string enumParseStr = Enum.Parse(typeof(Color), hashCode.ToString()).ToString(); 1. 2. Enum.Parse()得到的值是object类型的,我们要转换的是值,得到的是名字,因此ToString()得到名字。 将枚举的名字转换为对应的值 string str = Color.Red.ToString(); int enumParseInt = Convert.ToInt32(Enum.Parse...
ENUMSTRINGLOGAPIconvertsrecordedreturned 这样设计能够确保在不同场景中使用时,枚举和字符串之间的转换仍能保持一致,提高代码的复用性和可维护性。
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...
(String[] args) { String statusStr = "UNPUBLISHED"; try { Status status = Enum.valueOf(Status.class, statusStr); System.out.println("Successfully converted to enum: " + status); } catch (IllegalArgumentException e) { System.out.println("Failed to convert: " + e.getMessage()); } }...
/** * 类型转换器 * * @author ruoyi */ public class Convert { /** * 转换为字符串<br> * 如果给定的值为null,或者转换失败,返回默认值<br> * 转换失败不会报错 * * @param value 被转换的值
TheintValuemethod converts theIntegertoint. Likewise, thefloatValuereturns afloatdata type. String bin = Integer.toBinaryString(a); String hex = Integer.toHexString(a); String oct = Integer.toOctalString(a); These three methods return a binary, hexadecimal, and octal representation of the integ...
str := “123” // string 转 int i, err := strconv.Atoi(str) if err == nil { ...
Convert the enum constant given by thevalueargument into a String. booleanisTransient() If true, the Object implementing this interface must not participate in state saving or restoring. voidrestoreState(FacesContextfacesContext,Objectobject) Perform any processing required to restore the state from the...
public EnumConverter() Method Detail toValue public java.lang.Enum toValue(java.lang.String string, java.lang.Class<?> type) Description copied from class: Converter Converts a non-null string to a value. Specified by: toValue in class Converter toString public java.lang.String toString(...
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...