iphone - 如何根据需要格式化字符串

Question

我有三种类型的字符串，我想格式化该字符串以获取街道编号、街道名称、城市名称。

The first type is : 34 Ellis Street, San Francisco
Here i want to make it like 
street number : 34
street name : Ellis Street
city name : San Francisco


The second type is : 4FL, 800 Market Street, San Francisco
Here i want to delete 4FL, 
And i want to make it like 
street number : 800
street name : Market Street
city name : San Francisco

The third type is : Ellis & Market, San Francisco
Here i want to make it like 
street number : 
street name : Ellis & Market
city name : San Francisco

我怎么能这样做或任何显示字符串格式的链接比请建议。是的，我在这里写的字符串只是我得到的字符串格式，每次都会更改字符串。

Answer 1

地址字符串被传递给这个方法，然后它被转换成一个包含 3 个字符串对象的数组，其中包含 streetNumber、streetName 和 cityName。然后将数组返回给调用者。

-(NSArray *)brakeAddress:(NSString *)address{

     NSMutableArray *arr=[NSMutableArray arrayWithArray:[address componentsSeparatedByString:@","]];

     if (arr.count>2) {
     [arr removeObjectAtIndex:0];
     }

     NSInteger streetNameInd=[arr count]-2, cityNameInd=[arr count]-1;

     NSMutableArray *streetNameArray=[NSMutableArray arrayWithObjects:arr[0], nil];

     if ([arr[streetNameInd] intValue]) {

     streetNameArray=[NSMutableArray arrayWithArray:([arr[streetNameInd] componentsSeparatedByString:@" "])];

     [streetNameArray removeObjectAtIndex:0];
     if ([streetNameArray[0] intValue] ==[arr[streetNameInd] intValue]) {
     [streetNameArray removeObjectAtIndex:0];
     }
     }

     NSString *streetName=[streetNameArray componentsJoinedByString:@" "];

     NSString *streetNumber=@"";
     if ([arr[streetNameInd] intValue]!=0) {
     streetNumber=[NSString stringWithFormat:@"%d", [arr[streetNameInd] intValue]];
     }

    NSString *city=arr[cityNameInd];
    // NSLog(@"\nstreet number :%@\nstreet name  :%@\ncity name :%@",streetNumber, streetName,city);

    NSArray *addressParts=[NSArray arrayWithObjects:streetNumber, streetName, city, nil];

    return addressParts;
}

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification{

    NSString *str1=@"34 Ellis Street, San Francisco";
    NSString *str2=@"4FL, 800 Market Street, San Francisco";
    NSString *str3=@"Ellis & Market, San Francisco";

    NSArray *firstAddress=[self brakeAddress:str1];
    NSArray *secondAddress=[self brakeAddress:str2];
    NSArray *thirdAddress=[self brakeAddress:str3];

    NSLog(@"\n1st : street number :%@\nstreet name  :%@\ncity name :%@",firstAddress[0],firstAddress[1],firstAddress[2]);
    NSLog(@"\n2nd : street number :%@\nstreet name  :%@\ncity name :%@",secondAddress[0],secondAddress[1],secondAddress[2]);
    NSLog(@"\n3rd : street number :%@\nstreet name  :%@\ncity name :%@",thirdAddress[0],thirdAddress[1],thirdAddress[2]);


}