711 lines
20 KiB
Java
711 lines
20 KiB
Java
package sc545.pay.utils;
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import java.io.*;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map.Entry;
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import javax.servlet.ServletContext;
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public class ReadTxt {
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public static void main(String[] args) {
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}
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/**
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* 按行读取txt文件
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*
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* @param path
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* 文件地址（默认D:\\scbox_settings开头）
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* @return ArrayList 返回每行数据为一个items的集合
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*/
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public static ArrayList<String> readFileLine(ServletContext servletContext, String path) {
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if(path.indexOf("./")==0)
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path =path.substring(1, path.length());
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if (servletContext == null) {
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if(path.indexOf(":") <= 0&&path.indexOf("/") <0)
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path = "D:\\scbox_settings\\" + path;
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} else {
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path = servletContext.getRealPath(path);
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}
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ArrayList<String> strarr = null;
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try {
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File file = new File(path);
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if (file.isFile() && file.exists()) { // 判断文件是否存在
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InputStreamReader read = new InputStreamReader(
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new FileInputStream(file), "UTF-8");
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BufferedReader bufferedReader = new BufferedReader(read);
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String lineTxt = null;
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strarr = new ArrayList<String>();
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while ((lineTxt = bufferedReader.readLine()) != null) {
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strarr.add(lineTxt);
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}
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read.close();
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} else {
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strarr = null;
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}
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return strarr;
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}
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/**
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* 写入txt文档，已存在就修改，否则写入末尾,自动加换行 （文件格式：key=value，换行分隔）
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*
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* @param path
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* 文件地址（默认D:\\scbox_settings开头）
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* @param keyname
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* 要修改的参数名
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* @param content
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* 要修改的参数值
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*/
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public static void writeSetting(ServletContext servletContext, String path, String keyname, String content) {
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/**************/
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// 如果存在，则追加内容；如果文件不存在，则创建文件
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if(path.indexOf("./")==0)
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path =path.substring(1, path.length());
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if (servletContext == null) {
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if(path.indexOf(":") <= 0&&path.indexOf("/") <0)
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path = "D:\\scbox_settings\\" + path;
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} else {
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path = servletContext.getRealPath(path);
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}
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try {
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File file = new File(path);
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if (file.isFile() && file.exists()) { // 判断文件是否存在
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InputStreamReader read = new InputStreamReader(
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new FileInputStream(file), "UTF-8");
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BufferedReader bufferedReader = new BufferedReader(read);
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String lineTxt = null;
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boolean isread = false;// 是否读取到该行并修改
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// 将内容全部读出来，存为新的数据流
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// 读到要修改的行进行修改存入，否则原样读取存入
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StringBuffer buf = new StringBuffer();
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while ((lineTxt = bufferedReader.readLine()) != null) {
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if (lineTxt.startsWith(keyname + "=")) {
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buf.append(keyname + "=" + content + "\r\n");
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isread = true;
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} else {
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buf.append(lineTxt + "\r\n");
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}
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}
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read.close();
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if (!isread) {// 没有读取到，写入末尾
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buf.append(keyname + "=" + content + "\r\n");
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}
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// 把新内容覆盖写入文件
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PrintWriter out = new PrintWriter(new BufferedWriter(
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new OutputStreamWriter(new FileOutputStream(path),
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"UTF-8")));
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out.write(buf.toString());
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out.flush();
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out.close();
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} else {// 不存在，创建写入
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String path2 = path.substring(0, path.replace("\\", "/").lastIndexOf("/"));
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File file1 = new File(path2);
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// 如果文件夹不存在则创建
