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本节视频

概述

以下代码按照项目顺序新增或变更的类与配置文件，具体操作请参考视频；本集视频包含大量重构手法，喜欢的小伙伴千万不要错过。

myshop-commons

POM

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>com.funtl</groupId>
        <artifactId>myshop-dependencies</artifactId>
        <version>1.0.0-SNAPSHOT</version>
        <relativePath>../myshop-dependencies/pom.xml</relativePath>
    </parent>

    <artifactId>myshop-commons</artifactId>
    <packaging>jar</packaging>

    <name>myshop-commons</name>
    <url>http://www.funtl.com</url>
    <inceptionYear>2018-Now</inceptionYear>

    <dependencies>
        <!-- Spring Begin -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-core</artifactId>
            <scope>provided</scope>
        </dependency>
        <!-- Spring End -->

        <!-- Apache Begin -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
        </dependency>
        <!-- Apache End -->

        <!-- Commons Begin -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
        </dependency>
        <dependency>
            <groupId>com.github.ben-manes.caffeine</groupId>
            <artifactId>guava</artifactId>
        </dependency>
        <dependency>
            <groupId>org.hibernate.javax.persistence</groupId>
            <artifactId>hibernate-jpa-2.1-api</artifactId>
        </dependency>
        <!-- Commons End -->

        <!-- Projects Begin -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
        </dependency>
        <!-- Projects End -->
    </dependencies>
</project>

AbstractBaseDomain

package com.funtl.myshop.commons.dto;

import com.fasterxml.jackson.annotation.JsonFormat;
import lombok.Data;

import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import java.io.Serializable;
import java.util.Date;

/**
 * 通用的领域模型
 * <p>Title: AbstractBaseDomain</p>
 * <p>Description: </p>
 *
 * @author Lusifer
 * @version 1.0.0
 * @date 2019/1/23 15:50
 */
@Data
public abstract class AbstractBaseDomain implements Serializable {
    /**
     * 该注解需要保留，用于 tk.mybatis 回显 ID
     */
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    /**
     * 格式化日期，由于是北京时间（我们是在东八区），所以时区 +8
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
    private Date created;
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
    private Date updated;
}

AbstractBaseResult

package com.funtl.myshop.commons.dto;

import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.Data;

import java.io.Serializable;

/**
 * 通用的响应结果
 * <p>Title: AbstractBaseResult</p>
 * <p>Description: </p>
 *
 * @author Lusifer
 * @version 1.0.0
 * @date 2019/1/23 15:10
 */
@Data
public abstract class AbstractBaseResult implements Serializable {

    /**
     * 此为内部类
     */
    @Data
    @JsonInclude(JsonInclude.Include.NON_NULL)
    protected static class Links {
        private String self;
        private String next;
        private String last;
    }

    @Data
    @JsonInclude(JsonInclude.Include.NON_NULL)
    protected static class DataBean<T extends AbstractBaseDomain> {
        private String type;
        private Long id;
        private T attributes;
        private T relationships;
        private Links links;
    }
}

BaseResultFactory

package com.funtl.myshop.commons.dto;

import javax.servlet.http.HttpServletResponse;
import java.util.List;

/**
 * 通用响应结构工厂
 * <p>Title: BaseResultFactory</p>
 * <p>Description: </p>
 *
 * @author Lusifer
 * @version 1.0.0
 * @date 2019/1/23 15:16
 */
@SuppressWarnings("all")
public class BaseResultFactory<T extends AbstractBaseDomain> {

    /**
     * 设置日志级别，用于限制发生错误时，是否显示调试信息(detail)
     *
     * @see ErrorResult#detail
     */
    public static final String LOGGER_LEVEL_DEBUG = "DEBUG";

    private static BaseResultFactory baseResultFactory;

    private BaseResultFactory() {

    }

    // 设置通用的响应
    private static HttpServletResponse response;

    public static BaseResultFactory getInstance(HttpServletResponse response) {
        if (baseResultFactory == null) {
            synchronized (BaseResultFactory.class) {
                if (baseResultFactory == null) {
                    baseResultFactory = new BaseResultFactory();
                }
            }
        }

