添加 + (NSArray *)findValuesforKey:(NSString *)key; 方法 查询 某个键 对应表中的…

[wuyaomin]

…所有值的数组

[FQDEVER]

/**

• 获取该类的所有属性
  */

• (NSDictionary *)getPropertys
  {
  NSMutableArray *proNames = [NSMutableArray array];
  NSMutableArray *proTypes = [NSMutableArray array];
  NSArray *theTransients = [[self class] transients];

  unsigned int outCount, i;
  Class class = [self class];

  while (class != [JKDBModel class]) {

    objc_property_t *properties = class_copyPropertyList(class, &outCount);
    for (i = 0; i < outCount; i++) {
        objc_property_t property = properties[i];
        //获取属性名
        NSString *propertyName = [NSString stringWithCString:property_getName(property) encoding:NSUTF8StringEncoding];
        if ([theTransients containsObject:propertyName]) {
            continue;
        }
        [proNames addObject:propertyName];
        //获取属性类型等参数
        NSString *propertyType = [NSString stringWithCString: property_getAttributes(property) encoding:NSUTF8StringEncoding];
        /*
         各种符号对应类型，部分类型在新版SDK中有所变化，如long 和long long
         c char         C unsigned char
         i int          I unsigned int
         l long         L unsigned long
         s short        S unsigned short
         d double       D unsigned double
         f float        F unsigned float
         q long long    Q unsigned long long
         B BOOL
         @ 对象类型 //指针 对象类型 如NSString 是@“NSString”
         
         
         64位下long 和long long 都是Tq
         SQLite 默认支持五种数据类型TEXT、INTEGER、REAL、BLOB、NULL
         因为在项目中用的类型不多，故只考虑了少数类型
         */
        if ([propertyType hasPrefix:@"T@\"NSString\""]) {
            [proTypes addObject:SQLTEXT];
        } else if ([propertyType hasPrefix:@"T@\"NSData\""]) {
            [proTypes addObject:SQLBLOB];
        } else if ([propertyType hasPrefix:@"Ti"]||[propertyType hasPrefix:@"TI"]||[propertyType hasPrefix:@"Ts"]||[propertyType hasPrefix:@"TS"]||[propertyType hasPrefix:@"TB"]||[propertyType hasPrefix:@"Tq"]||[propertyType hasPrefix:@"TQ"]) {
            [proTypes addObject:SQLINTEGER];
        } else {
            [proTypes addObject:SQLREAL];
        }
        
    }
    free(properties);
    
    class = [class superclass];
  

  }

  return [NSDictionary dictionaryWithObjectsAndKeys:proNames,@"name",proTypes,@"type",nil];
  }

查询所有属性.包含父类的