UITextView控件详解

self.textView = [[[UITextView  alloc] initWithFrame:self.view.frame] autorelease]; //初始化大小并自动释放
 2
 3 self.textView.textColor = [UIColor blackColor];//设置textview里面的字体颜色 
 4
 5 self.textView.font = [UIFont fontWithName:@"Arial" size:18.0];//设置字体名字和字体大小 
 6
 7 self.textView.delegate = self;//设置它的委托方法 
 8
 9 self.textView.backgroundColor = [UIColor whiteColor];//设置它的背景颜色
10
11 self.textView.text = @"Now is the time for all good developers to come to serve their country.\n\nNow is the time for all good developers to come to serve their country.";//设置它显示的内容 
12
13 self.textView.returnKeyType = UIReturnKeyDefault;//返回键的类型 
14
15 self.textView.keyboardType = UIKeyboardTypeDefault;//键盘类型 
16
17 self.textView.scrollEnabled = YES;//是否可以拖动 
18
19 self.textView.autoresizingMask = UIViewAutoresizingFlexibleHeight;//自适应高度
20
把键盘的回车键当初键盘弹回按钮
pragma mark - UITextView Delegate Methods    

-(BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
{   

    if ([text isEqualToString:@"\n"]) {   

        [textView resignFirstResponder];   

        return NO;   

    }

    return YES;   

}
对textView字数限制
- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text   
{   
    if (range.location>=100)    
    {   
        return  NO;   
    }   
    else    
    {   
        return YES;   
    }   
}   
作者：lmmilove