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以下是我的原始数组:
{
FilePath = "Selfcare.jpg";
ModuleId = 18;
ModuleName = "Infant N Toddler";
SkillLevelID = 59;
SkillLevelName = "Self Care";
},
{
FilePath = "Preschool.jpg";
ModuleId = 18;
ModuleName = "Infant N Toddler";
SkillLevelID = 60;
SkillLevelName = "Preschool Readiness";
},
{
FilePath = "Learning_Primary.jpg";
ModuleId = 22;
ModuleName = Cognitive;
SkillLevelID = 71;
SkillLevelName = "Learning Readiness - Primary Skills";
},
{
FilePath = "PreAcad_Primary.jpg";
ModuleId = 22;
ModuleName = Cognitive;
SkillLevelID = 72;
SkillLevelName = "Pre-Academics: Primary Skills";
}
NSArray *curriculums = [array valueForKeyPath:@"@distinctUnionOfObjects.ModuleName"];
<__NSArrayI>(
Cognitive,
Infant N Toddler
)
<__NSArrayI>(
Infant N Toddler,
Cognitive
)
最佳答案
请试试这个
NSArray *orderedSet = [[NSOrderedSet orderedSetWithArray:[people valueForKey:@"ModuleName"]] array];
关于ios - uniqueUnionOfObjects更改数组的顺序,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44427032/
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