c# Fastest way to remove extra white spaces

ⅰ亾dé卋堺 提交于 2020-01-09 04:38:52

问题


What is the fastest way to replace extra white spaces to one white space?
e.g.

from

foo      bar 

to

foo bar

回答1:


The fastest way? Iterate over the string and build a second copy in a StringBuilder character by character, only copying one space for each group of spaces.

The easier to type Replace variants will create a bucket load of extra strings (or waste time building the regex DFA).

Edit with comparison results:

Using http://ideone.com/NV6EzU, with n=50 (had to reduce it on ideone because it took so long they had to kill my process), I get:

Regex: 7771ms.

Stringbuilder: 894ms.

Which is indeed as expected, Regex is horribly inefficient for something this simple.




回答2:


You can use a regex:

static readonly Regex trimmer = new Regex(@"\s\s+");

s = trimmer.Replace(s, " ");

For added performance, pass RegexOptions.Compiled.




回答3:


A bit late, but I have done some benchmarking to get the fastest way to remove extra whitespaces. If there are any faster answers, I would love to add them.

Results:

  1. NormalizeWhiteSpaceForLoop: 156 ms (by Me - From my answer on removing all whitespace)
  2. NormalizeWhiteSpace: 267 ms (by Alex K.)
  3. RegexCompiled: 1950 ms (by SLaks)
  4. Regex: 2261 ms (by SLaks)

Code:

public class RemoveExtraWhitespaces
{
    public static string WithRegex(string text)
    {
        return Regex.Replace(text, @"\s+", " ");
    }

    public static string WithRegexCompiled(Regex compiledRegex, string text)
    {
        return compiledRegex.Replace(text, " ");
    }

    public static string NormalizeWhiteSpace(string input)
    {
        if (string.IsNullOrEmpty(input))
            return string.Empty;

        int current = 0;
        char[] output = new char[input.Length];
        bool skipped = false;

        foreach (char c in input.ToCharArray())
        {
            if (char.IsWhiteSpace(c))
            {
                if (!skipped)
                {
                    if (current > 0)
                        output[current++] = ' ';

                    skipped = true;
                }
            }
            else
            {
                skipped = false;
                output[current++] = c;
            }
        }

        return new string(output, 0, current);
    }

    public static string NormalizeWhiteSpaceForLoop(string input)
    {
        int len = input.Length,
            index = 0,
            i = 0;
        var src = input.ToCharArray();
        bool skip = false;
        char ch;
        for (; i < len; i++)
        {
            ch = src[i];
            switch (ch)
            {
                case '\u0020':
                case '\u00A0':
                case '\u1680':
                case '\u2000':
                case '\u2001':
                case '\u2002':
                case '\u2003':
                case '\u2004':
                case '\u2005':
                case '\u2006':
                case '\u2007':
                case '\u2008':
                case '\u2009':
                case '\u200A':
                case '\u202F':
                case '\u205F':
                case '\u3000':
                case '\u2028':
                case '\u2029':
                case '\u0009':
                case '\u000A':
                case '\u000B':
                case '\u000C':
                case '\u000D':
                case '\u0085':
                    if (skip) continue;
                    src[index++] = ch;
                    skip = true;
                    continue;
                default:
                    skip = false;
                    src[index++] = ch;
                continue;
            }
        }

        return new string(src, 0, index);
    }
}

Tests:

[TestFixture]
public class RemoveExtraWhitespacesTest
{
    private const string _text = "foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo foo                  bar                  foobar                     moo ";
    private const string _expected = "foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo foo bar foobar moo ";

    private const int _iterations = 10000;

    [Test]
    public void Regex()
    {
        var result = TimeAction("Regex", () => RemoveExtraWhitespaces.WithRegex(_text));
        Assert.AreEqual(_expected, result);
    }

    [Test]
    public void RegexCompiled()
    {
        var compiledRegex = new Regex(@"\s+", RegexOptions.Compiled);
        var result = TimeAction("RegexCompiled", () => RemoveExtraWhitespaces.WithRegexCompiled(compiledRegex, _text));
        Assert.AreEqual(_expected, result);
    }

    [Test]
    public void NormalizeWhiteSpace()
    {
        var result = TimeAction("NormalizeWhiteSpace", () => RemoveExtraWhitespaces.NormalizeWhiteSpace(_text));
        Assert.AreEqual(_expected, result);
    }

