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发POST请求,需要用到专门的类:
#import "ASI/ASIFormDataRequest.h"
示例代码:
// 设置url
NSURL *url = [NSURL URLWithString:@"http://api.openweathermap.org/data/2.5/weather"];
// 设置请求
self.postRequest = [ASIFormDataRequest requestWithURL:url];
[self.postRequest addPostValue:@35 forKey:@"lat"];
[self.postRequest addPostValue:@139 forKey:@"lon"];
// [self.postRequest setPostValue:@40 forKey:@"lat"]; setPostValue,会把35的值覆盖
// [self.postRequest addPostValue:@41 forKey:@"lat"]; addPostValue,不会覆盖35的值,会产生1个新值41
[self.postRequest setCompletionBlock:^{
NSLog(@"请求完毕");
}];
// 发起请求
[self.request startAsynchronous];
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原文地址:http://www.cnblogs.com/oumygade/p/4249313.html