iOS9以后，苹果的数据请求用NSURLSession：
//
// SkyHttpRequest.h
// NSURLSessionDemo
//
// Created by skyzizhu on 16/6/7.
// Copyright © 2016年 skyzizhu. All rights reserved.
//
#import <Foundation/Foundation.h>
#import <CommonCrypto/CommonDigest.h>
@class SkyHttpRequest;
typedef void(^willSendRequestHandle)();
typedef void(^succeedRequestHandle)(NSMutableURLRequest *skyHttpRequest,id responseObject);
typedef void(^errorRequestHandle)(NSError *error);
@interface SkyHttpRequest : NSObject
{
NSDictionary *_fieldValue;
NSString *_mimeType;
}
//当前请求会话
@property (nonatomic,strong)NSURLSession *session;
//保存当前请求的内容
@property (nonatomic,strong)NSMutableData *responseData;
//当前的请求
//@property (nonatomic,strong)NSMutableURLRequest *request;
//初始化
+ (id)manager;
//添加头文件
-(void)addHeaderFieldWithFieldValue:(NSDictionary *)fieldValue;
//设置上传附件类型
-(void)setMimeType:(NSString *)mimeType;
//get请求
-(void)getRequestWithURL:(NSString *)url atParames:(NSDictionary *)parames atWillRequest:(willSendRequestHandle)willRequest atSucceedRequest:(succeedRequestHandle)succeedRequest atErrorRequest:(errorRequestHandle)errorRquest;
//post请求
-(void)postRequestWithURL:(NSString *)url atParames:(NSDictionary *)parames atWillRequest:(willSendRequestHandle)willRequest atSucceedRequest:(succeedRequestHandle)succeedRequest atErrorRequest:(errorRequestHandle)errorRquest;
//上传附件
-(void)postRequestWithURL:(NSString *)url atImageDatas:(NSArray *)datas atFormNames:(NSArray *)formNames atParames:(NSDictionary *)parames atWillRequest:(willSendRequestHandle)willRequest atSucceedRequest:(succeedRequestHandle)succeedRequest atErrorRequest:(errorRequestHandle)errorRquest;
@end
//
// SkyHttpRequest.m
// NSURLSessionDemo
//
// Created by skyzizhu on 16/6/7.
// Copyright © 2016年 skyzizhu. All rights reserved.
//
#import "SkyHttpRequest.h"
static NSString *DefaultMimeType = @"image/png";
const double SkyBaseRequestOutTimeValue = 20.0;
const double SkyExceptRequestOutTimeValue = 50.0;
@implementation SkyHttpRequest
+ (id)manager
{
static dispatch_once_t onceQueue;
static SkyHttpRequest *skyHttpRequest = nil;
dispatch_once(&onceQueue, ^{
skyHttpRequest = [[self alloc] init];
skyHttpRequest.session = [NSURLSession sharedSession];
});
return skyHttpRequest;
}
-(void)addHeaderFieldWithFieldValue:(NSDictionary *)fieldValue
{
_fieldValue = nil;
if(fieldValue != nil){
_fieldValue = [[NSDictionary alloc]initWithDictionary:fieldValue];
}
}
-(void)setMimeType:(NSString *)mimeType
{
_mimeType = nil;
if(mimeType != nil){
_mimeType = [NSString stringWithString:mimeType];
}else{
_mimeType = DefaultMimeType;
}
}
//设置当前request的头部信息
-(void)setFieldValueWithRequest:(NSMutableURLRequest *)request
{
if(_fieldValue != nil){
for (NSString *fieldKey in _fieldValue) {
[request setValue:_fieldValue[fieldKey] forHTTPHeaderField:fieldKey];
}
_fieldValue = nil;
}
}
//append url key and value
-(NSMutableString *)getURLOperateWithURL:(NSString *)url atParams:(NSDictionary *)params
{
NSMutableString *string = [NSMutableString stringWithFormat:@"%@?",url];
for (NSString *key in params) {
[string appendFormat:@"%@=%@&",key,params[key]];
}
[string deleteCharactersInRange:NSMakeRange([string length] - 1, 1)];
return string;
}
-(NSData *)postDataWithParams:(NSDictionary *)params
{
NSMutableString *string = [NSMutableString string];
for (NSString *key in params) {
[string appendFormat:@"%@=%@&",key,params[key]];
}
[string deleteCharactersInRange:NSMakeRange([string length] - 1, 1)];
