最近被安排了一項在 IOS 下 POS T數據的任務,在 Google 的幫助下總算是作出來了。網上的教程不全、亂、缺乏一個全方位適合初級開發者的教程。ios
用 vim 命令新建一個文件 Podfilegit
輸入命令 vim Podfilegithub
按下 i 鍵,進入輸入模式
內容爲:json
platform :ios pod 'ASIHTTPRequest'
按下 esc 進入命令模式,連按兩次大寫的 Z 保存並退出 vimvim
輸入命令 pod install 等待 出現xcode
[!] From now on use Demo.xcworkspace.ruby
在 finder 中打開 xcworkspace 來開啓工程(進行此操做最好先把 Xcode 關閉,否則會看到「xxx 已經在xcode中打開的提示」)網絡
把 github 上的 JSONKit 搞下來app
git clone https://github.com/johnezang/JSONKit.git
導入頭文件工具
#import "JSONKit.h"
#import <ASIHTTPRequest/ASIHTTPRequest.h>
不支持古老的 isa,因此你要這樣作
Include <objc/runtime.h>.
Replace everything like array->isa =_JKArrayClass; with object_setClass(array, _JKArrayClass)
And everything like class = array.isa with class = object_getClass(array)
{"email":"chenyu380@gmail.com","password":"FxxkYourAss"}
-(NSDictionary*)Login:(NSString *)email password:(NSString *)password { NSMutableDictionary *resultsDictionary;// 返回的 JSON 數據 NSDictionary *userDictionary = [[NSDictionary alloc] initWithObjectsAndKeys:password, @"password",email,@"email",nil]; if ([NSJSONSerialization isValidJSONObject:userDictionary]) { NSError *error; NSData *jsonData = [NSJSONSerialization dataWithJSONObject:userDictionary options:NSJSONWritingPrettyPrinted error: &error]; NSMutableData *tempJsonData = [NSMutableData dataWithData:jsonData]; NSURL *url = [NSURL URLWithString:@"http://seanchense.com/login"]; ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url]; [request addRequestHeader:@"Content-Type" value:@"application/json; charset=utf-8"]; [request addRequestHeader:@"Accept" value:@"application/json"]; [request setRequestMethod:@"POST"]; [request setPostBody:tempJsonData]; [request startSynchronous]; NSError *error1 = [request error]; if (!error1) { NSString *response = [request responseString]; NSLog(@"Test:%@",response); NSData* jsonData = [response dataUsingEncoding:NSUTF8StringEncoding]; } } return resultsDictionary; }