spring4+hibernate4+struts2环境搭建
tomact配置请查看下面的文章
javaEE_maven_struts2_tomcat_first
http://www.cnblogs.com/luotuoke/p/4543686.html
pom.xml
<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.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>signng</groupId>
<artifactId>signn</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>signn Maven Webapp</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>3.0-alpha-1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- struts2 -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>2.3.24</version>
</dependency>
<!-- spring4 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.1.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.1.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.1.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>4.1.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.1.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>4.1.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>4.1.5.RELEASE</version>
</dependency>
<!-- hibernate4 -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.3.10.Final</version>
</dependency>
<dependency>
<groupId>antlr</groupId>
<artifactId>antlr</artifactId>
<version>2.7.5</version>
</dependency>
<!-- mysql驱动包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.35</version>
</dependency>
<!-- 数据连接池 -->
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib-nodep</artifactId>
<version>2.1_3</version>
</dependency>
<dependency>
<groupId>commons-pool</groupId>
<artifactId>commons-pool</artifactId>
<version>1.2</version>
<exclusions>
<exclusion>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
</exclusion>
<exclusion>
<groupId>xerces</groupId>
<artifactId>xerces</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- spring的aop jar -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.5</version>
</dependency>
</dependencies>
<build>
<finalName>signn</finalName>
<plugins>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat6-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<url>http://localhost/manager</url>
<path>/sign</path>
<port>8010</port>
<warSourceDirectory>${basedir}/src/main/webapp</warSourceDirectory>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.6</version>
<configuration>
<warSourceDirectory>src\main\webapp</warSourceDirectory>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.5.1</version>
<configuration>
<source>7</source>
<target>7</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-clean-plugin</artifactId>
<version>2.4.2</version>
<configuration>
<filesets>
<fileset>
<directory>target</directory>
<includes>
<include>signn</include>
</includes>
</fileset>
</filesets>
</configuration>
</plugin>
</plugins>
</build>
</project>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd "
version="2.5">
<display-name>sign</display-name>
<!-- 引入spring配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring.xml</param-value>
</context-param>
<!-- 编码过滤 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<!-- 压缩 -->
<!-- <filter>
<filter-name>compressingFilter</filter-name>
<filter-class>com.planetj.servlet.filter.compression.CompressingFilter</filter-class>
</filter> -->
<listener>
<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener><!-- 释放与掉这个web 应用 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener><!-- 启动Web容器时，自动装配ApplicationContext的配置信息 -->
<!-- struts2 -->
<filter>
<filter-name>struts</filter-name>
<filter-class>
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>
<init-param>
<param-name>struts.i18n.encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>struts</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<error-page>
<error-code>404</error-code>
<location>/common/404.html</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/common/500.html</location>
</error-page>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
spring.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" xmlns:jaxws="http://cxf.apache.org/jaxws"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
<import resource="spring/spring-annotation.xml"/>
<import resource="spring/spring-hibernate.xml"/>
<import resource="spring/spring-resources.xml"/>
</beans>
spring-annotation.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"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd"
default-autowire="byName">
<context:component-scan base-package="com.sign">
<context:include-filter type="annotation"
expression="org.springframework.stereotype.Repository"/>
</context:component-scan>
<context:component-scan base-package="com.sign">
<context:include-filter type="annotation"
expression="org.springframework.stereotype.Service"/>
</context:component-scan>
<context:component-scan base-package="com.sign">
