iOS入门教程之UITextField解析

ios入门教程之uitextfield解析。

//
//  viewcontroller.m
//  uitextfield
//
//  created by hhg on 15/9/22.
//  copyright (c) 2015年 mac. all rights reserved.
//

#import "viewcontroller.h"

@interface viewcontroller ()

@end

@implementation viewcontroller

- (void)viewdidload {
 [super viewdidload];

 uitextfield *textfield = [[uitextfield alloc]initwithframe:cgrectmake(100, 100, 150,100)];

 textfield.backgroundcolor = [uicolor cyancolor];

 [self.view addsubview:textfield];

 textfield.layer.borderwidth = 1;
 [textfield setborderstyle:uitextborderstyleroundedrect];  // 文字是否贴边框

 [textfield setplaceholder:@"请输入内容"];

 [textfield setsecuretextentry:yes];

 textfield.delegate = self;

 // 再次编辑是否清空
 textfield.clearsonbeginediting = yes;

 // 字体大小 = textfield的有效宽度/内容的字节数。
 textfield.font = [uifont systemfontofsize:60]; // 最大值

 textfield.minimumfontsize = 20; // 最小值

 textfield.adjustsfontsizetofitwidth = yes;


 // 清空按键
 [textfield setclearbuttonmode:uitextfieldviewmodewhileediting];

 //类型
 //[textfield setkeyboardtype:uikeyboardtypedecimalpad];

 //风格（样式）
 [textfield setkeyboardappearance:uikeyboardappearancedefault];

 self.view.userinteractionenabled = yes;

 uitapgesturerecognizer *tap = [[uitapgesturerecognizer alloc]init];
 [self.view addgesturerecognizer:tap];
 [tap addtarget:self action:@selector(tapclick)];
}

#pragma mark -  uitextfield协议方法
-(void)textfielddidbeginediting:(uitextfield *)textfield {
 nslog(@"已经进入编辑");
}

-(void)textfielddidendediting:(uitextfield *)textfield {
 nslog(@"已经结束编辑");
}

-(bool)textfieldshouldbeginediting:(uitextfield *)textfield {
 nslog(@"是否允许再次编辑");
 return  yes;
}

-(bool)textfieldshouldclear:(uitextfield *)textfield {
 nslog(@"是否允许清空");
 return  yes;
}

-(bool)textfieldshouldendediting:(uitextfield *)textfield {
 nslog(@"是否结束编辑");
 return yes;
}

-(bool)textfieldshouldreturn:(uitextfield *)textfield {
 nslog(@"是否使用return");
 [textfield resignfirstresponder];
 return yes;
}

-(void)tapclick {
 [self.view endediting:yes];
}

- (void)didreceivememorywarning {
 [super didreceivememorywarning];
}

@end