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JenniferAmanda
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/** * 写入文件 * * @param sb * @param fileName */ public static void saveToText(StringBuffer sb, String fileName) { if (sb == null || fileName == null) { return; } File batFile = new File(fileName); if (!batFile.exists()) { try { batFile.createNewFile(); } catch (IOExcept ...

复制文件

/** * 复制文件 * * @param sourceFile * @param descFile */ public static void copyFiles(File sourceFile, File descFile) { if (sourceFile == null || !sourceFile.exists() ||descFile == null || !descFile.exists()) { return; } File[] files = sourceFile.listFiles(); if (files == null ...
/** * 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 && !"".equals(str.trim())) { Matcher isNum = pattern.matcher(str.trim()); i ...
public static boolean executeBat(String filePath) { if (filePath == null || "".equals(filePath.trim()) || !new File(filePath).exists()) { return false; } BufferedReader bufferedReader = null; ProcessBuilder processBuilder = null; Process process = null; InputStream fis = ...
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.length, b.length); return result; }
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 = formatStrToDate(date1, format); String date_2 = formatDateToStr(date_1, format); }    /** ...
/** * 获取指定日期的前几天(days<0)或者后几天(days>0) * * @param date * @param days * @param format * @return */ public static String defineDayBefore2Object(Date date, int days, String format) { if (date == null || days == 0) { return null; } if (format == null || format.equals(&qu ...
public static Date dayBeforeDate(int days) {    if (days == 0) {      return null; }   Calendar calendar = Calendar.getInstance();   calendar.add(Calendar.DATE, days);   Date date = calendar.getTime();   return date; }
import java.awt.BasicStroke; import java.awt.Color; import java.awt.Font; import java.awt.GradientPaint; import java.awt.geom.Ellipse2D; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.text.DecimalFormat; import java.text.NumberFormat; im ...
import java.awt.Color; import java.awt.Font; import java.awt.GradientPaint; import java.awt.geom.Ellipse2D; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartUtilities; import org.jfree. ...
import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.data.time.Millisecond; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCol ...
Public Sub 技巧4_151()     Dim myRange As Range     Set myRange = Range("A1")             '指定任意单元格     With myRange         .Value = "ExcelVBA实用技巧大全"         .HorizontalAlignment = xlRight         MsgBox "水平右对齐。"         .HorizontalAlignment = xlLeft         MsgBox "水 ...

ExtJs 4.0图表_jsp

<%@ page language="java" contentType="text/html;charset=utf-8" pageEncoding="utf-8"%> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Line Chart</title> <!-- Ext ...
Ext.require('Ext.chart.*'); Ext.require('Ext.layout.container.Fit'); Ext.require(['Ext.data.*']); Ext.onReady(function() {    Ext.Loader.setConfig({       enabled : true      });    Ext.define("stat", {       extend : "Ext.data.Model",       fields : [{          name : 'name'    ...

类Ext.MessageBox

用来生成不同样式的消息框的实用类。还可以使用它的别名Ext.Msg。Utility class for generating different styles of message boxes. The alias Ext.Msg can also be used. 需要注意的是 MessageBox 对象是异步的。不同于 JavaScript中原生的alert(它会暂停浏览器的执行),显示 MessageBox 不会中断代码的运行。由于这个原因,如果你的代码需要在用户对 MessageBox 做出反馈之后执行,则必须用到回调函数(详情可见show方法中的function参数)。Note ...
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