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if (!file1.exists() && !file1.isDirectory()) {
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file1.mkdirs();
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}
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File file2 = new File(path);
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if (!file2.exists()) {
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file2.createNewFile();
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}
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PrintWriter out = new PrintWriter(new BufferedWriter(
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new OutputStreamWriter(new FileOutputStream(path),
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"UTF-8")));
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out.write(keyname + "=" + content + "\r\n");
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out.flush();
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out.close();
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}
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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/**************/
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}
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/**
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* 读取txt配置，返回map集合（文件格式：key=value，换行分隔）
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*
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* @param path
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* 文件地址（默认D:\\scbox_settings开头）
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* @return hashmap
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*/
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public static HashMap<String, String> readSetting(ServletContext servletContext, String path) {
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if(path.indexOf("./")==0)
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path =path.substring(1, path.length());
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if (servletContext == null) {
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if(path.indexOf(":") <= 0&&path.indexOf("/") <0)
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path = "D:\\scbox_settings\\" + path;
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} else {
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path = servletContext.getRealPath(path);
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}
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HashMap<String, String> strarr = null;
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try {
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File file = new File(path);
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if (file.isFile() && file.exists()) { // 判断文件是否存在
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InputStreamReader read = new InputStreamReader(
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new FileInputStream(file), "UTF-8");
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BufferedReader bufferedReader = new BufferedReader(read);
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String lineTxt = null;
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strarr = new HashMap<String, String>();
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while ((lineTxt = bufferedReader.readLine()) != null) {
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if(lineTxt.indexOf("#")==0){
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continue;
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}
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String[] arr = new String[2];
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if (lineTxt.split("=").length >= 2) {
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arr[0] = lineTxt.split("=")[0];
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arr[1] = lineTxt.replace(arr[0]+"=", "");
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strarr.put(arr[0], arr[1]);
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}
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}
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read.close();
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} else {
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strarr = null;
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}
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return strarr;
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}
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/**
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* 获取配置文件中所有设置属性(含注释)<br>
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* map.get("z") 取注释<br>
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* map.get("k") 取key<br>
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* map.get("v") 取value<br>
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*
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*
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* @param path
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* 文件地址（默认D:\\scbox_settings开头）
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*
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* @param t 只取以此字符开头的，不限制填null
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* @param st 从以此字符开头的行开始读取，不限制填null
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* @param et 读到以此字符开头的行结束，不限制填null
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* @return
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*/
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public static ArrayList<HashMap<String, String>> getSettingAll(ServletContext servletContext, String path,String t,String st,String et) {
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if(st==null||st.length()<1) st="";
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if(et==null||et.length()<1) et="";
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if(t==null||t.length()<1) t="";
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if(path.indexOf("./")==0)
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path =path.substring(1, path.length());
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if (servletContext == null) {
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if(path.indexOf(":") <= 0&&path.indexOf("/") <0)
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path = "D:\\scbox_settings\\" + path;
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} else {
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path = servletContext.getRealPath(path);
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}
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ArrayList<HashMap<String, String>> list=new ArrayList<>();
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try {
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File file = new File(path);
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if (file.isFile() && file.exists()) { // 判断文件是否存在
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InputStreamReader read = new InputStreamReader(
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new FileInputStream(file), "UTF-8");
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BufferedReader bufferedReader = new BufferedReader(read);
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String lineTxt = null;
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String zs="";//注释文本
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while ((lineTxt = bufferedReader.readLine()) != null) {
