标签：ios 数据 网络 json afnetworking
//
// YXYAppDelegate.m
// AFNetWorking封装
//
// Created by lanjiying on 14/11/20.
// Copyright (c) 2014年 lanjiying. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "AFNetworking.h"
typedef void(^CompletionLoad)(NSObject *result);
@interface YXYDataService : NSObject
///如果请求中没有请求头，使用此方法，如果需要传图片则需要将图片封装成NSDate，装到params中，url为地址，params为请求体没有传nil，get和post方法可以忽略大小写
+(AFHTTPRequestOperation *)requestWithURL:(NSString *)url params:(NSMutableDictionary *)params httpMethod:(NSString *)httpMethod block:(CompletionLoad)block;
///url为请求地址，params是请求体，传字典进去，，httpMethod 是请求方式，block是请求完成做得工作，header是请求头，也是传字典过去（发送请求获得json数据）,如果没有则传nil,如果只有value而没有key，则key可以设置为anykey（但是此方法暂时没设置传图片）
+ (AFHTTPRequestOperation *)requestWithURL:(NSString *)url
requestHeader:(NSDictionary *)header
params:(NSMutableDictionary *)params
httpMethod:(NSString *)httpMethod
block:(CompletionLoad)block
;
//
// YXYAppDelegate.m
// AFNetWorking封装
//
// Created by liujianjian on 14/11/20.
// Copyright (c) 2014年 lanjiying. All rights reserved.
//
#import "YXYDataService.h"
@implementation YXYDataService
//
+(AFHTTPRequestOperation *)requestWithURL:(NSString *)url params:(NSMutableDictionary *)params httpMethod:(NSString *)httpMethod block:(CompletionLoad)block
{
//创建request请求管理对象
AFHTTPRequestOperationManager * manager =[AFHTTPRequestOperationManager manager];
AFHTTPRequestOperation * operation = nil;
//GET请求
NSComparisonResult comparison1 = [httpMethod caseInsensitiveCompare:@"GET"];
if (comparison1 == NSOrderedSame) {
operation =[manager GET:url parameters:params success:^(AFHTTPRequestOperation *operation, id responseObject) {
block(responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
block(error);
}];
}
//POST请求
NSComparisonResult comparisonResult2 = [httpMethod caseInsensitiveCompare:@"POST"];
if (comparisonResult2 == NSOrderedSame)
{
//标示
BOOL isFile = NO;
for (NSString * key in params.allKeys)
{
id value = params[key];
//判断请求参数是否是文件数据
if ([value isKindOfClass:[NSData class]]) {
isFile = YES;
break;
}
}
if (!isFile) {
//参数中没有文件，则使用简单的post请求
operation =[manager POST:url
parameters:params
success:^(AFHTTPRequestOperation *operation, id responseObject) {
if (block != nil) {
block(responseObject);
}
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
if (block != nil) {
//
}
}];
}else
{
operation =[manager POST:url
parameters:params
constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
for (NSString *key in params) {
id value = params[key];
if ([value isKindOfClass:[NSData class]]) {
[formData appendPartWithFileData:value
name:key
fileName:key
mimeType:@"image/jpeg"];
}
}
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
block(responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"请求网络失败");
}];
}
}
//设置返回数据的解析方式
operation.responseSerializer =[AFJSONResponseSerializer serializerWithReadingOptions:NSJSONReadingMutableContainers];
return operation;
}
///url为请求地址，params是请求体，传字典进去，，httpMethod 是请求方式，block是请求完成做得工作，header是请求头，也是传字典过去（发送请求获得json数据）,如果没有则传nil,如果只有value而没有key，则key可以设置为anykey
+ (AFHTTPRequestOperation *)requestWithURL:(NSString *)url
requestHeader:(NSDictionary *)header
params:(NSMutableDictionary *)params
httpMethod:(NSString *)httpMethod
block:(CompletionLoad)block
{
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url] cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:10];
//添加请求头
for (NSString *key in header.allKeys) {
[request addValue:header[key] forHTTPHeaderField:key];
}
//get请求
NSComparisonResult compResult1 =[httpMethod caseInsensitiveCompare:@"GET"];
if (compResult1 == NSOrderedSame) {
[request setHTTPMethod:@"GET"];
if(params != nil)
{
//添加参数，将参数拼接在url后面
NSMutableString *paramsString = [NSMutableString string];
NSArray *allkeys = [params allKeys];
for (NSString *key in allkeys) {
NSString *value = [params objectForKey:key];
[paramsString appendFormat:@"&%@=%@", key, value];
}
if (paramsString.length > 0) {
[paramsString replaceCharactersInRange:NSMakeRange(0, 1) withString:@"?"];
//重新设置url
[request setURL:[NSURL URLWithString:[url stringByAppendingString:paramsString]]];
}
}
}
//post请求
NSComparisonResult compResult2 = [httpMethod caseInsensitiveCompare:@"POST"];
if (compResult2 == NSOrderedSame) {
[request setHTTPMethod:@"POST"];
for (NSString *key in params) {
[request setHTTPBody:params[key]];
}
}
//发送请求
AFHTTPRequestOperation *requstOperation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
//设置返回数据的解析方式(这里暂时只设置了json解析)
requstOperation.responseSerializer = [AFJSONResponseSerializer serializer];
[requstOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
if (block != nil) {
block(responseObject);
}
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"Error: %@", [error localizedDescription]);
if (block != nil) {
block(error);
}
}];
[requstOperation start];
return requstOperation;
}
@end
标签：ios 数据 网络 json afnetworking
原文地址：http://blog.csdn.net/u010670117/article/details/41480295
