ios解析csv文件

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NSString *path = [[NSBundlemainBundle] pathForResource:

@"citys" ofType:@"csv"];

NSStringEncoding gbkEncoding =CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000);

NSData *data = [NSDatadataWithContentsOfFile:path];

NSString *string2 = [[NSStringalloc]initWithData:dataencoding:gbkEncoding];

NSString* fileContents =

[NSStringstringWithContentsOfFile:path

encoding:gbkEncoding error:nil];

NSArray* allLinedStrings =[string2 componentsSeparatedByString:@"\n"];

self.poiTypes = [[NSMutableDictionaryalloc] initWithCapacity:[allLinedStringscount]];

for (int i =0; i<allLinedStrings.count; i++)

{

NSString *trimmedString = [allLinedStrings objectAtIndex:i];

NSArray* singleStrs =

[trimmedString componentsSeparatedByString:@","];

[self.poiTypessetObject:singleStrs forKey:[singleStrs objectAtIndex:0]];

}

allLinedStrings数组里每个元素是csv列表里的一横排字符

poiTypes字典里是把每一横排字符通过逗号分隔成一个小数组，然后把这个小数组的第一个元素作为key，把小数组作为value

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