iOS中searchBar(搜索框)光标初始位置后移

#import <UIKit/UIKit.h>@interface SearchBar : UITextField@property (nonatomic,strong) UIButton *button;+ (instancetype)searchBar;@end#import "SearchBar.h"@implementation SearchBar- (id)initWithFrame:(CGRect)frame{self = [super initWithFrame:frame];if (self) {self.font = [UIFont systemFontOfSize:15];self.placeholder = @" 输入品种关键字";//设置边框和边框颜色self.borderStyle=UITextBorderStyleNone;self.layer.cornerRadius=15.0f;self.layer.masksToBounds=YES;self.layer.borderColor=[[UIColor colorWithRed:224/255.0 green:243/255.0 blue:223/255.0 alpha:1.0]CGColor];self.layer.borderWidth= 2.0f;UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40, 30)];[button setBackgroundImage:[UIImage imageNamed:@"seachBar_rightView"] forState:UIControlStateNormal];[button setTitle:@"搜索" forState:UIControlStateNormal];[button setTitleColor:[UIColor colorWithRed:119/255.0 green:166/255.0 blue:16/255.0 alpha:1.0] forState:UIControlStateNormal];button.titleLabel.font = [UIFont systemFontOfSize:18.0];button.titleLabel.textColor = [UIColor colorWithRed:119/255.0 green:166/255.0 blue:16/255.0 alpha:1.0];button.titleLabel.textColor = [UIColor redColor];self.rightView = button;self.rightViewMode = UITextFieldViewModeAlways;//这里设置光标位置，让光标位置后移10self.leftView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 10, 0)];self.leftViewMode = UITextFieldViewModeAlways;}return self;}+ (instancetype)searchBar{return [[self alloc] init];}

//这里设置光标位置，让光标位置后移10textField.leftView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 10, 0)];textField.leftViewMode = UITextFieldViewModeAlways;