diff --git a/CountMostImport.java b/CountMostImport.java
new file mode 100644
index 0000000..910cf86
--- /dev/null
+++ b/CountMostImport.java
@@ -0,0 +1,103 @@
+import java.io.*;
+import java.util.*;
+import java.util.Map.Entry;
+
+
+
+public class CountMostImport {
+
+    static HashMap<String,Integer> importCount;
+    //输出import最多的前NUMBER个类
+    public static final int NUMBER = 10;
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        System.out.println("请输入java项目的路径:");
+        importCount = new HashMap<String,Integer>();
+        countMostImport(scan.nextLine());
+    }
+
+    public static void countMostImport(String path) {
+        File file = new File(path);
+
+        if (!file.isDirectory())
+        { //目录不存在 
+            System.out.println("java项目路径不存在！");
+            return;
+        }
+        //遍历各个文件并进行统计
+        filesList(file, importCount);
+
+        //对统计结果进行排序并打印
+        printImportClass(importCount);
+
+    }
+    public static void printImportClass(HashMap<String, Integer> importCount) {
+        //对对HashMap按值进行排序
+        List<Map.Entry<String, Integer>> list = new ArrayList<Map.Entry<String, Integer>>(importCount.entrySet());
+        Collections.sort(list, new Comparator<Map.Entry<String,Integer>>() {
+            //降序排序
+            @Override
+            public int compare(Entry<String, Integer> o1, Entry<String,Integer> o2) {
+                if(o2.getValue().compareTo(o1.getValue())==0){
+                    //如果值相等，则按照字典序列进行排序
+                    String str1 = o1.getKey().toLowerCase();//转换成小写是因为在ASICC中大写字符一定在小写字母前面，与字典序列不符
+                    String str2 = o2.getKey().toLowerCase();
+                    return str1.compareTo(str2);
+                }
+                else
+                    return o2.getValue().compareTo(o1.getValue());
+            }
+        });
+
+        //遍历输出被import最多前NUMBER个的类
+        int count = 0;
+        for (Entry<String, Integer> mapping : list) {
+            if( count<NUMBER ){
+                System.out.println(mapping.getKey() + "******被import的次数为******" + mapping.getValue());
+                count++;
+            }
+            else  return;
+        }
+    }
+    public static void filesList(File file, HashMap<String, Integer> importCount) {
+        File[] files = file.listFiles();
+        for(File fileName : files) {
+            //如果是文件夹，遍历每个文件和文件夹
+            if(fileName.isDirectory()) {
+                filesList(fileName, importCount);
+            }
+            else {
+                String suffix = fileName.getName().substring(fileName.getName().lastIndexOf(".") + 1);
+                //判断是否是java文件
+                if(suffix.equals("java")) {
+                    BufferedReader bufferedReader = null;
+                    try {
+                        bufferedReader = new BufferedReader(new InputStreamReader(new FileInputStream(fileName)));
+                        String sentence = null;
+                        while((sentence = bufferedReader.readLine()) != null){
+                            String trimSentence = sentence.trim();
+                            //判断是否为引用包语句
+                            if(trimSentence.indexOf("import ") == -1 || !trimSentence.trim().startsWith("import "))
+                                continue;
+
+                            String importClassName = trimSentence.substring(  trimSentence.indexOf("import ")+"import ".length()  ).trim();
+                            if(importCount.containsKey(importClassName))
+                                importCount.put(importClassName, importCount.get(importClassName)+1);
+                            else
+                                importCount.put(importClassName, 1);
+                        }
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    } finally {
+                        try {
+                            if(bufferedReader != null) {
+                                bufferedReader.close();
+                            }
+                        } catch (Exception e) {
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/EffectiveLines.java b/EffectiveLines.java
new file mode 100644
index 0000000..a761da8
--- /dev/null
+++ b/EffectiveLines.java
@@ -0,0 +1,67 @@
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+
+
+public class EffectiveLines {
