AFHTTPRequestOperationManager.md

####API 接口文档

• 功能：用户名登陆
• 请求地址：http://www.xxx.com/login
• 请求方式：POST
• 请求数据

字段	类型	是否必须	说明
userName	string	true	用户名
password	string	true	密码

• 返回数据

字段	类型	是否必须	说明
userId	int	true	用户id
status	int	true	成功登陆返回1，否则返回0
error	string	true	status为0的时候返回错误信息，为1的时候为空字符串""

• 请求实例：

{
    "userName":"testUser",
    "password":"password",
}

• 返回数据实例

{
    "userId":1,
    "status":"1",
    "error":""
}

login.m

#import "User_Model.h"

-（void）login {
    User_API *user_API = [User_API shareInstance];
    LOGIN *login = [[LOGIN alloc] init];
    login.userName = userNameTextField.text;
    login.password = passwordTextField.text;
    [user_API userLogin:login];
    user_API.login = ^(NSDictionary *dic){
        if ([[dic objectForKey:@"status"] intValue] == 1) {
            NSLog(@"成功登录 dic = %@",dic);
        } else {
            NSLog(@"登录失败 error = %@",[dic objectForKey:@"error"]);
        }
    };
}

User_Model.h

#import <Foundation/Foundation.h>

#pragma mark - 登陆
@interface LOGIN : NSObject
@property (strong, nonatomic) NSString *userName;
@property (strong, nonatomic) NSString *password;
@end

#pragma mark - 请求API
// block object
typedef void(^Login) (NSDictionary *dic);

@interface User_API : NSObject

@property (copy, nonatomic) Login login;

// singleton
+(User_API *)shareInstance;

// 用户登录
-(void)userLogin:(LOGIN *) loginModel;

@end

User_Model.m

#import "User_Model.h"
#import <AFHTTPRequestOperationManager.h>

#pragma mark - 登陆
@implementation LOGIN
@synthesize userName = _userName;
@synthesize password = _password;
@end


#pragma mark - 请求API
static User_API *userShareInstance;
@implementation User_API

@synthesize login = _login;

+(User_API *)shareInstance{
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        userShareInstance = [[User_API alloc] init];
    });
    return userShareInstance;
}

// 用户登录
-(void)userLogin:(LOGIN *) loginModel{

    NSDictionary *parameter = @{@"userName": loginModel.userName,
                                @"password":loginModel.password,
                                };

    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
//    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/plain"];
    [manager POST:[NSString stringWithFormat:@"http://www.xxx.com/login"] parameters:parameter success:^
     (AFHTTPRequestOperation *operation, id responseObject){
         NSDictionary *dic = [self getDicFromOperation:operation];
         self.login(dic);
    }failure:^(AFHTTPRequestOperation *operation, NSError *error) {
        self.failrequset([error localizedDescription]);
        NSLog(@"userLogin error = %@",[error localizedDescription]);
    }];
}

- (NSDictionary *)getDicFromOperation:(AFHTTPRequestOperation *)operation
{
    NSString *str = [NSString stringWithString:operation.responseString];
    NSData *data = [[NSData alloc] initWithData:[str dataUsingEncoding:NSUTF8StringEncoding]];
    //系统自带JSON解析
    NSDictionary *resultDic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
    return resultDic;
}
@end