dispatch_group_t group = dispatch_group_create();
dispatch_queue_tserialQueue = dispatch_queue_create("com.wzb.test.www", DISPATCH_QUEUE_SERIAL);
dispatch_group_enter(group);
dispatch_group_async(group, serialQueue, ^{
// 网络请求一
[WebClick getDataSuccess:^(ResponseModel *model) { dispatch_group_leave(group); } failure:^(NSString*err) { dispatch_group_leave(group); }];
});
dispatch_group_enter(group); dispatch_group_async(group, serialQueue, ^{
// 网络请求二
[WebClick getDataSuccess:getBigTypeRM onSuccess:^(ResponseModel *model) { dispatch_group_leave(group); } failure:^(NSString*errorString) { dispatch_group_leave(group); }];
});
dispatch_group_enter(group);
dispatch_group_async(group, serialQueue, ^{
// 网络请求三
[WebClick getDataSuccess:^{ dispatch_group_leave(group); } failure:^(NSString*errorString) { dispatch_group_leave(group); }];
});
// 所有网络请求结束后会来到这个方法
dispatch_group_notify(group, serialQueue, ^{dispatch_async(dispatch_get_global_queue(0,0), ^{dispatch_async(dispatch_get_main_queue(), ^{
// 刷新UI
}); }); });