自定义textView的placeholder和边框

想实现的效果:

//

//  LHQsuggestionViewCtrl.m

//  A13 - 设置

//

//  Created by vic fan on 16/6/23.

//  Copyright © 2016年 李洪强. All rights reserved.

//

#import "LHQsuggestionViewCtrl.h"

#define ScreenWidth [UIScreen mainScreen].bounds.size.width

#define ScreenHeight [UIScreen mainScreen].bounds.size.height

@interface LHQsuggestionViewCtrl ()<UITextViewDelegate>

@property(nonatomic,strong)UILabel *label1;

@property(nonatomic,weak)UITextView *textView1;

@end

@implementation LHQsuggestionViewCtrl

- (void)viewDidLoad{

[super viewDidLoad];

self.title = @"意见反馈";

//  self.view.backgroundColor = [UIColor colorWithRed:239/255.0 green:239/255.0 blue:244/255.0 alpha:1];

self.view.backgroundColor = [UIColor whiteColor];

//----------------------设置带place

UITextView *textView = [[UITextView alloc] init];

self.textView1 = textView;

self.textView1.font = [UIFont systemFontOfSize:14];

self.textView1.frame =CGRectMake(20, 150,[UIScreen mainScreen].bounds.size.width -40, 200);

self.textView1.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;

self.textView1.layer.borderColor = [UIColor colorWithRed:239/255.0 green:239/255.0 blue:244/255.0 alpha:1].CGColor;

self.textView1.layer.masksToBounds = YES;

self.textView1.layer.borderWidth = 1;

self.textView1.backgroundColor = [UIColor whiteColor];

//    self.modalPresentationCapturesStatusBarAppearance = NO;

//    self.edgesForExtendedLayout = UIRectEdgeNone;

//    self.extendedLayoutIncludesOpaqueBars = NO;

[self.view addSubview:self.textView1];

self.textView1.hidden = NO;

self.textView1.delegate = self;

self.automaticallyAdjustsScrollViewInsets =NO;

//其次在UITextView上面覆盖个UILable,UILable设置为全局变量。

UILabel *label1 = [[UILabel alloc]init];

self.label1 = label1;

self.label1.frame =CGRectMake(3, 3, [UIScreen mainScreen].bounds.size.width -50, 20);

self.label1.text = @"请输入您的宝贵意见,建议,我们将不断完善";

self.label1.enabled = NO;//lable必须设置为不可用

self.label1.backgroundColor = [UIColor clearColor];

self.label1.font = [UIFont systemFontOfSize:14];

[self.textView1 addSubview:self.label1];

//----------------------------------------------------------

UILabel *topLabel = [[UILabel alloc]initWithFrame:CGRectMake(10, 80, 150, 30)];

topLabel.text = @"您的宝贵建议:";

[self.view addSubview:topLabel];

}

//  实现UITextView的代理

-(void)textViewDidChange:(UITextView *)textView

{

self.textView1.text = textView.text;

if (textView.text.length == 0) {

self.label1.text = @"请输入您的宝贵意见,建议,我们将不断完善";

}else{

self.label1.text = @"";

}

}

- (BOOL)textViewShouldBeginEditing:(UITextView *)textView{

self.label1.text = @"";

//  [self.label1 removeFromSuperview];

return YES;

}

- (BOOL)textViewShouldEndEditing:(UITextView *)textView{

self.label1.text = @"请输入您的宝贵意见,建议,我们将不断完善";

return YES;

}

- (void)btnClick{

NSLog(@"点击了提示");

}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

[UIView animateWithDuration:0.8 animations:^{

[self.view endEditing:YES];

}];

}

@end