Runtime – 获取成员变量、值、动态创建类

import

import “CustomClass.h”

@implementation NSObject (RuntimeTest)

-(id)testRunTime:(NSString )classname age:(NSString )age{

unsigned int propertyCount = 0;

objc_property_t *propertys = class_copyPropertyList([self class], &propertyCount);
for (unsigned int i = 0; i < propertyCount; i++) {

objc_property_t property = propertys[i];
//获取成员的名称
NSString *propertyName = [[NSString alloc] initWithCString:property_getName(property) encoding:NSUTF8StringEncoding];

NSLog(@"propertyName = %@ -- 成员名称",propertyName);
//获取成员内容的Ivar
Ivar ivar = class_getInstanceVariable([self class], [propertyName UTF8String]);

if (ivar == nil) {
ivar = class_getInstanceVariable([self class], [[NSString stringWithFormat:@"_%@",propertyName] UTF8String]);
}

id propertyVal = object_getIvar(self, ivar);
NSLog(@"propertyVal = %@ --值",propertyVal);

Class varClass = NSClassFromString(classname);
id varobj = [[varClass alloc]init];

[varobj test];

Ivar ivarObj = class_getInstanceVariable(varClass, [@"_age" UTF8String]);
object_setIvar(varobj, ivarObj, age);

return varobj;

}

return nil;

}

@end

项目Dome：https://github.com/mrLIHUAN/Runtime