增加微信授权

src/main/java/org/rcisoft/wechat/WechatRedirectController.java

 package org.rcisoft.wechat;
 
+import me.chanjar.weixin.common.bean.WxJsapiSignature;
+import me.chanjar.weixin.common.exception.WxErrorException;
+import me.chanjar.weixin.mp.api.WxMpService;
 import me.chanjar.weixin.mp.bean.result.WxMpUser;
 import org.rcisoft.wechat.service.WxPortalService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 import javax.annotation.Resource;
-import javax.servlet.http.HttpServletResponse;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * 网页授权微信回调接口
+ *
  * @author David
  */
 @Controller
@@ -20,6 +26,9 @@ public class WechatRedirectController {
     @Resource
     private WxPortalService service;
 
+    @Autowired
+    private WxMpService wxService;
+
     @RequestMapping(value = {"/index"})
     public String index(String code) {
 
@@ -34,4 +43,20 @@ public class WechatRedirectController {
         }
     }
 
+    @RequestMapping(value = {"/getConfig"})
+    @ResponseBody
+    public Map<String, Object> getConfig(String url) {
+        try {
+            WxJsapiSignature wxJsapiSignature = service.getJsApiTicket(url);
+            Map<String, Object> map = new HashMap<>(4);
+            map.put("timestamp", wxJsapiSignature.getTimestamp());
+            map.put("nonceStr", wxJsapiSignature.getNonceStr());
+            map.put("signature", wxJsapiSignature.getSignature());
+            map.put("appId", wxJsapiSignature.getAppId());
+            return map;
+        } catch (WxErrorException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
 }