StringExtension extension
- on
Properties
- isNullOrEmpty → bool
-
Available on String?, provided by the StringExtension extension
判断是否为 null 或空no setter
Methods
-
appendEnd(
String txt) → String? -
Available on String?, provided by the StringExtension extension
在字符串后追加文本 如果原字符串为null，则不做追加，直接返回null -
appendStart(
String txt) → String? -
Available on String?, provided by the StringExtension extension
在字符串前追加文本 如果原字符串为null，则不做追加，直接返回null -
orDefault(
String defaultValue) → String -
Available on String?, provided by the StringExtension extension
如果为 null 或空，返回默认值 -
orDefaultWithTrim(
String defaultValue) → String -
Available on String?, provided by the StringExtension extension
如果为 null 或空，返回默认值 自动 trim() -
trimEmptyToNull(
) → String? -
Available on String?, provided by the StringExtension extension
如果为 null 或空，返回默认值