java微信公众号支付接口代码

package com.weixin.common.util; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.net.ConnectException; import java.net.URL; import javax.net.ssl.HttpsURLConnection; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLSocketFactory; import javax.servlet.http.HttpServletRequest; import org.apache.http.entity.StringEntity; import net.sf.json.JSONObject; import com.weixin.common.wxpojo.AccessToken; import com.weixin.common.wxpojo.WebAccessToken; import com.weixin.pojo.WxUser; /** * * @ClassName: WeChatUtil * @Description: 微信开发工具类 * @author Administrator * @date 2015-7-8 上午11:50:24 * */ public class WeChatUtil { /** * * @Title: httpRequest * @Description: 访问微信接口 * @author Administrator * @date 2015-7-8 下午03:34:12 * @param requestUrl 访问路径 * @param requestMethod 访问类型 POST OR GET * @param outputStr 要提交的数据，没有设置为null * @return 返回数据 json格式 */ public static JSONObject httpRequest(String requestUrl,String requestMethod, String outputStr) { JSONObject jsonObject = null; StringBuffer buffer = new StringBuffer(); 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 TrustManager() }; 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 httpUrlConn = (HttpsURLConnection) url.openConnection(); httpUrlConn.setSSLSocketFactory(ssf); httpUrlConn.setDoOutput(true); httpUrlConn.setDoInput(true); httpUrlConn.setUseCaches(false); // 设置请求方式（GET/POST） httpUrlConn.setRequestMethod(requestMethod); if ("GET".equalsIgnoreCase(requestMethod)) httpUrlConn.connect(); // 当有数据需要提交时 if (null != outputStr) { OutputStream outputStream = httpUrlConn.getOutputStream(); // 注意编码格式，防止中文乱码 outputStream.write(outputStr.getBytes("UTF-8")); outputStream.close(); } // 将返回的输入流转换成字符串 InputStream inputStream = httpUrlConn.getInputStream(); InputStreamReader inputStreamReader = new InputStreamReader( inputStream, "utf-8"); BufferedReader bufferedReader = new BufferedReader( inputStreamReader); String str = null; while ((str = bufferedReader.readLine()) != null) { buffer.append(str); } bufferedReader.close(); inputStreamReader.close(); // 释放资源 inputStream.close(); inputStream = null; httpUrlConn.disconnect(); jsonObject = JSONObject.fromObject(buffer.toString()); } catch (ConnectException ce) { System.out.println("微信服务器连接超时！"); } catch (Exception e) { System.out.println("HTTPS请求错误，错误信息：\n" + e.getMessage()); } return jsonObject; } //刷新网页授权access_token的接口地址(GET) public final static String refresh_access_token_url="https://api.weixin.qq.com/sns/oauth2/refresh_token?appid=APPID&grant_type=refresh_token&refresh_token=REFRESH_TOKEN"; /** * * @Title: getRefreshAccessToken * @Description: 刷新网页授权access_token * @author Administrator * @date 2015-7-12 上午09:55:46 * @param appid * @param refresh_token * @return */ public static WebAccessToken getRefreshAccessToken(String appid,String refresh_token){ WebAccessToken accessToken=null; String requestUrl=refresh_access_token_url.replace("APPID", appid).replace("REFRESH_TOKEN", refresh_token); JSONObject jsonObject=httpRequest(requestUrl, "GET", null); if (null != jsonObject) { try { accessToken = new WebAccessToken(); accessToken.setToken(jsonObject.getString("access_token")); accessToken.setExpiresIn(jsonObject.getInt("expires_in")); accessToken.setRefreshToken(jsonObject.getString("refresh_token")); accessToken.setOpenid(jsonObject.getString("openid")); accessToken.setScope(jsonObject.getString("scope")); //accessToken.setUnionid(jsonObject.getString("unionid")); } catch (Exception e) { accessToken = null; // 获取token失败 System.out.println("获取TOKEN失败("+jsonObject.getInt("errcode")+")："+WeChatErrorCode.ERRORCODE.get(jsonObject.getInt("errcode"))); } } return accessToken; } //获取 网页授权access_token的接口地址(GET) public final static String web_access_token_url="https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=SECRET&code=CODE&grant_type=authorization_code"; /** * * @Title: getWebAccessToken * @Description: 获取网页授权access_token * @author Administrator * @date 2015-7-12 上午09:47:47 * @param appid 应用id * @param secret * @param code * @return */ public static WebAccessToken getWebAccessToken(String appid,String secret,String code){ WebAccessToken accessToken=null; String requestUrl=web_access_token_url.replace("APPID", appid).replace("SECRET", secret).replace("CODE", code); JSONObject jsonObject=httpRequest(requestUrl, "GET", null); // 如果请求成功 if (null != jsonObject) { try { accessToken = new WebAccessToken(); accessToken.setToken(jsonObject.getString("access_token")); accessToken.setExpiresIn(jsonObject.getInt("expires_in")); accessToken.setRefreshToken(jsonObject.getString("refresh_token")); accessToken.setOpenid(jsonObject.getString("openid")); accessToken.setScope(jsonObject.getString("scope")); //accessToken.setUnionid(jsonObject.getString("unionid")); } catch (Exception e) { accessToken = null; // 获取token失败 System.out.println("获取TOKEN失败("+jsonObject.getInt("errcode")+")："+WeChatErrorCode.ERRORCODE.get(jsonObject.getInt("errcode"))); } } return accessToken; } // 获取access_token的接口地址（GET） 限200（次/天） public final static String access_token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET"; /** * * @Title: getAccessToken * @Description: 获取access_token * @author Administrator * @date 2015-7-8 下午12:08:00 * @param appid 凭证 * @param appsecret 秘钥 * @return */ public static AccessToken getAccessToken(String appid, String appsecret) { AccessToken accessToken = null; String requestUrl = access_token_url.replace("APPID", appid).replace("APPSECRET", appsecret); JSONObject jsonObject = httpRequest(requestUrl, "GET", null); // 如果请求成功 if (null != jsonObject) { try { accessToken = new AccessToken(); accessToken.setToken(jsonObject.getString("access_token")); accessToken.setExpiresIn(jsonObject.getInt("expires_in")); } catch (Exception e) { accessToken = null; // 获取token失败 System.out.println("获取TOKEN失败("+jsonObject.getInt("errcode")+")："+WeChatErrorCode.ERRORCODE.get(jsonObject.getInt("errcode"))); } } return accessToken; } // 菜单创建（POST） 限100（次/天） public static String menu_create_url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=ACCESS_TOKEN"; /** * * @Title: createMenu * @Description: 创建菜单 * @author Administrator * @date 2015-7-8 下午12:20:02 * @param jsonMenu 菜单实例(json格式) * @param accessToken * @return */ public static int createMenu(String jsonMenu, String accessToken) { int result = 0; // 拼装创建菜单的url St