<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[lcssc1的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/lcssc1</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; lcssc1]]></copyright><item><title><![CDATA[npm install(npm i)报错]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/117220725</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/117220725</guid><author>lcssc1</author><pubDate>Mon, 24 May 2021 11:36:45 +0800</pubDate><description><![CDATA[有可能是npm的版本太高，以下代码可以自由选择版本
npm i -g npm@6.0.1


]]></description><category></category></item><item><title><![CDATA[List、Set循环删除集合中元素]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/116053134</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/116053134</guid><author>lcssc1</author><pubDate>Fri, 23 Apr 2021 14:15:29 +0800</pubDate><description><![CDATA[采用迭代器循环遍历删除
Set&lt;String&gt; s = new HashSet&lt;String&gt;();
        s.add("a");
        s.add("b");
        s.add("c");
        Iterator&lt;String&gt; it = s.iterator();
        while(it.hasNext()){
            String t = it.next();
            if("a".e]]></description><category></category></item><item><title><![CDATA[Shiro的认证基本]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/110729048</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/110729048</guid><author>lcssc1</author><pubDate>Sat, 05 Dec 2020 23:13:21 +0800</pubDate><description><![CDATA[public class testAuthen {
    public static void main(String[] args) {
        //创建securityManager
        DefaultSecurityManager defaultSecurityManager = new DefaultSecurityManager();
        defaultSecurityManager.setRealm(new IniRealm("classpath:shiro.i]]></description><category></category></item><item><title><![CDATA[chrom禁用网站的js]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/109251381</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/109251381</guid><author>lcssc1</author><pubDate>Fri, 23 Oct 2020 23:03:11 +0800</pubDate><description><![CDATA[点击设置
找到网站设置

选择JavaScript一栏

然后把你想禁用的网站地址输入进去就行了


]]></description><category></category></item><item><title><![CDATA[JDBC连接数据库]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/108309591</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/108309591</guid><author>lcssc1</author><pubDate>Sun, 30 Aug 2020 19:05:12 +0800</pubDate><description><![CDATA[我们可以建一个数据库工具类
public class DBUtils {
    public static Connection getConnection() throws ClassNotFoundException, SQLException {
        Class.forName("com.mysql.jdbc.Driver");
        String url = "jdbc:mysql://localhost:3306/navi?serverTimezone=UTC&amp;us]]></description><category></category></item><item><title><![CDATA[java实现加密以及验证]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/108307788</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/108307788</guid><author>lcssc1</author><pubDate>Sun, 30 Aug 2020 16:29:28 +0800</pubDate><description><![CDATA[public class mds {
    public String EncoderByMd5(String str) throws NoSuchAlgorithmException, UnsupportedEncodingException {
        //md5加密
        MessageDigest md5=MessageDigest.getInstance("MD5");
        BASE64Encoder base64en = new BASE64Encoder();
]]></description><category></category></item><item><title><![CDATA[idea maven配置jetty]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/108246807</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/108246807</guid><author>lcssc1</author><pubDate>Wed, 26 Aug 2020 20:16:03 +0800</pubDate><description><![CDATA[在你的pom.xml文件中添加如下语句

        &lt;plugin&gt;
          &lt;groupId&gt;org.eclipse.jetty&lt;/groupId&gt;
          &lt;artifactId&gt;jetty-maven-plugin&lt;/artifactId&gt;
          &lt;version&gt;9.4.5.v20170502&lt;/version&gt;
          &lt;configuration&gt]]></description><category></category></item><item><title><![CDATA[关于给用c++参加编程比赛的人一个小tips]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/107738365</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/107738365</guid><author>lcssc1</author><pubDate>Sat, 01 Aug 2020 23:04:05 +0800</pubDate><description><![CDATA[如果你在使用cout输出发现超时，可以使用printf()指定输出类型，这样可以缩短一定时间

]]></description><category></category></item><item><title><![CDATA[java集合类之list]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/107720477</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/107720477</guid><author>lcssc1</author><pubDate>Fri, 31 Jul 2020 20:09:43 +0800</pubDate><description><![CDATA[介绍list的常用方法，如下代码
import java.util.ArrayList;
import java.util.List;

public class li {

	public static void main(String[] args) {
		List slist = new ArrayList&lt;String&gt;();  //实例化ArrayList
		slist.add("qingdao"); //add()给list添加元素,向后添加
		slist.add("fujia]]></description><category></category></item><item><title><![CDATA[Spring Boot配置文件yml]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/107719488</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/107719488</guid><author>lcssc1</author><pubDate>Fri, 31 Jul 2020 18:49:32 +0800</pubDate><description><![CDATA[spring boot中的后缀为yml的配置文件
首先为了方便讲解我们需要先创建两个类分别为Person和Dog
public class Dog {
    private String name;
    private Integer age;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
]]></description><category></category></item><item><title><![CDATA[初学spring boot遇到的坑]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/107702186</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/107702186</guid><author>lcssc1</author><pubDate>Thu, 30 Jul 2020 22:15:43 +0800</pubDate><description><![CDATA[spring启动器可以和controller包平级，但绝不允许controller包在spring启动器之上，否则主程序无法运行

