SpringBoot返回枚举对象中的指定属性

枚举

package com.meeno.boot.oa.employee.enums;

import com.alibaba.fastjson.annotation.JSONType;

import com.meeno.boot.oa.common.BaseEnum;

import com.meeno.boot.oa.common.json.EnumSerializer;

import com.meeno.boot.oa.common.json.EnumDeserializer;

/**

 * @description: 员工状态枚举

 * @author: Wzq

 * @create: 2020-03-13 16:30

 */

@JSONType(serializer = EnumSerializer.class, deserializer = EnumDeserializer.class, serializeEnumAsJavaBean = true)

public enum EmployeeStatusEnum implements BaseEnum {

    ON_THE_JOB(1),//在职

    DIMISSION(2)//离职

    ;

    private Integer code;

    EmployeeStatusEnum(Integer code) {

        this.code = code;

    }

    @Override

    public Integer getCode() {

        return this.code;

    }

}

EnumDeserializer.java

package com.meeno.boot.oa.common.json;

import com.alibaba.fastjson.parser.DefaultJSONParser;

import com.alibaba.fastjson.parser.JSONLexer;

import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;

import com.meeno.boot.oa.common.BaseEnum;

import java.lang.reflect.Type;

public class EnumDeserializer implements ObjectDeserializer {

    @Override

    public <T> T deserialze(DefaultJSONParser parser, Type type, Object o) {

        final JSONLexer lexer = parser.lexer;

        Class cls = (Class) type;

        Object[] enumConstants = cls.getEnumConstants();

        if (BaseEnum.class.isAssignableFrom(cls)) {

            for (Object enumConstant : enumConstants) {

                BaseEnum baseEnum = (BaseEnum) enumConstant;

                if (lexer.intValue() == baseEnum.getCode()) {

                    return (T) baseEnum;

                }

            }

        }

        return null;

    }

    @Override

    public int getFastMatchToken() {

        return 0;

    }

}

EnumSerializer.java

package com.meeno.boot.oa.common.json;

import com.alibaba.fastjson.serializer.JSONSerializer;

import com.alibaba.fastjson.serializer.ObjectSerializer;

import com.meeno.boot.oa.common.BaseEnum;

import java.io.IOException;

import java.lang.reflect.Type;

public class EnumSerializer implements ObjectSerializer {

    @Override

    public void write(JSONSerializer jsonSerializer, Object o, Object o1, Type type, int i) throws IOException {

        if (o instanceof BaseEnum) {

            BaseEnum baseEnum = (BaseEnum) o;

            jsonSerializer.out.write(baseEnum.getCode().toString());

        } else {

            jsonSerializer.out.writeEnum((Enum<?>) o);

        }

    }

}