<key>LSApplicationQueriesSchemes</key>
<array><string>wechat</string>
 <string>weixin </string>
</array>

 [[UMSocialManager defaultManager] setPlaform:UMSocialPlatformType_WechatSession appKey:kWechatID appSecret:kWechatKey redirectURL:@http://mobile.umeng.com/social];

+ (void)createWechatOrderWithGoldType:(NSString *)type amount:(NSNumber *)amount{
// 向后臺(tái)請(qǐng)求訂單，根據(jù)自己公司后臺(tái)給的url來(lái)做
 [RequestTool requestWithType:POST RRLString:kWechatURL parameter:@{@"user_id":[UserLoginStateManager shareManager].model.userID,@"sign_key":[UserLoginStateManager shareManager].model.sign_key,@"gold_type":type,@"amount":amount} HTTPHeader:nil callBlock:^(NSData *data, NSError *error) { 
 NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil]; NSLog(@"%@",dic); 
 if (!dic[@"error_msg"]) {
// 調(diào)用自己寫(xiě)的微信支付方法
 [self WXPayWithAppid:dic[@"appid"] noncestr:dic[@"noncestr"] package:dic[@"package"] partnerid:dic[@"partnerid"] prepayid:dic[@"prepayid"] timestamp:dic[@"timestamp"] key:dic[@"key"] sign:dic[@"sign"]]; } }];
}

#pragma mark 微信支付方法+ (void)WXPayWithAppid:(NSString *)appid noncestr:(NSString *)noncestr package:(NSString *)package partnerid:(NSString *)partnerid prepayid:(NSString *)prepayid timestamp:(NSString *)timestamp key:(NSString *)key sign:(NSString *)sign{ 
 //需要?jiǎng)?chuàng)建這個(gè)支付對(duì)象 
PayReq *req = [[PayReq alloc] init]; 
//由用戶微信號(hào)和AppID組成的唯一標(biāo)識(shí)，用于校驗(yàn)微信用戶 
req.openID = appid; 
// 商家id，在注冊(cè)的時(shí)候給的 
req.partnerId = partnerid; 
// 預(yù)支付訂單這個(gè)是后臺(tái)跟微信服務(wù)器交互后，微信服務(wù)器傳給你們服務(wù)器的，你們服務(wù)器再傳給你 
 req.prepayId = prepayid; 
// 根據(jù)財(cái)付通文檔填寫(xiě)的數(shù)據(jù)和簽名 
 req.package = package; 
 // 隨機(jī)編碼，為了防止重復(fù)的，在后臺(tái)生成 
 req.nonceStr = noncestr; 
 // 這個(gè)是時(shí)間戳，也是在后臺(tái)生成的，為了驗(yàn)證支付的
 NSString * stamp = timestamp;
 req.timeStamp = stamp.intValue; 
// 這個(gè)簽名也是后臺(tái)做的 
req.sign = sign; 
 //發(fā)送請(qǐng)求到微信，等待微信返回onResp 
[WXApi sendReq:req];
}

// 判斷手機(jī)有沒(méi)有微信
 if ([WXApi isWXAppInstalled]) {
 wechatButton.hidden = NO;
 }else{
 wechatButton.hidden = YES;
 }

// iOS9.0以前調(diào)用此方法
- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {
 if ([url.host isEqualToString:@"pay"]) {
 return [WXApi handleOpenURL:url delegate:self];
 }
}

// iOS9.0及9.0以后調(diào)用此方法
- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation{
 // 在此方法中做如下判斷，因?yàn)檫€有可能有其他的支付，如支付寶就是@"safepay"
 if ([url.host isEqualToString:@"pay"]) { 
 return [WXApi handleOpenURL:url delegate:self]; 
 } 
 return YES;
}

- (void)onResp:(BaseResp *)resp{ 
if ([resp isKindOfClass:[PayResp class]]) { 
// 微信支付 
 PayResp*response=(PayResp*)resp; 
switch(response.errCode){
 case 0:
  NSLog(@“支付成功！");
  break; 
 case -1:
  NSLog(@"支付失敗！");
 break;  
 case -2:
  NSLog(@"支付失??！");
 break;  
 default:
  NSLog(@"支付失??！");
 break; 
 } 
 }
}