<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qq_294446993的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qq_15744297</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_15744297]]></copyright><item><title><![CDATA[js时间戳转xxx-xx-xx格式]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/94638613</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/94638613</guid><author>qq_15744297</author><pubDate>Thu, 04 Jul 2019 17:57:55 +0800</pubDate><description><![CDATA[&lt;!DOCTYPE html&gt;
&lt;html lang="en"&gt;

&lt;head&gt;
    &lt;meta charset="UTF-8"&gt;
    &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
    &lt;meta http-equiv="X-...]]></description><category></category></item><item><title><![CDATA[est6 import静态导入跟动态导入使用跟区别]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/91958729</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/91958729</guid><author>qq_15744297</author><pubDate>Fri, 14 Jun 2019 11:24:40 +0800</pubDate><description><![CDATA[https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Statements/import
参见官方文档
静态的import 语句用于导入由另一个模块导出的绑定。无论是否声明了 strict mode ，导入的模块都运行在严格模式下。在浏览器中，import 语句只能在声明了 type=“module” 的 script ...]]></description><category></category></item><item><title><![CDATA[2019-02-22Java中的反射]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/87883236</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/87883236</guid><author>qq_15744297</author><pubDate>Fri, 22 Feb 2019 17:52:05 +0800</pubDate><description><![CDATA[通过三种方法可以实现反射：
Class clazz=Person.class; //获取反射对象
第二种方法：
Person person=new Person();
person.getClass();
第三种方法:
Class clazz3=Class.forName(“包名+类名”);
下面我们来看一个示例代码（参见Java编程思想317/559):
/**
* 接口1
*/
public ...]]></description><category></category></item><item><title><![CDATA[2019-02-18Java重linkedList源码实现逻辑]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/87608460</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/87608460</guid><author>qq_15744297</author><pubDate>Mon, 18 Feb 2019 11:42:52 +0800</pubDate><description><![CDATA[代码如下：
/**
 * java自定义一个LinkedList类
 *实现思路就是:内部类 node的prev字段指向上一个Node节点，node的next字段指向下一个node节点
 */
public class LinkedList&amp;amp;lt;E&amp;amp;gt; {


   transient Node&amp;amp;lt;E&amp;amp;gt; first; //前一个元素
   transient Node&amp;amp;lt;E&amp;amp;g...]]></description><category></category></item><item><title><![CDATA[2019-01-20Java常量池详解之一道比较蛋疼的面试题]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/86563323</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/86563323</guid><author>qq_15744297</author><pubDate>Sun, 20 Jan 2019 16:35:43 +0800</pubDate><description><![CDATA[ public static void objPoolTest() {
        Integer integer=Integer.valueOf(20);
        Integer i1 = 40;//；Java在编译的时候会执行将代码封装成Integer i1=Integer.valueOf(40)
        Integer i2 = 40;
        Integer i...]]></description><category></category></item><item><title><![CDATA[rxjava中的doxxx操作符使用]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/86562049</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/86562049</guid><author>qq_15744297</author><pubDate>Sun, 20 Jan 2019 14:45:33 +0800</pubDate><description><![CDATA[个人简书地址：
https://www.jianshu.com/p/30c0a0cb5c15
do操作符可以给Observable的生命周期的各个阶段加上一系列的回调监听，当Observable执行到这个阶段的时候，这些回调就会被触发
示例代码如下：
//cold Obserable
        Observable.just(&quot;dsfsdsf&quot;)
                .doOnN...]]></description><category></category></item><item><title><![CDATA[rxjava各种教程资料]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/83143549</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/83143549</guid><author>qq_15744297</author><pubDate>Thu, 18 Oct 2018 11:15:52 +0800</pubDate><description><![CDATA[这里写自定义目录标题RXjava教程连接
RXjava教程连接
https://sq.163yun.com/blog/article/167785937918328832
https://www.cnblogs.com/SongYongQian/p/7978653.html
https://blog.youkuaiyun.com/github_36617621/article/details/77113175...]]></description><category></category></item><item><title><![CDATA[androidstudio报错加载失败]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/83120278</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/83120278</guid><author>qq_15744297</author><pubDate>Thu, 18 Oct 2018 00:29:03 +0800</pubDate><description><![CDATA[androidstudio报错加载失败androidstudio报错加载失败
androidstudio报错加载失败
参考地址：
https://jingyan.baidu.com/article/48b37f8ddbcbbe1a64648832.html

]]></description><category></category></item><item><title><![CDATA[js数组的增加，删除操作]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/82352075</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/82352075</guid><author>qq_15744297</author><pubDate>Mon, 03 Sep 2018 17:39:00 +0800</pubDate><description><![CDATA[地址 
https://www.cnblogs.com/huyanlon/p/6866065.html]]></description><category></category></item><item><title><![CDATA[android-glide4.7下使用]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/82116455</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/82116455</guid><author>qq_15744297</author><pubDate>Mon, 27 Aug 2018 17:34:36 +0800</pubDate><description><![CDATA[glide4.7下使用 
1.加载网络图片处理 
2.如通过glide获取Bitmap对象 然后自己保存 或者 通过位图图像将图片保存到指定的目录 结合java io流 
参考地址如下： 
https://blog.youkuaiyun.com/mars314/article/details/80653795...]]></description><category></category></item><item><title><![CDATA[java中HashTable几种遍历方式]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/81605710</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/81605710</guid><author>qq_15744297</author><pubDate>Sun, 12 Aug 2018 13:18:08 +0800</pubDate><description><![CDATA[java中HashTable几种遍历方式

