DJOAuthViewController.m
#import "DJOAuthViewController.h"
#import "AFNetworking.h"@interface DJOAuthViewController () <UIWebViewDelegate>@end@implementation DJOAuthViewController- (void)viewDidLoad {
[super viewDidLoad]; /* client_id&redirect_uri */
NSString *client_id = @"";
NSString *redirect_uri = @"https://www.baidu.com"; UIWebView *webView = [[UIWebView alloc] init];
webView.frame = self.view.bounds;
webView.delegate = self; [self.view addSubview:webView]; NSString *urlString = [NSString stringWithFormat:@"https://api.weibo.com/oauth2/authorize?client_id=%@&redirect_uri=%@",client_id,redirect_uri]; NSURL *url = [NSURL URLWithString:urlString];
NSURLRequest *urlRequest = [NSURLRequest requestWithURL:url]; [webView loadRequest:urlRequest];}- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}#pragma mark - webView 代理方法- (void)webViewDidStartLoad:(UIWebView *)webView {
// DJLog(@"webView开始加载");}- (void)webViewDidFinishLoad:(UIWebView *)webView {// DJLog(@"webView结束加载");}/** 此方法可用于拦截http请求 */
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
NSString *urlString = request.URL.absoluteString;
DJLog(@"current access url str : %@",urlString); // 1. 判断当前地址是否是回调地址(https://www.baidu.com/?code=27a3d9fb9bbc5d3c20be9ae8e4331b02)
NSRange range= [urlString rangeOfString:@"code="];
if (range.length != ) { // 是回调地址
// 2.截取code=后面的参数值
NSUInteger fromIndex = range.location + range.length;
NSString *code = [urlString substringFromIndex:fromIndex]; // code 就是授权成功的请求标记
// 3.使用授权成功的请求标记(code)来换取accessToken
[self getAccessTokenWithCode:code];
} return YES;
}- (void)getAccessTokenWithCode:(NSString *)code { // 1. 创建请求管理者
AFHTTPSessionManager *requestManager = [AFHTTPSessionManager manager]; // 2. 配置请求参数
NSString *urlString = @"https://api.weibo.com/oauth2/access_token"; // 请求授权的access_token URL
NSMutableDictionary *params = [NSMutableDictionary dictionary];
params[@"client_id"] = @"";
params[@"client_secret"] = @"71d5b761bac9f377af3b938f6d89ba85";
params[@"grant_type"] = @"authorization_code";
params[@"code"] = code;
params[@"redirect_uri"] = @"https://www.baidu.com"; // 3. 发送请求
[requestManager POST:urlString parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
DJLog(@"success responseObject: %@",responseObject);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
DJLog(@"failure responseObject: %@",error);
}];}