UIImageView *fieldImage=[[UIImageViewalloc]initWithFrame:CGRectMake(37,48+35,240, 32)];
fieldImage.userInteractionEnabled=YES;
fieldImage.contentStretch=CGRectMake(0,0.4, 1, 0.5);
fieldImage.image=[UIImageimageNamed:@"输入框"];
[self.viewaddSubview:fieldImage];
