这里我们使用Enum.valueOf()方法来实现这一功能。 // 定义一个工具类,包含字符串转枚举的方法publicclassEnumConverter{// 将字符串转换为枚举类型publicstaticDayOfWeekconvertStringToEnum(Stringday){// 如果传入的字符串为null,可以提前抛出异常if(day==null){thrownewIllegalArgumentException("输入不能为null");}...
publicclassEnumTest{publicstaticvoidmain(String[]args){StringstatusInput="shipped";// 用户输入OrderStatusstatus=EnumConverter.convertStringToEnum(statusInput);if(status!=null){System.out.println("转换后的订单状态是: "+status);}}} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 在这个示例中,用户输入...
public class Main { public static void main(String[] args) { String colorCode = "R"; Color color = ColorMapper.INSTANCE.stringToColor(colorCode); System.out.println(color); // 输出: RED } } 总结 根据具体场景和需求,可以选择合适的方法将字符串转换为枚举。对于简单的转换,Enum.valueOf()方...
str := “123” // string 转 int i, err := strconv.Atoi(str) if err == nil { ...
问在java中使用orika映射器将字符串转换为枚举EN您需要实现从CustomConverter继承的转换器类，并将字符串...
package com.example.demo;publicenumStatus { NEW, PROCESSING, COMPLETED, CANCELLED; } 2.创建枚举转换器 package com.example.demo; import org.springframework.core.convert.converter.Converter; import org.springframework.stereotype.Component; @ComponentpublicclassStringToStatusConverter implements Converter<String...
从String到enum的互换(string to enum to string) 2006-07-02 20:39 − Convert a string to an enumerated (enum) value. Using the Enum.Parse method, you can easily convert a string value to an enumerated value. Doing... dragonpro 0 6552 ...
Then, we convert the constant array into aStreamobject. Next, we pass the case-insensitive comparison logic to thefilter()method as alambda expression. As we don’t know if thefilter()method can find a matchedenuminstance,we return thefindAny()method’s result, which is anOptional<Weekday...
import org.springfreamwork.core.convert.converter.Converter;publicclassStringToEnumConvertor implements Converter { @OverridepublicGender convert(String s) {if(s.equals("Male")) {returnGender.MALE; }elseif(s.equals("Female")) {returnGender.FEMALE; ...
STRINGstringvalueENUMstringnamecan_convert_to 类图 接下来是表示EnumUtils类和Day枚举的类图: usesEnumUtils+static boolean isValidEnum(Class enumClass, String value)«enumeration»Day+MONDAY+TUESDAY+WEDNESDAY+THURSDAY+FRIDAY+SATURDAY+SUNDAY 总结