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转载 php获取相关日期等等留着备用，从其他地方抄来的

php获取相关日期等等留着备用，从其他地方抄来的

2022-10-17 18:25:12 138

原创 2020-12-31

再见2020，希望明年有所收获，争取不在是沙雕，哈哈哈哈哈

2020-12-31 18:11:28 197

//JDBCUtils.getDataSource() 是返回数据库的链接对象 private JdbcTemplate template = new JdbcTemplate(JDBCUtils.getDataSource()); public void add(User user) { //1.定义sql String strSql = "insert into user values(null,?,?,?,?,?,?,null,n...

2020-10-27 19:55:36 1402

原创约瑟夫环

package com.com.linklist;public class yuesefu { public static void main(String[] args) { CircleSingleLinkedList link = new CircleSingleLinkedList(); link.addBoy(5); link.showBoy(); link.countboy(1,2,5); }}//创建一.

2020-09-23 17:29:04 179

原创 java反射类

通过配置文件properties操作反射类package com.com.linklist;import com.duilie.ArrayQueueDemo;import java.io.IOException;import java.io.InputStream;import java.lang.reflect.Method;import java.util.Properties;public class test { public static void main(..

2020-09-18 15:55:24 140

原创分治比赛选手循环问题

package com.com.linklist;import static java.lang.Math.sqrt;public class bisai { public static void main(String[] args) { int [][]a=new int[100][100]; int [][]b=new int[100][100]; int temp =8; int .

2020-09-15 17:01:52 118

原创 c++ STL 练习

#define _CRT_SECURE_NO_WARNINGS#include<iostream>using namespace std;#include<string>#include<vector>#include<deque>#include<ctime>#include<algorithm>#include <iomanip>#include<stdlib.h>#include&lt.

2020-08-06 18:03:39 389

原创 c++stl练习

#define _CRT_SECURE_NO_WARNINGS#include<iostream>using namespace std;#include<string>#include<vector>#include<deque>#include<ctime>#include<algorithm>#include <iomanip>#include<stdlib.h>#include&lt.

2020-08-03 16:14:25 164

原创类模板自定义数组

test.cpp#pragma once#include "MyArr.hpp"#include <string>using namespace std;class Person{public: Person(){ } Person(int a, string n){ this->age = a; this->name = n; } int age; string name;};//输出int数组void print_int(My

2020-07-26 17:24:40 236

原创选择排序

#include<iostream>using namespace std;#include<string>template<class T>void mySwap(T &a, T &b){ T tmp; tmp = a; a = b; b = tmp;}template<class T>void xuanze(T arr[], int len){ for (int i = 0; i < len; .

2020-07-22 18:22:32 104

原创 php7.4 微信小程序获取手机号

第一步应该先接受获取code 然后得到sessionkey和openid第二步把openid返回给小程序客户端，同时把sessionkey和openid存入数据库第三步小程序获取手机号时把openid和encryptedData 和iv 一起发送给后端然后调用官方的demowxBizDataCrypt.php解密就好了，解密成功后根据openid 把手机号更新存入数据库中这里只是单纯获取手机号而已如果还需要用户昵称等等多调用一步授权就可以了<?phpini_set(...

2020-07-22 15:54:32 478

原创 c++实现字符串

mystring.h#define _CRT_SECURE_NO_WARNINGS#pragma once#include <iostream>using namespace std;class mystring{ friend ostream& operator<<(ostream& cout, mystring &str); friend istream& operator>>(istream& cin

2020-07-11 18:05:58 189

原创单例模式

#define _CRT_SECURE_NO_WARNINGS#include <iostream>using namespace std;#include <string>class singleman{public: static singleman* getInstance() { return sman; }private: singleman() { cout << "jkd" << endl; } singl.

2020-06-29 17:40:13 128

原创 php插入排序

<?php$arr=[5,4,22,7,9,1,3];$len=count($arr);for($i=1;$i<$len;$i++){ $temp = $arr[$i]; for($j=$i-1;$j>=0;$j--) { //if($arr[$j]>$arr[$j+1]) if($temp<$arr[$j]) { $arr[$j+1] = $arr[$j]; $arr[$j]=$temp; } else{ br.

2020-06-11 18:07:42 145

原创 php二叉树层序遍历带层数和不带层数需要用到队列

tree1.php<?phprequire_once "./duilie.php";class BinNode{ public $ch; public $lchild; public $rchild; public function __construct($data){ $this->ch=$data; $this->lchild=null; $this->rchild=null; } }//封装自己数据类型class mydata{ p

2020-06-11 17:28:38 350

原创 php二叉树基本遍历和非递归遍历

tree.php<?phprequire_once "./zhan.php";class BinNode{ public $ch; public $lchild; public $rchild; public function __construct($data){ $this->ch=$data; $this->lchild=null; $this->rchild=null; } }//封装自己数据类型class mydata{ publ

2020-06-11 15:10:40 333

原创插入排序

#define _CRT_SECURE_NO_WARNGINGS#include<stdio.h>#include<stdlib.h>#include<string.h>void pirntArray(int arr[], int len){ for (int i = 0; i < len; i++) { printf("%d ", arr[i]); } printf("\n");}//无序序列的左侧是有序序列void char.

2020-06-09 18:03:05 125

原创二叉树层级打印（分层次和不分层次）

需要用到队列queue.h#pragma once#include <stdio.h>#include <stdlib.h>#include <string.h>#ifdef __cplusplusextern "C"{#endif struct queuenode { struct queuenode *next; }; struct lqueue { struct queuenode header;//头结点 in...

