前言
服務(wù)器因?yàn)榭蚣懿挥谩⒅贫ǖ慕涌趨f(xié)議不同所以AFN直接調(diào)用POST請(qǐng)求不能夠滿足需求弛饭,在這里特地來寫記一下。
請(qǐng)求方式(表單提交)
contentType: application/x-www-form-urlencoded
服務(wù)器要求參數(shù)上傳格式為reqMsg = {json}這樣類型的參數(shù)放在body中萍歉,使用多文件的形式拼接在接口中
示例代碼
//開始網(wǎng)絡(luò)請(qǐng)求菊花
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
//初始化請(qǐng)求
NSString *baseUrl = [_dataSessionManager.baseURL absoluteString];
NSString *tmpStr = [baseUrl stringByAppendingFormat:TerminalAction,pathStr];
//設(shè)置urlStr
NSString *urlStr = [tmpStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
//設(shè)置請(qǐng)求方式為POST
NSString *methodStr = [self stringWithMethod:method];
__block NSURLSessionDataTask *task = nil;
NSError * initRequestError;
NSString * token = [IdentityManager manager].identity.token;
//1.在此處創(chuàng)建requst侣颂,將reqMsg的json以多文件的形式拼接進(jìn)去,key為reqMsg枪孩,value為參數(shù)json
NSMutableURLRequest * request = [[AFHTTPRequestSerializer serializer]multipartFormRequestWithMethod:methodStr URLString:urlStr parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> _Nonnull formData) {
//2.將參數(shù)字典轉(zhuǎn)為jsonData拼接到formData中憔晒,name為reqMsg
NSLog(@"url:%@ parameters:%@ = %@ , %@ = %@",urlStr,REQMSG,((NSDictionary *)parameters).mj_JSONString, TOKEN, token);
[formData appendPartWithFormData:[((NSDictionary *)parameters).mj_JSONString dataUsingEncoding:NSUTF8StringEncoding] name:REQMSG];
} error:&initRequestError];
//3.判斷錯(cuò)誤
if (initRequestError) {
if (failureBlock) {
}
return nil;
}
//添加token
if (token) {
[request setValue:token forHTTPHeaderField:@"X-Auth-Token"];
}
//4.初始化網(wǎng)絡(luò)請(qǐng)求藻肄。_uploadSessionManager為AFNSessionManager的對(duì)象
task = [_uploadSessionManager dataTaskWithRequest:request completionHandler:^(NSURLResponse * _Nonnull response, id _Nullable responseObject, NSError * _Nullable error) {
// 結(jié)束菊花
[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
}];
//5.發(fā)起請(qǐng)求任務(wù),千萬不要忘了這句話
[task resume];
在地址欄拼接參數(shù)
我們常用的方法是直接把參數(shù)字典放到AFN的parameters拒担,這時(shí)候如果后臺(tái)要求在地址欄拼接參數(shù)的話就尷尬了嘹屯。我的做法是遍歷parameters然后拼接到request的body中,完成請(qǐng)求
NSMutableArray * parameters = [NSMutableArray new];
//self.requestParameter為外部傳進(jìn)來的參數(shù)字典
//1.遍歷字典
[self.requestParameter enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
//2.將參數(shù)字典按照key=value的形式存放到數(shù)組中
[parameters addObject:[NSString stringWithFormat:@"%@=%@", key, obj]];
}];
//3.創(chuàng)建request
NSMutableURLRequest * requst = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:self.urlString]];
//4.設(shè)置請(qǐng)求方式从撼,默認(rèn)為GET
requst.HTTPMethod = @"POST";
//5.將parameters按照&拼接起來并且放到HTTPBody中州弟,注意:此處的parameters為可變數(shù)組,
requst.HTTPBody = [[parameters componentsJoinedByString:@"&"] dataUsingEncoding:NSUTF8StringEncoding];
//6.創(chuàng)建請(qǐng)求低零。self.session為AFNSessionManager的對(duì)象
self.dataTask = [self.session dataTaskWithRequest:requst completionHandler:^(NSURLResponse * _Nonnull response, id _Nullable responseObject, NSError * _Nullable error) {
//to do 婆翔,請(qǐng)求返回
}];
//7.發(fā)起請(qǐng)求,千萬不要忘了這句話
[self.dataTask resume];