• 微信支付出现的问题总结--不同域名进行授权解决方案

        1、如果使用的是微信支付的方式，并且使用的是native的支付方式，那么需要在服务器上生成一张二维码，注意二维码的路径问题：
    1. String imgName  = UUID.randomUUID().toString().replace("-", "") +".png";
    2. String QRPath =  this.getServletContext().getRealPath("/pay/QRIMG/wx") + imgName;
        使用上述的方式可以解决路径问题；在项目中直接引用该文件就可以了
       2、在多个项目中，由于微信的授权登陆只能配置一个，如下图（不同域名进行授权解决方案）：


    此时我们想获得到微信授权到不同的域名，此时的方法为：



    这里贴出2个主要的授权方法：
     
    解析方法；
    1. package com.huawei.nser.wap.wxtransformation;
    3. import java.util.Enumeration;
    4. import java.util.HashMap;
    5. import java.util.Map;
    6. import java.util.UUID;
    8. import javax.servlet.http.HttpServletRequest;
    9. import javax.servlet.http.HttpServletResponse;
    11. import org.apache.struts.action.Action;
    12. import org.apache.struts.action.ActionForm;
    13. import org.apache.struts.action.ActionForward;
    14. import org.apache.struts.action.ActionMapping;
    15. import org.jfree.util.Log;
    16. import org.slf4j.Logger;
    17. import org.slf4j.LoggerFactory;
    18. import com.huawei.nser.pub.SJBUtil;
    19. import com.huawei.nser.wap.wxtransformation.model.TransfmMessageBean;
    20. import com.huawei.nser.wap.wxtransformation.service.TransfmMessageService;
    23. /**
    24.  * 
    25.  * @author 获取微信id并跳转
    26.  *
    27.  */
    28. public class WapTransWXAction extends Action{
    29. 	private Logger log = LoggerFactory.getLogger(WapTransWXAction.class);
    30. 	private TransfmMessageService transfmMessageService ;
    31. 	@Override
    32. 	public ActionForward execute(ActionMapping mapping, ActionForm form,
    33. 			HttpServletRequest request, HttpServletResponse response) throws Exception {
    34. 		log.info("@@@@@ WapTransWXAction.execute enter this method");
    35. 		transfmMessageService = (TransfmMessageService) SJBUtil.getBean("transfmMessage");
    36. 		//获取信息并保持内容
    37. 		String id = UUID.randomUUID().toString().replace("-", "");
    38. 		String field1 = request.getParameter("field1");
    39. 		String field2 = request.getParameter("field2");
    40. 		String field3 = request.getParameter("field3");
    41. 		String call_back_url = request.getParameter("callBackUrl");
    42. 		
    43. 		TransfmMessageBean transfmMessageBean = new TransfmMessageBean();
    44. 		transfmMessageBean.setId(id);
    45. 		transfmMessageBean.setField1(field1);
    46. 		transfmMessageBean.setField2(field2);
    47. 		transfmMessageBean.setField3(field3);
    48. 		transfmMessageBean.setCall_back_url(call_back_url);
    49. 		
    50. 		//step1 保存转换信息
    51. 		transfmMessageService.saveTransFmMessage(transfmMessageBean);
    52. 		
    53. 		
    54. 		
