iOS支付宝微信h5支付

//
//  YOYOAlipayWXManage.m
//  YOYOLive
//
//  Created by 宋文龙 on 2020/5/8.
//  Copyright © 2020 twksky. All rights reserved.
//

#import "YOYOAlipayWXManage.h"
#import "YoYo乐园-Swift.h"

@interface YOYOAlipayWXManage ()

@property (nonatomic ,strong) WKWebView *webView;

@end

@implementation YOYOAlipayWXManage

+ (instancetype)shareInstance {
    static YOYOAlipayWXManage *manager = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        manager = [[YOYOAlipayWXManage alloc] init];
        [manager setupWebView];
    });
    return manager;
}

- (void)handleWeixinWithUrl:(NSURL *)url {
    //h5微信回调无法得知支付成功还是失败，直接当成功,刷新页面金额
    [[NSNotificationCenter defaultCenter] postNotificationName:@"kPaySuccessNotification" object:nil];
}

- (void)handleAliPayWithUrl:(NSURL *)url {
    NSString * urlNeedJsonStr = url.absoluteString;
    NSArray * afterComStr = [urlNeedJsonStr componentsSeparatedByString:@"?"];
    //  decode
    NSString * lastStr = [self URLDecodedString:afterComStr.lastObject];
    //  这个lastStr，其实是一个jsonStr，转一下，就看到了数据
    NSDictionary * dict = [self  dictionaryWithJsonString:lastStr];
    if ([dict[@"memo"][@"ResultStatus"] isEqual:@"9000"]) { // 支付成功
        [self.webView removeFromSuperview];
        [[NSNotificationCenter defaultCenter] postNotificationName:@"kPaySuccessNotification" object:nil];
    }
    //  dict的结构差不多是这样
    /*
      "memo": {
              "result":"订单相关信息，如订单号，支付金额等等";
               "ResultStatus":"9000";
       },
      ******
    */
    
    //  和支付宝SDK的返回结果一次，这个ResultStatus，就是我们要的数据
    //  9000 ：支付成功
    //  8000 ：订单处理中
    //  4000 ：订单支付失败
    //  6001 ：用户中途取消
    //  6002 ：网络连接出错
}

- (void)setupWebView {
    WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
    config.preferences = [[WKPreferences alloc] init];
    config.preferences.javaScriptEnabled=YES;
    self.webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, ScreenWidth, ScreenHeight)];
    self.webView.navigationDelegate = self;
}

- (void)alertAlipayWX {
    UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet];
    UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
        return ;
    }];
    UIAlertAction *weChatAction = [UIAlertAction actionWithTitle:@"微信" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        [self weChatPay];
    }];
    UIAlertAction *aliPayAction = [UIAlertAction actionWithTitle:@"支付宝" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        [self alipay];
    }];
    [alertVC addAction:weChatAction];
    [alertVC addAction:aliPayAction];
    [alertVC addAction:cancelAction];
    [Global_APP_CurrentViewController presentViewController:alertVC animated:YES completion:nil];
}

- (void)weChatPay {
    NSMutableDictionary *params = [NSMutableDictionary dictionary];
    if (_isWebVip) {
        params[@"catalogCode"] = _webVipArray.firstObject;
    } else {
        YOChargeDetailModel *model = self.modelArray[_selectIndex];
        params[@"catalogCode"] = model.catalogCode;
    }
    [YOHttpManager OC_POSTWithUrl:OCRequest.Request_Charge_OC params:params success:^(YOHttpModel * _Nonnull model) {
        if ([model.code isEqualToString:@"S_OK"]) {
            NSString *urlStr = model.data[@"url"];
            //  1.以= 号来切割字符串
            NSArray * urlBaseArr = [urlStr componentsSeparatedByString:@"="];
            NSString * urlBaseStr = urlBaseArr.firstObject;
            NSString * urlNeedDecode = urlBaseArr.lastObject;
            //  2.将截取以后的Str，做一下URLDecode，方便我们处理数据
            NSMutableString * afterDecodeStr = [NSMutableString stringWithString:[self URLDecodedString:urlNeedDecode]];
            //  3.添加redirect_url
            [afterDecodeStr appendString:@"&redirect_url=www.shuyuapp.com://"];
            //  4.URLCode
            NSString *urlCodeStr = [self URLEncodeString:afterDecodeStr];
            // 最终合并url
            NSString *lastUrlStr = [NSString stringWithFormat:@"%@=%@", urlBaseStr ,urlCodeStr];
            NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:lastUrlStr] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];
            [self.webView loadRequest:request];
//            [Global_APP_CurrentViewController.view addSubview:self.webView];
        }else{
            [Global_APP_CurrentViewController showMessage:model.message];
        }
    } failure:^(NSInteger jrCode, NSString * _Nonnull msg) {
        [Global_APP_CurrentViewController showMessage:msg];
    }];
}