        BaseResultFactory.response = response;
        // 设置通用响应
        baseResultFactory.initResponse();
        return baseResultFactory;
    }

    /**
     * 构建单笔数据结果集
     *
     * @param self 当前请求路径
     * @return
     */
    public AbstractBaseResult build(String self, T attributes) {
        return new SuccessResult(self, attributes);
    }

    /**
     * 构建多笔数据结果集
     *
     * @param self 当前请求路径
     * @param next 下一页的页码
     * @param last 最后一页的页码
     * @return
     */
    public AbstractBaseResult build(String self, int next, int last, List<T> attributes) {
        return new SuccessResult(self, next, last, attributes);
    }

    /**
     * 构建请求错误的响应结构
     *
     * @param code   HTTP 状态码
     * @param title  错误信息
     * @param detail 调试信息
     * @param level  日志级别，只有 DEBUG 时才显示详情
     * @return
     */
    public AbstractBaseResult build(int code, String title, String detail, String level) {
        // 设置请求失败的响应码
        response.setStatus(code);

        if (LOGGER_LEVEL_DEBUG.equals(level)) {
            return new ErrorResult(code, title, detail);
        } else {
            return new ErrorResult(code, title, null);
        }
    }

    /**
     * 初始化 HttpServletResponse
     */
    private void initResponse() {
        // 需要符合 JSON API 规范
        response.setHeader("Content-Type", "application/vnd.api+json");
    }
}

ErrorResult

package com.funtl.myshop.commons.dto;

import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;

/**
 * 请求失败
 * <p>Title: ErrorResult</p>
 * <p>Description: </p>
 *
 * @author Lusifer
 * @version 1.0.0
 * @date 2019/1/23 15:07
 */
@Data
@AllArgsConstructor
@EqualsAndHashCode(callSuper = false)
// JSON 不显示为 null 的属性
@JsonInclude(JsonInclude.Include.NON_NULL)
public class ErrorResult extends AbstractBaseResult {
    private int code;
    private String title;

    /**
     * 调试信息
     */
    private String detail;
}

SuccessResult

package com.funtl.myshop.commons.dto;

import com.google.common.collect.Lists;
import lombok.Data;
import lombok.EqualsAndHashCode;
import org.apache.commons.lang3.StringUtils;

import java.util.List;

/**
 * 请求成功
 * <p>Title: SuccessResult</p>
 * <p>Description: </p>
 *
 * @author Lusifer
 * @version 1.0.0
 * @date 2019/1/23 15:07
 */
@Data
@EqualsAndHashCode(callSuper = false)
public class SuccessResult<T extends AbstractBaseDomain> extends AbstractBaseResult {
    private Links links;
    private List<DataBean> data;

    /**
     * 请求的结果（单笔）
     * @param self 当前请求路径
     * @param attributes 领域模型
     */
    public SuccessResult(String self, T attributes) {
        links = new Links();
        links.setSelf(self);

        createDataBean(null, attributes);
    }

    /**
     * 请求的结果（分页）
     * @param self 当前请求路径
     * @param next 下一页的页码
     * @param last 最后一页的页码
     * @param attributes 领域模型集合
     */
    public SuccessResult(String self, int next, int last, List<T> attributes) {
        links = new Links();
        links.setSelf(self);
        links.setNext(self + "?page=" + next);
        links.setLast(self + "?page=" + last);

        attributes.forEach(attribute -> createDataBean(self, attribute));
    }

    /**
     * 创建 DataBean
     * @param self 当前请求路径
     * @param attributes 领域模型
     */
    private void createDataBean(String self, T attributes) {
        if (data == null) {
            data = Lists.newArrayList();
        }

        DataBean dataBean = new DataBean();
        dataBean.setId(attributes.getId());
        dataBean.setType(attributes.getClass().getSimpleName());
        dataBean.setAttributes(attributes);

        if (StringUtils.isNotBlank(self)) {
            Links links = new Links();
            links.setSelf(self + "/" + attributes.getId());
            dataBean.setLinks(links);
        }

        data.add(dataBean);
    }
}

RegexpUtils

package com.funtl.myshop.commons.utils;