return [string dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES];
}
-(void)getRequestWithURL:(NSString *)url atParames:(NSDictionary *)parames atWillRequest:(willSendRequestHandle)willRequest atSucceedRequest:(succeedRequestHandle)succeedRequest atErrorRequest:(errorRequestHandle)errorRquest
{
if(_session != nil){
NSString *sourceUrl = (NSString *)CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes( kCFAllocatorDefault, (CFStringRef)url, NULL, NULL, kCFStringEncodingUTF8 ));
//url init
NSString *resultURL = parames == nil ? sourceUrl : [self getURLOperateWithURL:sourceUrl atParams:parames];
//request
NSMutableURLRequest *request = [[NSMutableURLRequest alloc]initWithURL:[NSURL URLWithString:resultURL] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:SkyBaseRequestOutTimeValue];
[request setHTTPMethod:@"GET"];
[self setFieldValueWithRequest:request];
// 创建任务
NSURLSessionDataTask *task = [_session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
NSHTTPURLResponse *res = (NSHTTPURLResponse *)response;
if(res.statusCode == 200){
id jsonResult = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:&error];
succeedRequest(request,jsonResult);
}
if(error != nil){
errorRquest(error);
}
}];
// 启动任务
[task resume];
if(willRequest != nil){
willRequest();
}
}
}
-(void)postRequestWithURL:(NSString *)url atParames:(NSDictionary *)parames atWillRequest:(willSendRequestHandle)willRequest atSucceedRequest:(succeedRequestHandle)succeedRequest atErrorRequest:(errorRequestHandle)errorRquest
{
if(_session != nil){
NSString *sourceUrl = (NSString *)CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes( kCFAllocatorDefault, (CFStringRef)url, NULL, NULL, kCFStringEncodingUTF8 ));
//request
NSMutableURLRequest *request = [[NSMutableURLRequest alloc]initWithURL:[NSURL URLWithString:sourceUrl] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:SkyBaseRequestOutTimeValue];
[request setHTTPMethod:@"POST"];
[self setFieldValueWithRequest:request];
//body
if(parames != nil){
[request setHTTPBody:[self postDataWithParams:parames]];
}
// 创建任务
NSURLSessionDataTask *task = [_session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
NSHTTPURLResponse *res = (NSHTTPURLResponse *)response;
if(res.statusCode == 200){
id jsonResult = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:&error];
succeedRequest(request,jsonResult);
}
if(error != nil){
errorRquest(error);
}
}];
// 启动任务
[task resume];
if(willRequest != nil){
willRequest();
}
}
}
-(void)postRequestWithURL:(NSString *)url atImageDatas:(NSArray *)datas atFormNames:(NSArray *)formNames atParames:(NSDictionary *)parames atWillRequest:(willSendRequestHandle)willRequest atSucceedRequest:(succeedRequestHandle)succeedRequest atErrorRequest:(errorRequestHandle)errorRquest
{
if(_session != nil){
NSString *sourceUrl = (NSString *)CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes( kCFAllocatorDefault, (CFStringRef)url, NULL, NULL, kCFStringEncodingUTF8 ));
//request
NSMutableURLRequest *request = [[NSMutableURLRequest alloc]initWithURL:[NSURL URLWithString:sourceUrl] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:SkyBaseRequestOutTimeValue];
[request setHTTPMethod:@"POST"];
[self setFieldValueWithRequest:request];
[self postImageDataWithCurrentRequest:request Datas:datas atImageFormNames:formNames atParams:parames];
// 创建任务
NSURLSessionDataTask *task = [_session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
