wenbing756169311的专栏

java.net.URLEncoder.encode("需要被编码的字符串",目标编码);  eg:  String strUTF8=java.net.URLEncoder.encode("测试",UTF-8);====>将“测试”编码成UTF-8的字符串！

SimpleDateFormat sdf = new SimpleDateFormat(pattern); Calendar cal = Calendar.getInstance(); cal.setTime(new Date()); cal.add(Calendar.MONTH, -1); cal.set(Calendar.DAY_

// 定义输出日期格式 SimpleDateFormat sdf = new SimpleDateFormat(pattern); Date mdate = new Date(); int b = 7; Date fdate; Long fTime = mdate.getTime() - b * 24 * 3600000; fdate = new

//获取所有字符串：20131109113501SimpleDateFormat sp = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String time = sp.format(new Date()); String time1 = time.replace("-", ""); String time2 = time1.replac

Date date=new Date();//long now = System.currentTimeMillis(); // 取得当前时间 距离 00:00:00 UTC on January 1, 1970.的秒数 Calendar c = Calendar.getInstance();//获取一个Calendar实例 c.setTimeInMillis(date.getTime(

// 图片下载函数 public static String makeImg(String imgUrl, String fileURL) { String imgFile=""; try { // 创建流 BufferedInputStream in = new BufferedInputStream(new URL(imgUrl) .openStream());

jsp： 取值与赋值：    在action中，对name属性提供一个ledSbbh的字段，getter/setter方法，和listLed的list，同样getter/setter方法就可以了private String ledSbbh; public String getLedSbbh() { return ledSbbh; } public void setLe

http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/s

public String getPic2(String imageUrl, String fileNamePath) { Image img = null; URL url; // url请求图片流 DataInputStream dis = null; // 文件写入流 InputStream in = null; byte[] data = nu

java.net.URL url=this.getClass() .getClassLoader().getResource("");//得到类路径 String [] strArr=url.getFile().split("/"); String [] strArr2=url.getFile().split(":"); String fileNamePath= strArr[1

在在ibatis动态sql中， 、括起来。比如： and z.jgsj = ]]> to_date(#startTime#,'yyyy-MM-dd hh24:mi:ss')