vs、xcode、
c
// 静态分配的按位查找
#define MaxSize 10typedef struct {ElemType data[MaxSize]; int length;
}SqList;ElemType GetElem(SqList L, int i) {return L.data[i-1];
}
///////
bool InsertNextDNode(DNode *p, DNode *s){ if(p==NULL || s==NULL) return false; s->next = p->next; // 判断结点p之后是否有后继结点 if (p->next != NULL) p->next->prior = s; s->prior = p; p->next = s; return true;
}
int main(){};
double dry();
python
# 小练习
'''
函数1
'''
for x in range (1,11):print("今天是表白第%s天"%x)for j in range(1, 6):print("今天是第%s朵玫瑰花" %j)print("喜欢你")
print(f"第{ x}天表白成功")
# 九九乘法表
for i in range (1,10):for j in range (1,i+1):print(f"{ j}*{ i}={ i*j}\t",end='')print()
"""
演示面向对象:继承的基础语法
"""
#演示单继承
class Phone:IMEI = None #序列号producer = "iphone"def call_by_4g(self):print("4g通话")
class Phone2023(Phone):faceId ="1000" #面部识别iddef call_by_5g(self):print("5g通话")
phone = Phone2023()
phone.call_by_4g()
print(phone.producer)
#演示多继承
class NFCReader:nfc_type = "第五代"producer = "iphone"def read_card(self):print("NFC读卡")def write_card(self):print("NFC写卡")
class RemoteControl:rc_type = "红外遥控器"def control(self):print("红外遥控开启了")class Myphone(Phone,NFCReader,RemoteControl):pass
print("++++++++++++++")
my_phone = Myphone()
my_phone.call_by_4g()
my_phone.read_card()
my_phone.write_card()
my_phone.control()
java
public interface BookDao {public void save();
}public class BookDaoImpl implements BookDao {private String name;public void setName(String name) {this.name = name;}public void save() {System.out.println("book dao save ..." + name);}
}
package com.itheima.web;import com.fasterxml.jackson.databind.ObjectMapper;
import com.itheima.pojo.PageBean;
import com.itheima.service.EmpService;
import com.itheima.service.EmpServiceImpl;import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;@WebServlet(urlPatterns = "/pageBeanQuery")
public class PageBeanQueryServlet extends HttpServlet {protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {/*1.接收当前页参数, 每页显示的条数rows 写死为5条;2.创建Service对象3.调用Service的查询方法 (参数1:当前页 , 参数2:每页显示行数); ====> 得到一个已经封装好的PageBean4.把PageBean对象转成json5.把转换后对象返回给回调函数.*///1.接收当前页参数, 每页显示的条数rows 写死为5条;String currentPageStr = request.getParameter("currentPage");if(currentPageStr==null || "".equals(currentPageStr.trim())){currentPageStr="1";}long currentPage = Long.parseLong(currentPageStr);//2.创建Service对象EmpService service = new EmpServiceImpl();//3.调用Service的查询方法 (参数1:当前页 , 参数2:每页显示行数); ====> 得到一个已经封装好的PageBeanPageBean pageBean = service.findPageBean(currentPage,5);//4.把PageBean对象转成jsonString json = new ObjectMapper().writeValueAsString(pageBean);//5.把转换后对象返回给回调函数.response.getWriter().print(json);}protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {doGet(request, response);}
}
html
<body><div id="root"><hello></hello><hr><h1>{{msg}}</h1><hr><!-- 第三步：编写组件标签 --><school></school><hr><!-- 第三步：编写组件标签 --><student></student></div><div id="root2"><hello></hello></div>
</body><script type="text/javascript">Vue.config.productionTip = false//第一步：创建school组件const school = Vue.extend({template:`<div class="demo"><h2>学校名称：{{schoolName}}</h2><h2>学校地址：{{address}}</h2><button @click="showName">点我提示学校名</button></div>`,// el:'#root', //组件定义时，一定不要写el配置项，因为最终所有的组件都要被一个vm管理，由vm决定服务于哪个容器。data(){return {schoolName:'江南大学',address:'无锡'}},methods: {showName(){alert(this.schoolName)}},})//第一步：创建student组件//第二步：全局注册组件Vue.component('hello',hello)//创建vmnew Vue({el:'#root',data:{msg:'你好啊！'},//第二步：注册组件（局部注册）components:{school,//可以写为school：school——key~value形式student}})new Vue({el:'#root2',})
</script>
<script setup>
import LayoutHeaderUl from './LayoutHeaderUl.vue'
// vueUse
import { useScroll } from '@vueuse/core'
const { y } = useScroll(window)</script><template><div class="app-header-sticky" :class="{ show: y > 78 }"><div class="container"><RouterLink class="logo" to="/" /><!-- 导航区域 --><LayoutHeaderUl /><div class="right"><RouterLink to="/">品牌</RouterLink><RouterLink to="/">专题</RouterLink></div></div></div>