/**
 * 正则表达式工具类
 * <p>Title: RegexpUtils</p>
 * <p>Description: </p>
 *
 * @author Lusifer
 * @version 1.0.0
 * @date 2018/6/16 23:48
 */
public class RegexpUtils {
    /**
     * 验证手机号
     */
    public static final String PHONE = "^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$";

    /**
     * 验证邮箱地址
     */
    public static final String EMAIL = "\\w+(\\.\\w)*@\\w+(\\.\\w{2,3}){1,3}";

    /**
     * 验证手机号
     * @param phone
     * @return
     */
    public static boolean checkPhone(String phone) {
        return phone.matches(PHONE);
    }

    /**
     * 验证邮箱
     * @param email
     * @return
     */
    public static boolean checkEmail(String email) {
        return email.matches(EMAIL);
    }
}

AbstractBaseController

package com.funtl.myshop.commons.web;

import com.funtl.myshop.commons.dto.AbstractBaseDomain;
import com.funtl.myshop.commons.dto.AbstractBaseResult;
import com.funtl.myshop.commons.dto.BaseResultFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ModelAttribute;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;

/**
 * 通用的控制器
 * <p>Title: AbstractBaseController</p>
 * <p>Description: </p>
 *
 * @author Lusifer
 * @version 1.0.0
 * @date 2019/1/25 11:11
 */
public abstract class AbstractBaseController<T extends AbstractBaseDomain> {

    // 用于动态获取配置文件的属性值
    private static final String ENVIRONMENT_LOGGING_LEVEL_MY_SHOP = "logging.level.com.funtl.myshop";

    protected HttpServletRequest request;
    protected HttpServletResponse response;

    @Autowired
    private ConfigurableApplicationContext applicationContext;

    @ModelAttribute
    public void initReqAndRes(HttpServletRequest request, HttpServletResponse response) {
        this.request = request;
        this.response = response;
    }

    /**
     * 请求成功
     * @param self
     * @param attribute
     * @return
     */
    protected AbstractBaseResult success(String self, T attribute) {
        return BaseResultFactory.getInstance(response).build(self, attribute);
    }

    /**
     * 请求成功
     * @param self
     * @param next
     * @param last
     * @param attributes
     * @return
     */
    protected AbstractBaseResult success(String self, int next, int last, List<T> attributes) {
        return BaseResultFactory.getInstance(response).build(self, next, last, attributes);
    }

    /**
     * 请求失败
     * @param title
     * @param detail
     * @return
     */
    protected AbstractBaseResult error(String title, String detail) {
        return error(HttpStatus.UNAUTHORIZED.value(), title, detail);
    }

    /**
     * 请求失败
     * @param code
     * @param title
     * @param detail
     * @return
     */
    protected AbstractBaseResult error(int code, String title, String detail) {
        return BaseResultFactory.getInstance(response).build(code, title, detail, applicationContext.getEnvironment().getProperty(ENVIRONMENT_LOGGING_LEVEL_MY_SHOP));
    }
}

myshop-commons-domain

POM

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>com.funtl</groupId>
        <artifactId>myshop-dependencies</artifactId>
        <version>1.0.0-SNAPSHOT</version>
        <relativePath>../myshop-dependencies/pom.xml</relativePath>
    </parent>

    <artifactId>myshop-commons-domain</artifactId>
    <packaging>jar</packaging>

    <name>myshop-commons-domain</name>
    <url>http://www.funtl.com</url>
    <inceptionYear>2018-Now</inceptionYear>

    <dependencies>
        <!-- Spring Begin -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
        </dependency>
        <!-- Spring End -->

        <!-- Commons Begin -->
        <dependency>
            <groupId>org.hibernate.validator</groupId>
            <artifactId>hibernate-validator</artifactId>
        </dependency>
        <!-- Commons End -->

        <!-- Projects Begin -->
        <dependency>
            <groupId>com.funtl</groupId>
            <artifactId>myshop-commons</artifactId>
            <version>${project.parent.version}</version>
        </dependency>
        <!-- Projects End -->
    </dependencies>
</project>

TbUser

package com.funtl.myshop.commons.domain;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.funtl.myshop.commons.dto.AbstractBaseDomain;
import com.funtl.myshop.commons.utils.RegexpUtils;
import org.hibernate.validator.constraints.Length;

import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Pattern;

