Comments (11)
杰哥,我们拿到服务器的JSON数据后如何快速定义属性,有没有可以直接吧Json转换为Model的工具(非运行时,代码转换)
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不能调为NSArray么?NSSet是无须的哦,应该满足不了一般的需求吧?像显示在表格上的数据都是有序的哈
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杰哥,我是个coredata新手啊,不知core data怎么生成nsarray的属性呢?
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你可以通过fetchRequest来获取entity的数组
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
NSEntityDescription *entity = [NSEntityDescription entityForName:@"yourEntityName" inManagedObjectContext:self.managedObjectContext];
[fetchRequest setEntity:entity];
NSError *error = nil;
NSArray *result = [self.managedObjectContext executeFetchRequest:fetchRequest error:&error];
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暂时没发现有这样的工具哈。我看看可以考虑以后做个Xcode插件,哈哈。
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在C#和JAVA上就有很方便的转换工具,不用自己一个一个敲
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也可以自己写个OC程序去转换:字符串解析和字符串写入操作
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恩,只是自己太懒了,有空试写一下
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在CoreData 里面经常会使用到Set 发现在配合CoreData使用时非常麻烦 必须苹果建议所有的关系都要inverse 无法满足需求
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杰哥求支持NSSet 55555555555
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杰哥,我们拿到服务器的JSON数据后如何快速定义属性,有没有可以直接吧Json转换为Model的工具(非运行时,代码转换)
这个网上很多,自己动手搜一下就有
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Related Issues (20)
- Object -> JSON 时, 没有校验 JSON 是否有效, 做出详细处理
- CoreData 设置 `inverse` 后, `to JSON` 会导致无限循环
- 字典 转 JSONString Crash HOT 6
- +[NSObject(Property) mj_enumerateProperties:] 崩溃 HOT 6
- swift 与 oc 混合,数据是嵌套数组 使用 mj_objectClassInArray 该方法无效,这个怎么解决呢? HOT 2
- 友盟上偶现的一个崩溃信息 ,[MJProperty valueForObject:] + [MJProperty.m : 78],一直排查不到 HOT 14
- 模型转字典,出现问题了 HOT 1
- -[MJProperty setValue:forObject:] + [MJProperty.m : 98] HOT 2
- `
- 4.0.0 版本模型数组转数组时,模型数组有值,使用- (id)mj_JSONObjectWithKeys:(NSArray *)keys 后转化的值为nil HOT 3
- 设置属性缺省值的功能? HOT 1
- iOS 17 上面海量崩溃 HOT 2
- 如果服务器返回double,如0.94,用字符串接收,会变成0.939999999,精度丢失,麻烦看一下 HOT 1
- 不支持二维数组json对象转换为模型
- 父类、子类中都存在嵌套模型的数组,该如何处理 HOT 1
- iOS 17.0.3上,模型中存在UIImange属性且有值时,模型转字典崩溃。 HOT 2
- 1
- 在bugly上崩溃次数较多的问题,没有排查到什么问题
- 关于ios.deployment_target最低版本 HOT 2
- MJ_LOCK 造成线程优先级倒置 HOT 1
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