ios 获取融云token

聊聊iOS做融云时重要的一步，获取token。token应该从服务端拿这样你的appSecret就不容易暴露。但有时开发需要也要自己先获取一个token也是可以的。请求方式有很多随你便喽，C哥（“我”自称）用的是AFN，记着安融云文档上来是POST请求，需要自己提供一些参数，有的参数是从融云控制平台得到的比如appkey，下面是我的代码

- (void)getIMToken {

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

NSString *urlstr =@"https://api.cn.rong.io/user/getToken.json";

NSDictionary *dic =@{@"userId":@"你想要的账号，字母或数字都行",

@"name":@"随便起一个名字吧",

@"portraitUri":@"http://pic6.huitu.com/res/20130116/84481_20130116142820494200_1.jpg，前面的是我随便找的图片你可以替换"

};

//这几句是按融云的提示写的

NSString * timestamp = [[NSString alloc] initWithFormat:@"%ld",(NSInteger)[NSDate timeIntervalSinceReferenceDate]];

NSString * nonce = [NSString stringWithFormat:@"%d",arc4random()];

NSString * appkey = @"你的appkey,从你的控制台得到";

NSString *SignatureWillMD5 = [NSString stringWithFormat:@"%@%@%@",appkey,nonce,timestamp];//这个要加密

NSString *Signature = [self MD5String:ppp]; //C哥是做了MD5加密

//以下拼接请求内容

[manager.requestSerializer setValue:appkey forHTTPHeaderField:@"App-Key"];

[manager.requestSerializer setValue:nonce forHTTPHeaderField:@"Nonce"];

[manager.requestSerializer setValue:timestamp forHTTPHeaderField:@"Timestamp"];

[manager.requestSerializer setValue:Signature forHTTPHeaderField:@"Signature"];

[manager.requestSerializer setValue:@"6KQHFraKVNpR" forHTTPHeaderField:@"appSecret"];

[manager.requestSerializer setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];

//开始请求

[manager POST:urlstr parameters:dic success:^(AFHTTPRequestOperation *operation, id responseObject) {

//这里你就能得到token啦~

NSLog(@"%@", responseObject);

} failure:^(AFHTTPRequestOperation *operation, NSError *error) {

}];

}

//MD5加密，要导入#import <CommonCrypto/CommonDigest.h>。

- (NSString *)MD5String:(NSString *)str {

const char *cStr = [str UTF8String];

unsigned char result[16];

CC_MD5(cStr, (CC_LONG)strlen(cStr), result); // This is the md5 call

NSString * md5Str = [NSString stringWithFormat:

@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",

result[0], result[1], result[2], result[3],

result[4], result[5], result[6], result[7],

result[8], result[9], result[10], result[11],

result[12], result[13], result[14], result[15]

];

CGLog(@"%@",md5Str);

return md5Str;

}