ios 点击按钮实现复制功能

UIPasteboard*pab = [UIPasteboardgeneralPasteboard];

NSString*string =self.shopQQ;

[pabsetString:string];

if(pab ==nil) {

[TDBaseToolshowMessage:@"复制失败"time:1.0];

}else{

[TDBaseToolshowMessage:@"复制成功"time:1.0];

}