<context:include-filter type="annotation"
expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
</beans>
spring-hibernate.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" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
">
<!-- 配置数据源 -->
<bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
<property name="driverClass" value="${database.driverClass}" />
<property name="jdbcUrl" value="${database.jdbcUrl}" />
<property name="user" value="${database.user}" />
<property name="password" value="${database.password}" />
<property name="initialPoolSize" value="${database.initialPoolSize}" />
<property name="maxPoolSize" value="${database.maxPoolSize}" />
<property name="minPoolSize" value="${database.minPoolSize}" />
<property name="acquireIncrement" value="${database.acquireIncrement}" />
<property name="maxIdleTime" value="${database.maxIdleTime}" />
<property name="maxConnectionAge" value="${database.maxConnectionAge}" />
<property name="maxIdleTimeExcessConnections" value="${database.maxIdleTimeExcessConnections}" />
<property name="preferredTestQuery" value="${database.preferredTestQuery}" />
<property name="testConnectionOnCheckout" value="${database.testConnectionOnCheckout}" />
<property name="idleConnectionTestPeriod" value="${database.idleConnectionTestPeriod}" />
<property name="numHelperThreads" value="${database.numHelperThreads}" />
</bean>
<!-- 配置hibernate session工厂 -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="hibernateProperties">
<props>
<!-- web项目启动时是否更新表结构 -->
<!-- <prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop> -->
<!-- 系统使用的数据库方言，也就是使用的数据库类型 -->
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<!-- 是否打印Hibernate生成的SQL到控制台 -->
<prop key="hibernate.show_sql">${hibernate.show.sql}</prop>
<!-- 是否格式化打印出来的SQL -->
<prop key="hibernate.format_sql">${hibernate.format.sql}</prop>
</props>
</property>
<!-- 自动扫描注解方式配置的hibernate类文件 -->
<property name="packagesToScan">
<list>
<value>com.sign.user.model</value>
</list>
</property>
<!-- 自动扫描hbm方式配置的hibernate文件和.hbm文件 -->
<!--
<property name="mappingDirectoryLocations">
<list>
<value>classpath:me/gacl/model/hbm</value>
</list>
</property>
-->
</bean>
<!-- 配置事务管理器 -->
<bean name="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<!-- 注解方式配置事物 -->
<!-- <tx:annotation-driven transaction-manager="transactionManager" /> -->
<!-- 拦截器方式配置事物 -->
<tx:advice id="transactionAdvice" transaction-manager="transactionManager">
<tx:attributes>
<!-- 以如下关键字开头的方法使用事物 -->
<tx:method name="add*" />
<tx:method name="save*" />
<tx:method name="update*" />
<tx:method name="modify*" />
<tx:method name="edit*" />
<tx:method name="delete*" />
<tx:method name="remove*" />
<tx:method name="repair" />
<tx:method name="deleteAndRepair" />
<!-- 以如下关键字开头的方法不使用事物 -->
<tx:method name="get*" propagation="SUPPORTS" />
<tx:method name="find*" propagation="SUPPORTS" />
<tx:method name="load*" propagation="SUPPORTS" />
<tx:method name="search*" propagation="SUPPORTS" />
<tx:method name="datagrid*" propagation="SUPPORTS" />
<!-- 其他方法不使用事物 -->
<tx:method name="*" propagation="SUPPORTS" />
</tx:attributes>
</tx:advice>
<!-- 切面，将事物用在哪些对象上 -->
<aop:config>
<aop:pointcut id="transactionPointcut" expression="execution(* com.sign.user.service.*.*(..))" />
<aop:advisor pointcut-ref="transactionPointcut" advice-ref="transactionAdvice" />
</aop:config>
</beans>
spring-resource.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" xmlns:util="http://www.springframework.org/schema/util"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
<bean id="appMessageResource"
class="org.springframework.context.support.PropertySourcesPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:properties/jdbc.properties</value>
</list>
</property>
</bean>
</beans>
jdbc.properties
#hibernate configuration hibernate.cache.provider=org.hibernate.cache.EhCacheProvider hibernate.cache.query.isSupport=false hibernate.dialect=org.hibernate.dialect.MySQLDialect hibernate.show.sql=true hibernate.format.sql=true validationQuery=SELECT 1 database.user=root database.password=root database.driverClass=com.mysql.jdbc.Driver database.jdbcUrl=jdbc:mysql://localhost:3306/sign?useUnicode=true&characterEncoding=UTF-8 database.initialPoolSize=3 database.minPoolSize=3 database.maxPoolSize=60 database.acquireIncrement=3 database.maxIdleTime=3600 database.maxConnectionAge=14400 database.maxIdleTimeExcessConnections=3600 database.preferredTestQuery=select 1 database.testConnectionOnCheckout=false database.idleConnectionTestPeriod=60 database.numHelperThreads=4
struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.i18n.encodeing" value="GBK"/>
<constant name="struts.multipart.maxSize" value="52428800" />
<include file="struts/struts-user.xml"/>
</struts>
