剪貼簿功能

1，複製貼上字串

//這個是需要輸入的資訊，即是要複製的資訊

uitextfield *textfild = [[uitextfield alloc] init];
self.textfild = textfild;
textfild.placeholder = @"請輸入資訊";
textfild.font = [uifont systemfontofsize:17];
[textfild settextcolor:[uicolor redcolor]];
textfild.frame = cgrectmake(10, 60, [uiscreen mainscreen].bounds.size.width-20, 40);
textfild.borderstyle = uitextborderstyleroundedrect;
[self.view addsubview:textfild];
//把上面複製的資訊貼上到這個控制項中，用
uitextfield *textfild2 = [[uitextfield alloc] init];
self.textfild2 = textfild2;
textfild2.placeholder = @"請輸入資訊2";
textfild2.font = [uifont systemfontofsize:17];
[textfild2 settextcolor:[uicolor redcolor]];
textfild2.frame = cgrectmake(10, cgrectgetmaxy(textfild.frame)+10, [uiscreen mainscreen].bounds.size.width-20, 40);
textfild2.borderstyle = uitextborderstyleroundedrect;
[self.view addsubview:textfild2];

執行下面的方法會把textfild中的資訊貼上給textfild2

/**

共享的字串
*/- (void)sharensstring

//要被複製的

uiimageview *imageview1 = [[uiimageview alloc] init];
self.imageview1 = imageview1;
imageview1.frame = cgrectmake(10, cgrectgetmaxy(textfild2.frame)+10, 100, 100);
imageview1.contentmode = uiviewcontentmodescaleaspectfill;
imageview1.clipstobounds = yes;
imageview1.image = [uiimage imagenamed:@"wuyifan"];
[self.view addsubview:imageview1];
//貼上**
uiimageview *imageview2 = [[uiimageview alloc] init];
self.imageview2 = imageview2;
imageview2.frame = cgrectmake(10, cgrectgetmaxy(imageview1.frame)+20, 100, 100);
imageview2.contentmode = uiviewcontentmodescaleaspectfill;
imageview2.clipstobounds = yes;
[self.view addsubview:imageview2];

執行下面的方法把複製的貼上到imageview2上

/**

共享data資料
*/- (void)sharedata

3,剪貼簿和 url scheme之間的比較

剪貼簿不僅消耗記憶體，也需要額外的時間來讀寫，程式進入後台等狀態時，應當清除剪貼簿，pastedboard.items = nil;

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