    [Test]
    public void NormalizeWhiteSpaceForLoop()
    {
        var result = TimeAction("NormalizeWhiteSpaceForLoop", () => RemoveExtraWhitespaces.NormalizeWhiteSpaceForLoop(_text));
        Assert.AreEqual(_expected, result);
    }

    public string TimeAction(string name, Func<string> func)
    {
        var timer = Stopwatch.StartNew();
        string result = string.Empty; ;
        for (int i = 0; i < _iterations; i++)
        {
            result = func();
        }

        timer.Stop();
        Console.WriteLine(string.Format("{0}: {1} ms", name, timer.ElapsedMilliseconds));
        return result;
    }
}



回答4:


I use below methods - they handle all whitespace chars not only spaces, trim both leading and trailing whitespaces, remove extra whitespaces, and all whitespaces are replaced to space char (so we have uniform space separator). And these methods are fast.

public static String CompactWhitespaces( String s )
{
    StringBuilder sb = new StringBuilder( s );

    CompactWhitespaces( sb );

    return sb.ToString();
}

public static void CompactWhitespaces( StringBuilder sb )
{
    if( sb.Length == 0 )
        return;

    // set [start] to first not-whitespace char or to sb.Length

    int start = 0;

    while( start < sb.Length )
    {
        if( Char.IsWhiteSpace( sb[ start ] ) )
            start++;
        else 
            break;
    }

    // if [sb] has only whitespaces, then return empty string

    if( start == sb.Length )
    {
        sb.Length = 0;
        return;
    }

    // set [end] to last not-whitespace char

    int end = sb.Length - 1;

    while( end >= 0 )
    {
        if( Char.IsWhiteSpace( sb[ end ] ) )
            end--;
        else 
            break;
    }

    // compact string

    int dest = 0;
    bool previousIsWhitespace = false;

    for( int i = start; i <= end; i++ )
    {
        if( Char.IsWhiteSpace( sb[ i ] ) )
        {
            if( !previousIsWhitespace )
            {
                previousIsWhitespace = true;
                sb[ dest ] = ' ';
                dest++;
            }
        }
        else
        {
            previousIsWhitespace = false;
            sb[ dest ] = sb[ i ];
            dest++;
        }
    }

    sb.Length = dest;
}



回答5:


string q = " Hello     how are   you           doing?";
string a = String.Join(" ", q.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries));



回答6:


string text = "foo       bar";
text = Regex.Replace(text, @"\s+", " ");
// text = "foo bar"

This solution works with spaces, tabs, and newline. If you want just spaces, replace '\s' with ' '.




回答7:


I needed one of these for larger strings and came up with the routine below.

Any consecutive white-space (including tabs, newlines) is replaced with whatever is in normalizeTo. Leading/trailing white-space is removed.

It's around 8 times faster than a RegEx with my 5k->5mil char strings.

internal static string NormalizeWhiteSpace(string input, char normalizeTo = ' ')
{
    if (string.IsNullOrEmpty(input))
        return string.Empty;

    int current = 0;
    char[] output = new char[input.Length];
    bool skipped = false;

    foreach (char c in input.ToCharArray())
    {
        if (char.IsWhiteSpace(c))
        {
            if (!skipped)
            {
                if (current > 0)
                    output[current++] = normalizeTo;

                skipped = true;
            }
        }
        else
        {
            skipped = false;
            output[current++] = c;
        }
    }

    return new string(output, 0, skipped ? current - 1 : current);
}



回答8:


string yourWord = "beep boop    baap beep   boop    baap             beep";

yourWord = yourWord .Replace("  ", " |").Replace("| ", "").Replace("|", "");



回答9:


I've tried using StringBuilder to:

  1. remove extra whitespace substrings
  2. accept characters from looping over the original string, as Blindy suggests

Here's the best balance of performance & readability I've found (using 100,000 iteration timing runs). Sometimes this tests faster than a less-legible version, at most 5% slower. On my small test string, regex takes 4.24x as much time.

public static string RemoveExtraWhitespace(string str)
    {
        var sb = new StringBuilder();
        var prevIsWhitespace = false;
        foreach (var ch in str)
        {
            var isWhitespace = char.IsWhiteSpace(ch);
            if (prevIsWhitespace && isWhitespace)
            {
                continue;
            }
            sb.Append(ch);
            prevIsWhitespace = isWhitespace;
        }
        return sb.ToString();
    }



回答10:


It's not fast, but if simplicity helps, this works:

while (text.Contains("  ")) text=text.Replace("  ", " ");



回答11:


try this:

System.Text.RegularExpressions.Regex.Replace(input, @"\s+", " ");



回答12:


A few requirements are not clear in this question which deserve some thought.

