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