]]></description><category></category></item><item><title><![CDATA[c++实现判断回文串]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/107305013</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/107305013</guid><author>lcssc1</author><pubDate>Sun, 12 Jul 2020 20:44:39 +0800</pubDate><description><![CDATA[“回文串”是一个正读和反读都一样的字符串，比如“level”或者“noon”等等就是回文串。
#include&lt;iostream&gt;
#include&lt;string&gt;
using namespace std;
bool panduan(string s){
	int len = s.length();
	for(int i=0;i&lt;len/2;i++){
		if(s[i]==s[len-i-1])
		{
		}else{
			return false;
		}
	}
	re]]></description><category></category></item><item><title><![CDATA[Java实现输出当前时间，精确到秒]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/106765128</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/106765128</guid><author>lcssc1</author><pubDate>Mon, 15 Jun 2020 16:25:43 +0800</pubDate><description><![CDATA[SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //设置时间格式
        Timestamp d = new Timestamp(System.currentTimeMillis()); //获取当前时间
        String sdate=sdf.format(d);


]]></description><category></category></item><item><title><![CDATA[jsp+servlet实现搜索框]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/106753203</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/106753203</guid><author>lcssc1</author><pubDate>Sun, 14 Jun 2020 23:20:58 +0800</pubDate><description><![CDATA[这是搜索框的html代码
 &lt;form action="/pre/search" method="post"&gt;
            &lt;div class="indexSearch"&gt;
                &lt;input type="text" placeholder="请输入帖子名" name="partname"/&gt;
                &lt;input type="submit" value="搜索"/&gt;
            &l]]></description><category></category></item><item><title><![CDATA[基于jsp+javabean+servlet+mysql制作简易的登录注册功能]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/106203161</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/106203161</guid><author>lcssc1</author><pubDate>Mon, 18 May 2020 22:40:59 +0800</pubDate><description><![CDATA[本次案例软件:idea，服务器:jetty
1.pom.xml配置
&lt;?xml version="1.0" encoding="UTF-8"?&gt;

&lt;project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven]]></description><category></category></item><item><title><![CDATA[实现进制转换]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/105729798</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/105729798</guid><author>lcssc1</author><pubDate>Fri, 24 Apr 2020 14:30:11 +0800</pubDate><description><![CDATA[对一个P进制的数转换为D进制的数，分两种情况:
(1)将P进制数x转为十进制数y
x为a1a2…an (a表示每位上的数字)
那么y=a1P^(n-1)+a2P(n-2)+…+an
以下代码即可实现
int y=0,pp=1; //pp开始就是P^0,后成为P,P^2...
while(x!=0){
y=y+(x%10) * pp;  //x%10获得个位
x=x/10; //去掉已经用过的x的个...]]></description><category></category></item><item><title><![CDATA[二分查找]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/105646579</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/105646579</guid><author>lcssc1</author><pubDate>Mon, 20 Apr 2020 22:37:33 +0800</pubDate><description><![CDATA[原题:https://pintia.cn/problem-sets/15/problems/923
本题要求实现二分查找算法。
函数接口定义：
Position BinarySearch( List L, ElementType X );

其中List结构定义如下：
typedef int Position;
typedef struct LNode *List;
struct LNode {
...]]></description><category></category></item><item><title><![CDATA[jsp加法实现]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/105496384</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/105496384</guid><author>lcssc1</author><pubDate>Mon, 13 Apr 2020 20:13:34 +0800</pubDate><description><![CDATA[实现效果:
&lt;%@ page contentType="text/html;charset=UTF-8" language="java" %&gt;
&lt;html&gt;
&lt;head&gt;
    &lt;title&gt;Title&lt;/title&gt;
&lt;/head&gt;
&lt;body&gt;


&lt;%

    long v = 0;
    Str...]]></description><category></category></item><item><title><![CDATA[java制作简易的验证码]]></title><link>https://blog.youkuaiyun.com/lcssc1/article/details/105356441</link><guid>https://blog.youkuaiyun.com/lcssc1/article/details/105356441</guid><author>lcssc1</author><pubDate>Tue, 07 Apr 2020 12:30:39 +0800</pubDate><description><![CDATA[源代码:
import javax.imageio.ImageIO;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
i...]]></description><category></category></item></channel></rss>