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redis缓存spring-data的使用

1

1

redis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

@Autowired
	RedisTemplate redisTemplate;
	@Override
	public Integer queryWork(Integer isWork) throws Exception {
		//redis jar包自动装载方式
		ValueOperations<String, String> stringOperations = redisTemplate.opsForValue();
		String isWorks = stringOperations.get(String.valueOf(isWork));
		if (isWorks!=null){
			return Integer.parseInt(isWorks);
		}
		Integer isWork1 = dao.queryWork(isWork);
		stringOperations.setIfAbsent(String.valueOf(isWork), String.valueOf(isWork1));
		return isWork1;
	}
	@Override
	public List<Student> queryGood(Integer isGood) throws Exception {
		ListOperations<String, Object> listOperations = redisTemplate.opsForList();
		List<Student> student1 = (List<Student>) listOperations.leftPop(String.valueOf(isGood));
		logger.info("Redis中取到的结果为："+student1.toString());
		if (student1!=null){
			return student1;
		}
		List<Student> student = dao.queryGood(isGood);
		listOperations.leftPush(String.valueOf(isGood), student);
		return student;
		/*return dao.queryGood(isGood);*/
	}
	@Override
	public Student findStudentId(Integer ID)throws Exception{
		ValueOperations<String, Object> valueOperations = redisTemplate.opsForValue();
		Student student1 = (Student) valueOperations.get(String.valueOf(ID));
		logger.info("Redis中取到的结果为："+student1.toString());
		if (student1.getID()!=null){
			logger.info("Redis中取出并返回页面的结果为："+student1.toString());
			return student1;
		}
		Student student = dao.findStudentId(ID);
		/*List<Student> students = new ArrayList<student>();*/
		valueOperations.set(String.valueOf(ID),student);
		Student student1s = (Student) valueOperations.get(String.valueOf(ID));
		logger.info("存入缓存的值为："+ student1s.toString());
		return student;
	}

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公司框架返回中文定制消息乱码

1

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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启动jmeter内存溢出

1

1

压测

class="cursor-pointer"> 详细描述

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导入Tiles框架的jar包出现冲突

2

1

tiles

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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关于JSP中引入静态文件的路径问题

1

1

JSP

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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本地web连接服务器RMI服务超时

2

1

springRMI

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

下面是RMI service服务端的配置<bean id="userService" class="com.service.impl.UserServiceImpl">
    </bean>

    <bean id="serviceExporter" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <!--服务-->
        <property name="service" ref="userService"/>
        <!--服务名-->
        <property name="serviceName" value="itIsATestService"/>
        <!--服务接口-->
        <property name="serviceInterface" value="com.service.UserService"/>
        <!--注册端口-->
        <property name="servicePort" value="8082"/>
    </bean>
客户端配置：
<bean id="myRmiService"
          class="org.springframework.remoting.rmi.RmiProxyFactoryBean">
        <property name="serviceUrl">
            <value>rmi://47.106.176.177:8082/itIsATestService</value>
        </property>
        <property name="serviceInterface">
            <value>com.service.UserService</value>
        </property>
    </bean>

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（filter status:REJECTED）发布到服务器提示过滤状态拒绝

2

1

tuscany

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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参数校验框架：配置MVC时参数错误

1

1

参数校验

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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Spring Security使用JPA连接数据库后无法正确读取到权限

1

1

springcloud

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

package com.forezp.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;

//启动Security
@EnableWebSecurity
//声明配置文件
@Configuration
/**
 * spring Security默认是禁用注解的，要想开启注解，
 * 需要在继承WebSecurityConfigurerAdapter的类上加@EnableGlobalMethodSecurity注解，
 * 来判断用户对某个控制层的方法是否具有访问权限
 */
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

	/**
	 * 自动注入用户信息接口
	 */
	@Autowired
	private UserDetailsService userDetailsService;
	/**
	 * @formatter:off
	 * 设置权限拦截规则
	 * @param http
	 * @throws Exception
	 */
	@Override
	protected void configure(HttpSecurity http) throws Exception {
		http
				//授权请求
				.authorizeRequests()
				//设置路径拦截规则,parmitAll():全部允许
				.antMatchers("/css/**", "/index").permitAll()
				//拥有USER属性才可通过,区分大小写
				.antMatchers("/user/**").hasAnyRole("ADMIN","USER")
				.antMatchers("/blogs/**").hasAnyRole("ADMIN","USER")
				.and()
				//设置默认表单跳转
				.formLogin()
				//设置登录页面
				.loginPage("/login")
				//设置登录失败页面
				.failureUrl("/login-error")
				.and()
				//设置异常处理页面
				.exceptionHandling().accessDeniedPage("/401");

		http
				//设置登出页面
				.logout()
				//设置注销成功页面
				.logoutSuccessUrl("/");
	}

	/**
	 *自动注入认证管理器
	 * 全局配置:通过认证管理生成器注入用户信息
	 */
	@Autowired
	public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
		//auth
		//	//在内存验证中设置用户
		//	.inMemoryAuthentication()
		//		//创建一个名字为forezp,密码为123456，角色为USER的用户
		//		.withUser("forezp").password("123456").roles("USER");
		//auth
		//		.inMemoryAuthentication()
		//		.withUser("test").password("123456").roles("ADMIN");
		auth.userDetailsService(userDetailsService);
	}
	// @formatter:on


//	@Bean
//	public UserDetailsService userDetailsService() {
//		InMemoryUserDetailsManager manager = new InMemoryUserDetailsManager(); // 在内存中存放用户信息
//		manager.createUser(User.withUsername("forezp").password("123456").roles("USER").build());
//		manager.createUser(User.withUsername("admin").password("123456").roles("USER","ADMIN").build());
//		return manager;
//	}
}

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idea配置tomcat后index.jsp页面运行失败

1

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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