2021-11-04 1.更新SDK

JLChen

2021-11-04 1443556e9ccb1a19ed8e6710c16c8adc4d4f4fb3

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//
//  Copyright © 2019 jm. All rights reserved.
//
 
#import "UISearchBar+Lechange.h"
 
@implementation UISearchBar (Lechange)
 
-(void)changeLeftPlaceholder:(NSString *)placeholder {
    self.placeholder = placeholder;
    SEL centerSelector = NSSelectorFromString([NSString stringWithFormat:@"%@%@", @"setCenter", @"Placeholder:"]);
    if ([self respondsToSelector:centerSelector]) {
        BOOL centeredPlaceholder = NO;
        NSMethodSignature *signature = [[UISearchBar class] instanceMethodSignatureForSelector:centerSelector];
        NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
        [invocation setTarget:self];
        [invocation setSelector:centerSelector];
        [invocation setArgument:&centeredPlaceholder atIndex:2];
        [invocation invoke];
    }
}
@end