@Table(name = "tb_user")
@JsonInclude(JsonInclude.Include.NON_NULL)
public class TbUser extends AbstractBaseDomain {

    /**
     * 用户名
     */
    @NotNull(message = "用户名不可为空")
    @Length(min = 5, max = 20, message = "用户名长度必须介于 5 和 20 之间")
    private String username;

    /**
     * 密码，加密存储
     */
    @JsonIgnore
    private String password;

    /**
     * 注册手机号
     */
    private String phone;

    /**
     * 注册邮箱
     */
    @NotNull(message = "邮箱不可为空")
    @Pattern(regexp = RegexpUtils.EMAIL, message = "邮箱格式不正确")
    private String email;

    /**
     * 获取用户名
     *
     * @return username - 用户名
     */
    public String getUsername() {
        return username;
    }

    /**
     * 设置用户名
     *
     * @param username 用户名
     */
    public void setUsername(String username) {
        this.username = username;
    }

    /**
     * 获取密码，加密存储
     *
     * @return password - 密码，加密存储
     */
    public String getPassword() {
        return password;
    }

    /**
     * 设置密码，加密存储
     *
     * @param password 密码，加密存储
     */
    public void setPassword(String password) {
        this.password = password;
    }

    /**
     * 获取注册手机号
     *
     * @return phone - 注册手机号
     */
    public String getPhone() {
        return phone;
    }

    /**
     * 设置注册手机号
     *
     * @param phone 注册手机号
     */
    public void setPhone(String phone) {
        this.phone = phone;
    }

    /**
     * 获取注册邮箱
     *
     * @return email - 注册邮箱
     */
    public String getEmail() {
        return email;
    }

    /**
     * 设置注册邮箱
     *
     * @param email 注册邮箱
     */
    public void setEmail(String email) {
        this.email = email;
    }
}

BeanValidator

package com.funtl.myshop.commons.validator;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import javax.validation.Validator;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * JSR303 Validator(Hibernate Validator)工具类.
 * <p>
 * ConstraintViolation 中包含 propertyPath, message 和 invalidValue 等信息.
 * 提供了各种 convert 方法，适合不同的 i18n 需求:
 * 1. List<String>, String 内容为 message
 * 2. List<String>, String 内容为 propertyPath + separator + message
 * 3. Map<propertyPath, message>
 * <p>
 * 详情见wiki: https://github.com/springside/springside4/wiki/HibernateValidator
 *
 * <p>Title: BeanValidator</p>
 * <p>Description: </p>
 *
 * @author Lusifer
 * @version 1.0.0
 * @date 2018/6/26 17:21
 */
@Component
public class BeanValidator {

    @Autowired
    private Validator validatorInstance;

    private static Validator validator;

    @PostConstruct
    public void init() {
        BeanValidator.validator = validatorInstance;
    }

    /**
     * 调用 JSR303 的 validate 方法, 验证失败时抛出 ConstraintViolationException.
     */
    private static void validateWithException(Validator validator, Object object, Class<?>... groups) throws ConstraintViolationException {
        Set constraintViolations = validator.validate(object, groups);
        if (!constraintViolations.isEmpty()) {
            throw new ConstraintViolationException(constraintViolations);
        }
    }

    /**
     * 辅助方法, 转换 ConstraintViolationException 中的 Set<ConstraintViolations> 中为 List<message>.
     */
    private static List<String> extractMessage(ConstraintViolationException e) {
        return extractMessage(e.getConstraintViolations());
    }

    /**
     * 辅助方法, 转换 Set<ConstraintViolation> 为 List<message>
     */
    private static List<String> extractMessage(Set<? extends ConstraintViolation> constraintViolations) {
        List<String> errorMessages = new ArrayList<>();
        for (ConstraintViolation violation : constraintViolations) {
            errorMessages.add(violation.getMessage());
        }
        return errorMessages;
    }

    /**
     * 辅助方法, 转换 ConstraintViolationException 中的 Set<ConstraintViolations> 为 Map<property, message>.
     */
    private static Map<String, String> extractPropertyAndMessage(ConstraintViolationException e) {
        return extractPropertyAndMessage(e.getConstraintViolations());
    }