  1. Do you want a single leading or trailing white space character?
  2. When you replace all white space with a single character, do you want that character to be consistent? (i.e. many of these solutions would replace \t\t with \t and ' ' with ' '.

This is a very efficient version which replaces all white space with a single space and removes any leading and trailing white space prior to the for loop.

  public static string WhiteSpaceToSingleSpaces(string input)
  {
    if (input.Length < 2) 
        return input;

    StringBuilder sb = new StringBuilder();

    input = input.Trim();
    char lastChar = input[0];
    bool lastCharWhiteSpace = false;

    for (int i = 1; i < input.Length; i++)
    {
        bool whiteSpace = char.IsWhiteSpace(input[i]);

        //Skip duplicate whitespace characters
        if (whiteSpace && lastCharWhiteSpace)
            continue;

        //Replace all whitespace with a single space.
        if (whiteSpace)
            sb.Append(' ');
        else
            sb.Append(input[i]);

        //Keep track of the last character's whitespace status
        lastCharWhiteSpace = whiteSpace;
    }

    return sb.ToString();
  }



回答13:


This piece of code works good. I have not measure the performance.

string text = "   hello    -  world,  here   we go  !!!    a  bc    ";
string.Join(" ", text.Split().Where(x => x != ""));
// Output
// "hello - world, here we go !!! a bc"



回答14:


you could use indexOf to first grab where the whitespace sequences start, then use replace method to change the white space to "". From there, you can use the index you grabbed and place one whitespace character in that spot.




回答15:


This is funny, but on my PC the below method is just as fast as Sergey Povalyaev's StringBulder approach - (~282ms for 1000 reps, 10k src strings). Not sure about memory usage though.

string RemoveExtraWhiteSpace(string src, char[] wsChars){
   return string.Join(" ",src.Split(wsChars, StringSplitOptions.RemoveEmptyEntries));
}

Obviously it works okay with any chars - not just spaces.

Though this is not what the OP asked for - but if what you really need is to replace specific consecutive characters in a string with only one instance you can use this relatively efficient method:

    string RemoveDuplicateChars(string src, char[] dupes){  
        var sd = (char[])dupes.Clone();  
        Array.Sort(sd);

        var res = new StringBuilder(src.Length);

        for(int i = 0; i<src.Length; i++){
            if( i==0 || src[i]!=src[i-1] || Array.BinarySearch(sd,src[i])<0){
                res.Append(src[i]); 
            }
        }
        return res.ToString();
    }



回答16:


public string GetCorrectString(string IncorrectString)
    {
        string[] strarray = IncorrectString.Split(' ');
        var sb = new StringBuilder();
        foreach (var str in strarray)
        {
            if (str != string.Empty)
            {
                sb.Append(str).Append(' ');
            }
        }
        return sb.ToString().Trim();
    }



回答17:


I just whipped this up, haven't tested it yet though. But I felt this was elegant, and avoids regex:

    /// <summary>
    /// Removes extra white space.
    /// </summary>
    /// <param name="s">
    /// The string
    /// </param>
    /// <returns>
    /// The string, with only single white-space groupings. 
    /// </returns>
    public static string RemoveExtraWhiteSpace(this string s)
    {
        if (s.Length == 0)
        {
            return string.Empty;
        }

        var stringBuilder = new StringBuilder();
        var whiteSpaceCount = 0;
        foreach (var character in s)
        {
            if (char.IsWhiteSpace(character))
            {
                whiteSpaceCount++;
            }
            else
            {
                whiteSpaceCount = 0;
            }

            if (whiteSpaceCount > 1)
            {
                continue;
            }

            stringBuilder.Append(character);
        }

        return stringBuilder.ToString();
    }



回答18:


Am I missing something here? I came up with this:

// Input: "HELLO     BEAUTIFUL       WORLD!"
private string NormalizeWhitespace(string inputStr)
{
    // First split the string on the spaces but exclude the spaces themselves
    // Using the input string the length of the array will be 3. If the spaces
    // were not filtered out they would be included in the array
    var splitParts = inputStr.Split(' ').Where(x => x != "").ToArray();

   // Now iterate over the parts in the array and add them to the return
   // string. If the current part is not the last part, add a space after.
   for (int i = 0; i < splitParts.Count(); i++)
   {
        retVal += splitParts[i];
        if (i != splitParts.Count() - 1)
        {
            retVal += " ";
        }
   }
    return retVal;
}
// Would return "HELLO BEAUTIFUL WORLD!"

