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  • Object-C反射读取实体属性和值

    举例:

    首先定义TestModel如下:

    @interface TestModel : NSObject

    @property (nonatomic, strong) NSString *name;

    @property (nonatomic, strong) NSString *desc;

    @property (nonatomic, assign) int age;

    @end

    然后在viewControl中viewDidLoad中添加如下代码

        TestModel *model = [[TestModel alloc] init];

        model.name = @"Jack";

        model.age = 30;

        model.desc = @"some thing right";

        

        unsigned int outCount, i;

        objc_property_t *properties = class_copyPropertyList([model class], &outCount);

        

        for (i=0; i<outCount; i++) {

            objc_property_t property = properties[i];

            

            const char *propertyName =  property_getName(property);

            const char *propertyAttribute =  property_getAttributes(property);

            

            NSString  *name=[NSString  stringWithCString:propertyName

                                                encoding:NSUTF8StringEncoding];

            

            NSString  *attribute=[NSString  stringWithCString:propertyAttribute

                                                     encoding:NSUTF8StringEncoding];

            

            

            id value = [model valueForKey:[NSString stringWithUTF8String:propertyName]];

            NSString * key = [[NSStringalloc]initWithCString:property_getName(property) encoding:NSUTF8StringEncoding];

            

            NSLog(@"%@==%@ ",name,attribute);

            NSLog(@"property[%d]:%@  value:%@ ", i, key, value);

        }

    执行结果如下:

    2014-03-01 05:35:38.560 snippet[7267:70b] name==T@"NSString",&,N,V_name

    2014-03-01 05:35:38.562 snippet[7267:70b] property[0]:name  value:Jack

    2014-03-01 05:35:38.562 snippet[7267:70b] desc==T@"NSString",&,N,V_desc

    2014-03-01 05:35:38.563 snippet[7267:70b] property[1]:desc  value:some thing right

    2014-03-01 05:35:38.563 snippet[7267:70b] age==Ti,N,V_age

    2014-03-01 05:35:38.564 snippet[7267:70b] property[2]:age  value:30

    欢迎光临~~

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  • 原文地址:https://www.cnblogs.com/lvlin/p/3572183.html
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