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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,15 @@ | ||
| // | ||
| // NSObject+DebugDescription.h | ||
| // DebugDescription | ||
| // | ||
| // Created by Rakuyo on 2017/10/6. | ||
| // Copyright © 2017年 Rakuyo. All rights reserved. | ||
| // | ||
| // http://www.cocoachina.com/ios/20170728/20055.html | ||
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| #import <Foundation/Foundation.h> | ||
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| // 打印模型时打印其下元素。 | ||
| @interface NSObject (DebugDescription) | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // | ||
| // NSObject+DebugDescription.m | ||
| // DebugDescription | ||
| // | ||
| // Created by Rakuyo on 2017/10/6. | ||
| // Copyright © 2017年 Rakuyo. All rights reserved. | ||
| // | ||
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| #import "NSObject+DebugDescription.h" | ||
| #import <objc/runtime.h> | ||
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| @implementation NSObject (DebugDescription) | ||
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| - (NSString *)description { | ||
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| if ([self isKindOfClass:[NSArray class]] | ||
| || [self isKindOfClass:[NSDictionary class]] | ||
| || [self isKindOfClass:[NSNumber class]] | ||
| || [self isKindOfClass:[NSString class]]) { | ||
| return self.description; | ||
| } | ||
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| return [self debugDescription]; | ||
| } | ||
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| - (NSString *)debugDescription { | ||
| if ([self isKindOfClass:[NSArray class]] | ||
| || [self isKindOfClass:[NSDictionary class]] | ||
| || [self isKindOfClass:[NSNumber class]] | ||
| || [self isKindOfClass:[NSString class]]) { | ||
| return self.debugDescription; | ||
| } | ||
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| // 初始化一个字典 | ||
| NSMutableDictionary *dic = [NSMutableDictionary dictionary]; | ||
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| // 得到当前 Class 的所有属性 | ||
| uint count; | ||
| objc_property_t *properties = class_copyPropertyList([self class], &count); | ||
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| // 利用KVC获取属性值 | ||
| for (int i = 0; i < count; i++) { | ||
| objc_property_t property = properties[i]; | ||
| NSString *name = @(property_getName(property)); | ||
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| // 设置一个默认值。 | ||
| id value = [self valueForKey:name]?:@"nil"; | ||
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| [dic setObject:value forKey:name]; | ||
| } | ||
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| free(properties); | ||
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| return [NSString stringWithFormat:@"<%@: %p> -- %@", [self class], self, dic]; | ||
| } | ||
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| @end |