62 lines
1.5 KiB
Dart
62 lines
1.5 KiB
Dart
/// [author] fengshengxiong
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/// [date] 2024/5/7
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/// [description] 对象工具类
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library;
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class ObjUtil {
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static bool isNotEmptyString(String? str) {
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return str == null || str.trim().isNotEmpty;
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}
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static bool isNotEmptyList(Iterable? list) {
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return list == null || list.isNotEmpty;
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}
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static bool isNotEmptyMap(Map? map) {
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return map == null || map.isNotEmpty;
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}
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static bool isEmpty(Object? object) {
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if (object == null) return true;
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if (object is String && object.trim().isEmpty) {
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return true;
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} else if (object is Iterable && object.isEmpty) {
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return true;
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} else if (object is Map && object.isEmpty) {
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return true;
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}
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return false;
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}
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static bool isNotEmpty(Object? object) {
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return !isEmpty(object);
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}
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/// Returns true Two List Is Equal.
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static bool twoListIsEqual(List? listA, List? listB) {
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if (listA == listB) return true;
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if (listA == null || listB == null) return false;
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int length = listA.length;
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if (length != listB.length) return false;
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for (int i = 0; i < length; i++) {
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if (!listA.contains(listB[i])) {
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return false;
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}
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}
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return true;
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}
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/// get length.
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static int getLength(Object? value) {
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if (value == null) return 0;
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if (value is String) {
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return value.length;
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} else if (value is Iterable) {
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return value.length;
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} else if (value is Map) {
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return value.length;
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} else {
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return 0;
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}
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}
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} |