</template><style scoped lang='scss'>
.app-header-sticky {width: 100%;height: 80px;position: fixed;left: 0;top: 0;z-index: 999;background-color: #fff;border-bottom: 1px solid #e4e4e4;// 此处为关键样式!!!// 状态一：往上平移自身高度 + 完全透明transform: translateY(-100%);opacity: 0;// 状态二：移除平移 + 完全不透明&.show {transition: all 0.3s linear;transform: none;opacity: 1;}.container {display: flex;align-items: center;}.logo {width: 200px;height: 80px;background: url("@/assets/images/logo.png") no-repeat right 2px;background-size: 160px auto;}.right {width: 220px;display: flex;text-align: center;padding-left: 40px;border-left: 2px solid $xtxColor;a {width: 38px;margin-right: 40px;font-size: 16px;line-height: 1;&:hover {color: $xtxColor;}}}
}
</style>
css
/* 公开领域 */.PublicDomain {text-align: center;margin-top: 40px;background-color: #FFF6EF;}/* 头部css */.trends .swiper_list li a{text-decoration: none;font-size: 18px;line-height: 45px;color: #050505;}.trends .swiper_list li a:hover{color: red;}.navigation a:hover{color: red;}*{margin: 0;padding: 0;}.top{height: 400px;width: 100%;background: url({HOME_THEME_PATH}/images/wyjcdt_bj.jpg) no-repeat top center;background-size: cover;padding-top: 50px;}.wanyuan_logo{width: 350px;height: 100px;background-color: #eab2a5;border-radius: 16px;margin-left: 150px;position: absolute;left: 25px;top: 10px;}/* 列表通用样式 */
js
<script>// 1. tab栏切换 事件委托const tab_nav = document.querySelector('.tab-nav')const pane = document.querySelectorAll('.tab-pane')// 1.1 事件监听tab_nav.addEventListener('click', function (e) {if (e.target.tagName === 'A') {// 取消上一个activetab_nav.querySelector('.active').classList.remove('active')// 当前元素添加activee.target.classList.add('active')// 先干掉所有人 for循环for (let i = 0; i < pane.length; i++) {pane[i].style.display = 'none'}// 让对应序号的 pane 显示pane[e.target.dataset.id].style.display = 'block'}})// 点击提交模块const form = document.querySelector('form')const agree = document.querySelector('[name=agree]')const username = document.querySelector('[name=username]')form.addEventListener('submit', function (e) {e.preventDefault()// 判断是否勾选同意协议if (!agree.checked) {return alert('请勾选同意按钮')}// 记录用户名到本地存储localStorage.setItem('xtx-uname', username.value)// 跳转到首页location.href = './小兔鲜index.html'})</script>javascript运行
xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd"><!--管理DruidDataSource对象--><bean class="com.alibaba.druid.pool.DruidDataSource"><property name="driverClassName" value="com.mysql.jdbc.Driver"/><property name="url" value="jdbc:mysql://localhost:3306/spring_db"/><property name="username" value="root"/><property name="password" value="root"/></bean>
</beans>
<dependencies><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>5.2.10.RELEASE</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.1.16</version></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.5.6</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.47</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.1.16</version></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.5.6</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.47</version></dependency>
</dependencies>
sql
select * from dr_2_news_data_5 where content like '%10.14.218%'select * from dr_48_xxgk dx where id=49852;
select * from dr_48_xxgk_data_0 where id = 49852;select * from dr_site;select * from dr_2_xxgk dx select * from dr_2_news dn left join dr_2_news_data_1 dnd on dn.id=dnd.id;select * from dr_2_news_category dnc where id=699select * from dr_2_tongji_data_0 dtd select * from dr_2_field df select * from dr_2_attachment da select * from dr_admin da select * from dr_member dm select * from dr_2_form_yjzj dfy
因为代码块的主题为nnfx，思源笔记字体为Microsoft Tai Le，
if (a!=B){}