Ios 额外参数';错误';随时待命
我在调用中收到此错误Ios 额外参数';错误';随时待命,ios,json,swift,nserror,do-catch,Ios,Json,Swift,Nserror,Do Catch,我在调用中收到此错误额外参数“error” 上下文中的代码 var post:NSString = "name=\(Username)&email=\(Email)&phone=\(phonenumb)&password=\(Password)&address=\(address)" NSLog("PostData: %@",post); var url:NSURL = NSURL(string: "http://userregistra
额外参数“error”
上下文中的代码
var post:NSString = "name=\(Username)&email=\(Email)&phone=\(phonenumb)&password=\(Password)&address=\(address)"
NSLog("PostData: %@",post);
var url:NSURL = NSURL(string: "http://userregistration.php")!
var postData:NSData = post.dataUsingEncoding(NSASCIIStringEncoding)!
var postLength:NSString = String( postData.length )
var request:NSMutableURLRequest = NSMutableURLRequest(URL: url)
request.HTTPMethod = "POST"
request.HTTPBody = postData
request.setValue(postLength as String, forHTTPHeaderField: "Content-Length")
request.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
request.setValue("application/json", forHTTPHeaderField: "Accept")
var reponseError: NSError?
var response: NSURLResponse?
var urlData: NSData? = NSURLConnection.sendSynchronousRequest(request, returningResponse:&response, error:&reponseError)
if ( urlData != nil ) {
let res = response as! NSHTTPURLResponse!;
NSLog("Response code: %ld", res.statusCode);
if (res.statusCode >= 200 && res.statusCode < 300)
{
var responseData:NSString = NSString(data:urlData!, encoding:NSUTF8StringEncoding)!
NSLog("Response ==> %@", responseData);
var error: NSError?
let jsonData:NSDictionary = NSJSONSerialization.JSONObjectWithData(urlData!, options:NSJSONReadingOptions.MutableContainers , error: &error) as NSDictionary
let success:NSInteger = jsonData.valueForKey("success") as! NSInteger
//[jsonData[@"success"] integerValue];
NSLog("Success: %ld", success);
if(success == 1)
{
NSLog("Sign Up SUCCESS");
self.dismissViewControllerAnimated(true, completion: nil)
} else {
var error_msg:NSString
if jsonData["error_message"] as? NSString != nil {
error_msg = jsonData["error_message"] as! NSString
} else {
error_msg = "Unknown Error"
}
var alertView:UIAlertView = UIAlertView()
alertView.title = "Sign Up Failed!"
alertView.message = error_msg as String
alertView.delegate = self
alertView.addButtonWithTitle("OK")
alertView.show()
}
} else {
var alertView:UIAlertView = UIAlertView()
alertView.title = "Sign Up Failed!"
alertView.message = "Connection Failed"
alertView.delegate = self
alertView.addButtonWithTitle("OK")
alertView.show()
}
} else {
var alertView:UIAlertView = UIAlertView()
alertView.title = "Sign in Failed!"
alertView.message = "Connection Failure"
if let error = reponseError {
alertView.message = (error.localizedDescription)
}
alertView.delegate = self
alertView.addButtonWithTitle("OK")
alertView.show()
}
第二个
我试过以下方法
do {
if let jsonResult = try NSJSONSerialization.JSONObjectWithData(data, options: []) as? NSDictionary {
print(jsonResult)
}
} catch let error as NSError {
print(error.localizedDescription)
}
但我的结果是一个错误,如下所示
使用未解析的jsonData
现在有谁能帮我用上面的原始代码添加这个do catch来纠正错误。更改
var urlData: NSData? = NSURLConnection.sendSynchronousRequest(request, returningResponse:&response, error:&reponseError)
与
改变
let jsonData:NSDictionary = NSJSONSerialization.JSONObjectWithData(urlData!, options:NSJSONReadingOptions.MutableContainers , error: &error) as NSDictionary
与
您的完整代码为:
let url:NSURL = NSURL(string: "http://userregistration.php")!
let postData:NSData = post.dataUsingEncoding(NSASCIIStringEncoding)!
let postLength:NSString = String( postData.length )
let request:NSMutableURLRequest = NSMutableURLRequest(URL: url)
request.HTTPMethod = "POST"
request.HTTPBody = postData
request.setValue(postLength as String, forHTTPHeaderField: "Content-Length")
request.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
request.setValue("application/json", forHTTPHeaderField: "Accept")
let reponseError: NSError?
var response: NSURLResponse?
do {
let urlData = try? NSURLConnection.sendSynchronousRequest(request, returningResponse: &response)
if ( urlData != nil ) {
let res = response as! NSHTTPURLResponse!;
NSLog("Response code: %ld", res.statusCode);
if (res.statusCode >= 200 && res.statusCode < 300)
{
let responseData:NSString = NSString(data:urlData!, encoding:NSUTF8StringEncoding)!
