这次的学习的内容是关于在button动态方法连接多个switch 和textfield
目标：这次的学习的内容是关于在button动态方法连接多个switch 和textfield, switch判定textfield的显示结果, 使用代码获取button动态方法，并且在interfaceBuilder内对button，switch和textfield进行动态交互连接，然后显示运行结果。
编码：
//
// ViewController.h
// hhhh
//
// Created by bitcar on 12-7-10.
// Copyright (c) 2012年 bitcar . All rights reserved.
//
#import <UIKit/UIKit.h>
#import <Foundation/Foundation.h>
@interface ViewController : UIViewController
{
IBOutlet UITextField *passwordlength;
IBOutlet UITextField *password;
IBOutlet UISwitch *includeUpperCase;
IBOutlet UISwitch *includeLowerCase;
IBOutlet UISwitch *includeNumbers;
}
@property (nonatomic, retain) UITextField *passwordlength;
@property (nonatomic, retain) UITextField *password;
@property (nonatomic, retain) UISwitch *includeUpperCase;
@property (nonatomic, retain) UISwitch *includeLowerCase;
@property (nonatomic, retain) UISwitch *includeNumbers;
//-(IBAction)setPassword:(id)sender;
- (IBAction)onPasswordButtonClick:(id)sender;
@end
#import "ViewController.h"
@implementation ViewController
@synthesize passwordlength, password;
@synthesize includeLowerCase, includeNumbers, includeUpperCase;
#define RANDOM_SEED() srandom(time(NULL))
//定义随机值，用最小值和最大值和随机数来计算，返回整数值
#define RANDOM_INT(_MIN_, _MAX_) ((_MIN_) +random() % ((_MAX_ +1) - (_MIN_)))
//控件输入返回判定方法
- (BOOL) textFieldShouldReturn: (UITextField*)textField
{
if(textField == password)
{
[password resignFirstResponder];//隐藏密码文本框输入的键盘
}
if(textField == passwordlength)
{
[passwordlength resignFirstResponder];//隐藏密码长度文本框输入的键盘
}
return YES;
}
//button方法，点击的密码显示在文本框里
//-(IBAction)setPassword:(id)sender
- (IBAction)onPasswordButtonClick:(id)sender
{
//输入密码长度
NSInteger iPasswordLength = [passwordlength.text intValue];
//打开字母小写
BOOL bIncludeLowerCase = includeLowerCase.on;
//打开字母大写
BOOL bIncludeUpperCase = includeUpperCase.on;
//打开数字
BOOL bIncludeNumbers = includeNumbers.on;
NSString *passwordText = @"";
//定义a到z字母
NSString *lowercaseChars = @"abcdefghijklmnopqrstuvwxyz";
//定义A到Z字母
NSString *uppercaseChars = @"ABCDEFGHIGKLMNOPQRSTUVWXYZ";
//定义数字
NSString *numbersChars = @"1234567890";
//随机变量
RANDOM_SEED();
//字符对象为空
NSString *passwordChars = @"";
//字母小写的条件语句
if(bIncludeLowerCase)
{
passwordChars =
[NSString stringWithFormat:@"%@%@", passwordChars, lowercaseChars];
}
//字母大写的条件语句
if (bIncludeUpperCase) {
passwordChars =
[NSString stringWithFormat:@"%@%@", passwordChars, uppercaseChars];
}
//字母为数字的条件语句
if (bIncludeNumbers) {
passwordChars =
[NSString stringWithFormat:@"%@%@", passwordChars, numbersChars];
}
//数值从0开始，当数值小于密码长度，取得数字字符，获取的数据转换为文字格式
for (NSInteger i=0; i<iPasswordLength; i++)
{
int index = RANDOM_INT(0, [passwordChars length]-1);
NSRange range = NSMakeRange(index,1);
NSString *passwordChar = [passwordChars substringWithRange:range];
passwordText =
[NSString stringWithFormat:@"%@%@", passwordText, passwordChar];
}
password.text = @"";
password.text = passwordText;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void) dealloc
{
[passwordlength release];
[password release];
[includeNumbers release];
[includeLowerCase release];
[includeUpperCase release];
[super dealloc];
}
@end
运行程序：
补充：移动开发 , IOS ,