##  Hashtable]]></description><category></category></item><item><title><![CDATA[react-native-picker实现三级联动]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/80252280</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/80252280</guid><author>qq_15744297</author><pubDate>Wed, 09 May 2018 13:28:40 +0800</pubDate><description><![CDATA[首先参考开源项目地址：https://github.com/beefe/react-native-picker
代码如下：


import React from 'react'
import { View, Text, TouchableOpacity, StyleSheet, TextInput } from 'react-native'
import Picker from 'react-n...]]></description><category></category></item><item><title><![CDATA[android从A页面跳转到B页面生命周期方法执行顺序]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/79606167</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/79606167</guid><author>qq_15744297</author><pubDate>Sun, 18 Mar 2018 23:38:13 +0800</pubDate><description><![CDATA[从上图可以看出 从A页面跳转到B页面Act的生命周期执行顺序为首先执行 A页面的onPause方法 然后是在B页面的onCreate 方法 onStart方法 onResume方法 此时B页面可见了并且有焦点 此时onStop A页面...]]></description><category></category></item><item><title><![CDATA[react-native学习之路3-使用夜神模拟器调试]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/78090370</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/78090370</guid><author>qq_15744297</author><pubDate>Mon, 25 Sep 2017 22:42:23 +0800</pubDate><description><![CDATA[参考地址：https://www.iyunv.com/thread-346832-1-1.html

1.首先假设android sdk已经安装好了，并且已经配置好了，在path里面配置环境变量 指定sdk目录

2运行cmd   使用如下图所示



3.比如我的demo运行效果如下：



测试的过程中，我也是反复测试了好多次，如果出现白屏情况，点击上图效果右上角的手机图标 点击三次，会弹出一...]]></description><category></category></item><item><title><![CDATA[react-native学习之路2项目的导入与导出]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/78078451</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/78078451</guid><author>qq_15744297</author><pubDate>Sun, 24 Sep 2017 18:21:19 +0800</pubDate><description><![CDATA[这里以android为例子（ios同理）
首先我们来看android的入口文件index.android.js文件
代码如下：


/**
* Sample React Native App
* https://github.com/facebook/react-native
* @flow
*/

import React, {
Component } from
're]]></description><category></category></item><item><title><![CDATA[mui解决跳转到页面返回不刷新问题]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/78068832</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/78068832</guid><author>qq_15744297</author><pubDate>Sat, 23 Sep 2017 09:45:35 +0800</pubDate><description><![CDATA[废话不多说直接附上地址
http://ask.dcloud.net.cn/article/617]]></description><category></category></item><item><title><![CDATA[document.querySelector和querySelectorAll方法]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/78036842</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/78036842</guid><author>qq_15744297</author><pubDate>Wed, 20 Sep 2017 09:18:32 +0800</pubDate><description><![CDATA[querySelector和querySelectorAll是W3C提供的 新的查询接口，其主要特点如下：


1、querySelector只返回匹配的第一个元素，如果没有匹配项，返回null。 
2、querySelectorAll返回匹配的元素集合，如果没有匹配项，返回空的nodelist(节点数组)。 
3、返回的结果是静态的，之后对document结构的改变不会影响到之前取到的]]></description><category></category></item><item><title><![CDATA[js格式化时间]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/78026403</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/78026403</guid><author>qq_15744297</author><pubDate>Tue, 19 Sep 2017 09:36:50 +0800</pubDate><description><![CDATA[function getNowFormatDate() {
 var date = new Date();
 var seperator1 = "-";
 var seperator2 = ":";
 var month = date.getMonth() + 1;
 var strDate = date.getDate();
 if (month &gt;= 1 &amp;&amp;...]]></description><category></category></item><item><title><![CDATA[react-native学习之路1-windows下开发环境的搭建]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/78011739</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/78011739</guid><author>qq_15744297</author><pubDate>Sun, 17 Sep 2017 17:23:33 +0800</pubDate><description><![CDATA[2015年9月facebook公司推出的react-native框架...
今天开始学习react-native，首先来进行开发环境的搭建
1.安装nodejs  


2 安装java的jdk以及androidstudio等进行android开发环境的配置
3.创建react-native 的项目
   1.首先进入react-native项目目录  然后 react-native]]></description><category></category></item><item><title><![CDATA[js实现城市列表的三级联动]]></title><link>https://blog.youkuaiyun.com/qq_15744297/article/details/76696933</link><guid>https://blog.youkuaiyun.com/qq_15744297/article/details/76696933</guid><author>qq_15744297</author><pubDate>Sat, 05 Aug 2017 03:30:00 +0800</pubDate><description><![CDATA[最近在公司忙于前端开发 主要做微信小程序跟webApp ，毕竟前面做过Android开发，相对来说难度不大，

今天晚上睡不着 起来写下js代码 想想三级联动在平时开发中经常用到，可能我们一般是网上拷贝代码，今天自己动手参考网上资料来写的


&lt;!DOCTYPE html&gt;

&lt;html lang="en"&gt;
&lt;head&gt;
  &lt;meta chars...]]></description><category></category></item></channel></rss>