    /**
     * 辅助方法, 转换 Set<ConstraintViolation> 为 Map<property, message>.
     */
    private static Map<String, String> extractPropertyAndMessage(Set<? extends ConstraintViolation> constraintViolations) {
        Map<String, String> errorMessages = new HashMap<>();
        for (ConstraintViolation violation : constraintViolations) {
            errorMessages.put(violation.getPropertyPath().toString(), violation.getMessage());
        }
        return errorMessages;
    }

    /**
     * 辅助方法, 转换 ConstraintViolationException 中的 Set<ConstraintViolations> 为 List<propertyPath message>.
     */
    private static List<String> extractPropertyAndMessageAsList(ConstraintViolationException e) {
        return extractPropertyAndMessageAsList(e.getConstraintViolations(), " ");
    }

    /**
     * 辅助方法, 转换 Set<ConstraintViolations> 为 List<propertyPath message>.
     */
    private static List<String> extractPropertyAndMessageAsList(Set<? extends ConstraintViolation> constraintViolations) {
        return extractPropertyAndMessageAsList(constraintViolations, " ");
    }

    /**
     * 辅助方法, 转换 ConstraintViolationException 中的 Set<ConstraintViolations> 为 List<propertyPath + separator + message>.
     */
    private static List<String> extractPropertyAndMessageAsList(ConstraintViolationException e, String separator) {
        return extractPropertyAndMessageAsList(e.getConstraintViolations(), separator);
    }

    /**
     * 辅助方法, 转换 Set<ConstraintViolation> 为 List<propertyPath + separator + message>.
     */
    private static List<String> extractPropertyAndMessageAsList(Set<? extends ConstraintViolation> constraintViolations, String separator) {
        List<String> errorMessages = new ArrayList<>();
        for (ConstraintViolation violation : constraintViolations) {
            errorMessages.add(violation.getPropertyPath() + separator + violation.getMessage());
        }
        return errorMessages;
    }

    /**
     * 服务端参数有效性验证
     *
     * @param object 验证的实体对象
     * @param groups 验证组
     * @return 验证成功：返回 null；验证失败：返回错误信息
     */
    public static String validator(Object object, Class<?>... groups) {
        try {
            validateWithException(validator, object, groups);
        } catch (ConstraintViolationException ex) {
            List<String> list = extractMessage(ex);
            list.add(0, "数据验证失败：");

            // 封装错误消息为字符串
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < list.size(); i++) {
                String exMsg = list.get(i);
                if (i != 0) {
                    sb.append(String.format("%s. %s", i, exMsg)).append(list.size() > 1 ? "<br/>" : "");
                } else {
                    sb.append(exMsg).append(list.size() > 1 ? "<br/>" : "");
                }
            }

            return sb.toString();
        }

        return null;
    }
}

myshop-commons-service

BaseCrudService

package com.funtl.myshop.commons.service;

import com.funtl.myshop.commons.dto.AbstractBaseDomain;

/**
 * 通用的业务逻辑
 * <p>Title: BaseCrudService</p>
 * <p>Description: </p>
 *
 * @author Lusifer
 * @version 1.0.0
 * @date 2019/1/25 9:43
 */
public interface BaseCrudService<T extends AbstractBaseDomain> {

    /**
     * 查询属性值是否唯一
     *
     * @param property
     * @param value
     * @return true/唯一，false/不唯一
     */
    default boolean unique(String property, String value) {
        return false;
    }

    /**
     * 保存
     * @param domain
     * @return
     */
    default T save(T domain) {
        return null;
    }
}

TbUserService

package com.funtl.myshop.commons.service;

import com.funtl.myshop.commons.domain.TbUser;

public interface TbUserService extends BaseCrudService<TbUser> {
}

BaseCrudServiceImpl

package com.funtl.myshop.commons.service.impl;

import com.funtl.myshop.commons.dto.AbstractBaseDomain;
import com.funtl.myshop.commons.service.BaseCrudService;
import org.springframework.beans.factory.annotation.Autowired;
import tk.mybatis.mapper.MyMapper;
import tk.mybatis.mapper.entity.Example;

import java.lang.reflect.ParameterizedType;
import java.util.Date;

public class BaseCrudServiceImpl<T extends AbstractBaseDomain, M extends MyMapper<T>> implements BaseCrudService<T> {

