uitextfield

#import "WCPurchaseOrdeDetailsTextImageCell.h"
@interface WCPurchaseOrdeDetailsTextImageCell ()<UITextViewDelegate>
@property(nonatomic,copy)NSString *placeholderStr;
@property(nonatomic,retain)UITextView *myTextView;
@end
@implementation WCPurchaseOrdeDetailsTextImageCell
> - (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(nullable NSString *)reuseIdentifier{
self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
if (!self) return nil;
[self addSubView];
return self;
}
-(void)addSubView{
UIView *superView = self.contentView;
self.placeholderStr = @"对商品有哪些满意或者不满意的呢？写出来吧~";
[superView addSubview:self.myTextView];
}
-(UITextView *)myTextView{
if (_myTextView == nil) {
_myTextView = [[UITextView alloc]initWithFrame:CGRectMake(0,8, SCREEN_WIDHT, SCALE_WIDHT_TO(100))];
_myTextView.textColor = COLORTHREE;
_myTextView.font = [UIFont fontWithName:@"Helvetica-Bold" size:14];
_myTextView.delegate = self;
_myTextView.backgroundColor = COLORTHIRTEENTH;
_myTextView.text = self.placeholderStr;
}
return _myTextView;
}
//编辑结束调用
-(void)textViewDidEndEditing:(UITextView *)textView{
NSLog(@"%@",textView.text);
if ([textView.text isEqualToString:@""]) {
textView.text = _placeholderStr;
textView.textColor = COLORTHREE;
}
}
//触发编辑调用
- (void)textViewDidBeginEditing:(UITextView *)textView{
if ([textView.text isEqualToString:_placeholderStr]) {
textView.text = @"";
textView.textColor = COLORFIVE;
}
}
//编辑中调用
- (void)textViewDidChange:(UITextView *)textView{
if (textView.text.length >200)
{
[self showHint:@"不允许输入超过201字"];
textView.text = [textView.text substringToIndex:200];
}
}
@end