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IOS json 解析遇到錯(cuò)誤問(wèn)題解決辦法

 更新時(shí)間：2017年01月17日 08:55:25   投稿：lqh  
這篇文章主要介紹了iOS json 解析遇到error： Error Domain=NSCocoaErrorDomain Code=3840 "The operation couldn’t be completed.解決辦法,需要的朋友可以參考下

概要：

Error Domain=NSCocoaErrorDomain Code=3840 "The operation couldn't be completed. (Cocoa error 3840.)" (Unescaped control character around character 1419.) UserInfo=0x1563cdd0 {NSDebugDescription=Unescaped control character around character 1419.}

之前解析json的時(shí)候都是標(biāo)準(zhǔn)格式，json數(shù)據(jù)當(dāng)中沒(méi)有 \n \r \t 等制表符。

今天在解析的時(shí)候發(fā)現(xiàn)json解析時(shí)好時(shí)壞，用在線json解析也米有問(wèn)題。找了半天終于發(fā)現(xiàn)是制表符在作怪，由于標(biāo)準(zhǔn)的json解析是不允許有這幾個(gè)制表符的。所以在收到保溫的時(shí)候我們需要把這幾個(gè)制表符給過(guò)濾掉。

NSString * responseString = [request responseString];

responseString = [responseString stringByReplacingOccurrencesOfString:@"\r\n" withString:@""];

responseString = [responseString stringByReplacingOccurrencesOfString:@"\n" withString:@""];

responseString = [responseString stringByReplacingOccurrencesOfString:@"\t" withString:@""];

NSLog(@"responseString = %@",responseString);

SBJsonParser *parser = [[[SBJsonParser alloc]init] autorelease];

id returnObject = [parser objectWithString:responseString];

NSDictionary *userInfo = nil;

NSArray *userArr = nil;

if ([returnObject isKindOfClass:[NSDictionary class]]) {

if (userInfo) {

[userArr release];

}

userInfo = (NSDictionary*)returnObject;

}

else if ([returnObject isKindOfClass:[NSArray class]]) {

userArr = (NSArray*)returnObject;

}

NSError* e = nil;

//系統(tǒng)自帶的解析方式。

NSDictionary * userInfo = [NSJSONSerialization JSONObjectWithData:[jsonString dataUsingEncoding:NSUTF8StringEncoding] options:NSJSONReadingMutableLeaves error:&e];

if (e) {

NSLog(@"%@",e);

}

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