    55. 		String authorizeUrl = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx4b19bad466392998&redirect_uri=http://babyhhcsy.imwork.net/wapnew/ngwap/weixinopenid.do?id="+id+"&response_type=code&scope=snsapi_base&state=1#wechat_redirect";
    56. 		log.info("@@@@@ WapTransWXAction.execute  get authorizeurl is :{}",authorizeUrl);
    57. 		//step 3 调取微信；
    58. 		response.sendRedirect(authorizeUrl);
    59. 		return null;
    60. 	}
    61. 	public Map<String, String> request2Map(HttpServletRequest request) {
    62. 		Map<String, String> map = new HashMap<String, String>();
    63. 		Enumeration<String> names = request.getParameterNames();
    64. 		while (names.hasMoreElements()) {
    65. 			String key = names.nextElement();
    66. 			String value = request.getParameter(key);
    67. 			if (value == null || value.trim().equals("")) {
    68. 				continue;
    69. 			}
    70. 			map.put(key, value);
    71. 		}
    72. 		return map;
    73. 	}
    74. 	public String map2String(Map<String,String> map){
    75. 		StringBuffer sb = new StringBuffer();
    76. 		for (Map.Entry<String, String> entry : map.entrySet()) {  
    77. 			sb.append(entry.getKey()+"="+entry.getValue()+";");
    78. 		}
    79. 		Log.info(sb.toString());
    80. 		return sb.toString();
    81. 	}
    82. 	public TransfmMessageService getTransfmMessageService() {
    83. 		return transfmMessageService;
    84. 	}
    85. 	public void setTransfmMessageService(TransfmMessageService transfmMessageService) {
    86. 		this.transfmMessageService = transfmMessageService;
    87. 	}
    88. 	
    89. }
    解析方法：
    1. package com.huawei.nser.wap.wxtransformation;
    3. import java.io.IOException;
    4. import java.util.Enumeration;
    5. import java.util.HashMap;
    6. import java.util.Map;
    8. import javax.servlet.ServletException;
    9. import javax.servlet.http.HttpServletRequest;
    10. import javax.servlet.http.HttpServletResponse;
    12. import net.sf.json.JSONObject;
    14. import org.apache.commons.lang.StringUtils;
    15. import org.apache.struts.action.Action;
    16. import org.apache.struts.action.ActionForm;
    17. import org.apache.struts.action.ActionForward;
    18. import org.apache.struts.action.ActionMapping;
    19. import org.slf4j.Logger;
    20. import org.slf4j.LoggerFactory;
    22. import com.huawei.nser.pub.SJBUtil;
    23. import com.huawei.nser.wap.bankPay.util.HttpsRequestUtil;
    24. import com.huawei.nser.wap.wxtransformation.model.TransfmMessageBean;
    25. import com.huawei.nser.wap.wxtransformation.service.TransfmMessageService;
    27. /**
    28.  * 微信转换类，获得code内容
    29.  * @author thero
    30.  *
    31.  */
    32. public class WXTransAction extends Action {
    33. 	private Logger log = LoggerFactory.getLogger(WapTransWXAction.class);
    34. 	private static final String code2openId = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=myappid&secret=mysecret&code=mycode&grant_type=authorization_code";
    36. 	private static final long serialVersionUID = 1L;
    37. 	@Override
    38. 	public ActionForward execute(ActionMapping mapping, ActionForm form,
    39. 			HttpServletRequest request, HttpServletResponse response) throws Exception {
    40. 		String code = request.getParameter("code");
    41. 		log.info("AuthorizeUserServlet.doPost get code is :{},get paramter is {}",code,request.getQueryString());
    42. 		//step 1 获得id ；
    43. 		String id  = request.getParameter("id");
    44. 		log.info("@@@@@ get url from wx is  :{},and id is",request.getRequestURL(),id);
    45. 		//step 2 从数据库查询id并获得url；
    46. 		TransfmMessageService transfmMessageService = (TransfmMessageService) SJBUtil.getBean("transfmMessage");
    47. 		TransfmMessageBean dbtransfmMessage = transfmMessageService.querytransfmMessage(id);
    48. 		if(dbtransfmMessage!=null){
    49. 			
    50. 			String call_back_url = dbtransfmMessage.getCall_back_url();
    51. 			String openid = this.code2OpenId(request, code, response);
    52. 			dbtransfmMessage.setOpenid(openid);
    53. 			transfmMessageService.saveTransFmMessage2(dbtransfmMessage);  
    54. 			
