‘编程学习’ 分类下的所有文章
2014七月8

JAVA:网易微博模拟登陆

网易微博登陆验证,第一次请求使用BASE64加密、第二次请求使用MD5+RSA加密,比较变态,于是使用JAVA+JS相结合的方式,调用其JS方法得到加密字符串。

/core1.7.0.js 是经过处理的,删掉几行在JAVA引用中会报错的浏览器对象。

 

import org.apache.http.HttpResponse;
import org.apache.http.client.CookieStore;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.velocity.util.StringUtils;
import org.nutz.lang.Files;
import org.nutz.lang.util.ClassTools;
import org.nutz.repo.Base64;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

/**
 * Created by Wizzer on 14-7-7.
 */
public class Netease {
    static String index_url = "http://t.163.com/session";
    static String login1_url = "http://reg.163.com/services/httpLoginExchgKeyNew";
    static String login2_url = "http://reg.163.com/httpLoginVerifyNew.jsp";
    static String status_url = "http://t.163.com/share/check/status";
    UrlUtil urlUtil = new UrlUtil();

    public static void main(String[] args) {
        CookieStore cookieStore = new Netease().login("email", "password");
    }

    public CookieStore login(String userid, String password) {
        try {
            DefaultHttpClient client = new DefaultHttpClient();
            HttpGet get = new HttpGet(login1_url + "?rnd=" + Base64.encodeToString(userid.getBytes(), true) + "&jsonp=setLoginStatus");
            get.setHeader("Accept", "*/*");
            get.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36");
            HttpResponse response = client.execute(get);
            int code = response.getStatusLine().getStatusCode();
            if (code == 200) {
                InputStream in = response.getEntity().getContent();
                BufferedReader reader = new BufferedReader(new InputStreamReader(in));
                String line = "", res = "";
                while (null != (line = reader.readLine())) {
                    res += line;
                }
                System.out.println("res:::" + res);
                if (res.contains("200")) {
                    String[] str = StringUtils.split(urlUtil.getStr(res, "setLoginStatus(\"", "\")"), "\\n");
                    String o = str[1], h = str[2];
                    ScriptEngineManager sem = new ScriptEngineManager();
                    ScriptEngine se = sem.getEngineByName("javascript");
                    se.eval(getJs());
                    String jiami = "";
                    if (se instanceof Invocable) {
                        Invocable invoke = (Invocable) se;
                        jiami = invoke.invokeFunction("getCode",
                                password, o, h).toString();

                        System.out.println("jiami = " + jiami);
                    }

                    DefaultHttpClient client2 = new DefaultHttpClient();
                    client2.setCookieStore(client.getCookieStore());
                    HttpGet get2 = new HttpGet(login2_url + "?rcode=" + jiami + "&product=t&jsonp=setLoginStatus&savelogin=0&username=" + userid);
                    get2.setHeader("Accept", "*/*");
                    get2.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36");
                    HttpResponse response2 = client2.execute(get2);
                    int code2 = response2.getStatusLine().getStatusCode();
                    if (code2 == 200) {
                        InputStream in2 = response2.getEntity().getContent();
                        BufferedReader reader2 = new BufferedReader(new InputStreamReader(in2));
                        String line2 = "", res2 = "";
                        while (null != (line2 = reader2.readLine())) {
                            res2 += line2;
                        }
                        System.out.println("res2:::" + res2);
                        if (res.contains("200")) {
                            return client2.getCookieStore();
                        }
                    }
                }
            }
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    private String getJs() {
        String jscontent = Files.read(ClassTools.getClassLoader().getResource("").getPath() + "netease" + "/core1.7.0.js");
        jscontent += "function getCode(p,o,h){\n" +
                "\t\t\t\tvar l=new RSAKey();\n" +
                "\t\t\t\tl.setPublic(h,o);\n" +
                "\t\t\t\treturn l.encrypt(getMd5(p));\t\t\t\t\n" +
                "   }";
        return jscontent;
    }
}
2014六月9

CSS:限制图片最大宽度

img{max-width:800px;width:expression(this.width > 800 ? 800: true);height:auto;}

2014六月8

Nutz:下载文件(输出文件)

HSSFWorkbook wb = new HSSFWorkbook();
OutputStream out = new FileOutputStream(“x.xls”);
wb.write(out);
out.close();
return new File(“x.xls”);