struts-user.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.i18n.encodeing" value="GBK"/>
<constant name="struts.multipart.maxSize" value="52428800" />
<package name="user" namespace="/" extends="struts-default">
<action name="user" class="com.sign.action.UserAction" method="toUser">
<result name="SUCCESS">/view/user.jsp</result>
</action>
</package>
</struts>
User.java
/**
*
*/
package com.sign.user.model;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
/**
* @author Administrator
* create on 2015年5月30日
*
*/
@Entity
@Table(name="s_user")
public class User implements Serializable{
@Id
private Long id;
@Column(name ="user_name",nullable=true)
private String userName;
@Column(name ="user_mobile",nullable=true)
private String userMobile;
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getUserMobile() {
return userMobile;
}
public void setUserMobile(String userMobile) {
this.userMobile = userMobile;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
}
UserManager.java
package com.sign.user.service;
import com.sign.user.model.User;
/**
* @author Administrator
* create on 2015年5月30日
*
*/
public interface UserManager {
public User getUserByUserName(String userName);
public void save(User user);
}
UserManagerImpl.java
package com.sign.user.service.impl;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.sign.user.model.User;
import com.sign.user.service.UserManager;
/**
* @author Administrator
* create on 2015年5月30日
*
*/
@Service("userManager")
public class UserManagerImpl implements UserManager {
@Autowired
private SessionFactory sessionFactory;
@Override
public User getUserByUserName(String userName) {
System.out.println("hello world");
return null;
}
@Override
public void save(User user) {
sessionFactory.getCurrentSession().save(user);
}
}
UserAction.java
package com.sign.action;
/**
* @author Administrator
* create on 2015年5月30日
*
*/
public class UserAction {
public String toUser(){
return "SUCCESS";
}
}
SpringTest.java
/**
*
*/
package test;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.sign.user.service.UserManager;
import com.sign.user.service.impl.UserManagerImpl;
/**
* @author Administrator
* create on 2015年6月1日
*
*/
public class SpringTest {
@Test
public void test(){
//通过spring.xml配置文件创建Spring的应用程序上下文环境
ApplicationContext ac = new ClassPathXmlApplicationContext("classpath:spring.xml");
//从Spring的IOC容器中获取bean对象
UserManager userManager = (UserManager) ac.getBean("userManager");
//执行测试方法
userManager.getUserByUserName("hahah");
}
}
HibernateTest.java
package test;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.sign.user.model.User;
import com.sign.user.service.UserManager;
import com.sign.user.service.impl.UserManagerImpl;
/**
* @author Administrator
* create on 2015年6月2日
*
*/
public class HibernateTest {
/**
* 这个before方法在所有的测试方法之前执行，并且只执行一次
* 所有做Junit单元测试时一些初始化工作可以在这个方法里面进行
* 比如在before方法里面初始化ApplicationContext和userService
*/
@Before
public void before(){
}
@Test
public void testSaveMethod(){
ApplicationContext ac = new ClassPathXmlApplicationContext("classpath:spring.xml");
UserManager userManager = (UserManager) ac.getBean("userManager");
User user = new User();
user.setId(Long.valueOf("1111"));
user.setUserName("dddsedsds");
user.setUserMobile("123333");
userManager.save(user);
}
}
整体结构
spring测试结果：
hibernate测试结果
---------------
当在sturts.xml中配置了
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<!-- 不允许使用action通配符如<action name="login_*" method="{1}" -->
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<!-- 你可以引用对象池中的对象，借助Spring中的对象池 -->
<constant name="struts.objectFactory" value="spring" />
<!-- struts.objectFactory.spring.autoWire是用spring插件通过覆盖(override)Struts2的ObjectFactory来增强核心框架对象的创建。当创建一个对象的时候，它会用Struts2配置文件中的class属性去和Spring配置文件中的id属性进行关联，如果能找到则由Spring创建，否则由Struts2框架自身创建，然后由Spring来装配。 -->
<constant name="struts.objectFactory.spring.autoWire" value="name" />
<!-- 开启使用开发模式，详细错误提示 -->
<constant name="struts.devMode" value="true"/>
<!-- 指定每次请求到达，重新加载资源文件 -->
<!-- <constant name="struts.i18n.reload" value="true"/>-->
<!-- 指定每次配置文件更改后，自动重新加载 -->
<!-- <constant name="struts.configuration.xml.reload" value="true"/>-->
<!-- 指定XSLT Result使用样式表缓存 -->
<!-- <constant name="struts.xslt.nocache" value="true"/>-->
<constant name="struts.i18n.encodeing" value="GBK"/>
<constant name="struts.multipart.maxSize" value="52428800" />
<include file="struts/struts-user.xml"/>
</struts>
得在pom.xml
<!-- struts2-spring -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-spring-plugin</artifactId>
<version>2.3.16.3</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
spring4+hibernate4+struts2环境搭建的更多相关文章
- spring4+hibernate4+maven环境搭建
本文主要介绍利用maven搭建spring4+hibernate4开发环境. 首先我们创建一个maven项目,具体步骤就不详细介绍了,看看我们pom.xml文件 <project xmlns=& ...
