如何连接Web服务并获取json数据?

时间:2014-02-07 08:31:44

标签: iphone web-services ios7 xcode5

当我连接到返回Json字符串的Web服务时,它会像XML一样返回它们:

2014-02-07 00:17:15.673 Test[791:70b] <\?xml version="1.0" encoding="utf-8"?>
<\string xmlns="MBSCafe.Service.ServiceManager">{"query": [{"ID": "01","Name": "food"}]}<\/string>

相反,我想要这个:

{"query": [{"ID": "01","Name": "food"}]}

这是我的代码部分:

NSString *urlString = @"http://mbsserver/MBSCafeService/ServiceManager.asmx/GetItemTypeList";
NSURL *url = [NSURL URLWithString:urlString];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod: @"POST"];
[request setValue:@"application/json; charset=utf-8" forHTTPHeaderField:@"Accept"];
NSString *myRequestString = @"id="; // Attention HERE!!!!
myRequestString = [myRequestString stringByAppendingString:@"01"];
NSData *requestData = [NSData dataWithBytes:[myRequestString UTF8String] length:[myRequestString length]];
[request setHTTPBody: requestData];

它出了什么问题?

2 个答案:

答案 0 :(得分:0)

首先确保服务器以json格式返回响应,您可以通过fidder或其他Firefox,Chrome插件检查

答案 1 :(得分:0)

使用名为“HTTP resource test”的firefox插件测试您的网络服务,在那里指定您的参数并查看您获得的响应。您可以使用firefox->tools->HTTP resource test找到此插件。