IOS json 解析遇到错误问题解决办法

作者：袖梨 2022-06-25

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的时候都是标准格式，json数据当中没有 n r t 等制表符。

今天在解析的时候发现json解析时好时坏，用在线json解析也米有问题。找了半天终于发现是制表符在作怪，由于标准的json解析是不允许有这几个制表符的。所以在收到保温的时候我们需要把这几个制表符给过滤掉。

 

 代码如下复制代码

NSString * responseString = [request responseString];

 

responseString = [responseString stringByReplacingOccurrencesOfString:@"rn"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:[NSDictionaryclass]]) {

 

if(userInfo) {

 

[userArr release];

 

}

 

userInfo = (NSDictionary*)returnObject;

 

}

 

elseif([returnObject isKindOfClass:[NSArrayclass]]) {

 

userArr = (NSArray*)returnObject;

 

}

 

NSError* e = nil;

//系统自带的解析方式。

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

 

if(e) {

 

NSLog(@"%@",e);

 

}

 

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