update 增加MP自定义id 序列化兼容

mingli

2021-06-11 97a0c890bfbcc7a70877228416ac7ec465079a85

update 增加MP自定义id 序列化兼容

 ruoyi-framework/src/main/java/com/ruoyi/framework/config/JacksonConfig.java

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@@ -0,0 +1,36 @@
package com.ruoyi.framework.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;

/**
 * å½“Mybatis plus设置为雪花ID时
 * ä½¿ç”¨æ­¤ç±»ï¼Œä¼šæŠŠæ‰€æœ‰æ•°å­—返回变为字符串返回适配前端Long型失真问题
 *
 * @author Ming LI
 */
@Configuration
public class JacksonConfig {

    @Bean
    @Primary
    @ConditionalOnMissingBean(ObjectMapper.class)
    @ConditionalOnProperty(value = "mybatis-plus.global-config.dbConfig.idType", havingValue = "ASSIGN_ID")
    public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) {
        ObjectMapper objectMapper = builder.createXmlMapper(false).build();
        // å…¨å±€é…ç½®åºåˆ—化返回 JSON å¤„理
        SimpleModule simpleModule = new SimpleModule();
        //JSON Long ==> String
        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
        objectMapper.registerModule(simpleModule);
        return objectMapper;
    }

}