IOS TextField 根据输入，分割整数与小数部分

来源：互联网发布：php 地方门户系统编辑：程序博客网时间：2024/05/16 17:42

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{    NSString *valueStr = nil;    if (string.length > 0)     {        if (textField.text.length >6) {            return NO;        }        else {            NSArray *tmp = [string componentsSeparatedByString:@"."];//分割字符串            if (tmp.count > 1) {                return NO;            }            NSString *newString = nil;            newString = [string stringByReplacingOccurrencesOfRegex:@"[^0-9.]" withString:@""];            if (newString == @"") {                return NO;            }            valueStr = [NSString stringWithFormat:@"%.0f",[textField.text doubleValue]*10];        }        textField.text = [valueStr stringByAppendingFormat:@"."];    }    else {        valueStr = [NSString stringWithFormat:@"%.2f",[textField.text doubleValue]/10];        textField.text = valueStr;    }    return YES;}