StringUtils class

Constructors

StringUtils()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

getVersion(String version) → int

isNullOrEmpty(String? str) → bool

检查字符串是否为空

toLowerCase(String str) → String

将字符串转换为小写

toUpperCase(String str) → String

将字符串转换为大写

trim(String str) → String

去除字符串两端的空白字符