    @Autowired
    protected M mapper;

    private Class<T> entityClass = (Class<T>) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];

    @Override
    public boolean unique(String property, String value) {
        Example example = new Example(entityClass);
        example.createCriteria().andEqualTo(property, value);
        int result = mapper.selectCountByExample(example);
        if (result > 0) {
            return false;
        }
        return true;
    }

    @Override
    public T save(T domain) {
        int result = 0;
        Date currentDate = new Date();
        domain.setUpdated(currentDate);

        // 创建
        if (domain.getId() == null) {
            domain.setCreated(currentDate);

            /**
             * 用于自动回显 ID，领域模型中需要 @ID 注解的支持
             * {@link AbstractBaseDomain}
             */
            result = mapper.insertUseGeneratedKeys(domain);
        }

        // 更新
        else {
            result = mapper.updateByPrimaryKey(domain);
        }

        // 保存数据成功
        if (result > 0) {
            return domain;
        }

        // 保存数据失败
        return null;
    }
}

TbUserServiceImpl

package com.funtl.myshop.commons.service.impl;

import com.funtl.myshop.commons.domain.TbUser;
import com.funtl.myshop.commons.mapper.TbUserMapper;
import com.funtl.myshop.commons.service.TbUserService;
import org.springframework.stereotype.Service;

@Service
public class TbUserServiceImpl extends BaseCrudServiceImpl<TbUser, TbUserMapper> implements TbUserService {
}

myshop-service-reg

MyShopServiceRegApplication

package com.funtl.myshop.service.reg;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import tk.mybatis.spring.annotation.MapperScan;

@SpringBootApplication(scanBasePackages = "com.funtl.myshop")
@EnableDiscoveryClient
@MapperScan(basePackages = "com.funtl.myshop.commons.mapper")
public class MyShopServiceRegApplication {
    public static void main(String[] args) {
        SpringApplication.run(MyShopServiceRegApplication.class, args);
    }
}

RegController

package com.funtl.myshop.service.reg.controller;

import com.funtl.myshop.commons.domain.TbUser;
import com.funtl.myshop.commons.dto.AbstractBaseResult;
import com.funtl.myshop.commons.service.TbUserService;
import com.funtl.myshop.commons.validator.BeanValidator;
import com.funtl.myshop.commons.web.AbstractBaseController;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping(value = "reg")
public class RegController extends AbstractBaseController<TbUser> {

    @Autowired
    private TbUserService tbUserService;

    @PostMapping(value = "")
    public AbstractBaseResult reg(TbUser tbUser) {
        // 数据校验
        String message = BeanValidator.validator(tbUser);
        if (StringUtils.isNotBlank(message)) {
            return error(message, null);
        }

        // 验证用户名是否重复
        if (!tbUserService.unique("username", tbUser.getUsername())) {
            return error("用户名重复，请重试", null);
        }

        // 验证邮箱是否重复
        if (!tbUserService.unique("email", tbUser.getEmail())) {
            return error("邮箱重复，请重试", null);
        }

        // 注册用户
        tbUser.setPassword(DigestUtils.md5DigestAsHex(tbUser.getPassword().getBytes()));
        TbUser user = tbUserService.save(tbUser);
        if (user != null) {
            response.setStatus(HttpStatus.CREATED.value());
            return success(request.getRequestURI(), user);
        }

        // 注册失败
        return error("注册失败，请重试", null);
    }
}

完善用户注册服务

本节视频

概述

myshop-commons

POM

AbstractBaseDomain

AbstractBaseResult

BaseResultFactory

ErrorResult

SuccessResult

RegexpUtils

AbstractBaseController

myshop-commons-domain

POM

TbUser

BeanValidator

myshop-commons-service

BaseCrudService

TbUserService

BaseCrudServiceImpl

TbUserServiceImpl

myshop-service-reg

MyShopServiceRegApplication

RegController

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