float转string
带千位符 ( 逗号 )
默认为.2f格式,需要其他请自行修改
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- (NSString*) numberToMathString:(float) num
{ NSArray * array = [[NSString stringWithFormat:@"%.2f",num/100] componentsSeparatedByString:@"."];
int
len = [array[0] length]; int
x = len%3; int
y = len/3; int
dotNumber = y; if
(x == 0) {
dotNumber -= 1;
x = 3;
}
NSMutableString * rs = [@""
mutableCopy]; [rs appendString:[array[0] substringWithRange:NSMakeRange(0, x)]];
for
(int
i=0; i<dotNumber; i++) {
[rs appendString:@","];
[rs appendString:[array[0] substringWithRange:NSMakeRange(x + i*3, 3)]];
}
[rs appendString:@"."];
[rs appendString:array[1]];
return
rs; } |
原文：http://blog.csdn.net/u014311042/article/details/42389201