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PHP JSON和Swift JSON的一些問題。請幫我弄清楚多餘的空間,\ n和其他的東西。爲什麼輸出不是一個乾淨的連續字符串。我不需要漂亮的打印或任何東西。php json_encode&newline,swift JSONSerialization導致奇怪的輸出
PHP:
$sql = "SELECT * FROM entries";
$stmt = $db->prepare($sql);
$stmt->execute();
$entries = $stmt->fetchAll(PDO::FETCH_OBJ);
$db = null;
echo '{"root":'.json_encode($entries).'}';
斯威夫特:
var request : NSMutableURLRequest = NSMutableURLRequest()
request.URL = NSURL(string: url)
request.HTTPMethod = "GET"
NSURLConnection.sendAsynchronousRequest(request, queue: NSOperationQueue(), completionHandler:{ (response:NSURLResponse!, data: NSData!, error: NSError!) -> Void in
var error: NSError?
let jsonResult = NSJSONSerialization.JSONObjectWithData(data, options:NSJSONReadingOptions.AllowFragments, error: &error) as? NSDictionary
if (jsonResult != nil) {
println(jsonResult?.description)
} else {
println(jsonResult?.description)
}
控制檯輸出:
Optional("{\n root = (\n {\n id = 1;\n text = \"Test Entry\";\n },\n {\n id = 2;\n text = \"Test Entry 2\";\n }\n );\n}")
數據庫:
而是在一個可選的包裝吧,解開可選(? vs!) – ccwasden 2014-09-12 23:15:14
完美!謝謝。 – 2014-09-12 23:17:49