sdatools.java

很好的UI界面源码..还有自己的输入法,可以更换风格.可以学习和使用

/*
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package cn.sda.enterprise;

import java.util.Calendar;
import java.util.TimeZone;
import java.util.Vector;

/**
 *
 * @author Administrator
 */
public class SDATools {

    public static String getNowTime() {
        return internalGetNowTime();
    }

    private static String internalGetNowTime() {
        Calendar cl = Calendar.getInstance(TimeZone.getDefault());
        String Year = String.valueOf(cl.get(Calendar.YEAR));
        String Month = String.valueOf(cl.get(Calendar.MONTH) + 1);
        String Day = String.valueOf(cl.get(Calendar.DATE));
        String Hour = String.valueOf(cl.get(Calendar.HOUR_OF_DAY));
        String Minute = String.valueOf(cl.get(Calendar.MINUTE));
        String Secend = String.valueOf(cl.get(Calendar.SECOND));
        return Year + "-" + Month + "-" + Day + " " + Hour + ":" + Minute + ":" + Secend;
    }

    public static String formatFloat(String formatString, double floatValue) {
        return internalFormatFloat(formatString, floatValue);
    }

    private static String internalFormatFloat(String formatString, double floatValue) {
        if (formatString.equals("")) {
            return Double.toString(floatValue);
        }
        //根据格式对double内容进行转换
        int pos = 0;
        StringBuffer strbuffer = new StringBuffer();
        String dbValue = doubleToString(floatValue);
        String format = formatString;
        char ch;
        boolean findE = false;
        byte Etype = -1;
        int Epos = -1;
        //E值
        int eValue = 0;
        //格式整数个数
        int intNum = 0;
        //格式小数个数
        int decNum = 0;
        //double值的整数长度
        int doubleIntNum = 0;
        long DbInt = 0;
        //double的小数长度
        int doubledecNum = 0;
        long DBdecint = 0;
        //查找小数点
        boolean findDot = false;
        int dotPos = -1;
        //查找 ","
        boolean findDelim = false;
        int delimPos = -1;
        //查找"."
        dotPos = format.indexOf(".");
        if (dotPos > -1) {
            findDot = true;
        } else {
            findDot = false;
        }
        //查找","
        delimPos = format.indexOf(",");
        if (delimPos > -1) {
            findDelim = true;
        } else {
            findDelim = false;
        }
        //判断是否存在E+-
        String upstring = format.toUpperCase();
        if ((upstring.indexOf("E+") > -1)) {
            findE = true;
            Etype = 0;
            Epos = upstring.indexOf("E+");
        }
        if ((upstring.indexOf("E-") > -1)) {
            findE = true;
            Etype = 1;
            Epos = upstring.indexOf("E-");
        }
        String eString = "";
        if (findE) {
            //查找完整E段
            eString = format.substring(Epos, Epos + 2);
            Epos += 2;
            //查找后面的0            
            while (Epos < format.length()) {
                ch = format.charAt(Epos);
                if (ch == '0') {
                    eString += ch;
                } else {
                    break;
                }
                Epos++;
            }
        }
        //记录E位置
        Vector fList = null;
        Vector eList = null;
        if (findE) {
            fList = new Vector();
            eList = new Vector();
        }
        //格式的前后0#个数
        pos = 0;
        String foreString = findDot ? format.substring(0, dotPos) : format;
        if (findE) {
            strbuffer.setLength(0);
            strbuffer.append(foreString);
            //去掉所有的e标识            
            while (strbuffer.toString().indexOf(eString) > -1) {
                pos = strbuffer.toString().indexOf(eString);
                fList.addElement(String.valueOf(pos));
                strbuffer.delete(pos, pos + eString.length());
            }
            foreString = strbuffer.toString();
        }
        //去掉所有的","
        strbuffer.setLength(0);
        strbuffer.append(foreString);
        while (strbuffer.toString().indexOf(",") > -1) {
            pos = strbuffer.toString().indexOf(",");
            strbuffer.delete(pos, pos + 1);
        }
        foreString = strbuffer.toString();
        //计算0＃个数
        pos = 0;
        while (pos < foreString.length()) {
            ch = foreString.charAt(pos);
            if ((ch == '#') || (ch == '0')) {
                intNum++;
            }
            pos++;
        }
        pos = 0;
        String backString = findDot ? format.substring(dotPos + 1, format.length()) : "";
        if (findE) {
            strbuffer.setLength(0);
            strbuffer.append(backString);
            //去掉所有的e标识            
            while (strbuffer.toString().indexOf(eString) > -1) {
                pos = strbuffer.toString().indexOf(eString);
                eList.addElement(String.valueOf(pos));
                strbuffer.delete(pos, pos + eString.length());
            }
            backString = strbuffer.toString();
        }
        //去掉所有的","
        strbuffer.setLength(0);
        strbuffer.append(backString);
        while (strbuffer.toString().indexOf(",") > -1) {
            pos = strbuffer.toString().indexOf(",");
            strbuffer.delete(pos, pos + 1);
        }
        backString = strbuffer.toString();
        pos = 0;
        while (pos < backString.length()) {
            ch = backString.charAt(pos);
            if ((ch == '#') || (ch == '0')) {
                decNum++;
            }
            pos++;
        }
        //double的整数部分长度
        pos = dbValue.indexOf(".");
        doubleIntNum = pos > -1 ? dbValue.substring(0, pos).length() : dbValue.length();
        doubledecNum = dbValue.length() - doubleIntNum - 1;
        //存在E+,E-的处理(E+00,E-00连续的)
        if (findE) {
            //处理double字符串
            int cint = intNum + decNum - dbValue.length() + 1;
            if (cint > 0) {
                while (cint > 0) {
                    dbValue += "0";
                    cint--;
                }
            } else if (cint < 0) {
                strbuffer.setLength(0);
                strbuffer.append(dbValue);
                pos = dbValue.indexOf(".");
                strbuffer.deleteCharAt(pos);
                dbValue = strbuffer.toString();
                if (Integer.parseInt(dbValue.charAt(intNum + decNum) + "") > 4) {
                    dbValue = dbValue.substring(0, intNum + decNum);
