c++去掉汉语文本中的某些不明空白符

ccnunlp 2011-06-16 03:42:30

本人对汉语文本进行分词，由于中间夹杂了某些不明的空白符，无法按照去掉空格，换行回车这些方式去去除，这样分离出的有些汉语词语前面总是留有空白。注：处理的文本为ANSI编码方式，求大侠帮忙……

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iambic 2011-06-26

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你自己调试下，看下汉语空格的双字节码是啥。两个字节的空白就处理不了了？

ccnunlp 2011-06-26

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主要是这种编码方式的空格不是ASCII的

c_losed 2011-06-16

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按行读取
判断不是空的存入到新的数组

赵4老师 2011-06-16

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#include <windows.h>

#include <stdio.h>



int main() {

    const DWORD uWidth = 18 + 17 * 256, uHeight = 18 + 17 * 128;



    PBITMAPINFO pbmi = (PBITMAPINFO) LocalAlloc (LPTR, sizeof (BITMAPINFOHEADER) + sizeof (RGBQUAD) * 2);

    pbmi->bmiHeader.biSize = sizeof (BITMAPINFOHEADER);

    pbmi->bmiHeader.biWidth = uWidth;

    pbmi->bmiHeader.biHeight = uHeight;

    pbmi->bmiHeader.biPlanes = 1;

    pbmi->bmiHeader.biBitCount = 1;

    pbmi->bmiHeader.biSizeImage = ((uWidth + 31) & ~31) / 8 * uHeight;

    pbmi->bmiColors[0].rgbBlue = 0;

    pbmi->bmiColors[0].rgbGreen = 0;

    pbmi->bmiColors[0].rgbRed = 0;

    pbmi->bmiColors[1].rgbBlue = 255;

    pbmi->bmiColors[1].rgbGreen = 255;

    pbmi->bmiColors[1].rgbRed = 255;



    HDC hDC = CreateCompatibleDC (0);

    void * pvBits;

    HBITMAP hBitmap = CreateDIBSection (hDC, pbmi, 0, &pvBits, NULL, 0);

    SelectObject (hDC, hBitmap);

    HFONT hFont = CreateFont (16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "宋体");

    SelectObject (hDC, hFont);

    BitBlt (hDC, 0, 0, uWidth, uHeight, NULL, 0, 0, WHITENESS);



    char c[4];

    int i, j;

    for (i = 128; i < 256; i++) {

        sprintf (c, "%02X", i);

        TextOut (hDC, 1, (i - 127) * 17 + 1, c, 2);

    }

    for (j = 0; j < 256; j++) {

        sprintf (c, "%02X", j);

        TextOut (hDC, (j + 1)* 17 + 1, 1, c, 2);

    }

    for (i = 128; i < 256; i++) {

        for (j = 0; j < 256; j++) {

            c[0] = (char) i;

            c[1] = (char) j;

            TextOut (hDC, (j + 1) * 17 + 1, (i - 127) * 17 + 1, c, 2);

        }

    }

    for (i = 0; i < 130; i++) {

        MoveToEx (hDC, 0, i * 17, NULL);

        LineTo (hDC, uWidth, i * 17);

    }

    for (j = 0; j < 258; j++) {

        MoveToEx (hDC, j * 17, 0, NULL);

        LineTo (hDC, j * 17, uHeight);

    }



    BITMAPFILEHEADER bmfh;

    bmfh.bfType = *(PWORD) "BM";

    bmfh.bfReserved1 = 0;

    bmfh.bfReserved2 = 0;

    bmfh.bfOffBits = sizeof (BITMAPFILEHEADER) + sizeof (BITMAPINFOHEADER) + sizeof (RGBQUAD) * 2;

    bmfh.bfSize = bmfh.bfOffBits + pbmi->bmiHeader.biSizeImage;



    HANDLE hFile = CreateFile ("goal.bmp", GENERIC_WRITE, 0, 0, CREATE_ALWAYS, 0, 0);

    if (hFile != INVALID_HANDLE_VALUE) {

        DWORD dwWritten;

        WriteFile (hFile, &bmfh, sizeof (BITMAPFILEHEADER), &dwWritten, NULL);

        WriteFile (hFile, pbmi, sizeof (BITMAPINFOHEADER) + sizeof (RGBQUAD) * 2, &dwWritten, NULL);

        WriteFile (hFile, pvBits, pbmi->bmiHeader.biSizeImage, &dwWritten, NULL);



        CloseHandle (hFile);

    }



    DeleteObject (hFont);

    DeleteObject (hBitmap);

    DeleteDC (hDC);

    LocalFree (pbmi);



    return 0;

}