iOS學習 - 18.TextField 自定義菜單事件，複製和微信分享

菜單事件包括，剪切、拷貝、全選、分享...，此 demo 只有 copy、share

1.定義 field 繼承與 UITextField

- (BOOL)canPerformAction:(SEL)action withSender:(id)sender {
    if (action == @selector(copy:)) {
        return YES;
    }
    return NO;
}

- (void)copy:(id)sender {
    [self resignFirstResponder];
    //持久化，退出程式 copy 的內容還在
    [[UIPasteboard generalPasteboard]setPersistent:YES];
    //拷貝的內容
    [[UIPasteboard generalPasteboard]setValue:self.text forPasteboardType:[UIPasteboardTypeListString objectAtIndex:0]];
}

2.ViewController 載入

field = [[CCField alloc]initWithFrame:CGRectMake(100, 200, 100, 40)];
    field.backgroundColor = [UIColor greenColor];
    [self.view addSubview:field];
    
    UIMenuItem *shareItem = [[UIMenuItem alloc]initWithTitle:@"分享" action:@selector(click)];
    UIMenuController *menu = [UIMenuController sharedMenuController];
    [menu setMenuItems:[NSArray arrayWithObjects:shareItem, nil]];

3.分享的實現，以微信為例，準備工作在這裡

    SendMessageToWXReq *sendReq = [[SendMessageToWXReq alloc]init];
    // 使用文本信息
    sendReq.bText = YES;
    // 發到還有列表 ， 預設是 0
    sendReq.scene = 0;
    
    sendReq.text = field.text;
    //發送分享信息
    [WXApi sendReq:sendReq];
    NSLog(@"213");

完成demo 在 githud，點我查看