                    dbValue = doubleToString(Double.parseDouble(dbValue) + 1);
                } else {
                    dbValue = dbValue.substring(0, intNum + decNum);
                }
            }
            //拼凑格式化的结果
            pos = 0;
            strbuffer.setLength(0);
            //System.out.println(dbValue);
            //整数部分
            int j = 0;
            while (pos < foreString.length()) {
                ch = foreString.charAt(pos);
                if ((ch == '0') || (ch == '#')) {
                    strbuffer.append(dbValue.charAt(j));
                    j++;
                } else {
                    strbuffer.append(ch);
                }
                pos++;
            }
            //处理","
            //System.out.println(strbuffer.toString());
            if (findDelim) {
                pos = foreString.length() - 1;
                int i = 0;
                while (pos > -1) {
                    ch = foreString.charAt(pos);
                    if ((ch == '0') || (ch == '#')) {
                        i++;
                    }
                    if (i == 3) {
                        if ((foreString.substring(0, pos).indexOf("0") > -1) || (foreString.substring(0, pos).indexOf("#") > -1)) {
                            strbuffer.insert(pos, ",");
                            i = 0;
                        } else {
                            i = 0;
                        }
                    }
                    pos--;
                }
            }
            //System.out.println(strbuffer.toString());
            //小数点
            pos = 0;
            strbuffer.append(".");
            //小数部分
            int k = 0;
            while (pos < backString.length()) {
                ch = backString.charAt(pos);
                if ((ch == '0') || (ch == '#')) {
                    strbuffer.append(dbValue.charAt(intNum + k));
                    k++;
                } else {
                    strbuffer.append(ch);
                }
                pos++;
            }
            //计算E部分
            eValue = doubleIntNum - intNum;
            String st = getfmZeroString(eString.length() - 2, eValue, false);
            if (Etype == 0) {
                st = eString.charAt(0) + (eValue > 0 ? "+" : "-") + st;
            } else {
                st = eString.charAt(0) + (eValue > 0 ? "" : "-") + st;
            }
            //整数部分的E
            k = 0;
            for (int i = 0; i < fList.size(); i++) {
                pos = Integer.parseInt((String) fList.elementAt(i)) + (findDelim ? 1 : 0);
                if (pos >= strbuffer.length()) {
                    strbuffer.append(st);
                } else {
                    strbuffer.insert(pos + 1, st);
                }
                k += st.length();
            }
            //小数部分的E
            //System.out.println(strbuffer.toString() + "/" + (String) eList.elementAt(0) + "|" + foreString.length());
            for (int i = 0; i < eList.size(); i++) {
                pos = Integer.parseInt((String) eList.elementAt(i)) + foreString.length() + (findDelim ? 1 : 0) + k;
                if (pos >= strbuffer.length()) {
                    strbuffer.append(st);
                } else {
                    strbuffer.insert(pos + 1, st);
                }
            }
            return strbuffer.toString();
        } else {
            //不存在E(0,#通用，主要查找",.")
            //整体处理
            pos = dbValue.indexOf(".");
            int k = decNum - doubledecNum;
            if (k < 0) {
                ch = dbValue.charAt(pos + decNum + 1);
                dbValue = dbValue.substring(0, pos + decNum + 1);
                if (Integer.parseInt(ch + "") > 4) {
                    //dbValue = String.valueOf(Double.parseDouble(dbValue) + 1.0 / getExp(10, decNum));
                    dbValue = doubleToString(Double.parseDouble(dbValue) + 1.0 / getExp(10, decNum));
                }
            }
            //处理double整数部分
            DbInt = Long.parseLong(dbValue.substring(0, doubleIntNum));
            pos = intNum - doubleIntNum;
            String dbintstr = dbValue.substring(0, doubleIntNum);
            if (pos > 0) {
                dbintstr = getfmZeroString(intNum, DbInt, false);
            }
            pos = dbValue.indexOf(".");
            DBdecint = Long.parseLong(dbValue.substring(pos + 1, dbValue.length()));
            String dbdecstr = dbValue.substring(pos + 1);
            if (k > 0) {
                dbdecstr = getfmZeroString(decNum, DBdecint, true);
            }
            dbValue = dbintstr + "." + dbdecstr;
            //拼凑格式化的结果
            pos = 0;
            strbuffer.setLength(0);
            //整数部分
            int j = 0;
            while (pos < foreString.length()) {
                ch = foreString.charAt(pos);
                if ((ch == '0') || (ch == '#')) {
                    strbuffer.append(dbintstr.charAt(j));
                    j++;
                } else {
                    strbuffer.append(ch);
                }
                pos++;
            }
            //加入剩下的
            if (dbintstr.length() > j) {
                strbuffer.append(dbintstr.substring(j, dbintstr.length()));
            }
            //处理","
            if (findDelim) {
                while (foreString.length() < strbuffer.length()) {
                    foreString += "0";
                }
                pos = foreString.length() - 1;
                //System.out.println(pos);
                int i = 0;
                while (pos > -1) {
                    ch = foreString.charAt(pos);
                    if ((ch == '0') || (ch == '#')) {
                        i++;
                    }
                    if (i == 3) {
                        strbuffer.insert(pos, ",");
                        i = 0;
                    }
                    pos--;
                }
            }
            //小数点
            pos = 0;
            strbuffer.append(".");
            //小数部分
            k = 0;
            while (pos < backString.length()) {
                ch = backString.charAt(pos);
                if ((ch == '0') || (ch == '#')) {
                    strbuffer.append(dbValue.charAt(dbintstr.length() + 1 + k));
                    k++;
                } else {
                    strbuffer.append(ch);
                }
                pos++;
            }
            return strbuffer.toString();
        }
    }