+
+    private static int whiteLines = 0;
+    private static int commentLines = 0;
+    private static int normalLines = 0;
+
+
+    /**
+     * @param args
+     */
+    public static void main(String[] args) {
+        File f = new File("F:\\Idea_pro\\EffectiveLines.java");
+        sumCode(f);
+    }
+
+    private static void sumCode(File file) {
+        BufferedReader br = null;
+        boolean comment = false;
+        try {
+            br = new BufferedReader(new FileReader(file));
+            String line = "";
+            try {
+                while ((line = br.readLine()) != null) {
+                    line = line.trim();
+                    if (line.trim().equals("")) {
+                        whiteLines++;
+                    } else if (line.startsWith("/*") && !line.endsWith("*/")) {
+                        commentLines++;
+                        comment = true;
+                    } else if (true == comment) {
+                        commentLines++;
+                        if (line.endsWith("*/")) {
+                            comment = false;
+                        }
+                    } else if (line.startsWith("//")) {
+                        commentLines++;
+                    } else {
+                        normalLines++;
+                    }
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } finally {
+            if (br != null) {
+                try {
+                    //System.out.println("空行数："+whiteLines);
+                    //System.out.println("注释行数："+commentLines);
+                    System.out.println("有效行数："+normalLines);
+                    br.close();
+                    br = null;
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+}  
\ No newline at end of file
diff --git a/ExchangeRate.java b/ExchangeRate.java
new file mode 100644
index 0000000..00011a8
--- /dev/null
+++ b/ExchangeRate.java
@@ -0,0 +1,178 @@
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.net.URL;
+import java.net.URLConnection;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.GregorianCalendar;
+
+import org.apache.poi.hssf.usermodel.HSSFCell;
+import org.apache.poi.hssf.usermodel.HSSFCellStyle;
+import org.apache.poi.hssf.usermodel.HSSFRow;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.select.Elements;
+
+
+
+public class ExchangeRate {
+    private File crawlerResult;
+    private String rateResult;
+    public ExchangeRate(){
+        crawlerResult = new File("F:\\Idea_pro\\crawlerResult.html");
+        rateResult = "F:\\Idea_pro\\rateResult.xls";
+    }
+    public void crawler_30_days(){
+        String address = "http://www.safe.gov.cn/AppStructured/view/project_RMBQuery.action";
+        Date date = new Date();
+        GregorianCalendar gc =new GregorianCalendar();
+        gc.setTime(date);
+        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");//获取系统的日期
+        String endDate = df.format(gc.getTime());
+        gc.add(5, -29);
+        String beginDate = df.format(gc.getTime());
+        System.out.println("从："+beginDate);
+        System.out.println("到："+endDate);
+        String param = "projectBean.startDate=" + beginDate + "&projectBean.endDate=" + endDate + "&queryYN=true";
+        PrintWriter out = null;
+        BufferedReader in = null;
+        OutputStreamWriter outWriter = null;
+        try{
+            URL url = new URL(address);
+            URLConnection conn = url.openConnection();
+            // 设置通用的请求属性
+            conn.setRequestProperty("accept", "*/*");
+            conn.setRequestProperty("connection", "Keep-Alive");
+            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
+            conn.setDoOutput(true);
+            conn.setDoInput(true);
+            out = new PrintWriter(conn.getOutputStream());
+            out.print(param);
+            out.flush();
+            in = new BufferedReader(new InputStreamReader(conn.getInputStream(),"UTF-8"));
+            outWriter = new OutputStreamWriter(new FileOutputStream(crawlerResult),"UTF-8");
+            String str = null;
+            while((str = in.readLine()) != null){
+                outWriter.write(str + "\n");
+            }
+        }catch(Exception e){
+            System.out.println("在发送Post请求时发生错误！");
+            e.printStackTrace();
