Lost_the_wind的博客

1、创建常量字符串NSString *astring = @"This is a String!";  2、创建空字符串，再给予赋值NSString *astring = [[NSString alloc] init]; astring = @"This is a String!"; [astring release]; NSLog(@"astring:%@",astr...

有时候网络请求会异常，比如报错：NSURLConnection finished with error - code -1002Response failed, error buffer: unsupported URL 处理方法:iOS 8 要用utf8转码：urlString = [urlString stringByAddingPercentEscapesUsingE...