java ¶ÁÈ¡²¢±£´æexcelÖеÄͼƬ
/*
* ±£´æexcelÖеÄͼƬ(ÒÔÎļþÐÎʽ±£´æ£¬»òÕß´æÈëÊý¾Ý¿â)
*
* basePath:Ó¦ÓÃËùÔÚ·¾¶,¸½¼þ´æ·Å·¾¶:
* ²ÎÊý£ºisÊÇÉÏ´«µÄ¸½¼þÎļþÁ÷
*/
public void saveSheetImgByFile(String basePath,InputStream is) throws ParseException {
FileOutputStream os = null;
try {
Workbook wbk = Workbook.getWorkbook(is);
//½¨ÎļþĿ¼
File mkFile = new File(basePath);
if (!mkFile.exists() && !mkFile.isDirectory()) {
mkFile.mkdirs();
}
// Ñ»·ËùÓÐsheet
for (int k = 0; k < wbk.getNumberOfSheets(); k++) {
Sheet sheet = wbk.getSheet(k);
// ¹²ÓжàÉÙÐÐ
int imgNumber = sheet.getNumberOfImages();// »ñµÃsheetËù°üº¬µÄͼƬÊý
// Ñ»·sheetµÄËùÓÐͼƬ
for (int i = 0; i < imgNumber; i++) {
Image image = sheet.getDrawing(i);
byte[] imageD
Ïà¹ØÎĵµ£º
¶¨ÒåÔÚÒ»¸öÀàÄÚ²¿µÄÀà½ÐÄÚ²¿À࣬°üº¬ÄÚ²¿ÀàµÄÀà³ÆÎªÍⲿÀà¡£ÄÚ²¿Àà¿ÉÒÔÉùÃ÷public¡¢protected¡¢privateµÈ·ÃÎÊÏÞÖÆ£¬¿ÉÒÔÉùÃ÷ΪabstractµÄ¹©ÆäËûÄÚ²¿Àà»òÍⲿÀà¼Ì³ÐÓëÀ©Õ¹£¬»òÕßÉùÃ÷Ϊstatic¡¢finalµÄ£¬Ò²¿ÉÒÔʵÏÖÌØ¶¨µÄ½Ó¿Ú¡£staticµÄÄÚ²¿ÀàÐÐΪÉÏÏóÒ»¸ö¶ÀÁ¢µÄÀ࣬·ÇstaticÔÚÐÐΪÉÏÀàËÆÀàµÄÊôÐÔ»ò·½·¨ÇÒ½ûÖ¹ÉùÃ÷staticµÄ·½· ......
Java»ù´¡Ð¡½á(ÊýÖµÀàÐÍת»»¹æÔò)
Ò»¡¡ÊýÖµÀàÐÍת»»¹æÔò
ÊýÖµÐÍÊý¾Ý½øÐÐÔËËãʱ£¬Èç¹û²Ù×÷ÊýµÄÀàÐͲ»Í¬»ò²Ù×÷ÊýµÄÀàÐ;ùµÍÓÚintÐÍ£¬Ôò
»á½øÐÐ×Ô¶¯ÀàÐÍת»»´¦Àí£¬¾ßÌ广ÔòÈçÏ£º
1)Èç¹ûÁ½¸ö²Ù×÷ÊýÖÐÓÐÒ»¸öÊÇdoubleÐÍ£¬ÔòϵͳÏȽ«ÁíÒ»¸ö²Ù×÷ÊýµÄֵת»»Îªdouble
ÐÍ£¬È»ºóÔÙ½øÐÐÔËË㣬·ñÔò
2)Èç¹ûÁ½¸ö²Ù×÷ÊýÖÐÓÐÒ»¸öÊÇfloat ......
ÔÚÍøÉÏÕÒµ½µÄ´úÂëÊÇ´íµÄ£¬×Ô¼ºÐ´ÁËÒ»¸ö
×îС¶þ³Ë·¨µÄ´úÂ룬¶þ¸ö¹¹Ôì·½·¨£¬Ò»¸öÊDz»´øÈ¨µÄ£¬Ò»¸öÊÇ´øÈ¨µÄ
/**
* ×îС¶þ³Ë·¨¼ÆËãÀà
*
* @author Administrator
*
*/
public class LeastSquareMethod {
private double[] x;
private double[] y;
private double[] weight;
private int m;
private do ......