【代碼筆記】點評內容，代碼筆記點評

【代碼筆記】點評內容，代碼筆記點評

一，。

二，工程圖。

三，代碼。

ViewController.h

#import <UIKit/UIKit.h>@interface ViewController : UIViewController<UITextViewDelegate>{    //評論內容    UITextView *commentTextView;}@end

 

ViewController.m

#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.        //初始化點評內容    [self addCommentView];    }#pragma -mark -functions//初始化點評內容-(void)addCommentView{    //點評內容    commentTextView=[[UITextView alloc]initWithFrame:CGRectMake(50, 180, 300, 90)];    commentTextView.text=@"親，您對商戶感覺如何，環境怎樣，服務態度如何。(500字元內)";    commentTextView.font=[UIFont systemFontOfSize:14];    commentTextView.backgroundColor=[UIColor redColor];    commentTextView.delegate=self;    [self.view addSubview:commentTextView];}#pragma mark - UITextView Delegate Methods-(BOOL)textViewShouldBeginEditing:(UITextView *)textView{    if ([textView.text isEqualToString:@"親，您對商戶感覺如何，環境怎樣，服務態度如何。(500字元內)"]) {        textView.text=@"";    }    return YES;}-(BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text{        if ([text isEqualToString:@"\n"]) {        [textView resignFirstResponder];        return NO;    }    return YES;}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}