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if((!"".equals(st))||lineTxt.indexOf(st)!=0) continue;
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if((!"".equals(et))&&lineTxt.indexOf(et)==0) break;
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HashMap<String, String> map = new HashMap<String, String>();
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if(lineTxt.indexOf("#")==0){
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zs=lineTxt;
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continue;
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}
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String[] arr = new String[2];
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if (lineTxt.split("=").length >= 2&&lineTxt.indexOf(t)==0) {
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arr[0] = lineTxt.split("=")[0];
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arr[1] = lineTxt.replace(arr[0]+"=", "");
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map.put("z", zs);
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map.put("k", arr[0]);
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map.put("v", arr[1]);
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list.add(map);
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//把注释也加进去
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zs="";
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}
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}
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read.close();
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} else {
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list = null;
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}
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return list;
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}
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/**
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* 读取txt配置文件的某一项设置值 （文件格式：key=value，换行分隔）
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*
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* @param path
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* 文件地址
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* @param settingName
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* 设置名
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* @param nullString
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* 设置值为空时默认返回的内容
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* @return string
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*/
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public static String getSetting(ServletContext servletContext, String path, String settingName,String nullString) {
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HashMap<String, String> setting = ReadTxt.readSetting(servletContext,path);
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String val = setting == null ? nullString : setting.get(settingName);
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val = val == null ? "" : val;
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return "".equals(val.trim()) ? nullString : val;
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}
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/**
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* 获取所有设置名以[settingName]开头的数据
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* */
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public static ArrayList<String> getSettingW(ServletContext servletContext, String path, String settingName) {
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HashMap<String, String> setting = ReadTxt.readSetting(servletContext,path);
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if(setting==null||setting.size()<1) return null;
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Iterator<Entry<String, String>> it = setting.entrySet().iterator();
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ArrayList<String> rs=new ArrayList<>();
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while (it.hasNext()) {
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Entry<String, String> en=it.next();
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String k = en.getKey();
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String v = en.getValue();
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if(k.indexOf(settingName)==0){
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rs.add(k+"="+v);
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}
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}
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return rs;
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}
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/**
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* 删除某一项设置值 （文件格式：key=value，换行分隔）
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*
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* @param path
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* 文件地址
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* @param settingName
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* 设置名
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* @param nullString
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* 设置值为空时默认返回的内容
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* @return string
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*/
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public static void delSetting(ServletContext servletContext, String path, String settingName) {
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/**************/
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// 如果存在，则追加内容；如果文件不存在，则创建文件
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if(path.indexOf("./")==0)
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path =path.substring(1, path.length());
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if (servletContext == null) {
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if(path.indexOf(":") <= 0&&path.indexOf("/") <0)
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path = "D:\\scbox_settings\\" + path;
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} else {
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path = servletContext.getRealPath(path);
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}
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try {
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File file = new File(path);
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if (file.isFile() && file.exists()) { // 判断文件是否存在
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InputStreamReader read = new InputStreamReader(
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new FileInputStream(file), "UTF-8");
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BufferedReader bufferedReader = new BufferedReader(read);
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String lineTxt = null;
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// 将内容全部读出来，存为新的数据流
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// 读到要修改的行进行修改存入，否则原样读取存入
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StringBuffer buf = new StringBuffer();
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while ((lineTxt = bufferedReader.readLine()) != null) {
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if (lineTxt.startsWith(settingName + "=")) {
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} else {
