请输入标题 请输入文本内容

//

//  ViewController.m

//  123

//

//  Created by 红珊瑚 on 15/5/6.

//  Copyright (c) 2015年 红珊瑚. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()<UITextFieldDelegate,UITextViewDelegate>

{

   UILabel *label;

}

@end

@implementation ViewController

- (void)viewDidLoad

{

    [superviewDidLoad];

   UITextField *textField=[[UITextFieldalloc]initWithFrame:CGRectMake(30,60,260,30)];

    textField.backgroundColor=[UIColorblueColor];

    textField.text=@"请输入标题";

    textField.textColor=[UIColorlightGrayColor];

    //textField.alpha=0.7;

    

    UITextView *textView=[[UITextViewalloc]initWithFrame:CGRectMake(20,120,280,200)];

    textView.backgroundColor=[UIColorbrownColor];

    label=[[UILabelalloc]initWithFrame:CGRectMake(30,120,260,30)];

    label.text=@"请输入文本内容";

   label.alpha=0.5;

    

    [self.viewaddSubview:textField];

    [self.viewaddSubview:textView];

    [self.viewaddSubview:label];

    

    textField.delegate=self;

}

-(void)textFieldDidBeginEditing:(UITextView *)textView

{

   NSLog(@"点");

   label.alpha=1;

    //[self.view addSubview:label];

}

-(void)textFieldDidEndEditing:(UITextView *)textView

{

   NSLog(@"放");

   label.text=nil;

    //label.alpha=0;

    //[label removeFromSuperview];

    

}

- (void)didReceiveMemoryWarning

{

    [superdidReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end