NSLog("Response ==> %@", responseData);
do {
let jsonData = try NSJSONSerialization.JSONObjectWithData(urlData!, options: []) as! NSDictionary
let success:NSInteger = jsonData.valueForKey("success") as! NSInteger
//[jsonData[@"success"] integerValue];
NSLog("Success: %ld", success);
if(success == 1)
{
NSLog("Sign Up SUCCESS");
self.dismissViewControllerAnimated(true, completion: nil)
} else {
var error_msg:NSString
if jsonData["error_message"] as? NSString != nil {
error_msg = jsonData["error_message"] as! NSString
} else {
error_msg = "Unknown Error"
}
let alertView:UIAlertView = UIAlertView()
alertView.title = "Sign Up Failed!"
alertView.message = error_msg as String
alertView.delegate = self
alertView.addButtonWithTitle("OK")
alertView.show()
}
} catch let error as NSError {
print("json error: \(error.localizedDescription)")
}
} else {
let alertView:UIAlertView = UIAlertView()
alertView.title = "Sign Up Failed!"
alertView.message = "Connection Failed"
alertView.delegate = self
alertView.addButtonWithTitle("OK")
alertView.show()
}
}
}
let url:NSURL=NSURL(字符串:http://userregistration.php")!
让postData:NSData=post.dataUsingEncoding(NSASCIIStringEncoding)!
让postLength:NSString=String(postData.length)
let请求:NSMutableURLRequest=NSMutableURLRequest(URL:URL)
request.HTTPMethod=“POST”
request.HTTPBody=postData
setValue(postLength为字符串,forHTTPHeaderField:“内容长度”)
request.setValue(“application/x-www-form-urlencoded”,forHTTPHeaderField:“内容类型”)
request.setValue(“application/json”,forHTTPHeaderField:“Accept”)
让我们回复错误:N错误?
var响应:nsurresponse?
做{
让urlData=try?NSURLConnection.sendSynchronousRequest(请求、返回响应:&response)
if(urlData!=nil){
让res=响应为!NSHTTPURLResponse!;
NSLog(“响应代码:%ld”,res.statusCode);
如果(res.statusCode>=200&&res.statusCode<300)
{
让responseData:NSString=NSString(数据:urlData!,编码:NSUTF8StringEncoding)!
NSLog(“响应==>%@”,响应数据);
做{
让jsonData=try NSJSONSerialization.JSONObjectWithData(urlData!,选项:[])作为!NSDictionary
让success:NSInteger=jsonData.valueForKey(“success”)作为!NSInteger
//[jsonData[@“success”]integerValue];
NSLog(“成功:%ld”,成功);
如果(成功==1)
{
NSLog(“注册成功”);
self.dismissViewControllerAnimated(真,完成:无)
}否则{
var错误消息:NSString
如果jsonData[“错误消息”]为?NSString!=nil{
error\u msg=jsonData[“error\u message”]as!NSString
}否则{
错误\u msg=“未知错误”
}
让alertView:UIAlertView=UIAlertView()
alertView.title=“注册失败!”
alertView.message=错误消息为字符串
alertView.delegate=self
alertView.addButtonWithTitle(“确定”)
alertView.show()
}
}将let错误捕获为NSError{
打印(“json错误:\(error.localizedDescription)”)
}
}否则{
让alertView:UIAlertView=UIAlertView()
alertView.title=“注册失败!”
alertView.message=“连接失败”
alertView.delegate=self
alertView.addButtonWithTitle(“确定”)
alertView.show()
}
}
}
您应该知道,NSURLConnection
已被弃用。请使用NSURLSession
支持新版iOS。以下是代码:
func postRequestWithFormData(strUrl: String, param: NSDictionary?, completionHandler: (responseData: NSDictionary?, error: NSError?) -> ()) -> (){
if isConnectedToNetwork(){
let url = NSURL(string: strUrl)!
let config = NSURLSessionConfiguration.defaultSessionConfiguration()
let session = NSURLSession(configuration: config)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "POST"
request.cachePolicy = NSURLRequestCachePolicy.ReloadIgnoringCacheData
var paramString = String()
for (key, value) in param! {
paramString = paramString + (key as! String) + "=" + (value as! String) + "&"
}
request.HTTPBody = paramString.dataUsingEncoding(NSUTF8StringEncoding)
let task = session.dataTaskWithRequest(request) {data, response, error -> Void in
dispatch_async(dispatch_get_main_queue(), { () -> Void in
do{
if data != nil{
let json = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.AllowFragments) as? NSDictionary
if let parseJSON = json {
// Parsed JSON
completionHandler(responseData: parseJSON, error: nil)
}
else {
// Woa, okay the json object was nil, something went worng. Maybe the server isn't running?
