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textView 圆角
#import <QuartzCore/QuartzCore.h>
[self.content.layer setBackgroundColor:[[UIColor whiteColor] CGColor]];
[self.content.layer setBorderColor:[[UIColor grayColor] CGColor]];
[self.content.layer setBorderWidth:1.0];
[self.content.layer setCornerRadius:8.0];
[self.content.layer setMasksToBounds:YES];
self.content.clipsToBounds = YES;
// 商品标题
imputFeedBackTextView=[[UITextView alloc] initWithFrame:CGRectMake(20, 100, 280, 130)];
imputFeedBackTextView.font = [UIFont systemFontOfSize:15];
imputFeedBackTextView.backgroundColor = [UIColor whiteColor];
[self.view addSubview:imputFeedBackTextView];
imputFeedBackTextView.hidden=NO;
imputFeedBackTextView.delegate = self;
// 添加商品标题placeholder
labelplaceHorder=[[UILabel alloc]initWithFrame:CGRectMake(25, 105,200,20)];
labelplaceHorder.text = @"请添加商品描述";
labelplaceHorder.font = [UIFont systemFontOfSize:15];
labelplaceHorder.textColor=[UIColor colorWithRed:200/256.0 green:200/256.0 blue:200/256.0 alpha:1];
// labelGoodsDescription.enabled = NO; // 设置为不可用
[imputFeedBackTextView.layer setBackgroundColor:[[UIColor whiteColor] CGColor]];
[imputFeedBackTextView.layer setBorderColor:[[UIColor colorWithRed:0.85 green:0.85 blue:0.85 alpha:1] CGColor]];
[imputFeedBackTextView.layer setBorderWidth:1.0];
[imputFeedBackTextView.layer setCornerRadius:6.0];
[imputFeedBackTextView.layer setMasksToBounds:YES];
imputFeedBackTextView.clipsToBounds = YES;
[self.view addSubview:labelplaceHorder];
//实现UITextView的代理
-(void)textViewDidChange:(UITextView *)textView
{
if (imputFeedBackTextView.text.length == 0) {
labelplaceHorder.text = @"请添加商品描述";
}else{
labelplaceHorder.text = @"";
}
}