版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/cl61917380/article/details/84975543
PS: CLNetworking使用的是AFNetworking封装的,没有特别的地方
-(IBAction)groupCilck:(id)sender{
//如果多次调用groupCilck方法时,dispatch_group_t对象应为成员变量,只创建一次
dispatch_group_t group = dispatch_group_create();
for (int i=0; i<5; i++) {
dispatch_group_enter(group);
[[CLNetworking sharedInstance]postData:@"https://www.baidu.com" params:nil successBlock:^(id _Nonnull result) {
NSLog(@"request success %d",i);
dispatch_group_leave(group);
} failBlock:^(id _Nonnull result) {
NSLog(@"request fail %d",i);
dispatch_group_leave(group);
}];
}
dispatch_group_notify(group, dispatch_get_main_queue(), ^{
NSLog(@"request finish...");
});
NSLog(@"groupCilck...");
// 无序,且finish总是最后
// groupCilck...
// request success 2
// request success 3
// request success 0
// request success 1
// request success 4
// request finish...
}