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buf.append(lineTxt + "\r\n");
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}
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}
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read.close();
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// 把新内容覆盖写入文件
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PrintWriter out = new PrintWriter(new BufferedWriter(
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new OutputStreamWriter(new FileOutputStream(path),
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"UTF-8")));
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out.write(buf.toString());
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out.flush();
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out.close();
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} else {// 不存在，创建
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String path2 = path.substring(0, path.replace("\\", "/").lastIndexOf("/"));
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File file1 = new File(path2);
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// 如果文件夹不存在则创建
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if (!file1.exists() && !file1.isDirectory()) {
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file1.mkdirs();
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}
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File file2 = new File(path);
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if (!file2.exists()) {
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file2.createNewFile();
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}
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}
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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/**************/
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}
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/**
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* 删除设置名以[settingName]开头的数据
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* @param servletContext
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* @param path
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* @param settingName
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*/
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public static void delSettingW(ServletContext servletContext, String path, String settingName) {
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/**************/
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// 如果存在，则追加内容；如果文件不存在，则创建文件
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if(path.indexOf("./")==0)
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path =path.substring(1, path.length());
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if (servletContext == null) {
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if(path.indexOf(":") <= 0&&path.indexOf("/") <0)
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path = "D:\\scbox_settings\\" + path;
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} else {
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path = servletContext.getRealPath(path);
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}
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try {
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File file = new File(path);
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if (file.isFile() && file.exists()) { // 判断文件是否存在
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InputStreamReader read = new InputStreamReader(
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new FileInputStream(file), "UTF-8");
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BufferedReader bufferedReader = new BufferedReader(read);
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String lineTxt = null;
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// 将内容全部读出来，存为新的数据流
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// 读到要修改的行进行修改存入，否则原样读取存入
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StringBuffer buf = new StringBuffer();
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while ((lineTxt = bufferedReader.readLine()) != null) {
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if (lineTxt.split("=")[0].indexOf(settingName)==0) {
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} else {
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buf.append(lineTxt + "\r\n");
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}
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}
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read.close();
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// 把新内容覆盖写入文件
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PrintWriter out = new PrintWriter(new BufferedWriter(
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new OutputStreamWriter(new FileOutputStream(path),
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"UTF-8")));
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out.write(buf.toString());
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out.flush();
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out.close();
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} else {// 不存在，创建
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String path2 = path.substring(0, path.replace("\\", "/").lastIndexOf("/"));
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File file1 = new File(path2);
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// 如果文件夹不存在则创建
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if (!file1.exists() && !file1.isDirectory()) {
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file1.mkdirs();
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}
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File file2 = new File(path);
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if (!file2.exists()) {
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file2.createNewFile();
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}
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}
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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/**************/
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}
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/**
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* 删除过期的所有设置值 （文件格式：key=value，换行分隔）
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* <br>key为检测源
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* @param servletContext
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* @param path 路径
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* @param d 有效天数
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*/
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public static void delOutDateSetting(ServletContext servletContext, String path, int d) {
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/**************/
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// 如果存在，则追加内容；如果文件不存在，则创建文件
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if(path.indexOf("./")==0)
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path =path.substring(1, path.length());
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if (servletContext == null) {
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if(path.indexOf(":") <= 0&&path.indexOf("/") <0)
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path = "D:\\scbox_settings\\" + path;
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} else {
