UITextField *textF = [[UITextField alloc]initWithFrame:CGRectMake(0, kFitH(100), kScreenWidth, kFitH(60))];
//設置代理
textF.delegate = self;
//背景
textF.backgroundColor = [UIColor whiteColor];
textF.placeholder = @" 輸入手機號碼";
typedef enum {
UIKeyboardTypeDefault, 默認鍵盤，支持所有字符
UIKeyboardTypeASCIICapable, 支持ASCII的默認鍵盤
UIKeyboardTypeNumbersAndPunctuation, 標准電話鍵盤，支持＋＊＃字符
UIKeyboardTypeURL, URL鍵盤，支持.com按鈕 只支持URL字符
UIKeyboardTypeNumberPad, 數字鍵盤
UIKeyboardTypePhonePad, 電話鍵盤
UIKeyboardTypeNamePhonePad, 電話鍵盤，也支持輸入人名
UIKeyboardTypeEmailAddress, 用於輸入電子 郵件地址的鍵盤
UIKeyboardTypeDecimalPad, 數字鍵盤 有數字和小數點
UIKeyboardTypeTwitter, 優化的鍵盤，方便輸入@、#字符
UIKeyboardTypeAlphabet = UIKeyboardTypeASCIICapable,
} UIKeyboardType;
[self.textF setKeyboardType:UIKeyboardTypeNumberPad];
但是會報錯，目前沒有解決辦法，哪位大神會解決麻煩告訴小的
報錯信息：Can't find keyplane that supports type 4 for keyboard iPhone-PortraitChoco-NumberPad; using 1336863583_PortraitChoco_iPhone-Simple-Pad_Default
//添加clearButton
textF.clearButtonMode = UITextFieldViewModeWhileEditing;
//設置為加邊框的模式，但是鄙人都是使用layer加borderd的方法，例如：
fieldF.layer.cornerRadius = 5;
fieldF.layer.masksToBounds = YES;
fieldF.layer.borderColor = [UIColor redColor].CGColor;
fieldF.layer.borderWidth = 2;
fieldF.borderStyle = UITextBorderStyleRoundedRect;
//設置輸入為安全模式
fieldF.secureTextEntry = YES;
//對齊方式，目前沒有什么用
textF.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
//設置placeholder的字體，必須和text字體一致，否則不能對齊
[textF setValue:[UIFont fontWithName:kFontPingFangMedium size:kFitFontSize(32)] forKeyPath:@"_placeholderLabel.font"];
//設置文字的字體
textF.font = [UIFont fontWithName:kFontPingFangMedium size:kFitFontSize(32)];
//設置光標的顏色
textF.tintColor = [UIColor grayColor];
//設置光標左移
UIView *leftVie = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 10, 0)];
textF.leftView = leftVie;
//設置左邊view的顯示方式
textF.leftViewMode = UITextFieldViewModeAlways;
// 監聽電話號碼的改變
[textF addTarget:self action:@selector(textChanged:) forControlEvents:UIControlEventEditingChanged];
placeholder的顏色不能直接進行設置，我們可以利用分類的方式進行添加屬性
分類.h
#import <UIKit/UIKit.h>
@interface UITextField (Placeholder)
@property (nonatomic, strong)UIColor* placeholderColor;
@end
分類.m
#import "UITextField+Placeholder.h"
#import <objc/message.h>
@implementation UITextField (Placeholder)
-(void)setPlaceholderColor:(UIColor *)placeholderColor{
objc_setAssociatedObject(self, @"placeholderColor", placeholderColor, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
UILabel *placeLabel = [self valueForKey:@"placeholderLabel"];
placeLabel.textColor = placeholderColor;
}
- (UIColor *)placeholderColor{
return objc_getAssociatedObject(self, @"placeholderColor");
}
在需要設置顏色的類中導進
#import "UITextField+Placeholder.h"
就可以設置顏色了
fieldF.placeholderColor = [UIColor redColor];
//設置與之相關的代理方法
- (void)textFieldDidBeginEditing:(UITextField *)textField{
//成為第一響應者
[textField becomeFirstResponder];
}
//判斷手機號是不是11位並截取到11位
- (void)textChanged:(UITextField *)field {
if (field == self.textF) {
if (field.text.length<11) {
self.navigationItem.rightBarButtonItem.enabled = NO;
}else{
field.text = [field.text substringToIndex:11];
self.navigationItem.rightBarButtonItem.enabled = YES;
[field resignFirstResponder];
}
}
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
[self.textF resignFirstResponder];
}
-(BOOL)textFieldShouldClear:(UITextField *)textField{
return YES;
}
一下是textField經常用到的相關方法
//只允許輸入數字，且只有11位數
-(BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{
if (textField.text.length == 11) {
if ([string isEqualToString:@""]) {
return YES;
}
else {
return NO;
}
}
return [self validateNumber:string];
}
//只允許輸入數字
- (BOOL)validateNumber:(NSString*)number{
BOOL res = YES;
NSCharacterSet* tmpSet = [NSCharacterSet characterSetWithCharactersInString:@"0123456789"];
int i = 0;
while (i < number.length) {
NSString * string = [number substringWithRange:NSMakeRange(i, 1)];
NSRange range = [string rangeOfCharacterFromSet:tmpSet];
if (range.length == 0) {
res = NO;
break;
}
i++;
}
return res;
}
//檢查是否為手機號的方法
-(BOOL)checkPhoneNumInput:(NSString *)phoneStr
{
NSString *photoRange = @"^1(3[0-9]|4[0-9]|5[0-9]|7[0-9]|8[0-9])\\d{8}$";//正則表達式
NSPredicate *regexMobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",photoRange];
BOOL result = [regexMobile evaluateWithObject:phoneStr];
if (result) {
return YES;
} else {
return NO;
}
}
