ObjectUtils class
Object 工具类
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
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
-
compareListIsEqual(
List? listA, List? listB) → bool - Returns true Two List Is Equal. 比较两个集合是否相同
-
getLength(
Object? value) → int - get length. 获取object的长度
-
isEmpty(
Object? object) → bool - Returns true String or List or Map is empty. 判断object对象是否为空
-
isEmptyList(
Iterable? list) → bool - Returns true if the list is null or 0-length. 判断集合是否为空
-
isEmptyMap(
Map? map) → bool - Returns true if there is no key/value pair in the map. 判断字典是否为空
-
isEmptyString(
String? str) → bool - Returns true if the string is null or 0-length. 判断字符串是否为空
-
isNotEmpty(
Object object) → bool - Returns true String or List or Map is not empty. 判断object是否不为空
-
isNull(
dynamic s) → bool - 判断对象是否为null
-
isNullOrBlank(
dynamic s) → bool - Checks if data is null or blank (empty or only contains whitespace). 检查数据是否为空或空(空或只包含空格)