iteye_11020的博客

package com.huawei.autofact.business; import java.io.BufferedWriter; import java.io.File; import java.io.FileOutputStream; import java.io.FileWriter; import java.io.IOException; import java.io...

/** * 写入文件 * * @param sb * @param fileName */ public static void saveToText(StringBuffer sb, String fileName) { if (sb == null || fileName == null) { return; } File batF...

/** * 复制文件 * * @param sourceFile * @param descFile */ public static void copyFiles(File sourceFile, File descFile) { if (sourceFile == null || !sourceFile.exists() ||descFile...

/** * 判断是否是数字 * * @param str * @return */ public static boolean isNumeric(String str) { Pattern pattern = Pattern.compile("^((-?|\\+?)\\d+)(\\.\\d+)?$"); // 数字 if (str != null...

public static boolean executeBat(String filePath) { if (filePath == null || "".equals(filePath.trim()) || !new File(filePath).exists()) { return false; } BufferedReader bufferedRead...

public static double[] appendDouble(double[] a, double[] b) { double[] result = new double[a.length + b.length]; System.arraycopy(a, 0, result, 0, a.length); System.arraycopy(b, 0, result, a...

public class Test { /** * @param args */ public static void main(String[] args) { String date1 = "2012-11-07 23:59:59"; String format = "yyyy-MM-dd HH:mm:ss"; Date date_1 = form...

/** * 获取指定日期的前几天(days0) * * @param date * @param days * @param format * @return */ public static String defineDayBefore2Object(Date date, int days, String format) { if ...

public static Date dayBeforeDate(int days) { if (days == 0) { return null; } Calendar calendar = Calendar.getInstance(); calendar.add(Calendar.DATE, days); Date date = calendar....

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