Java中枚举的写法和用法
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一、枚举的写法
package com.tomtop.application.libraries.constentEnum; /**
* 包材领用状态枚举类
* @author zeng.xiao.yan
* @date Jun 5, 2017 1:04:40 PM
* @version V1.0
*/ public enum UseStatusEnum { PACKING_NOT_USE(1), // 未领用
PACKING_HAS_USED(2), // 已领用
PACKING_BACK_USE(3); // 已打回 private Integer useStatus; private UseStatusEnum(int useStatus) {
this.useStatus = useStatus;
} public Integer getUseStatus() {
return useStatus;
} }
package com.tomtop.application.libraries.constentEnum;
/**
* b2b发票状态枚举类
* @author ZENG.XIAO.YAN
* @date Aug 11, 2017 9:32:04 AM
* @version V1.0
* @qq 1927
*/ public enum B2bInvoiceStatusEnum { /** 待开票 */
WAIT_MAKE_INVOICE(10,"待开票"),
/** 待关务审核发票 */
WAIT_CUSTOMS_AUDIT_INVOICE(20,"待关务审核发票"),
/** 待财务审核发票 */
WAIT_FINANCIAL_AUDIT_INVOICE(30,"待财务审核发票"),
/** 待财务认证发票 */
WAIT_FINANCIAL_AUTHENTICATION_INVOICE(40,"待财务认证发票"),
/** 待税局退税 */
WAIT_TAX_STATION_TAX_REIMBURSEMENT(50,"待税局退税"),
/** 不可退税 */
CAN_NOT_TAX_REIMBURSEMENT(60,"不可退税"),
/** 已退税 */
HAS_TAX_REIMBURSEMENT(70,"已退税"); private Integer status;
private String text; //构造方法
private B2bInvoiceStatusEnum(Integer status,String text ){
this.status = status;
this.text = text;
} public Integer getStatus() {
return status;
} public String getText() {
return text;
} }
二、枚举类在代码中的用法
// 枚举使用案例01
productPackingRecord.setUseStatus(UseStatusEnum.PACKING_NOT_USE.getUseStatus()); //设为未领用状态
// 枚举使用案例02
public Map<String,String> getOptions(){
Map<String,String> options = new LinkedHashMap<>();
B2bInvoiceStatusEnum[] statusEnums = B2bInvoiceStatusEnum.values(); // 获得枚举对象数组
// 遍历枚举对象
for (B2bInvoiceStatusEnum b2bInvoiceStatusEnum : statusEnums) {
// eg：put("10","待开票")
options.put(b2bInvoiceStatusEnum.getStatus().toString(), b2bInvoiceStatusEnum.getText());
}
return options;
} // 枚举使用案例03
/** （3）保存发票，发票状态设为'待关务部审核发票' */
invoiceInfo.setStatus(B2bInvoiceStatusEnum.WAIT_CUSTOMS_AUDIT_INVOICE.getStatus());
session.save(invoiceInfo);
public Map<String,String> getOptions(){
Map<String,String> options = new LinkedHashMap<>();
B2bInvoiceStatusEnum[] statusEnums = B2bInvoiceStatusEnum.values(); // 获得枚举对象数组
// 遍历枚举对象
for (B2bInvoiceStatusEnum b2bInvoiceStatusEnum : statusEnums) {
// eg：put("10","待开票")
options.put(b2bInvoiceStatusEnum.getStatus().toString(), b2bInvoiceStatusEnum.getText());
}
return options;
}
// 枚举使用案例03
/** （3）保存发票，发票状态设为'待关务部审核发票' */
invoiceInfo.setStatus(B2bInvoiceStatusEnum.WAIT_CUSTOMS_AUDIT_INVOICE.getStatus());
session.save(invoiceInfo);