I know I am creating a second string here to return it as well as creating the splitParts array. Just figured this is pretty straight forward. Maybe I am not taking into account some of the potential scenarios.




回答19:


I know this is really old, but the easiest way to compact whitespace (replace any recurring whitespace character with a single "space" character) is as follows:

    public static string CompactWhitespace(string astring)
    {
        if (!string.IsNullOrEmpty(astring))
        {
            bool found = false;
            StringBuilder buff = new StringBuilder();

            foreach (char chr in astring.Trim())
            {
                if (char.IsWhiteSpace(chr))
                {
                    if (found)
                    {
                        continue;
                    }

                    found = true;
                    buff.Append(' ');
                }
                else
                {
                    if (found)
                    {
                        found = false;
                    }

                    buff.Append(chr);
                }
            }

            return buff.ToString();
        }

        return string.Empty;
    }



回答20:


public static string RemoveExtraSpaces(string input)
{
    input = input.Trim();
    string output = "";
    bool WasLastCharSpace = false;
    for (int i = 0; i < input.Length; i++)
    {
        if (input[i] == ' ' && WasLastCharSpace)
            continue;
        WasLastCharSpace = input[i] == ' ';
        output += input[i];
    }
    return output;
}



回答21:


For those who just want to copy-pase and go on:

    private string RemoveExcessiveWhitespace(string value)
    {
        if (value == null) { return null; }

        var builder = new StringBuilder();
        var ignoreWhitespace = false;
        foreach (var c in value)
        {
            if (!ignoreWhitespace || c != ' ')
            {
                builder.Append(c);
            }
            ignoreWhitespace = c == ' ';
        }
        return builder.ToString();
    }



回答22:


I'm not very familiar with C#, hence my code is not an elegant/most efficient one. I came here to find an answer that fits my use case, but I couldn't find one (or I couldn't figure out one).

For my use case, I needed to normalize all the White Spaces (WS:{space, tab, cr lf}) with the following conditions:

  • WS can come in any combination
  • Replace a sequence of WS with the most significant WS
  • tab need to be retained in some cases (a tab separated file, for eg. and in that case repeated tabs also need to be preserved). But in most cases they have to be converted into spaces.

So here's a sample input and an expected output (Disclaimer: my code is test only for this example)



        Every night    in my            dreams  I see you, I feel you
    That's how    I know you go on

Far across the  distance and            places between us   



You            have                 come                    to show you go on


to be converted into

Every night in my dreams I see you, I feel you
That's how I know you go on
Far across the distance and places between us
You have come to show you go on

Here's my code

using System;
using System.Text.RegularExpressions;

public class Program
{
    public static void Main(string text)
    {
        bool preserveTabs = false;

        //[Step 1]: Clean up white spaces around the text
        text = text.Trim();
        //Console.Write("\nTrim\n======\n" + text);

        //[Step 2]: Reduce repeated spaces to single space. 
        text = Regex.Replace(text, @" +", " ");
        // Console.Write("\nNo repeated spaces\n======\n" + text);

        //[Step 3]: Hande Tab spaces. Tabs needs to treated with care because 
        //in some files tabs have special meaning (for eg Tab seperated files)
        if(preserveTabs)
        {
            text = Regex.Replace(text, @" *\t *", "\t");
        }
        else
        {
            text = Regex.Replace(text, @"[ \t]+", " ");
        }
        //Console.Write("\nTabs preserved\n======\n" + text);

        //[Step 4]: Reduce repeated new lines (and other white spaces around them)
                  //into a single new line.
        text = Regex.Replace(text, @"([\t ]*(\n)+[\t ]*)+", "\n");
        Console.Write("\nClean New Lines\n======\n" + text);    
    }
}

See this code in action here: https://dotnetfiddle.net/eupjIU




回答23:


I don't know if it's the fastest way but i use this and this is worked for me:

    /// <summary>
    /// Remove all extra spaces and tabs between words in the specified string!
    /// </summary>
    /// <param name="str">The specified string.</param>
    public static string RemoveExtraSpaces(string str)
    {
        str = str.Trim();
        StringBuilder sb = new StringBuilder();
        bool space = false;
        foreach (char c in str)
        {
            if (char.IsWhiteSpace(c) || c == (char)9) { space = true; }
            else { if (space) { sb.Append(' '); }; sb.Append(c); space = false; };
        }
        return sb.ToString();
    }



回答24:


I've tried with an array and with no if.