    55. 			StringBuffer sb = new StringBuffer();
    56. 			sb.append(call_back_url);
    57. 			sb.append("?openid="+openid);
    58. 			if(null!=dbtransfmMessage.getField1()&& !"".equals(dbtransfmMessage.getField1())){
    59. 				sb.append("&fields1="+dbtransfmMessage.getField1());
    60. 			}
    61. 			if(null!=dbtransfmMessage.getField2()&& !"".equals(dbtransfmMessage.getField2())){
    62. 				sb.append("&fields2="+dbtransfmMessage.getField2());
    63. 			}
    64. 			if(null!=dbtransfmMessage.getField3()&& !"".equals(dbtransfmMessage.getField3())){
    65. 				sb.append("&fields3="+dbtransfmMessage.getField3());
    66. 			}
    67. 			response.sendRedirect(sb.toString());
    68. 			return null;
    69. 		}
    70. 		return null;
    71. 	}
    72. 	public String  code2OpenId(HttpServletRequest request,String code, HttpServletResponse response) throws ServletException, IOException{
    73. 		String openId = null;
    74. 		String tempUrl = code2openId.replace("myappid", "wxXXXXX8").replace("mysecret", "13XXXXXXc66").replace("mycode",code);
    75. 		//String tempUrl = code2openId.replace("myappid", "wXXXXXf").replace("mysecret", "7aXXXXXc28").replace("mycode",code);
    76. 		log.info("AuthorizeUserServlet.code2OpenId get tempUrl is :{}",tempUrl);
    77. 		JSONObject result = HttpsRequestUtil.httpsRequest(tempUrl, HttpsRequestUtil.POST,"");
    78. 		log.info("AuthorizeUserServlet.code2OpenId get openid is  :{}",result.toString());
    79. 		if(!(null!=result && result.get("openid")!=null)){
    80. 			return null;
    81. 		}else{
    82. 			return result.get("openid").toString();
    83. 		}
    84. 	}
    85. 	public Map<String, String> request2Map(HttpServletRequest request) {
    86. 		Map<String, String> map = new HashMap<String, String>();
    87. 		Enumeration<String> names = request.getParameterNames();
    88. 		while (names.hasMoreElements()) {
    89. 			String key = names.nextElement();
    90. 			String value = request.getParameter(key);
    91. 			if (value == null || value.trim().equals("")) {
    92. 				continue;
    93. 			}
    94. 			map.put(key, value);
    95. 		}
    96. 		return map;
    97. 	}
    98. 	public String map2String(Map<String, String> map) {
    99. 		StringBuffer sb = new StringBuffer();
    100. 		for (Map.Entry<String, String> entry : map.entrySet()) {
    101. 			sb.append(entry.getKey() + "=" + entry.getValue() + ";");
    102. 		}
    103. 		log.info(sb.toString());
    104. 		return sb.toString();
    105. 	}
    106. }
    数据库脚本：
    1. prompt PL/SQL Developer import file
    2. prompt Created on 2015年7月17日 星期五 by wangjirong
    3. set feedback off
    4. set define off
    5. prompt Creating EC_GET_OPEN_ID...
    6. create table EC_GET_OPEN_ID
    7. (
    8.   id            VARCHAR2(32) not null,
    9.   call_back_url VARCHAR2(300),
    10.   openid        VARCHAR2(28),
    11.   session_id    VARCHAR2(24),
    12.   field1        VARCHAR2(30),
    13.   field2        VARCHAR2(30),
    14.   field3        VARCHAR2(30)
    15. )
    16. tablespace ECARE
    17.   pctfree 10
    18.   initrans 20
    19.   maxtrans 255
    20.   storage
    21.   (
    22.     initial 1M
    23.     next 2M
    24.     minextents 1
    25.     maxextents unlimited
    26.   );
    27. comment on table EC_GET_OPEN_ID
    28.   is '微信统一获得openid数据库';
    29. comment on column EC_GET_OPEN_ID.id
    30.   is 'id主键';
    31. comment on column EC_GET_OPEN_ID.call_back_url
    32.   is '回调url地址';
    33. comment on column EC_GET_OPEN_ID.openid
    34.   is 'openid微信';
    35. comment on column EC_GET_OPEN_ID.session_id
    36.   is '请求session位置';
    37. comment on column EC_GET_OPEN_ID.field1
    38.   is '备用字段1';
    39. comment on column EC_GET_OPEN_ID.field2
    40.   is '备用字段2';
    41. comment on column EC_GET_OPEN_ID.field3
    42.   is '备用字段3';
    43. alter table EC_GET_OPEN_ID
    44.   add constraint PK primary key (ID)
    45.   using index 
    46.   tablespace ECARE
    47.   pctfree 10
    48.   initrans 2
    49.   maxtrans 255
    50.   storage
    51.   (
    52.     initial 64K
    53.     next 1M
    54.     minextents 1
    55.     maxextents unlimited
    56.   );
    58. prompt Disabling triggers for EC_GET_OPEN_ID...
