<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[ceopen1的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/ceopen1</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; ceopen1]]></copyright><item><title><![CDATA[Eclipse Project Explorer字体大小]]></title><link>https://blog.youkuaiyun.com/ceopen1/article/details/124787356</link><guid>https://blog.youkuaiyun.com/ceopen1/article/details/124787356</guid><author>ceopen1</author><pubDate>Sun, 15 May 2022 20:24:59 +0800</pubDate><description><![CDATA[版本2021-12

Eclipse IDE for Enterprise Java and Web Developers (includes Incubating components)

Version: 2021-12 (4.22.0)





已经不再是在CSS里手动修改配置。
]]></description><category></category></item><item><title><![CDATA[ubuntu 中安装mysql数据库并配置root从远程登录]]></title><link>https://blog.youkuaiyun.com/ceopen1/article/details/122285921</link><guid>https://blog.youkuaiyun.com/ceopen1/article/details/122285921</guid><author>ceopen1</author><pubDate>Mon, 03 Jan 2022 12:22:21 +0800</pubDate><description><![CDATA[安装
mysql : Ver 8.0.27-0
ubuntu : 20.04.1 for Linux on x86_64 ((Ubuntu))
配置root从远程登录]]></description><category></category></item><item><title><![CDATA[【无标题】]]></title><link>https://blog.youkuaiyun.com/ceopen1/article/details/122081754</link><guid>https://blog.youkuaiyun.com/ceopen1/article/details/122081754</guid><author>ceopen1</author><pubDate>Wed, 22 Dec 2021 11:26:42 +0800</pubDate><description><![CDATA[得到一大堆目录

记录一下。




    System.out.println("java.home : "+System.getProperty("java.home"));  

    System.out.println("java.class.version : "+System.getProperty("java.class.version"));  

    System.out.println("java.class.path : "+System.getProperty("java.]]></description><category></category></item><item><title><![CDATA[JS 数组与对象]]></title><link>https://blog.youkuaiyun.com/ceopen1/article/details/121963672</link><guid>https://blog.youkuaiyun.com/ceopen1/article/details/121963672</guid><author>ceopen1</author><pubDate>Wed, 15 Dec 2021 22:50:03 +0800</pubDate><description><![CDATA[声明之后，地址问题要注意。


&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;body&gt;

&lt;h1&gt;JavaScript 建立数组与对象&lt;/h1&gt;

&lt;p&gt;JavaScript&lt;/p&gt;

&lt;p id="demo"&gt;&lt;/p&gt;

&lt;script&gt;





/*
var sen={e:"e",c:"c"};
这样是不可以的。这样3个数组会指向同一地址。
var sentence=[sen,s]]></description><category></category></item><item><title><![CDATA[SpingMVC controller, service, dao包扫描 配置]]></title><link>https://blog.youkuaiyun.com/ceopen1/article/details/121748046</link><guid>https://blog.youkuaiyun.com/ceopen1/article/details/121748046</guid><author>ceopen1</author><pubDate>Mon, 06 Dec 2021 15:35:03 +0800</pubDate><description><![CDATA[springmvc-action.xml


&lt;context:component-scan base-package="com.memsay.controller"/&gt;
	&lt;context:component-scan base-package="com.memsay.service.*"/&gt;	
	&lt;context:component-scan base-package="com.memsay.dao.*"/&gt;
	

jsp-&gt;js:调用后ajax,后台contr]]></description><category></category></item><item><title><![CDATA[Eclipse Java项目控制台console 输出中文乱码]]></title><link>https://blog.youkuaiyun.com/ceopen1/article/details/121695991</link><guid>https://blog.youkuaiyun.com/ceopen1/article/details/121695991</guid><author>ceopen1</author><pubDate>Fri, 03 Dec 2021 14:34:04 +0800</pubDate><description><![CDATA[当你在向java类中导入某些包的时候（比如：import javax.servet.*）会报错，提示没有这个包。那是因为我们使用的jdk的JRE System Library库中没有包含servet_api.jar。这个时候我们可以可以在网上下载或从Tomcat的lib子目录中的到需要的servlet-api.jar。那么，如何将相应的jar包导入到java项目中呢？下面我们将会进行讲解

1.方法一：

   a.在java项目中新建一个文件夹lib,并将需要导入的jar包复制到lib文件夹中

...]]></description><category></category></item><item><title><![CDATA[【无标题】]]></title><link>https://blog.youkuaiyun.com/ceopen1/article/details/121622737</link><guid>https://blog.youkuaiyun.com/ceopen1/article/details/121622737</guid><author>ceopen1</author><pubDate>Tue, 30 Nov 2021 00:03:23 +0800</pubDate><description><![CDATA[https://blog.youkuaiyun.com/z1770223284/article/details/90300816



今天需要遍历一下json，但是只查到了遍历一层json的文章，满足不了多层级的json遍历。所以自己写一下，用fastJson处理。

所遍历json需要考虑一下多层级的json，需要考虑的就是 JSONObject 和 JSONArray 两种情况，对这两种情况做处理，采用递归向下遍历，用instanceof判断递归到的类型，做不同处理。下边贴上代码：


public class ]]></description><category></category></item><item><title><![CDATA[springmvc与Ajax交互]]></title><link>https://blog.youkuaiyun.com/ceopen1/article/details/121461545</link><guid>https://blog.youkuaiyun.com/ceopen1/article/details/121461545</guid><author>ceopen1</author><pubDate>Sun, 21 Nov 2021 22:21:17 +0800</pubDate><description><![CDATA[转自；https://www.cnblogs.com/xiaoxi/p/5708084.html
springmvc与Ajax交互
Jsp页面：
需要引入jquery-1.10.2.min.js、json2.js、jquery.json-2.3.js三个文件
复制代码
&lt;%@ page contentType="text/html; charset=utf-8" language="java"
    errorPage=""%&gt;
&lt;%@ taglib prefix="c" uri="ht]]></description><category></category></item><item><title><![CDATA[EL与JavaBean在JSP页面中的使用]]></title><link>https://blog.youkuaiyun.com/ceopen1/article/details/121460562</link><guid>https://blog.youkuaiyun.com/ceopen1/article/details/121460562</guid><author>ceopen1</author><pubDate>Sun, 21 Nov 2021 21:31:20 +0800</pubDate><description><![CDATA[user_name字段
JavaBean类
package com.memsay.entity;

public class ATUser {

	public String 	userid;//="001";
	public String	user_name;//="dumbo20";
	public int		user_sex;//1;
	public int 		user_age;////51;
	public String	user_email;//="hap2@vip.sina.com";
	pu]]></description><category></category></item></channel></rss>