+        }finally{
+            try{
+                if(outWriter != null)
+                    outWriter.close();
+                if(in != null)
+                    in.close();
+                if(out != null)
+                    out.close();
+            }catch(Exception e){
+                e.printStackTrace();
+            }
+        }
+
+    }
+
+    public void writeExcel(){
+        Document doc = null;
+        try {
+            doc = Jsoup.parse(crawlerResult,"UTF-8");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        Elements links = doc.getElementsByAttributeValue("class", "first");
+        HSSFWorkbook wb = new HSSFWorkbook();
+        HSSFSheet sheet = wb.createSheet("汇率表");
+        HSSFRow row = sheet.createRow((int) 0);
+        HSSFCellStyle style = wb.createCellStyle();
+        style.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 创建一个居中格式
+
+        HSSFCell cell = row.createCell((int)0);
+        cell.setCellValue("日期");
+        cell.setCellStyle(style);
+        cell = row.createCell((int) 1);
+        cell.setCellValue("美元");
+        cell.setCellStyle(style);
+        cell = row.createCell((int) 2);
+        cell.setCellValue("欧元");
+        cell.setCellStyle(style);
+        cell = row.createCell((int) 3);
+        cell.setCellValue("港币");
+        cell.setCellStyle(style);
+        Date date = new Date();
+        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
+        try {
+            date = df.parse(df.format(date));
+        } catch (ParseException e1) {
+            e1.printStackTrace();
+        }
+        GregorianCalendar gc =new GregorianCalendar();
+        gc.setTime(date);
+        gc.add(5,1);
+        int rowno = 0;
+
+        for(int i = 0; i < links.size(); ++i){
+            String tmp = links.get(i).text().replace(Jsoup.parse("&nbsp;").text(), " ");
+            String rate[] = tmp.split("[ ]{1,}");
+            String d = rate[0];
+            Date tmpDate = null;
+            try {
+                tmpDate = df.parse(d);
+            } catch (ParseException e) {
+                e.printStackTrace();
+            }
+            while((date.getTime() - tmpDate.getTime())/(24*60*60*1000) > 1){
+                row = sheet.createRow((int) rowno + 1);
+                gc.add(5, -1);
+                row.createCell((int) 0).setCellValue(df.format(gc.getTime()));
+                row.createCell((int) 1).setCellValue("--");
+                row.createCell((int) 2).setCellValue("--");
+                row.createCell((int) 3).setCellValue("--");
+                ++rowno;
+
+                date = gc.getTime();
+            }
+            row = sheet.createRow((int) rowno + 1);
+            rowno++;
+            row.createCell((int) 0).setCellValue(rate[0]);
+            row.createCell((int) 1).setCellValue(rate[1]);
+            row.createCell((int) 2).setCellValue(rate[2]);
+            row.createCell((int) 3).setCellValue(rate[4]);
+            gc.add(5,-1);//减一天
+            date = gc.getTime();
+        }
+        while(rowno < 30){
+            row = sheet.createRow((int) rowno + 1);
+            rowno++;
+            gc.add(5,-1);
+            row.createCell((int) 0).setCellValue(df.format(gc.getTime()));
+            row.createCell((int) 1).setCellValue("--");
+            row.createCell((int) 2).setCellValue("--");
+            row.createCell((int) 3).setCellValue("--");
+        }
+        try
+        {
+            FileOutputStream fout = new FileOutputStream(rateResult);
+            wb.write(fout);
+            fout.close();
+            System.out.println("Excel文件生成成功!");
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+        }
+    }
+    public static void main(String args[]) throws IOException{
+        ExchangeRate rate = new ExchangeRate();
+        rate.crawler_30_days();
+        rate.writeExcel();
+    }
+}
\ No newline at end of file
diff --git a/Top10Ip.sh b/Top10Ip.sh
new file mode 100644
index 0000000..1366df9
--- /dev/null
+++ b/Top10Ip.sh
@@ -0,0 +1 @@
+awk '{print $1}' access.log|sort|uniq -c|sort -nr|head -n10
\ No newline at end of file
diff --git a/linux2.sh b/linux2.sh
new file mode 100644
index 0000000..db33c9f
--- /dev/null
+++ b/linux2.sh
@@ -0,0 +1 @@
+scp /tmp/filename username@l-test.dev.cn1:/tmp/
\ No newline at end of file