根据关键字分割字符串 NSString 分割

根据+号分割字符串

#pragma mark 物料码处理 C+20151208+SC00004938+40+13163004++1067++N00L0000000000000000000010"

-(NSString *)segmentationStr:(NSString *)str

{

    if (str.length >15) {

        NSArray *array = [strcomponentsSeparatedByString:@"+"];

        str = array[2];

    }

    return str;

}