iOS开发教程之UI-UIField

ios开发教程之ui-uifield，同样在rootviewcontroller.m文件中。

#import "rootviewcontroller.h"

@interface rootviewcontroller () //第一个条件 签订协议，好比我要卖安利的产品，我首先要跟安利签订一个协议

@end

@implementation rootviewcontroller

- (void)viewdidload {
    [super viewdidload];
    // do any additional setup after loading the view.

    //学习输入框
    uitextfield *field = [[uitextfield alloc] initwithframe:cgrectmake(20, 100, 260, 50)];
    field.backgroundcolor = [uicolor greencolor];
    [self.view addsubview:field];

    //友情提示文字
    field.placeholder = @"请输入密码。。。";
    //字体颜色
    field.textcolor = [uicolor whitecolor];
    //字体大小
    field.font = [uifont systemfontofsize:25];
    //密文输入
    field.securetextentry = yes;
    //右侧清空
    field.clearbuttonmode = uitextfieldviewmodealways;
    //是否允许输入
    field.enabled = no;
    //键盘的类型
    field.keyboardtype = uikeyboardtypenumberpad;
    //边框
    field.borderstyle = uitextborderstyleroundedrect;
    //自己加边框
    field.layer.bordercolor = [uicolor redcolor].cgcolor;
    field.layer.borderwidth = 2;
    field.layer.cornerradius = 5;
    field.layer.maskstobounds = yes;

    //return键的样式
    field.returnkeytype = uireturnkeygo;

    //代理方法
    //第二个条件 指定代理人 好比安利公司指定我(self)为代理人
    field.delegate = self;

}
//第三个条件 就可以卖安利的产品
-(bool)textfieldshouldreturn:(uitextfield *)textfield
{

    nslog(@"你点了return键");
    //把键盘回收
    //[textfield resignfirstresponder];
    [textfield endediting:yes];
    return yes;
}