//字符串分割／前

+(NSString*)string1:(NSString*)str

{

    NSRange range = [str rangeOfString:@"||"];

    NSString *subStr = [str substringToIndex:range.location];

   // NSLog(@"分割前===%@",subStr);

    return subStr;

}

//字符串分割／后

+(NSString*)string2:(NSString*)str

{

    NSRange range = [str rangeOfString:@"||"];

    // /之后的range

    range.location+= range.length;

    range.length= [str length] - range.location;

    NSString*subStr = [str substringWithRange:range];

  //  NSLog(@"分割后===%@",subStr);

    return subStr;

}