//值为null时
+(id)nullToString:(NSObject *)string{
if(string==nil){
return @"";
}
if([string isEqual:[NSNull null]]){
return @"";
}
return string;
}
//数据处理
+(id)conversationObject:(NSObject *)jsonData{
if ([jsonData isKindOfClass:[NSDictionary class]]) {
return [self conversationDictionary:(NSDictionary *)jsonData];
} else if([jsonData isKindOfClass:[NSArray class]]) {
return [self conversationArray:(NSArray *)jsonData];
} else{
return [self nullToString:jsonData];
}
}
//字典处理
+(NSDictionary *)conversationDictionary:(NSDictionary *)dic{
NSMutableDictionary *muDic = [NSMutableDictionary dictionaryWithDictionary:dic];
for (NSString *key in dic.allKeys) {
if ([[dic objectForKey:key] isKindOfClass:[NSDictionary class]]) {
[muDic setObject:[self conversationDictionary:[dic objectForKey:key]] forKey:key];
} else if([[dic objectForKey:key] isKindOfClass:[NSArray class]]) {
[muDic setObject:[self conversationArray:[dic objectForKey:key]] forKey:key];
} else {
[muDic setObject:[self nullToString:[dic objectForKey:key]] forKey:key];
}
}
return muDic;
}
//数组处理
+(NSArray *)conversationArray:(NSArray *)array{
NSMutableArray *muArr = [NSMutableArray arrayWithArray:array];
for (int i = 0;i<array.count ;i++) {
if ([[array objectAtIndex:i] isKindOfClass:[NSDictionary class]]) {
[muArr replaceObjectAtIndex:i withObject:[self conversationDictionary:[array objectAtIndex:i]]];
} else if([[array objectAtIndex:i] isKindOfClass:[NSArray class]]) {
[muArr replaceObjectAtIndex:i withObject:[self conversationArray:[array objectAtIndex:i]]];
}else{
[muArr replaceObjectAtIndex:i withObject:[self nullToString:[array objectAtIndex:i]]];
}
}
return muArr;
}
iOS json数据null的处理
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转载自blog.csdn.net/zhjw1991/article/details/82754562
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