let jsonStr = NSString(data: data!, encoding: NSUTF8StringEncoding)
#if DEBUG
print("Error could not parse JSON: \(jsonStr)")
#endif
}
}else{
completionHandler(responseData: nil, error: error)
}
}catch let error as NSError{
print(error.localizedDescription)
completionHandler(responseData: nil, error: error)
}
})
}
task.resume()
}else{
//Alert No Internet Connection
}
}
如果您仍然面临任何错误,请告诉我
用法
如何在我的按钮操作clikc上调用此函数
let jsonData:NSDictionary = NSJSONSerialization.JSONObjectWithData(urlData!, options:NSJSONReadingOptions.MutableContainers , error: &error) as NSDictionary
let jsonData = try NSJSONSerialization.JSONObjectWithData(urlData!, options: []) as! NSDictionary
let url:NSURL = NSURL(string: "http://userregistration.php")!
let postData:NSData = post.dataUsingEncoding(NSASCIIStringEncoding)!
let postLength:NSString = String( postData.length )
let request:NSMutableURLRequest = NSMutableURLRequest(URL: url)
request.HTTPMethod = "POST"
request.HTTPBody = postData
request.setValue(postLength as String, forHTTPHeaderField: "Content-Length")
request.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
request.setValue("application/json", forHTTPHeaderField: "Accept")
let reponseError: NSError?
var response: NSURLResponse?
do {
let urlData = try? NSURLConnection.sendSynchronousRequest(request, returningResponse: &response)
if ( urlData != nil ) {
let res = response as! NSHTTPURLResponse!;
NSLog("Response code: %ld", res.statusCode);
if (res.statusCode >= 200 && res.statusCode < 300)
{
let responseData:NSString = NSString(data:urlData!, encoding:NSUTF8StringEncoding)!
NSLog("Response ==> %@", responseData);
do {
let jsonData = try NSJSONSerialization.JSONObjectWithData(urlData!, options: []) as! NSDictionary
let success:NSInteger = jsonData.valueForKey("success") as! NSInteger
//[jsonData[@"success"] integerValue];
NSLog("Success: %ld", success);
if(success == 1)
{
NSLog("Sign Up SUCCESS");
self.dismissViewControllerAnimated(true, completion: nil)
} else {
var error_msg:NSString
if jsonData["error_message"] as? NSString != nil {
error_msg = jsonData["error_message"] as! NSString
} else {
error_msg = "Unknown Error"
}
let alertView:UIAlertView = UIAlertView()
alertView.title = "Sign Up Failed!"
alertView.message = error_msg as String
alertView.delegate = self
alertView.addButtonWithTitle("OK")
alertView.show()
}
} catch let error as NSError {
print("json error: \(error.localizedDescription)")
}
} else {
let alertView:UIAlertView = UIAlertView()
alertView.title = "Sign Up Failed!"
alertView.message = "Connection Failed"
alertView.delegate = self
alertView.addButtonWithTitle("OK")
alertView.show()
}
}
}
func postRequestWithFormData(strUrl: String, param: NSDictionary?, completionHandler: (responseData: NSDictionary?, error: NSError?) -> ()) -> (){
if isConnectedToNetwork(){
let url = NSURL(string: strUrl)!
let config = NSURLSessionConfiguration.defaultSessionConfiguration()
let session = NSURLSession(configuration: config)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "POST"
request.cachePolicy = NSURLRequestCachePolicy.ReloadIgnoringCacheData
var paramString = String()
for (key, value) in param! {
paramString = paramString + (key as! String) + "=" + (value as! String) + "&"
}
request.HTTPBody = paramString.dataUsingEncoding(NSUTF8StringEncoding)
let task = session.dataTaskWithRequest(request) {data, response, error -> Void in
dispatch_async(dispatch_get_main_queue(), { () -> Void in
do{
if data != nil{
let json = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.AllowFragments) as? NSDictionary
if let parseJSON = json {
// Parsed JSON
completionHandler(responseData: parseJSON, error: nil)
}
else {
// Woa, okay the json object was nil, something went worng. Maybe the server isn't running?
let jsonStr = NSString(data: data!, encoding: NSUTF8StringEncoding)
#if DEBUG
print("Error could not parse JSON: \(jsonStr)")
#endif
}
}else{
completionHandler(responseData: nil, error: error)
}
}catch let error as NSError{
print(error.localizedDescription)
completionHandler(responseData: nil, error: error)
}
})
}
task.resume()
}else{
//Alert No Internet Connection
}
}
postRequestWithFormData(appConstants.BASEURL + appConstants.API_USER_SIGN_IN, param: paramaters) { (responseData, error) in
if responseData != nil && error == nil{
if responseData!.valueForKey("response_status") as! String == "0"{
helperInstance.showSingleAlert(responseData!.valueForKey("message") as! String)
}else if responseData!.valueForKey("response_status") as! String == "1"{
//Getting Data
}
}else if error != nil{
//Error Received
}
}