 

ByteArrayOutputStream out = new ……..;
wb………
out.close();
ByteArrayInputStream in = new ………..(out.toByte…);
return in;

2014六月5

帝国CMS:头部导航栏当前栏目高亮

/e/class/userfun.php

function currentPage($classid,$thisid){
        global $class_r;
        $fr=explode('|',$class_r[$classid][featherclass]);
        $topbclassid=$fr[1]?$fr[1]:$classid;//取得第一级栏目id
        if ($topbclassid==$thisid) {
                  echo "class='cur'";
                }
        else {
        }
}

头部模板:

<ul>
<li <?php  if(empty($GLOBALS[navclassid])){echo "class='cur'";} ?>><a id="nav-hover0" href="[!--news.url--]">首页</a></li>
<?php 
$i=0;
$path="";
?>
[e:loop={'select classid,classname,classpath,wburl from [!db.pre!]enewsclass where bclassid=0 order by classid',0,24,0}]
<?php 
  $i=$i+1;
  $path=$public_r[newsurl].$bqr[classpath];
  if(!empty($bqr[wburl])){
      $path=$bqr[wburl];
  }
?>
<li <?=currentPage($GLOBALS[navclassid],$bqr[classid])?>>
<a  id="nav-hover<?=$i?>" href="<?=$path?>" title="<?=$bqr[classname]?>" target="_self" ><?=$bqr[classname]?></a>
</li>
[/e:loop]
</ul>
2014五月28

Windows :Nginx + PHP 配置虚拟目录

首先配置好运行环境:

windows下配置nginx+php环境

其次修改nginx配置文件:

server {
        listen       80;
        server_name  localhost;
	location ~ ^/bbs/.+\.php$ {
	   alias		E:/xuetang/cn/bbs;
	   rewrite		/bbs/(.*\.php?) /$1 break;
	   fastcgi_index	index.php;
	   fastcgi_pass		127.0.0.1:9000;
	   fastcgi_param	SCRIPT_FILENAME E:/xuetang/cn/bbs$fastcgi_script_name;
	   include		fastcgi_params;
	}
	location ~ ^/bbs($|/.*) {
	   alias		E:/xuetang/cn/bbs/$1;
	   index		index.php index.html index.htm;
	}

        location / {
            root   E:/xuetang/cn/www;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
        location ~ \.php$ {
            root           E:/xuetang/cn/www;
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
            include        fastcgi_params;
        }
}

注意虚拟目录配置要在根目录上面。。

2014五月21

PHP:POST发送JSON字符串

/**  
 * 发送post请求  
 * @param string $url 请求地址  
 * @param array $post_data post数据  
 * @return string  
 */  
function send_post($url, $post_data) {   

	$ch = curl_init($url);
	curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
	curl_setopt($ch, CURLOPT_POSTFIELDS,$post_data);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
	curl_setopt($ch, CURLOPT_HTTPHEADER, array(
		'Content-Type: application/json',
		'Content-Length: ' . strlen($post_data))
	);  
	return curl_exec($ch);   
}   


<?php
		header("Content-type: text/html; charset=utf-8");
		include_once('../functions.php');
		$send_msg="test";//发送内容
		$data = array("openid" => "oXS2NuPCEB836NRMrsXXXXXX", "content" => $send_msg);
        $data_string = json_encode($data);
		echo send_post('http://XXX.cn/api/wx/push/custom/text?mykey=XXXXXX', $data_string);  
?>
2014五月16

Nutz:单机负载均衡或启动多实例注意事项

1、上传文件的文件池路径问题

upload.js

filePool : {
type : “cn.xuetang.common.file.FilePool”,
args : [“/temp/”, 2000]
}

将路径改到项目的路径下

public class FilePool extends NutFilePool {

public FilePool(String homePath, long size) {
super(webinfPath(homePath), size);
}

private static final String webinfPath(String str) {
return Mvcs.getServletContext().getRealPath(“/WEB-INF”)+str;
}

