Spring Cloud微服务实战 打造企业级优惠券系统 5-1 通用配置定义

0　　　　课程地址

https://coding.imooc.com/lesson/380.html#mid=28592

 

1　　　　浓缩精华

1.1　　通用配置定义

详见代码部分

 

2　　　　个人关注

2.1　　 * http消息转换器 *

 

将java的实体对象转换为http数据输出流，或者将http输入流转换为java对象

 

 

3　　　　课程内容

3.1　　通用模块架构

 

 

 

 

 

4　　　　代码演练

4.1　　新建imooc-coupon-service和coupon-common子模块

imooc-coupon-service模块 pom.xml

<?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">
    <parent>
        <artifactId>imooc-coupon</artifactId>
        <groupId>com.imooc.coupon</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>imooc-coupon-service</artifactId>
    <packaging>pom</packaging>
    <modules>
        <module>coupon-common</module>
    </modules>


</project>

 

 

coupon-common模块 pom.xml

<?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">
    <parent>
        <artifactId>imooc-coupon-service</artifactId>
        <groupId>com.imooc.coupon</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>coupon-common</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>

    <dependencies>
        <!-- 引入 Web 功能,对外提供服务接口 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!-- JSON 处理工具 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.31</version>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-collections4 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-collections4</artifactId>
            <version>4.0</version>
        </dependency>
    </dependencies>


</project>

 

WebConfiguration（http消息转换器）

 

package com.imooc.coupon.conf;

import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.List;
import java.util.Map;

/**
 * WebConfiguration
 *  http消息转换器
 * 将java的实体对象转换为http数据输出流，或者将http输入流转换为java对象
 *
 * @author 魏豆豆
 * @date 2021/6/20
 */
@Configuration
public class WebConfiguration implements WebMvcConfigurer {
    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        converters.clear();
        converters.add(new MappingJackson2HttpMessageConverter());
    }
}

 

 

 

 

JacksonConfig（jackson自定义配置）

package com.imooc.coupon.conf;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.text.SimpleDateFormat;

/**
 * JacksonConfig
 *  Jackson 自定义配置
 * @author 魏豆豆
 * @date 2021/6/20
 */
@Configuration
public class JacksonConfig {

    @Bean
    public ObjectMapper getObjectMapper(){
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
        return objectMapper;
    }
}