- Maven+struts2+spring4+hibernate4的环境搭建
搭建Maven+struts2+spring4+hibernate4其实并不难!但开始弄的时候还是费了我好大的力气,老是出现这样那样的错误!好了,废话不多说,开始搭建开发环境. 一.Myeclipse ...
- 最新版ssh hibernate spring struts2环境搭建
最新版ssh hibernate spring struts2环境搭建 最新版spring Framework下载地址:spring4.0.0RELEASE环境搭建 http://repo.sprin ...
- 第3章 Struts2框架--1、Struts2环境搭建
第3章 Struts2框架--1.Struts2环境搭建 搭建步骤: 1.从下载http://struts.apache.org 没找到Struts2.3.16版,就下载了2.3.29 2.拷贝后解压 ...
- 【转】SpringMVC+Spring3+Hibernate4开发环境搭建
原文地址: SpringMVC+Spring3+Hibernate4开发环境搭建
- 【SSH】 之 Struts2环境搭建及简单应用开发
在上一篇文章中,我们一起了解了一下struts2的工作机制原理,接下来让我们进行一下简单应用的开发 (一)配置环境 1.建立web项目 2.导入jar包 其中struts2中有很多jar包,我们不需要 ...
- struts2环境搭建和第一个程序
环境搭建 项目目录 导入依赖jar包,如上图lib目录所示. 不同的版本可能会不一样,没关系在tomcat启动时,如果报错java.lang.ClassNotFoundException,我们可以按照 ...
- Struts2环境搭建及实例解析
与struts1框架的使用一样,struts2的环境搭建及使用同样分为以下几个步骤: 1. 引入jar包(这里以struts2.2.3为例),所需jar包有以下几个: a) s ...
- SpringMVC+Spring3+hibernate4 开发环境搭建以及一个开发实例教程
刚刚接触了SpringMVC这个框架,因此有必要把它拿过来同hibernate.Spring框架进行集成和开发一个实例,在真正企业从头开发的项目中往往一个稳定的开发环境至关重要,开发一个项目选择什么样 ...
随机推荐
- [Usaco2004 Open]Cube Stacking 方块游戏
题面: 约翰和贝茜在玩一个方块游戏．编号为1到n的n(1≤n≤30000)个方块正放在地上．每个构成一个立方柱． 游戏开始后,约翰会给贝茜发出P(1≤P≤100000)个指令．指令有两种 ...
- python的多版本安装以及常见错误（长期更新）
(此文长期更新)Python安装常见错误汇总 注:本教程以python3.6为基准 既然是总结安装过程中遇到的错误,就顺便记录一下我的安装过程好了. 先来列举一下安装python3.6过程中可能需要的 ...
- VC2010常见问题的解决方案
vc++里面的obj文件是什么文件Project(项目)中每个cpp经编译成为obj(object)目标文件,所有obj文件和资源文件经链接(link)成为可执行文件,obj文件可称为目标文件或中间文 ...
- PHP学习总结（13）——PHP入门篇之常量
1.什么是常量 什么是常量?常量可以理解为值不变的量(如圆周率):或者是常量值被定义后,在脚本的其他任何地方都不可以被改变.PHP中的常量分为自定义常量和系统常量(后续小节会详细介绍). 自定义常量是 ...
- Selenium调用JavaScript修改元素属性
修改元素的style,主要是将一些隐性元素显示出来,让元素可被操作: JavascriptExecutor js = (JavascriptExecutor)driver; js.executeSc ...
- jsonp 后台返回注意事项
前端代码 <script src="http://apps.bdimg.com/libs/jquery/1.9.1/jquery.min.js"></script ...
- elasticsearch6.4中文文档
男朋友翻译的,我这边做一个查看入口,分享给大家,O(∩_∩)O哈哈~ 版权声明:本文为博主原创文章,无需授权即可转载,甚至无需保留以上版权声明,转载时请务必注明作者. https://blog.csd ...
- 基于ffmpeg和libvlc的视频剪辑、播放器
以前研究的时候,写过一个简单的基于VLC的视频播放器.后来因为各种项目,有时为了方便测试,等各种原因,陆续加了一些功能,现在集成了视频播放.视频加减速.视频剪切,视频合并(增加中)等功能在一起.有时候 ...
- Linux 3.14 待机流程分析
1:待机节点创建 static int __init pm_init(void) { int error = pm_start_workqueue(); if (error) return error ...
- 判断是否是pc，获取屏幕宽度
$(function(){ var w=document.documentElement?document.documentElement.clientWidth:document.body.clie ...