}

2、Nutz大字段缓存的问题

.nutz/tmp/dao

将 org.nutz.dao.jdbc.nutz_jdbc_experts.js 拷贝到项目类路径下,修改相应的配置,文件夹不冲突即可。

2014五月16

Linux:后台执行Java类

编写执行文件 job.sh

#!/bin/sh
CLASSPATH=classes:lib/druid-1.0.1.jar:lib/htmlparser-1.6.jar:lib/log4j-1.2.17.jar:lib/mysql-connector-java-5.1.26-bin.jar:lib/nutz-1.b.50.jar:lib/ojdbc14.jar:lib/quartz-2.2.1.jar:lib/quartz-jobs-2.2.1.jar:lib/slf4j-api-1.6.6.jar:lib/slf4j-log4j12-1.6.6.jar:lib/sqljdbc4.jar:lib/commons-pool2-2.2.jar:
#export CLASSPATH
java -classpath $CLASSPATH cn.xuetang.job.MyJob &

 赋予job.sh 执行权限

chmod a+x job.sh

后台执行,并把标准输出重定向,关闭终端仍在执行

nohup bash /home/work/ImageTask/job.sh > success.log 2>error.log &

输出在当前控制台,关闭该终端时,将退出启动的进程

/home/work/ImageTask/job.sh

每两分钟启动一次,关闭终端不影响任务

crontab -e

*/2 * * * * /home/work/ImageTask/job.sh > success.log 2>error.log &

2014五月16

Linux:解决多个Tomcat Session冲突的问题

<Context path=”” docBase=”/usr/local/tomcat8080/webapps/ROOT” reloadable=”true” sessionCookiePath=”/” sessionCookieName=”BB_SESSION”/>

更改SESSION名称。

 

2014五月14

Linux:常用命令

常用命令

复制文件夹
cp -ri apache-tomcat-7.0.53 /usr/local/tomcat1
删除文件夹
rm -rf
解压文件
tar -xzvf apache-tomcat-7.0.53.tar.gz

安装C++编码环境
yum install -y gcc-c++
安装HTTP GZIP
yum install -y zlib-devel

后台运行
java -jar aaa.jarr &
kill 脚本
kill -15 `ps -ef|grep server.jar|grep -v grep |awk ‘{print $2}’`

/usr/local/nginx/sbin/nginx -t #测试配置
/usr/local/nginx/sbin/nginx
/usr/local/nginx/sbin/nginx -s stop #停止服务器

/usr/local/tomcat1/bin/startup.sh
/usr/local/tomcat2/bin/startup.sh
/usr/local/tomcat8080/bin/startup.sh

查看端口
netstat -an | grep 80

系统

# uname -a               # 查看内核/操作系统/CPU信息
# head -n 1 /etc/issue   # 查看操作系统版本
# cat /proc/cpuinfo      # 查看CPU信息
# hostname               # 查看计算机名
# lspci -tv              # 列出所有PCI设备
# lsusb -tv              # 列出所有USB设备
# lsmod                  # 列出加载的内核模块
# env                    # 查看环境变量

资源

# free -m                # 查看内存使用量和交换区使用量
# df -h                  # 查看各分区使用情况
# du -sh <目录名>        # 查看指定目录的大小
# grep MemTotal /proc/meminfo   # 查看内存总量
# grep MemFree /proc/meminfo    # 查看空闲内存量
# uptime                 # 查看系统运行时间、用户数、负载
# cat /proc/loadavg      # 查看系统负载

磁盘和分区

# mount | column -t      # 查看挂接的分区状态
# fdisk -l               # 查看所有分区
# swapon -s              # 查看所有交换分区
# hdparm -i /dev/hda     # 查看磁盘参数(仅适用于IDE设备)
# dmesg | grep IDE       # 查看启动时IDE设备检测状况

网络

# ifconfig               # 查看所有网络接口的属性
# iptables -L            # 查看防火墙设置
# route -n               # 查看路由表
# netstat -lntp          # 查看所有监听端口
# netstat -antp          # 查看所有已经建立的连接
# netstat -s             # 查看网络统计信息

进程

# ps -ef                 # 查看所有进程
# top                    # 实时显示进程状态

用户

# w                      # 查看活动用户
# id <用户名>            # 查看指定用户信息
# last                   # 查看用户登录日志
# cut -d: -f1 /etc/passwd   # 查看系统所有用户
# cut -d: -f1 /etc/group    # 查看系统所有组
# crontab -l             # 查看当前用户的计划任务

服务

# chkconfig --list       # 列出所有系统服务
# chkconfig --list | grep on    # 列出所有启动的系统服务

程序

# rpm -qa                # 查看所有安装的软件包