- (void)alipay {
    NSMutableDictionary *params = [NSMutableDictionary dictionary];
    if (_isWebVip) {
        params[@"catalogCode"] = _webVipArray.lastObject;
    } else {
        YOChargeDetailModel *model = self.modelArray[_selectIndex+5];
        params[@"catalogCode"] = model.catalogCode;
    }
    [YOHttpManager OC_POSTWithUrl:OCRequest.Request_Charge_OC params:params success:^(YOHttpModel * _Nonnull model) {
        if ([model.code isEqualToString:@"S_OK"]) {
            NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:model.data[@"url"]] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];
            [self.webView loadRequest:request];
//            [Global_APP_CurrentViewController.view addSubview:self.webView];
        }else{
            [Global_APP_CurrentViewController showMessage:model.message];
        }
    } failure:^(NSInteger jrCode, NSString * _Nonnull msg) {
        [Global_APP_CurrentViewController showMessage:msg];
    }];
}

#pragma mark - WKNavigation Delegate
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
    //  先判断一下，找到需要跳转的再做处理,支付宝
    if ([navigationAction.request.URL.scheme isEqualToString:@"alipay"]) {
        decisionHandler(WKNavigationActionPolicyCancel);
        //  1.以？号来切割字符串
        NSArray * urlBaseArr = [navigationAction.request.URL.absoluteString componentsSeparatedByString:@"?"];
        NSString * urlBaseStr = urlBaseArr.firstObject;
        NSString * urlNeedDecode = urlBaseArr.lastObject;
        //  2.将截取以后的Str，做一下URLDecode，方便我们处理数据
        NSMutableString * afterDecodeStr = [NSMutableString stringWithString:[self URLDecodedString:urlNeedDecode]];
        //  3.替换里面的默认Scheme为自己的Scheme
        NSString * afterHandleStr = [afterDecodeStr stringByReplacingOccurrencesOfString:@"alipays" withString:@"yoyoAlipay"];
        //  4.然后把处理后的，和最开始切割的做下拼接，就得到了最终的字符串
        NSString * finalStr = [NSString stringWithFormat:@"%@?%@",urlBaseStr, [self  URLEncodeString: afterHandleStr]];
        if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:finalStr]]) {
            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:finalStr]];
        } else {
            [Global_APP_CurrentViewController showMessage:@"未安装支付宝,无法支付"];
        }
        return;
    }
    // 微信
    if ([navigationAction.request.URL.scheme isEqualToString:@"weixin"]) {
        decisionHandler(WKNavigationActionPolicyCancel);
        if ([[UIApplication sharedApplication] canOpenURL:navigationAction.request.URL]) {
            [[UIApplication sharedApplication] openURL:navigationAction.request.URL];
        } else {
            [Global_APP_CurrentViewController showMessage:@"未安装微信,无法支付"];
        }
        return;
    }
    decisionHandler(WKNavigationActionPolicyAllow);
}

//  OC 做URLEncode的方法
-  (NSString *)URLEncodeString:(NSString*)str {
    NSString *unencodedString = str;
    
    NSString *encodedString = (NSString *)
    
    CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
                                                              
                                                              (CFStringRef)unencodedString,
                                                              
                                                              NULL,
                                                              
                                                              (CFStringRef)@"!*'();:@&=+$,/?%#[]",
                                                              
                                                              kCFStringEncodingUTF8));
    
    return encodedString;
}

- (NSString*)URLDecodedString:(NSString*)str {
    NSString *decodedString=(__bridge_transfer NSString *)CFURLCreateStringByReplacingPercentEscapesUsingEncoding(NULL, (__bridge CFStringRef)str, CFSTR(""), CFStringConvertNSStringEncodingToEncoding(NSUTF8StringEncoding));
    
    return decodedString;
}

-  (NSDictionary *)dictionaryWithJsonString:(NSString *)jsonString
{
    if (jsonString == nil) {
        return nil;
    }
    
    NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
    NSError *err;
    NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData
                                                        options:NSJSONReadingMutableContainers
                                                          error:&err];
    if(err)
    {
        NSLog(@"json解析失败：%@",err);
        return nil;
    }
    return dic;
}



@end