NSHTTPURLResponse *res = (NSHTTPURLResponse *)response;
if(res.statusCode == 200){
id jsonResult = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:&error];
succeedRequest(request,jsonResult);
}
if(error != nil){
errorRquest(error);
}
}];
// 启动任务
[task resume];
//will request
if(willRequest != nil){
willRequest();
}
}
}
#pragma mark - upload file event
-(void)postImageDataWithCurrentRequest:(NSMutableURLRequest *)request Datas:(NSArray *)datas atImageFormNames:(NSArray *)formNames atParams:(NSDictionary *)params
{
NSString *TWITTERFON_FORM_BOUNDARY = @"AaB03x";
//分界线 --AaB03x
NSString *MPboundary=[[NSString alloc]initWithFormat:@"--%@",TWITTERFON_FORM_BOUNDARY];
//结束符 AaB03x--
NSString *endMPboundary=[[NSString alloc]initWithFormat:@"%@--",MPboundary];
if([datas count] != [formNames count]){
return;
}
NSMutableString *body=[[NSMutableString alloc]init];
NSArray *keys= [params allKeys];
for(int i=0;i<[keys count];i++){
//得到当前key
NSString *key=[keys objectAtIndex:i];
//添加分界线，换行
[body appendFormat:@"%@\r\n",MPboundary];
//添加字段名称，换2行
[body appendFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",key];
//添加字段的值
[body appendFormat:@"%@\r\n",[params objectForKey:key]];
}
//声明RequestData，用来放入http body
NSMutableData *RequestData=[[NSMutableData alloc]init];
//将params添加进去
[RequestData appendData:[body dataUsingEncoding:NSUTF8StringEncoding]];
for (int i = 0; i < [datas count]; i++) {
//
NSMutableString *subBody = [[NSMutableString alloc]init];
//fileName
NSString *fileName = [NSString stringWithFormat:@"%@.png",[self sha1WithSource:[@(i) stringValue]]];
////添加分界线，换行
[subBody appendFormat:@"%@\r\n",MPboundary];
//声明pic字段，文件名
[subBody appendFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"%@\"\r\n",formNames[i],fileName];
if(_mimeType != nil){
[subBody appendFormat:@"Content-Type: %@\r\n\r\n",_mimeType];
}else{
//声明上传文件的格式
[subBody appendFormat:@"Content-Type: %@\r\n\r\n",DefaultMimeType];
}
[body appendString:subBody];
//将body字符串转化为UTF8格式的二进制
[RequestData appendData:[subBody dataUsingEncoding:NSUTF8StringEncoding]];
//将image的data加入
[RequestData appendData:datas[i]];
//必加的分隔符，每一个data后边，http的规则
[RequestData appendData:[ @"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
}
//声明结束符：--AaB03x--
NSString *end=[[NSString alloc]initWithFormat:@"\r\n%@",endMPboundary];
//加入结束符--AaB03x--
[RequestData appendData:[end dataUsingEncoding:NSUTF8StringEncoding]];
//设置HTTPHeader中Content-Type的值
NSString *content=[[NSString alloc]initWithFormat:@"multipart/form-data; boundary=%@",TWITTERFON_FORM_BOUNDARY];
//设置HTTPHeader
[request setValue:content forHTTPHeaderField:@"Content-Type"];
//设置Content-Length
[request setValue:[NSString stringWithFormat:@"%ld", [RequestData length]] forHTTPHeaderField:@"Content-Length"];
if([datas count] == 0 || datas == nil){
[request setHTTPBody:[body dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES]];
}else{
//设置http body
[request setHTTPBody:RequestData];
}
//设置类型为空
[self setMimeType:nil];
}
#pragma mark - enKey by sha1
- (NSString *)sha1WithSource:(NSString *)source
{
NSData *data = [source dataUsingEncoding:NSUTF8StringEncoding];
uint8_t digest[CC_SHA1_DIGEST_LENGTH];
CC_SHA1(data.bytes, (int)data.length, digest);
NSMutableString *output = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 2];
for (int i = 0; i < CC_SHA1_DIGEST_LENGTH; i++) {
[output appendFormat:@"%02x", digest[i]];
}
return output;
}
@end