Results

PS C:\dev\Spaces> dotnet run -c release
// .NETCoreApp,Version=v3.0
Seed=7, n=20, s.Length=2828670
Regex by SLaks            1407ms, len=996757
StringBuilder by Blindy    154ms, len=996757
Array                      130ms, len=996757
NoIf                        91ms, len=996757
All match!

Methods

private static string WithNoIf(string s)
{
    var dst = new char[s.Length];
    uint end = 0;
    char prev = char.MinValue;
    for (int k = 0; k < s.Length; ++k)
    {
        var c = s[k];
        dst[end] = c;

        // We'll move forward if the current character is not ' ' or if prev char is not ' '
        // To avoid 'if' let's get diffs for c and prev and then use bitwise operatios to get 
        // 0 if n is 0 or 1 if n is non-zero
        uint x = (uint)(' ' - c) + (uint)(' ' - prev); // non zero if any non-zero

        end += ((x | (~x + 1)) >> 31) & 1; // https://stackoverflow.com/questions/3912112/check-if-a-number-is-non-zero-using-bitwise-operators-in-c by ruslik
        prev = c;
    }
    return new string(dst, 0, (int)end);
}
private static string WithArray(string s)
{
    var dst = new char[s.Length];
    int end = 0;
    char prev = char.MinValue;
    for (int k = 0; k < s.Length; ++k)
    {
        char c = s[k];
        if (c != ' ' || prev != ' ') dst[end++] = c;
        prev = c;
    }
    return new string(dst, 0, end);
}

Test code

public static void Main()
{
    const int n = 20;
    const int seed = 7;
    string s = GetTestString(seed);

    var fs = new (string Name, Func<string, string> Func)[]{
        ("Regex by SLaks", WithRegex),
        ("StringBuilder by Blindy", WithSb),
        ("Array", WithArray),
        ("NoIf", WithNoIf),
    };

    Console.WriteLine($"Seed={seed}, n={n}, s.Length={s.Length}");
    var d = new Dictionary<string, string>(); // method, result
    var sw = new Stopwatch();
    foreach (var f in fs)
    {
        sw.Restart();
        var r = "";
        for( int i = 0; i < n; i++) r = f.Func(s);
        sw.Stop();
        d[f.Name] = r;
        Console.WriteLine($"{f.Name,-25} {sw.ElapsedMilliseconds,4}ms, len={r.Length}");
    }
    Console.WriteLine(d.Values.All( v => v == d.Values.First()) ? "All match!" : "Not all match! BAD");
}

private static string GetTestString(int seed)
{
    // by blindy from https://stackoverflow.com/questions/6442421/c-sharp-fastest-way-to-remove-extra-white-spaces
    var rng = new Random(seed);
    // random 1mb+ string (it's slow enough...)
    StringBuilder ssb = new StringBuilder(1 * 1024 * 1024);
    for (int i = 0; i < 1 * 1024 * 1024; ++i)
        if (rng.Next(5) == 0)
            ssb.Append(new string(' ', rng.Next(20)));
        else
            ssb.Append((char)(rng.Next(128 - 32) + 32));
    string s = ssb.ToString();
    return s;
}



回答25:


There is no need for complex code! Here is a simple code that will remove any duplicates:

public static String RemoveCharOccurence(String s, char[] remove)
{
    String s1 = s;
    foreach(char c in remove)
    {
        s1 = RemoveCharOccurence(s1, c);
    }

    return s1;
}

public static String RemoveCharOccurence(String s, char remove)
{
    StringBuilder sb = new StringBuilder(s.Length);

    Boolean removeNextIfMatch = false;
    foreach(char c in s)
    {
        if(c == remove)
        {
            if(removeNextIfMatch)
                continue;
            else
                removeNextIfMatch = true;
        }
        else
            removeNextIfMatch = false;

        sb.Append(c);
    }

    return sb.ToString();
}



回答26:


It's very simple, just use the .Replace() method:

string words = "Hello     world!";
words = words.Replace("\\s+", " ");

Output >>> "Hello world!"



来源:https://stackoverflow.com/questions/6442421/c-sharp-fastest-way-to-remove-extra-white-spaces

易学教程内所有资源均来自网络或用户发布的内容,如有违反法律规定的内容欢迎反馈
该文章没有解决你所遇到的问题?点击提问,说说你的问题,让更多的人一起探讨吧!