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redistemplate 不能自增得到值

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1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

Caused by: org.springframework.core.serializer.support.SerializationFailedException: Failed to deserialize payload. Is the byte array a result of corresponding serialization for DefaultDeserializer?; nested exception is java.io.EOFException
	at org.springframework.core.serializer.support.DeserializingConverter.convert(DeserializingConverter.java:78)
	at org.springframework.core.serializer.support.DeserializingConverter.convert(DeserializingConverter.java:36)
	at org.springframework.data.redis.serializer.JdkSerializationRedisSerializer.deserialize(JdkSerializationRedisSerializer.java:79)
	... 35 more
Caused by: java.io.EOFException

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参数校验报错

0

1

复盘踩坑

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

//一个实现了验证接口的类
public class UserValidator implements Validator {
    //指定验证的实体类
    @Override
    public boolean supports(Class<?> clazz) {
        System.out.println("开始验证");
        return User.class.equals(clazz);
    }

    //具体的验证逻辑
    @Override
    public void validate(Object target, Errors errors) {
        ValidationUtils.rejectIfEmpty(errors,"name",
                "Name.is.empty","用户名不能为空");
        User user=(User) target;
        if(null==user.getQq()||"".equals(user.getQq())){
            errors.rejectValue("qq","qq.is.empty",
                    "qq不能为空");
        }
    }
}


    //查询全表:User GET
    @RequestMapping(value = "/UserList", method = RequestMethod.GET)
    //通过获得请求设置初始页
    public ModelAndView queryAll(HttpServletRequest request) {
        ModelAndView modelAndView = new ModelAndView();
        //通过request获得当前页面
        int pageNum=Integer.valueOf(request.getParameter("pageNum"));
        //设置每页记录数
        int pageSize=5;
        //调用分页方法获得当前页面的记录
        PageBean pageBean=userService.findAllUserWithPage(pageNum,pageSize);
        //通过modelAndView来封装数据
        modelAndView.addObject("list", pageBean);
        modelAndView.setViewName("User");
        return modelAndView;
    }

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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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使用put请求返回json字符串的时候出现中文乱码

1

1

复盘踩坑

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

代码生成的过程中出现,Zip File is closed错误

0

1

代码生成

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

代码本身没错，但是插入数据库报错

1

1

复盘踩坑

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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使用shiro自定义Realm报错

0

1

shiro

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

Ribbon可以消费client,可是Feign不能消费client

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

eureka:
  client:
    serviceUrl:
      defaultZone: http://localhost:1111/eureka/
server:
  port: 9001
spring:
  application:
    name: service-feign


package cn.zzh.feign;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.openfeign.EnableFeignClients;

/**
 * @author a1
 */
@SpringBootApplication
@EnableEurekaClient
@EnableDiscoveryClient
@EnableFeignClients
public class FeignApplication {

    public static void main(String[] args) {
        SpringApplication.run(FeignApplication.class, args);
    }
}


package cn.zzh.feign.Dao;

import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

/**
 * @author a1
 */
@FeignClient(value = "hello-service")
public interface ScheduleServiceHi {
    @RequestMapping(value = "/hello",method = RequestMethod.GET)
    String sayHiFromClientOne(@RequestParam(value = "name") String name);
}




package cn.zzh.feign.Controller;

import cn.zzh.feign.Dao.ScheduleServiceHi;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;

@RestController
public class HiController {



    @Autowired
    private ScheduleServiceHi scheduleServiceHi;

    @GetMapping(value = "/hi")
    public String sayHi(@RequestParam String name) {
        return scheduleServiceHi.sayHiFromClientOne( name );
    }
}

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復盤項目中微信接口如何正確調用到自己的項目頁面

1

1

第三方接口调用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

controller return处出现空指针。

1

1

复盘踩坑

class="cursor-pointer"> 详细描述

去第页

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