Javaベースの一括生成スクリプト
最近、业务は表の上にいくつかのフィールドを追加する必要があります.月ごとに表を分けるために、3年间36各表の修正スクリプトを提供する予定です.私は怠け者になりたいです.简単なJavaを书きました.一度に生成します.ソースコードは以下のように、私は一つ一つ説明しません.主な考え方は文字列を交换することです.简単です.
2日以内の毎日を手に入れたい場合は、次のようにします.
http://bbs.ibeifeng.com/simple/index.php?t14118.html
コードも持ってきました.以下のようにします.
全文が終わる.
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.text.DecimalFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
public class {
public static void main(String[] args) throws Exception {
String baseStr = readFileContent("f:/saveFile/ .sql", "utf-8");
String tmpStr=null;
List<String> monthsList = getEveryMonth("2011-01-01", "2015-01-01", "");
StringBuffer result=new StringBuffer(5120);
for (String str : monthsList) {
tmpStr=baseStr.replaceAll("#yyyymm#", str);
result.append(tmpStr).append("\r
");
}
writeStrToFile(result.toString(),"f:/saveFile/ .sql","utf-8");
}
public static void writeStrToFile(String str, String filePath,
String charsetName) throws Exception {
if (charsetName == null) {
charsetName = "utf-8";
}
File file1 = new File(filePath);
OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(
file1), charsetName);
out.write(str);
out.close();
}
public static String readFileContent(String fileName, String charsetName)
throws Exception {
if (charsetName == null) {
charsetName = "utf-8";
}
File file = new File(fileName);
if (!file.exists() || file.isDirectory()) {
return null;
}
InputStreamReader read = new InputStreamReader(
new FileInputStream(file), charsetName);//
StringBuffer result = new StringBuffer((int) file.length());
BufferedReader bufferedReader = new BufferedReader(read);
String lineTxt = null;
while ((lineTxt = bufferedReader.readLine()) != null) {
result.append(lineTxt).append("\r
");
}
return result.toString();
}
public static List<String> getEveryMonth(String beginDateStr,
String endDateStr, String split) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
Date beginDate = null, endDate = null;
try {
beginDate = format.parse(beginDateStr);
endDate = format.parse(endDateStr);
} catch (ParseException e) {
e.printStackTrace();
}
Calendar c = Calendar.getInstance();
c.setTime(endDate);
int endYear = c.get(Calendar.YEAR);
int endMonth = c.get(Calendar.MONTH) + 1;
c.setTime(beginDate);
int startYear = c.get(Calendar.YEAR);
int startMonth = c.get(Calendar.MONTH) + 1;
int totalM = 12 * (endYear - startYear) + endMonth - startMonth;
List<String> everyMonths = new ArrayList<String>();
String tmpStr = formatYear(startYear) + split
+ formatMonthDay(startMonth);
everyMonths.add(tmpStr);
for (int i = 0; i < totalM; i++) {
startMonth = startMonth + 1;
if (startMonth > 12) {
startMonth = 1;
startYear += 1;
}
tmpStr = formatYear(startYear) + split + formatMonthDay(startMonth);
everyMonths.add(tmpStr);
}
return everyMonths;
}
public static String formatMonthDay(int decimal) {
DecimalFormat df = new DecimalFormat("00");
return df.format(decimal);
}
public static String formatYear(int decimal) {
DecimalFormat df = new DecimalFormat("0000");
return df.format(decimal);
}
}2日以内の毎日を手に入れたい場合は、次のようにします.
http://bbs.ibeifeng.com/simple/index.php?t14118.html
コードも持ってきました.以下のようにします.
import java.text.DecimalFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
/**
* From:http://bbs.ibeifeng.com/simple/index.php?t14118.html
*
* @author Administrator
*
*/
public class GetEveryDayHelper {
public static void main(String[] args) {
List<String> list = GetEveryDayHelper.getEveryday("2014-01-01",
"2014-03-02", "_");
for (String result : list) {
System.out.println(result);
}
}
/** */
private static final int[] DAYS_P_MONTH_LY = { 31, 29, 31, 30, 31, 30, 31,
31, 30, 31, 30, 31 };
/** */
private static final int[] DAYS_P_MONTH_CY = { 31, 28, 31, 30, 31, 30, 31,
31, 30, 31, 30, 31 };
/** 、 、 */
private static final int Y = 0, M = 1, D = 2;
/**
*
*
* @param date
* @return
*/
public static int[] splitYMD(String date) {
date = date.replace("-", "");
int[] ymd = { 0, 0, 0 };
ymd[Y] = Integer.parseInt(date.substring(0, 4));
ymd[M] = Integer.parseInt(date.substring(4, 6));
ymd[D] = Integer.parseInt(date.substring(6, 8));
return ymd;
}
/**
*
*
* @param year
* @return
*/
public static boolean isLeapYear(int year) {
return ((year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0)));
}
/**
* 1
*
* @param year
* @param month
* @param day
* @return
*/
private static int[] addOneDay(int year, int month, int day) {
if (isLeapYear(year)) {
day++;
if (day > DAYS_P_MONTH_LY[month - 1]) {
month++;
if (month > 12) {
year++;
month = 1;
}
day = 1;
}
} else {
day++;
if (day > DAYS_P_MONTH_CY[month - 1]) {
month++;
if (month > 12) {
year++;
month = 1;
}
day = 1;
}
}
int[] ymd = { year, month, day };
return ymd;
}
/**
*
*
* @param decimal
* @return
*/
public static String formatMonthDay(int decimal) {
DecimalFormat df = new DecimalFormat("00");
return df.format(decimal);
}
/**
*
*
* @param decimal
* @return
*/
public static String formatYear(int decimal) {
DecimalFormat df = new DecimalFormat("0000");
return df.format(decimal);
}
/**
*
*
* @param begin
* @param end
* @return
* @throws ParseException
*/
public static long countDay(String begin, String end) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
Date beginDate, endDate;
long day = 0;
try {
beginDate = format.parse(begin);
endDate = format.parse(end);
day = (endDate.getTime() - beginDate.getTime())
/ (24 * 60 * 60 * 1000);
} catch (ParseException e) {
e.printStackTrace();
}
return day;
}
/**
*
*
* @param beginDate
* endDate
* @param days
* @return
*/
public static List<String> getEveryday(String beginDate, String endDate,
String split) {
long days = countDay(beginDate, endDate);
int[] ymd = splitYMD(beginDate);
List<String> everyDays = new ArrayList<String>();
everyDays.add(beginDate);
for (int i = 0; i < days; i++) {
ymd = addOneDay(ymd[Y], ymd[M], ymd[D]);
everyDays.add(formatYear(ymd[Y]) + split + formatMonthDay(ymd[M])
+ split + formatMonthDay(ymd[D]));
}
return everyDays;
}
}全文が終わる.