IOS/HappyJob/HappyJob/Custom/WeiXin/HJWeiXinAPIManager.m

//
//  HJWeiXinAPIManager.m
//  HappyJob
//
//  Created by Bob on 2019/4/1.
//  Copyright © 2019 Bob. All rights reserved.
//

#import "HJWeiXinAPIManager.h"

@implementation HJWeiXinAPIManager

+ (instancetype)sharedManager {
    
    static dispatch_once_t onceToken;
    static HJWeiXinAPIManager *instance;
    dispatch_once(&onceToken, ^{
        
        instance = [[HJWeiXinAPIManager alloc] init];
    });
    return instance;
}

- (void)wxSendAuthReqWithViewController:(UIViewController *)viewController {
    
    SendAuthReq *req = [[SendAuthReq alloc] init];
    req.state = @"wx_oauth_authorization_state";//用于保持请求和回调的状态，授权请求或原样带回
    req.scope = @"snsapi_userinfo";//授权作用域：获取用户个人信息
    //判断用户是否已安装微信App
    if ([WXApi isWXAppInstalled])
    {//安装
        [WXApi sendReq:req];
    }
    else
    {//未安装
        [WXApi sendAuthReq:req viewController:viewController delegate:self];
    }
}

#pragma mark - WXApiDelegate

- (void)onResp:(BaseResp *)resp {
    // 判断是否为授权登录类
    if ([resp isKindOfClass:[SendAuthResp class]])
    {
        SendAuthResp *sendAuthResp = (SendAuthResp *)resp;

        if ([sendAuthResp.state isEqualToString:@"wx_oauth_authorization_state"])
        {
            // 微信授权成功
            if (sendAuthResp.errCode == 0)
            {
                if ([self.delegate respondsToSelector:@selector(wxSendAuthResponseDidSuccess:)])
                {
                    [self.delegate wxSendAuthResponseDidSuccess:sendAuthResp];
                }
            }
            else
            {
                if ([self.delegate respondsToSelector:@selector(wxSendAuthResponseDidFailed:)])
                {
                    [self.delegate wxSendAuthResponseDidFailed:sendAuthResp];
                }
            }
        }
        else
        {
            if ([self.delegate respondsToSelector:@selector(wxSendAuthResponseDidFailed:)])
            {
                [self.delegate wxSendAuthResponseDidFailed:sendAuthResp];
            }
        }
    }
}

@end