    private static String getfmZeroString(int len, long value, boolean end) {
        String result = "";
        if (value < 0) {
            value = -value;
        }
        int pos = 0;
        if (end) {
            while (pos < len - String.valueOf(value).length()) {
                result += "0";
                pos++;
            }
            result = String.valueOf(value) + result;
        } else {
            while (pos < len - String.valueOf(value).length()) {
                result += "0";
                pos++;
            }
            result += String.valueOf(value);
        }
        return result;
    }

    private static double getExp(int x, int y) {
        double d = x;
        for (int i = 1; i < y; i++) {
            d = d * x;
        }
        return d;
    }

    private static String doubleToString(double dbvalue) {
        int pos = 0;
        StringBuffer strbuffer = new StringBuffer();
        String dbValue = Double.toString(dbvalue);
        pos = dbValue.indexOf("E");
        if (pos > 0) {
            int offset = Integer.parseInt(dbValue.substring(pos + 1, dbValue.length()));
            dbValue = dbValue.substring(0, pos);
            strbuffer.setLength(0);
            strbuffer.append(dbValue);
            pos = dbValue.indexOf(".");
            strbuffer.deleteCharAt(pos);
            strbuffer.insert(pos + offset, ".");
            dbValue = strbuffer.toString();
        }
        strbuffer = null;
        return dbValue;
    }
}