searchBar 搜索框 光标初始位置后移

iOS点滴

#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10
        self.leftView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 10, 0)];
        self.leftViewMode = UITextFieldViewModeAlways;
    }
    return self;
}
+ (instancetype)searchBar
{
    return [[self alloc] init];
}
@end