基本上,我有这个if语句:
NSString *loginResult = [resultsArray valueForKey:@"statusMsg"];
if ([loginResult isEqualToString:@"success"])
{
[self successDialog]; // Success
}
else
{
[self failedDialog]; // Failed
}
如果成功,这是解析的 JSON:
{"results":{"statusMsg":"success"}}
如果失败,解析的 JSON 会有所不同:
{"results":{"statusMsg":"password incorrect."}}
我想将键状态Msg返回的字符串值传递给failedDialog方法中的警报视图。失败的对话框方法定义为:
- (void)failedDialog:(NSString *)errorMessage
{
UIAlertView *dialog = [[UIAlertView alloc] initWithTitle:kRegFailed
message:errorMessage
delegate:self
cancelButtonTitle:kOK
otherButtonTitles:nil, nil];
dialog.tag = 2;
[dialog show];
}
我该怎么做,以便警报视图将返回错误消息。啪!
想知道如果你
的结果数组是NSArray对象,你为什么要这样做
NSString *loginResult = [resultsArray valueForKey:@"statusMsg"];
把它放在你的头文件中
- (void)failedDialog:(NSString *)errorMessage;
试试这个,假设你的 jsonDict = { "results" :{ "statusMsg" : "password incorrect." } }
[self failedDialog:[NSString stringWithString:[[jsonDict objectForKey:@"results"]objectForKey:@"statusMsg"]]];
编辑:
NSDictionary *jsonDictionary = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&error];
NSString *loginResult = [[jsonDictionary objectForKey:@"results"] objectForKey:@"statusMsg"];
if ([loginResult isEqualToString:@"success"])
{
[self successDialog]; // Success
}
else
{
[self failedDialog:loginResult]; // Failed
}