    59. alter table EC_GET_OPEN_ID disable all triggers;
    60. prompt Loading EC_GET_OPEN_ID...
    61. insert into EC_GET_OPEN_ID (id, call_back_url, openid, session_id, field1, field2, field3)
    62. values ('121', 'http://192.168.88.210:8071/weixin/pay/pay.jsp', 'oznhbuPT3DkbBHmZCWbU4Gr4cbjw', null, '123', '321', null);
    63. insert into EC_GET_OPEN_ID (id, call_back_url, openid, session_id, field1, field2, field3)
    64. values ('feb0aaed1cda4c868b569bb2c6202a68', 'http://192.168.88.210:8071/weixin/pay/pay.jsp', null, null, '123', '321', null);
    65. insert into EC_GET_OPEN_ID (id, call_back_url, openid, session_id, field1, field2, field3)
    66. values ('078ed17fb5f14665af5c5abef8570bf9', 'http://192.168.88.210:8071/weixin/pay/pay.jsp', null, null, '123', '321', null);
    67. insert into EC_GET_OPEN_ID (id, call_back_url, openid, session_id, field1, field2, field3)
    68. values ('020e9039d75d4ea88b9a8e79e8310bc5', 'http://192.168.88.210:8071/weixin/pay/pay.jsp', null, null, '123', '321', null);
    69. insert into EC_GET_OPEN_ID (id, call_back_url, openid, session_id, field1, field2, field3)
    70. values ('65a063d899e44349a906d652228d7759', 'http://192.168.88.210:8071/weixin/pay/pay.jsp', null, null, '123', '321', null);
    71. insert into EC_GET_OPEN_ID (id, call_back_url, openid, session_id, field1, field2, field3)
    72. values ('cb9e40134a3043319af8ef70fff208af', 'http://192.168.88.210:8071/weixin/pay/pay.jsp', null, null, '123', '321', null);
    73. insert into EC_GET_OPEN_ID (id, call_back_url, openid, session_id, field1, field2, field3)
    74. values ('a789ee91f5d749a89a20fe102f93dddb', 'http://192.168.88.210:8071/weixin/pay/pay.jsp', null, null, '123', '321', null);
    75. commit;
    76. prompt 7 records loaded
    77. prompt Enabling triggers for EC_GET_OPEN_ID...
    78. alter table EC_GET_OPEN_ID enable all triggers;
    79. set feedback on
    80. set define on
    81. prompt Done.
    3、微信openid的区别：
        在开发微信的时候，如果你使用了测试账户，测试账户值得是：在公众平台设置的测试账号；测试你用过授权得到的openid，和实际使用的openid是不一致的！，需要特别的注意，在正式上线的时候，需要使用真实的openid；
        使用测试账号的openid和测试的首选域，是可以完成支付测试的，需要注意：只
    公众平台设置了测试授权目录才能进行相应的支付测试，负责，不能完成支付；
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  • 原文地址：https://www.cnblogs.com/babyhhcsy/p/34e4f91e8956acffb03da975bedc8606.html
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