#import "ViewController.h"#define keyBoardHight 150@interface ViewController ()@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
self.MessageInputTF.delegate = self;
}
#pragma mark UItextField的代理方法
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
[UIView animateWithDuration:0.5 animations:^{
self.view.frame = CGRectMake(0, -keyBoardHight, self.view.frame.size.width, self.view.frame.size.height);
}];
NSLog(@"输入框将要开始输入内容");
return YES;
}
- (BOOL)textFieldShouldEndEditing:(UITextField *)textField
{
NSLog(@"输入框将要结束输入内容");
return YES;
}
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
NSLog(@"输入框将要返回");
[textField resignFirstResponder];
[UIView animateWithDuration:0.5 animations:^{
self.view.frame = CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height);
}];
return YES;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (IBAction)ClickSendMessageBtn:(id)sender {
NSString *MessageToSendStr = self.MessageInputTF.text;
//获取用户输入的信息，根据邮箱的正则表达式判断用户的信息
NSString *regexStr = @"\\d{5,11}@\\w{0,4}qq.com";
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regexStr];
NSError *error;
// NSRegularExpression是用Unicode字符串表达和应用正则表达式的类
/* 匹配是不区分大小写 */
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:regexStr
options:NSRegularExpressionCaseInsensitive
error:&error];
NSArray *arrayOfAllMatches = [regex matchesInString:MessageToSendStr options:0 range:NSMakeRange(0, [MessageToSendStr length])];
//NSString *subStr;
NSMutableArray *arr=[[NSMutableArray alloc]init];
NSArray *rangeArr=[[NSMutableArray alloc]init];
NSMutableAttributedString *attributedStr = [[NSMutableAttributedString alloc]initWithString:MessageToSendStr];
for (NSTextCheckingResult *match in arrayOfAllMatches)
{
NSString* substringForMatch;
substringForMatch = [MessageToSendStr substringWithRange:match.range];
[arr addObject:substringForMatch];
[attributedStr addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:match.range];
}
NSString *subStr = MessageToSendStr;
for (NSString *str in arr)
{
subStr=[subStr stringByReplacingOccurrencesOfString:str withString:@"邮箱地址"];
}
self.MessageShowLable.attributedText = attributedStr;
// BOOL ifMatches = [predicate evaluateWithObject:MessageToSendStr];
// //将Lable的颜色初始化
// self.MessageShowLable.textColor = [UIColor blackColor];
// //把是邮箱格式的字符串高亮显示
// if (ifMatches == YES) {
// //字符串高亮
// self.MessageShowLable.textColor = [UIColor redColor];
// }else
// {
// //保持原来的颜色
//
// }
// self.MessageShowLable.text = MessageToSendStr;
self.MessageInputTF.text = @"";
}
@end