2020-06-09 13:36:03 410

原创二叉树完整操作

linkstack.h#pragma once#include<stdio.h>#include<string.h>#include<stdlib.h>#ifdef __cplusplusextern "C"{#endif struct stacknode{ struct stacknode *next; }; struct lstack{ struct stacknode header; int size; }; typed

2020-06-08 19:55:20 182

原创二叉树的基本遍历

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<string.h>#include<stdlib.h>struct BinNode{ char ch; struct BinNode *lchlid; struct BinNode *rchlid;};//先序遍历根左右void xianxubianli(struct BinNode *root){ if (NULL == .

2020-06-07 11:22:12 257

原创 php实现队列

<?phpclass linknode{ public $data; public $next; public function __construct($data) { $this->data=$data; $this->next=null; }}class linklist{ public $linknode; public $rear; public $size; }class lianbiao{.

2020-06-06 12:24:51 108

原创队列的实现

queue.h#pragma once#include <stdio.h>#include <stdlib.h>#include <string.h>#ifdef __cplusplusextern "C"{#endif struct queuenode { struct queuenode *next; }; struct lqueue { struct queuenode header;//头结点 int size; s

2020-06-05 10:29:54 103

原创 php版本栈的应用中缀表达式求值

zhan.php<?php//链表listclass linklist{ public $linknode; public $size;}//链表节点class linknode { public $data; public $next; public function __construct($data) { $this->data=$data; $this->next=null; }}//栈的类class

2020-06-01 18:57:15 155

原创 php实现链表栈

<?php//链表listclass linklist{ public $linknode; public $size;}//链表节点class linknode { public $data; public $next; public function __construct($data) { $this->data=$data; $this->next=null; }}//栈的类class my_stack.

2020-05-31 11:37:13 132

原创单链表

linklist.h#pragma once#include<stdio.h>#include<string.h>#include<stdlib.h>#ifdef __cplusplusextern "C"{#endif typedef void * lianbiao; typedef void(*Foreach)(void *); typedef int(*compare)(void *, void *); //初始化链表 lianb

2020-05-25 14:18:56 111

原创选择排序

int arr[] = { 2, 4, 7, 1, 9, 8 }; for (int i = 0; i < sizeof(arr) / sizeof(arr[0]); i++) { int min = i; for (int j = i + 1; j < sizeof(arr) / sizeof(arr[0]); j++) { if (arr[j] < a...

2020-05-07 17:44:11 152

原创链表复习

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>//链表的结点类型定义struct LinkNode{ int data; struct LinkNode *next;}...

2020-05-06 09:43:09 176 1

原创指针复习

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>char *my_strs(const char *str, const char *substr){ const char *...

2020-04-21 14:18:16 127

原创 java 斗地主案例

package zyr.doudizhu;/** 54张牌 3个玩家没人17张牌最后3张留作底牌* 1准备牌* 2洗牌* 3发牌* 4看牌* */import java.util.ArrayList;import java.util.Collection;import java.util.Collections;public class Doudizhu {...

2020-04-14 17:31:07 1387

原创 c语言结构体复习

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>struct students{ char name[21]; unsigned int age; char tel[16];...

2020-04-06 17:48:34 288

原创字符串排序

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>void paixu(char **arr,int len){ for (int i = 0; i < len - 1; ...

2020-03-25 18:44:32 183

原创 stract的实现

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>char *my_stract(char *arr, char *s1){ char *sb = arr; while ...

2020-03-25 14:33:56 1719

原创 strstr的实现

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>char *my_strstr(char *dest, char *src){ int i = 0; int j = 0;...

2020-03-24 17:20:40 136

原创 C语言去除字符串空格

void quchukongge(char p[]){ char *q; while (*p != '\0'){ if (*p == ' '){ q = p + 1; while (*q != '\0') { if (*q != ' ') { //空格和非空格调换位置避免数据重复 *p = *q; *q = ' ...

2020-03-23 17:26:23 762 1

原创指针冒泡排序从小到大

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>void kedou(int arr[], int len){ for (int i = 0; i < len - 1;...

2020-03-20 17:02:19 521

原创记录一次和朋友聊天遇到的面试题 ip地址字符串和long类型的相互转换都是参考了别人的代码加了一些个人理解的总结

package zyr.demo02;import java.util.*;/** * ip地址和long的相互转换 */public class Test{ /*ip->long： *1.将ip地址按字符串读入，用分隔符分割开后成为一个字符串数组{xyzo}。 * 2.将数组里的字符串强转为long类型后执行：x^24+y^16+z^8+o 得...

2020-03-17 18:42:26 146

原创 c语言合并2个字符串

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>int main(void){ char a[] = "jian"; char b[] = "kedou"; int le...

2020-03-12 15:32:33 3735

原创随机生成指定个数学生的语文数学外语成绩并求平均值

#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>int main(void){ srand((unsigned int)time(NULL)); //int num = ra...

2020-03-12 13:21:13 1289

原创冒泡排序从小到大

#include<stdio.h>#include<stdlib.h>#include<string.h>#include<time.h>int main(void){ srand((unsigned int)time(NULL)); printf("请输入生成的数组个数\n"); int count; scanf("%d"...

2020-03-11 13:41:56 205

原创输出正反等腰三角形（菱形）

#include<stdio.h>#include<stdlib.h>int main(void){ int i,j,k,num; printf("请输入要出现猩猩的行数输出正反三角形:"); scanf("%d",&num); for (i=1;i<=num;i++) ...

2020-03-10 16:55:52 301

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