2023年7月14日发(作者：)

ios开发之--textview意见反馈页⾯（占位label，字数统计，提交按钮的交互设置）...记录⼀个页⾯的功能：textview的占位符，字数统计，提交按钮的交互设置，具体效果图如下：输⼊效果：具体实现代码如下：1，设置代理@interface FKViewController ()2，我是直接xib拖拽的控件@property (weak, nonatomic) IBOutlet UITextView *FKTextView;@property (weak, nonatomic) IBOutlet UILabel *descLab;@property (weak, nonatomic) IBOutlet UIButton *sendBtn;@property (weak, nonatomic) IBOutlet UILabel *stringlenghtLab;3，viewDidLoad⾥⾯te = self; teractionEnabled = NO; teractionEnabled = NO; oundColor = [UIColor lightGrayColor];4，具体代理⽅法实现-(void)textViewDidChange:(UITextView *)textView{ = YES; teractionEnabled = YES; oundColor = MainColor; //实时显⽰字数 = [NSString stringWithFormat:@"%ld/100",(long)];

//字数限制 if ( >= 100) { = [ substringToIndex:100]; }

//取消按钮点击权限，并显⽰⽂字 if ( == 0) { = NO; teractionEnabled = NO; oundColor = [UIColor lightGrayColor]; }}-(BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text{ if ([text isEqualToString:@"n"]) {

[View resignFirstResponder];

return NO; }

return YES;}仅做记录！