ios 中的字数统计
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- (int)sinaCountWord:(NSString*)s
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{
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int i,n=[s length],l=0,a=0,b=0;
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unichar c;
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for(i=0;i<n;i++){
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10 c=[s characterAtIndex:i];
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12 if(isblank(c)){
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14 b++;
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16 }else if(isascii(c)){
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18 a++;
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20 }else{
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22 l++;
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24 }
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26 }
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28 if(a==0 && l==0) return 0;
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30 return l+(int)ceilf((float)(a+b)/2.0);
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32 }