iOS解析数字字符串会转变成科学计数法问题

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 2 
 3 //使用此方法转换即可
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 5  
 6 
 7 - (NSString *)formartScientificNotationWithString:(NSString *)str{
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 9     long double num = [[NSString stringWithFormat:@"%@",str] floatValue];
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11     NSNumberFormatter * formatter = [[NSNumberFormatter alloc]init];
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13     formatter.numberStyle = kCFNumberFormatterNoStyle;
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15     NSString * string = [formatter stringFromNumber:[NSNumber numberWithDouble:num]];
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17     return [NSString calculateFormat:string];
18 
19 }
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21  

 

转载于:https://www.cnblogs.com/yevgeni/p/6929442.html

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