</guid><author>wangmusen79</author><pubDate>Tue, 19 May 2015 08:46:12 +0800</pubDate><description><![CDATA[if(number > 0)  {
enabled = true;

} 
else {
enabled = false;
}


可以简化成
enabled = number > 0]]></description><category></category></item><item><title><![CDATA[oracle日期相减]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/45741203</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/45741203</guid><author>wangmusen79</author><pubDate>Fri, 15 May 2015 10:18:50 +0800</pubDate><description><![CDATA[当前时间和开始时间相差分钟数


当前时间和开始时间相差秒钟数]]></description><category></category></item><item><title><![CDATA[plsql查询结果乱码问题]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/45740917</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/45740917</guid><author>wangmusen79</author><pubDate>Fri, 15 May 2015 10:02:02 +0800</pubDate><description><![CDATA[使用查询后乱码


解决方法：
配置环境变量
1、LANG=zh_CN.GBK 

2、NLS_LANG=SIMPLIFIED CHINESE_CHINA.ZHS16GBK


plsql重启登录，恢复正常啦！]]></description><category></category></item><item><title><![CDATA[log4j日志分级输出文件]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/44727743</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/44727743</guid><author>wangmusen79</author><pubDate>Sun, 29 Mar 2015 15:57:18 +0800</pubDate><description><![CDATA[log4j.rootLogger=info,stdout,info,debug,error  
log4j.appender.stdout=org.apache.log4j.ConsoleAppender  
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout  
log4j.appender.stdout.layout.C]]></description><category></category></item><item><title><![CDATA[easyui tree获取为实心原点的根节点]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/42965671</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/42965671</guid><author>wangmusen79</author><pubDate>Wed, 21 Jan 2015 11:17:06 +0800</pubDate><description><![CDATA[官方的jquery.easyui.min.js已经实现了对实心圆点框id的获取
var
 nodes = $('#tree').tree('getChecked','indeterminate');]]></description><category></category></item><item><title><![CDATA[form表多个相同name提交问题]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/41286031</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/41286031</guid><author>wangmusen79</author><pubDate>Wed, 19 Nov 2014 19:05:58 +0800</pubDate><description><![CDATA[js：
 var data = '';
 var datas = {};]]></description><category></category></item><item><title><![CDATA[打开tab页面]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/41286001</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/41286001</guid><author>wangmusen79</author><pubDate>Wed, 19 Nov 2014 19:03:47 +0800</pubDate><description><![CDATA[window.open(jsp,"_blank")]]></description><category></category></item><item><title><![CDATA[easyui datagrid翻页不能搜索问题]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/40857193</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/40857193</guid><author>wangmusen79</author><pubDate>Thu, 06 Nov 2014 10:38:15 +0800</pubDate><description><![CDATA[最近又在用公司框架，datagrid翻页后输入搜索]]></description><category></category></item><item><title><![CDATA[ajax Access-Control-Allow-Origin跨域问题]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/40535443</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/40535443</guid><author>wangmusen79</author><pubDate>Tue, 28 Oct 2014 09:17:42 +0800</pubDate><description><![CDATA[今天访问本地竟然报错：
XMLHttpRequest cannot load
http://localhost:8080/bss_server/isLoginBss?userName=AMCTJ013.
 No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is]]></description><category></category></item><item><title><![CDATA[命令行新建 job 错误]]></title><link>https://blog.youkuaiyun.com/wangmusen79/article/details/40107243</link><guid>https://blog.youkuaiyun.com/wangmusen79/article/details/40107243</guid><author>wangmusen79</author><pubDate>Wed, 15 Oct 2014 10:16:45 +0800</pubDate><description><![CDATA[ORA-01008 并非所有变量都已绑定]]></description><category></category></item></channel></rss>