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path = servletContext.getRealPath(path);
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}
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try {
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File file = new File(path);
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if (file.isFile() && file.exists()) { // 判断文件是否存在
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InputStreamReader read = new InputStreamReader(
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new FileInputStream(file), "UTF-8");
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BufferedReader bufferedReader = new BufferedReader(read);
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String lineTxt = null;
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// 将内容全部读出来，存为新的数据流
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// 读到要修改的行进行修改存入，否则原样读取存入
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StringBuffer buf = new StringBuffer();
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boolean ts=false;
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while ((lineTxt = bufferedReader.readLine()) != null) {
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if(lineTxt.indexOf("=")>0&&lineTxt.indexOf("#")<0){
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String[] ls = lineTxt.split("=");
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int has = ls[0].length()-ls[0].replaceAll("-", "").length();
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if(has>1){//日期时间
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if(Utils.dateout(ls[0], d)){
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buf.append(lineTxt + "\r\n");
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}else{
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ts=true;
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}//过期
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}else{//月份时间
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buf.append(lineTxt + "\r\n");
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}
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}else{//注释或者不是setting
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buf.append(lineTxt + "\r\n");
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}
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}
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read.close();
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if(ts){
|
||
// 把新内容覆盖写入文件
|
||
PrintWriter out = new PrintWriter(new BufferedWriter(
|
||
new OutputStreamWriter(new FileOutputStream(path),
|
||
"UTF-8")));
|
||
out.write(buf.toString());
|
||
out.flush();
|
||
out.close();
|
||
}
|
||
|
||
} else {// 不存在，创建
|
||
String path2 = path.substring(0, path.replace("\\", "/").lastIndexOf("/"));
|
||
File file1 = new File(path2);
|
||
// 如果文件夹不存在则创建
|
||
if (!file1.exists() && !file1.isDirectory()) {
|
||
file1.mkdirs();
|
||
}
|
||
File file2 = new File(path);
|
||
if (!file2.exists()) {
|
||
file2.createNewFile();
|
||
}
|
||
|
||
}
|
||
} catch (IOException e) {
|
||
// TODO Auto-generated catch block
|
||
e.printStackTrace();
|
||
}
|
||
/**************/
|
||
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
* 删除过期的所有设置值 （文件格式：key=value，换行分隔）
|
||
* <br>value为检测源
|
||
* @param servletContext
|
||
* @param path 路径
|
||
* @param d 有效天数
|
||
*/
|
||
public static void delOutDateSettingValue(ServletContext servletContext, String path, int d) {
|
||
|
||
|
||
/**************/
|
||
// 如果存在，则追加内容；如果文件不存在，则创建文件
|
||
if(path.indexOf("./")==0)
|
||
path =path.substring(1, path.length());
|
||
|
||
if (servletContext == null) {
|
||
if(path.indexOf(":") <= 0&&path.indexOf("/") <0)
|
||
path = "D:\\scbox_settings\\" + path;
|
||
} else {
|
||
path = servletContext.getRealPath(path);
|
||
}
|
||
|
||
try {
|
||
File file = new File(path);
|
||
if (file.isFile() && file.exists()) { // 判断文件是否存在
|
||
InputStreamReader read = new InputStreamReader(
|
||
new FileInputStream(file), "UTF-8");
|
||
BufferedReader bufferedReader = new BufferedReader(read);
|
||
String lineTxt = null;
|
||
// 将内容全部读出来，存为新的数据流
|
||
// 读到要修改的行进行修改存入，否则原样读取存入
|
||
StringBuffer buf = new StringBuffer();
|
||
boolean ts=false;
|
||
while ((lineTxt = bufferedReader.readLine()) != null) {
|
||
|
||
if(lineTxt.indexOf("=")>0&&lineTxt.indexOf("#")<0){
|
||
String[] ls = lineTxt.split("=");
|
||
int has = ls[1].length()-ls[1].replaceAll("-", "").length();
|
||
if(has>1){//日期时间
|
||
if(Utils.dateout(ls[1], d)){
|
||
buf.append(lineTxt + "\r\n");
|
||
}else{
|
||
ts=true;
|
||
}//过期
|
||
}else{//月份时间
|
||
buf.append(lineTxt + "\r\n");
|
||
}
|
||
|
||
}else{//注释或者不是setting
|
||
buf.append(lineTxt + "\r\n");
|
||
}
|
||
|
||
}
|
||
read.close();
|
||
if(ts){
|
||
// 把新内容覆盖写入文件
|
||
PrintWriter out = new PrintWriter(new BufferedWriter(
|
||
new OutputStreamWriter(new FileOutputStream(path),
|
||
"UTF-8")));
|
||
out.write(buf.toString());
|
||
out.flush();
|
||
out.close();
|
||
}
|
||
|
||
} else {// 不存在，创建
|
||
String path2 = path.substring(0, path.replace("\\", "/").lastIndexOf("/"));
|
||
File file1 = new File(path2);
|
||
// 如果文件夹不存在则创建
|
||
if (!file1.exists() && !file1.isDirectory()) {
|
||
file1.mkdirs();
|
||
}
|
||
File file2 = new File(path);
|
||
if (!file2.exists()) {
|
||
file2.createNewFile();
|
||
}
|
||
|
||
}
|
||
} catch (IOException e) {
|
||
// TODO Auto-generated catch block
|
||
e.printStackTrace();
|
||
}
|
||
/**************/
|
||
|
||
}
|
||
|
||
|
||
/**
|
||
* 删除全部内容
|
||
*
|
||
* @param path
|
||
* 文件地址
|
||
* @param nullString
|
||
* 设置值为空时默认返回的内容
|
||
* @return string
|
||
*/
|
||
public static void delAll(ServletContext servletContext, String path) {
|
||
|
||
|
||
/**************/
|
||
// 如果存在，则追加内容；如果文件不存在，则创建文件
|
||
if(path.indexOf("./")==0)
|
||
path =path.substring(1, path.length());
|
||
|
||
if (servletContext == null) {
|
||
if(path.indexOf(":") <= 0&&path.indexOf("/") <0)
|
||
path = "D:\\scbox_settings\\" + path;
|
||
} else {
|
||
path = servletContext.getRealPath(path);
|
||
}
|
||
|
||
try {
|
||
File file = new File(path);
|
||
if (file.isFile() && file.exists()) { // 判断文件是否存在
|
||
|
||
// 把新内容覆盖写入文件
|
||
PrintWriter out = new PrintWriter(new BufferedWriter(
|
||
new OutputStreamWriter(new FileOutputStream(path),
|
||
"UTF-8")));
|
||
out.write("".toString());
|
||
out.flush();
|
||
out.close();
|
||
|
||
} else {// 不存在，创建
|
||
String path2 = path.substring(0, path.replace("\\", "/").lastIndexOf("/"));
|
||
File file1 = new File(path2);
|
||
// 如果文件夹不存在则创建
|
||
if (!file1.exists() && !file1.isDirectory()) {
|
||
file1.mkdirs();
|
||
}
|
||
File file2 = new File(path);
|
||
if (!file2.exists()) {
|
||
file2.createNewFile();
|
||
}
|
||
|
||
}
|
||
} catch (IOException e) {
|
||
// TODO Auto-generated catch block
|
||
e.printStackTrace();
|
||
}
|
||
/**************/
|
||
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
* 将InputStream装换成某种字符编码的String
|
||
*
|
||
* @param in
|
||
* @param encoding
|
||
* @return
|
||
*/
|
||
public static String InputStreamTOString(InputStream in, String encoding) {
|
||
int BUFFER_SIZE = 4096;
|
||
String res = null;
|
||
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
|
||
byte[] data = new byte[BUFFER_SIZE];
|
||
int count = -1;
|
||
try {
|
||
while ((count = in.read(data, 0, BUFFER_SIZE)) != -1) {
|
||
outputStream.write(data, 0, count);
|
||
}
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
}
|
||
try {
|
||
res = new String(outputStream.toByteArray(), encoding);
|
||
} catch (UnsupportedEncodingException e) {
|
||
e.printStackTrace();
|
||
}
|
||
return res;
|
||
}
|
||
|
||
|
||
}
|