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RSS订阅原创 012变120
public class Turn {public static void main(String args[]) { String s[]= {"a","b","c"};for(int i=0;i<s.length;i++) {int j=0;if(i==s.length-1) {j=0;}else {j=i+1;}System.out.println(j); }...
2020-03-22 09:00:41
121
原创 PHP统计数量
include’conn.php’;$sql=“select * from list where count!=‘null’”;$fields=“count”;array=array=array=conne->getRowsArray($sql);sum=0;foreach(sum=0;foreach(sum=0;foreach(array as key=>key=>k...
2020-02-28 17:49:13
631
原创 Git Bash上传命令
$ git clone https://github.com/（项目网址）$ cd （项目名称）$ git add .$ git commit -m “（commit名称）”$ git push origin master
2020-02-25 10:28:49
148
原创 JS获取星期
function date(){var week = new Date().getDay();document.write(week);};window.οnlοad=date();
2020-02-25 09:27:55
145
1
原创 Java主方法引用其他方法
//输出“This is a base.”public class Base {public void p(String s) {System.out.print(s);}public static void main(String[] args) {Base b=new Base();b.p(“This is a base.”);}}
2020-02-22 10:09:33
265
原创 JavaBean
Bean.javapackage bean;public class Bean {private int id;public int getId() { return this.id;}public void setId(int id) { this.id = id;}}Id.javapackage bean;import bean.Bean;public clas...
2019-12-27 15:19:36
67
原创 Java输出九九乘法表
代码public class M {public static void main(String[] args) {for(int i=1;i<=9;i++) {for(int j=1;j<=i;j++) {System.out.print(j+""+i+"="+ij+"\t");}System.out.println();}}}
2019-12-19 12:04:55
136
原创 Java输出小于16的5的最大倍数
public class Five {public static void main(String[] args) {int a=16;for(int i=0;i<=a;i++) {if(i%5==0&&a-i<5) {System.out.println(i); } }}}
2019-12-09 14:50:30
159
原创 Eclipse利用sqljdbc4连接SQL
<%@ page import=“java.sql.*”%><%Class.forName(“com.microsoft.sqlserver.jdbc.SQLServerDriver”).newInstance();//SQL SERVER 2005及以后版本的驱动String url=“jdbc:sqlserver://localhost:1433;databaseNam...
2019-12-02 15:39:57
242
原创 JavaBean示例
Op.javapackage op;public class Op {public static void p(){ int i=20; System.out.print(i+50);}}Bean.javapackage bean;import op.Op;public class Bean {public static void main(Strin...
2019-06-21 17:08:48
135
转载 Node.js服务器
var http=require(‘http’);http.createServer(function(req,res){res.writeHead(200, {‘Content-Type’: ‘text/html’});res.write(‘Node.js’);res.end(‘Hello World’);}).listen(3000);console.log(“HTTP serve...
2019-05-10 14:22:19
157
转载 HTML5+JS调用摄像头
HTML5代码拍照JS代码!(function () {// 老的浏览器可能根本没有实现 mediaDevices，所以我们可以先设置一个空的对象if (navigator.mediaDevices === undefined) {navigator.mediaDevices = {};}if (navigator.mediaDevices.getUserMedia ==...
2019-05-08 21:38:22
430
原创 NetBeans连接SQL
<%@page import=“java.sql.*”%><% String driverName=“com.microsoft.sqlserver.jdbc.SQLServerDriver”;String url=“jdbc:sqlserver://localhost:1433;DatabaseName=数据库名”;Class.forName(driverName).ne...
2019-05-06 14:56:09
329
原创 JPS登录
<%@page contentType=“text/html” pageEncoding=“UTF-8”%><%@page import = “java.sql.*” %><%String name=request.getParameter(“name”),password=request.getParameter(“password”);if(name!=...
2019-03-30 19:09:59
375
原创 PHP输出数组指定字段
include’includes/conn.php’;$sql=“select * from tb_content”;array=array=array=conne->getRowsArray(sql);foreach(sql); foreach (sql);foreach(array as key=>key=>key=>content) {echo...
2019-03-27 20:57:35
1840
原创 改进版PHP复制文件夹及其内容
<?phpfunction copydir(source="sources",source="sources",source="sources",dest=“dog”){if (!file_exists(KaTeX parse error: Expected '}', got 'EOF' at end o...
2019-03-26 20:22:22
116
原创 PHP复制文件夹及其内容
function copydir(){$source=“sources”;dest="dog";if(!fileexists(dest="dog"; if (!file_exists(dest="dog";if(!fileexists(dest)){mkdir($dest);}handle=opend...
