IOS之Foundation之探究学习Swift实用基础整理<一>
1 import Foundation 2 3 //加载网络数据，查找数据的字符串 4 let dataurl = "http://api.k780.com:88/?app=weather.city&&appkey=10003&sign=b59bc3ef6191eb9f747dd4e83c99f2a4&format=json" 5 var url = NSURL(string: dataurl) 6 var httpData = NSData(contentsOfURL: url!) 7 //println(httpData) //输出来都是数字 字节码 8 var httpstr = NSString(data: httpData!, encoding: NSUTF8StringEncoding) 9 //println(httpstr) //转为NSString就是 可观的数据了。 10 let subRange = httpstr?.rangeOfString("玉山") 11 println("\(subRange!.location) 和 \(subRange!.length)") 12 13 var findRange = NSMakeRange(subRange!.location-33, 76) 14 var findStr = httpstr!.substringWithRange(findRange) 15 println(findStr) 16 17 //读取本地文件 18 let path = "/Users/HeYang/Desktop/file.txt" 19 var findfileStr = String(contentsOfFile: path, encoding: NSUTF8StringEncoding, error: nil) 20 var nsfindfileStr = NSString(string: findfileStr!)//转为NSString类型 21 println(nsfindfileStr)
运行结果：
