笔记篇章之 UITextField 中文字最左边距离左侧边框的距

//在UITextField 中文字最左边距离左侧边框的距离

_textBoxName.leftView = [[UIView alloc] initWithFrame:CGRectMake(0,0,16,51)];

_textBoxName.leftViewMode = UITextFieldViewModeAlways;

=============== 华丽的分割线 =============

//监听UITextField的text的变化：

// 注册监听

[[NSNotificationCenterdefaultCenter]postNotificationName:UITextFieldTextDidChangeNotificationobject:nil];

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(changeForKeyWord:)name:UITextFieldTextDidChangeNotificationobject:nil];

// 监听关键词变化

- (void)changeForKeyWord:(NSNotification*)sender

{

// 关键词改变时清除地区查询条件纪录

[[NSUserDefaultsstandardUserDefaults]setObject:@"0"forKey:@"proRow"];

[[NSUserDefaultsstandardUserDefaults]setObject:@"0"forKey:@"section"];

}

//监听UITextField的点击事件

[[NSNotificationCenterdefaultCenter]postNotificationName:UITextFieldTextDidBeginEditingNotificationobject:nil];

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(enterEdited:)name:UITextFieldTextDidBeginEditingNotificationobject:nil];

- (void)enterEdited:(NSNotification*)sender

{

//事件写这里！希望帮到你！

}