枚举类

Posted 2022-01-20 xiaowangbangzhu

package com.vx.springbootexcel.common.enums;

/**
 * @author wangbs
 * @date 2019/6/18  11:34
 */
public enum BusinessTypeEnum 

    BUSINESS_TYPE_ENUM("1", "业务类型1"),

    BUSINESS_TYPE2_ENUM("2", "业务类型2")
  ;
    private  String key;
    private  String value;

    BusinessTypeEnum(String key, String value) 
        this.key = key;
        this.value = value;
    

    /**
     * 通过key 获取当前的枚举类型
     * @param key
     * @return
     */
    public static BusinessTypeEnum getEnum(String key) 
        for (BusinessTypeEnum temp : BusinessTypeEnum.values()) 
            if (temp.getKey().equals(key)) 
                return temp;
            
        
        return null;
    

    /**
     * 根据key 获取value  就避免了空指针
     * @param key
     * @return
     */
    public static String getValue(String key) 
        for (BusinessTypeEnum temp : BusinessTypeEnum.values()) 
            if (temp.getKey().equals(key)) 
                return temp.getValue();
            
        
        return null;
    


    public String getKey() 
        return key;
    

    public String getValue() 
        return value;