1、发起签约 WXOpenBusinessWebview.Req req = new WXOpenBusinessWebview.Req(); req.businessType = 12;//固定值 HashMapstring, string="" style="color: rgb(77, 77, 76); font-family: monospace; white-space: pre;">queryInfo = new HashMap<>(); queryInfo.put("key1","value1"); queryInfo.put("key2","value2"); queryInfo.put("key3","value3"); req.queryInfo = queryInfo; api.sendReq(req);/string,> string, string="" style="color: rgb(77, 77, 76); font-family: monospace; white-space: pre;">2、返回/string,> string, string="" style="color: rgb(77, 77, 76); font-family: monospace; white-space: pre;"> /string,> string, string="" style="color: rgb(77, 77, 76); font-family: monospace; white-space: pre;">/string,> class WXEntryActivity { @Override public void onReq(BaseReq req) { super.onReq(req);     //问题1，这里返回这个类型，其他小程序调用返回这个类型，那如何区分是签约发起还是小程序调的呢？     ConstantsAPI.COMMAND_SHOWMESSAGE_FROM_WX     // 问题2， 假如是通过 WXAppExtendObject.extInfo 的值做区分，那签约的时候返回的是wx_papay,怎么    保证其他场景不会返回这个值 } string, string="" style="color: rgb(77, 77, 76); font-family: monospace; white-space: pre;">/string,>