objective-c - UItextFields 数据转 JSON

Question

我有两个 UItextFields，userNameTextField 和 passwordTextField 以及一个 UIbutton 连接。我想知道用户在 userNametextField 和 passwordTextField 中输入的内容，请问我该怎么做？感谢您的回答。

#pragma mark - User auhtentification
-(IBAction)userAuthentificate{
    BOOL loginValid = YES;
    BOOL passwordValid = YES;   // Not specified yet

    // contrioll d'interfac__ on test login et password
    if (loginValid && passwordValid) {

    NSString *jsonRequest = @"{\"login\":\"Samir\",\"password\":\"test\",\"mail\":\"test@gmail.com\"}";


        //  NSString *jsonRequest = @"{\"login\":\"Samir\",\"password\":\"test\",\"mail\":\"samir@gmail.com\",\"editor\":\"1\"}";


        NSString *request_url =@"http:.../register"; // Url WS
        NSURL *url = [NSURL URLWithString:request_url];
        self.currentRequest = [ASIFormDataRequest requestWithURL:url];
        currentRequest.delegate =self;
        NSData *requestData = [NSData dataWithBytes:[jsonRequest UTF8String] length:[jsonRequest length]];
        [self.currentRequest appendPostData:requestData];
        [self.currentRequest setRequestMethod:@"POST"];

        [self.currentRequest startSynchronous];
    }
}

Answer 1

你可以把这样的东西放在你的jsonRequest字符串的地方（代码使用SBJson框架）：

NSDictionary *container = [[NSDictionary alloc] initWithObjectsAndKeys:
                            [loginTextField text], @"login",
                            [passwordTextField text], @"password",
                            [mailTextField text], @"mail"];

NSString *jsonString = [container JSONRepresentation];
// don't forget to release container if not using ARC AFTER creating the NSData object

Answer 2

简单的字符串替换怎么样？

NSString *jsonRequest = [NSString stringWithFormat:@"{\"login\":\"%@\",\"password\":\"%@\",\"mail\":\"%@\"}", userNameTextField.text, passwordTextField.text, emailtextField.text];

Answer 3

采用

NSString *jsonRequest = [NSString stringWithFormat:@"{\"login\":\""%@"\",\"password\":\""%@"\",\"mail\":\"test@gmail.com\"}",userNameTextField.text,passwordTextField.text];