flickr json iphone 中的错误

Question

我正在关注这个针对 flickr 和 iphone 的教程 我有一把钥匙，只需使用下载的代码， 我在模拟器中出现空白屏幕，并在控制台中出现以下错误，

[Session started at 2011-03-02 16:06:53 +1100.]
  2011-03-02 16:06:57.158 JSONFlickr[10188:207] -JSONValue failed. Error trace is: (
 “Error Domain=org.brautaset.JSON.ErrorDomain Code=6 \”Missing hex digit in quad\”    UserInfo=0x4e3ade0 {NSLocalizedDescription=Missing hex digit in quad}”,
  “Error Domain=org.brautaset.JSON.ErrorDomain Code=6 \”Missing hex quad\”  UserInfo=0x4e39a20 {NSUnderlyingError=0x4e39880 \”Missing hex digit in quad\”,   NSLocalizedDescription=Missing hex quad}”,
 “Error Domain=org.brautaset.JSON.ErrorDomain Code=6 \”Broken unicode character\”  UserInfo=0x4e39820 {NSUnderlyingError=0x4e09520 \”Missing hex quad\”,  NSLocalizedDescription=Broken unicode character}”,
 “Error Domain=org.brautaset.JSON.ErrorDomain Code=3 \”Object value expected for key:  title\” UserInfo=0x4e07f20 {NSUnderlyingError=0x4e399a0 \”Broken unicode character\”,  NSLocalizedDescription=Object value expected for key: title}”,
“Error Domain=org.brautaset.JSON.ErrorDomain Code=3 \”Expected value while parsing  array\” UserInfo=0x4e07030 {NSUnderlyingError=0x4e09260 \”Object value expected for key:  title\”, NSLocalizedDescription=Expected value while parsing array}”,
“Error Domain=org.brautaset.JSON.ErrorDomain Code=3 \”Object value expected for key: photo\” UserInfo=0x4e3ba70 {NSUnderlyingError=0x4e397a0 \”Expected value while parsing array\”, NSLocalizedDescription=Object value expected for key: photo}”,
 “Error Domain=org.brautaset.JSON.ErrorDomain Code=3 \”Object value expected for key: photos\” UserInfo=0x4e04dc0 {NSUnderlyingError=0x4e34990 \”Object value expected for key: photo\”, NSLocalizedDescription=Object value expected for key: photos}”
)
2011-03-02 16:06:57.162 JSONFlickr[10188:207] -JSONValue failed. Error trace is: (
“Error Domain=org.brautaset.JSON.ErrorDomain Code=10 \”Garbage after JSON\” UserInfo=0x4e30cb0 {NSLocalizedDescription=Garbage after JSON}”
 )

所以您猜我正在学习 json，并且不明白这些错误的含义！，所以提前致谢！

Answer 1

很明显，您输入解析器的 JSON 字符串是垃圾。查看错误消息，我想说这可能是由于使用了不正确的字符串编码引起的。您可能期望它是 UTF-8 并得到其他内容（反之亦然）。