springboot-base/src/main/java/cn/efunbox/base/util/PayCommonUtil.java

package cn.efunbox.base.util;

import com.alibaba.fastjson.JSONObject;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import java.io.*;
import java.net.ConnectException;
import java.net.URL;
import java.util.*;

public class PayCommonUtil {
    public static String CreateNoncestr(int length) {
        String chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
        String res = "";
        for (int i = 0; i < length; i++) {
            Random rd = new Random();
            res += chars.indexOf(rd.nextInt(chars.length() - 1));
        }
        return res;
    }

    public static String CreateNoncestr() {
        String chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
        String res = "";
        for (int i = 0; i < 16; i++) {
            Random rd = new Random();
            res += chars.charAt(rd.nextInt(chars.length() - 1));
        }
        return res;
    }


    /** 
     * 是否签名正确,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。 
     * @return boolean 
     */  
    public static boolean isTenpaySign(SortedMap<Object, Object> packageParams,String signKey) {
        StringBuffer sb = new StringBuffer();  
        Set es = packageParams.entrySet();  
        Iterator it = es.iterator();  
        while(it.hasNext()) {  
            Map.Entry entry = (Map.Entry)it.next();  
            String k = (String)entry.getKey();  
            String v = (String)entry.getValue();  
            if(!"sign".equals(k) && null != v && !"".equals(v)) {  
                sb.append(k + "=" + v + "&");  
            }  
        }  

        sb.append("key=" + signKey);

        //算出摘要  
        String mysign = MD5.MD5Encode(sb.toString()).toLowerCase();
        String tenpaySign = ((String)packageParams.get("sign")).toLowerCase();  

        //System.out.println(tenpaySign + "    " + mysign);  
        return tenpaySign.equals(mysign);  
    }  


    /**
     * @Description：sign签名
     * @param parameters 请求参数
     * @return
     */
    public static String createSign(SortedMap<String,String> parameters,String signKey){
        StringBuffer sb = new StringBuffer();
        Set es = parameters.entrySet();
        Iterator it = es.iterator();
        while(it.hasNext()) {
            Map.Entry<String,String> entry = (Map.Entry)it.next();
            String k = entry.getKey();
            String v = entry.getValue();
            if(null != v && !"".equals(v) 
                    && !"sign".equals(k) && !"key".equals(k)) {
                sb.append(k + "=" + v + "&");
            }
        }
        sb.append("key="+signKey);
        String sign = MD5.MD5Encode(sb.toString()).toUpperCase();
        return sign;
    }
    /**
     * @Description：将请求参数转换为xml格式的string
     * @param parameters  请求参数
     * @return
     */
    public static String getRequestXml(SortedMap<String,String> parameters){
        StringBuffer sb = new StringBuffer();
        sb.append("<xml>");
        Set es = parameters.entrySet();
        Iterator it = es.iterator();
        while(it.hasNext()) {
            Map.Entry<String,String> entry = (Map.Entry)it.next();
            String k = entry.getKey();
            String v = entry.getValue();
            if ("attach".equalsIgnoreCase(k)||"body".equalsIgnoreCase(k)) {
                sb.append("<"+k+">"+"<![CDATA["+v+"]]></"+k+">");
            }else {
                sb.append("<"+k+">"+v+"</"+k+">");
            }
        }
        sb.append("</xml>");
        return sb.toString();
    }
    /**
     * @Description：返回给微信的参数
     * @param return_code 返回编码
     * @param return_msg  返回信息
     * @return
     */
    public static String setXML(String return_code, String return_msg) {
        return "<xml><return_code><![CDATA[" + return_code
                + "]]></return_code><return_msg><![CDATA[" + return_msg
                + "]]></return_msg></xml>";
    }


    /**
     * 发送https请求
     * @param requestUrl 请求地址
     * @param requestMethod 请求方式（GET、POST）
     * @param outputStr 提交的数据
     * @return 返回微信服务器响应的信息
     */
    public static String httpsRequest(String requestUrl, String requestMethod, String outputStr) {
        try {
            // 创建SSLContext对象，并使用我们指定的信任管理器初始化
            TrustManager[] tm = { new MyX509TrustManager() };
            SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
            sslContext.init(null, tm, new java.security.SecureRandom());
            // 从上述SSLContext对象中得到SSLSocketFactory对象
            SSLSocketFactory ssf = sslContext.getSocketFactory();
            URL url = new URL(requestUrl);
            HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
            //conn.setSSLSocketFactory(ssf);
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setUseCaches(false);
            // 设置请求方式（GET/POST）
            conn.setRequestMethod(requestMethod);
            conn.setRequestProperty("content-type", "application/x-www-form-urlencoded"); 
            // 当outputStr不为null时向输出流写数据
            if (null != outputStr) {
                OutputStream outputStream = conn.getOutputStream();
                // 注意编码格式
                outputStream.write(outputStr.getBytes("UTF-8"));
                outputStream.close();
            }
            // 从输入流读取返回内容
            InputStream inputStream = conn.getInputStream();
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "UTF-8");
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
            String str = null;
            StringBuffer buffer = new StringBuffer();
            while ((str = bufferedReader.readLine()) != null) {
                buffer.append(str);
            }
            // 释放资源
            bufferedReader.close();
            inputStreamReader.close();
            inputStream.close();
            inputStream = null;
            conn.disconnect();
            return buffer.toString();
        } catch (ConnectException ce) {
//          log.error("连接超时：{}", ce);
        } catch (Exception e) {
//          log.error("https请求异常：{}", e);
        }
        return null;
    }

    /**
     * 发送https请求
     * 
     * @param requestUrl 请求地址
     * @param requestMethod 请求方式（GET、POST）
     * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)
     */
     public static JSONObject httpsRequest(String requestUrl, String requestMethod) {
            JSONObject jsonObject = null;
            try {
                    // 创建SSLContext对象，并使用我们指定的信任管理器初始化
                    TrustManager[] tm = { new MyX509TrustManager() };
                    SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
                    sslContext.init(null, tm, new java.security.SecureRandom());
                    // 从上述SSLContext对象中得到SSLSocketFactory对象
                    SSLSocketFactory ssf = sslContext.getSocketFactory();
                    URL url = new URL(requestUrl);
                    HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
                    //conn.setSSLSocketFactory(ssf);
                    conn.setDoOutput(true);
                    conn.setDoInput(true);
                    conn.setUseCaches(false);
                    conn.setConnectTimeout(3000);
                    // 设置请求方式（GET/POST）
                    conn.setRequestMethod(requestMethod);
                    //conn.setRequestProperty("content-type", "application/x-www-form-urlencoded"); 
                    // 当outputStr不为null时向输出流写数据
                    // 从输入流读取返回内容
                    InputStream inputStream = conn.getInputStream();
                    InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "UTF-8");
                    BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
                    String str = null;
                    StringBuffer buffer = new StringBuffer();
                    while ((str = bufferedReader.readLine()) != null) {
                            buffer.append(str);
                    }
                    // 释放资源
                    bufferedReader.close();
                    inputStreamReader.close();
                    inputStream.close();
                    inputStream = null;
                    conn.disconnect();
                    jsonObject = JSONObject.parseObject(buffer.toString());
            } catch (ConnectException ce) {
//                    log.error("连接超时：{}", ce);
            } catch (Exception e) {
                    System.out.println(e);
//                    log.error("https请求异常：{}", e);
            }
            return jsonObject;
}

    public static String urlEncodeUTF8(String source){
        String result = source;
        try {
            result = java.net.URLEncoder.encode(source,"utf-8");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return result;
    }
}