2019-03-26 19:31:26
541
原创 按钮颜色
function (id)returndocument.getElementById(id);varname=(id){ return document.getElementById(id);} var name=(id)returndocument.getElementById(id);varname=(‘name’).innerText;var sname=$(‘sname...
2019-03-25 17:08:49
1034
原创 Ajax设置点赞按钮的颜色
var id_con2= x[i].id; url="./up2.php"; url+="?id_con2="+id_con2+"&upr2="+sname; xmlHttp.open("GET",url,true); xmlHttp.send(); xmlHttp.onreadystatechange=f...
2019-03-25 12:31:06
380
原创 Java多个文件传递值
Info.javapackage info;import dao.Dao;import op.Op;public class Info {public static void main(String[] args) {user=Dao.check(4, 12);} private static Op user; public static Op getUser() { ...
2019-03-12 21:23:27
299
原创 Java查询
Info.javapackage info;import dao.*;public class Info {public static void main(String[] args) { Dao.dao();}}Dao.javapackage dao;import java.sql.*;public class Dao {public static Dao dao(){...
2019-03-12 13:49:59
1296
原创 最简单的Java import示例
1.Info.javapackage info;import dao.Dao;//引入dao包中的Dao.javapublic class Info {public static void main(String[] args) {Dao.abc(); //执行Dao当中的abc方法}}2. Dao.javapackage dao;public class Dao {pub...
2019-03-11 13:48:50
135
原创 Java连接MySql示例
package mysqldemo;import java.sql.*;public class MySQLDemo {// JDBC 驱动名及数据库 URLstatic final String JDBC_DRIVER = "com.mysql.jdbc.Driver"; static final String DB_URL = "jdbc:mysql://localhost:330...
2019-03-08 18:23:21
153
原创 带省略号的PHP分页
<?phprequire 'connect.php';$q="select * from tb_member";$r= mysqli_query($dbc, $q);$count= mysqli_num_rows($r);//数据库总行数if(empty($_GET['page'])){ $page=1;}else{ $page=$_GET['page']; }...
2019-03-05 11:17:49
582
原创 php搜索引擎
<?php include 'conn.php';//数据库链接 if(!empty($_REQUEST['search'])){ $search=$_REQUEST['search']; } $sql="select * from...
2019-03-02 20:12:03
1096
原创 PHP封装类
c.php<?phpclass opmysqli{ private $host=''; //服务器地址 private $name='' ; //登录账号 private $pwd =''; //登录密码 private $dBase=''; //数据库名称 private $conn ; //数据库链接资源 private $result ...
2019-02-27 15:49:59
324
原创 mysqli_fetch_array()显示错误
$active = "select active from tb_member where name = '".$name.""; $ra= $mysqli->query($active); //打印错误信息 if (!$ra) {printf(“Error: %s\n”, mysqli_error($mysqli));exit();}...
2019-02-26 14:20:31
1765
原创 PHP运用Zend Mail发送表单内容
<?php//判断是否提交了表单if($_POST['send']){ //引入Zend中关于发送邮件所需要的文件 include_once 'Zend/Mail.php'; include_once 'Zend/Mail/Transport/Smtp.php'; //新建实例 有的smtp服务可能需要登录 所以我们对smtp进行登陆的配置 $config = a...
2019-02-25 10:09:36
357
原创 PHP使用Zend Mail发送邮件
<?phprequire_once 'Zend/Mail.php';require_once 'Zend/Mail/Transport/Smtp.php';class logMail {private static $_config=array('auth'=>'login','username'=>'[email protected]',//发送使用的邮箱'password'=>...
2019-02-25 09:29:57
339
原创 PHP+Ajax检测数据行数
index.php 用户名： <p><button id="regbtn" onclick="chkveri(),ajaxfunction()">注册</button></p> </section> &am
2019-02-23 15:46:57
154
原创 面向对象的PHP连接数据库
<?phpDEFINE('DB_HOST', 'host');DEFINE('DB_USER', 'user');DEFINE('DB_PASSWORD', 'password');DEFINE('DB_NAME', 'db_name);$mysqli=new MySQLi(DB_HOST,DB_USER,DB_PASSWORD,DB_NAME);if($mysqli->...
2019-02-22 18:07:49
327
原创 JS生成4位验证码
PHP<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> </head> <body> <?
2019-02-18 19:49:48
636
原创 Ajax封装
index.php<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> </head> <body> &am
2019-02-16 14:53:40
143
原创 PHP+JS验证表单
PHP<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> </head> <body> <p
2019-02-15 20:51:02
625
空空如也
知乎、GitHub个性域名功能是如何实现的？
2019-03-29
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