ismemberofclass sql is_member is not a member memberid is null

bjective-C语法之动态类型(isKindOfClass, isMemberOfClass,idhttp://www.docin.com/p-543074167.html*c1=[Class1 new]; if ([c1 isKindOfClass: [NSObject class]]) { NSLog(@ c1 is a kind of NSObject. ); } if ([c1 isMemberOfClass:[Class1 class]]) { NSLog(@ c1 is Member of Class1玛雅 maya m13

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ismemberofclass

objc方法isMemberOfClass,用来判别实例是由哪个类实例化的-http://blog.csdn.net/wxin9/article/details/6828069printf( c1 is Member of Class1 !\\n\\n ); } if ([c2 isMemberOfClass:[Class2 class]]==YES) { printf( c2 is Member of Class2 !\\n\\n ); } return 0; } 输出结果: c1 is Member of Class1 ! c2 i傲风创世中文网

isMemberOfClass的使用举例isKindOfClass的应用举例 - pehttp://www.cnblogs.com/pengyingh/articles/2364600.htmlclass]]) { NSLog(@ teacher Teacher类的成员 ); } //NO if ([teacher isMemberOfClass:[Person class]]) { NSLog(@ teacher Person类的成员 ); } //NO if ([teacher isMemberOfClass:[