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应用场景：
微信小程序访问服务器端的数据库获取数据，需要在服务器端开放一个公网IP和端口供小程序访问，为了数据安全，想对该公网IP和端口的访问权限进行限制，最好能限制为仅供微信小程序访问，因此就需要知道微信小程序的IP地址，最好是固定IP地址，该如何实现这个诉求？
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1.具体接口调用方式如下：
wx.request({ url: `http://127.0.0.1:8080/certificate?${queryParams}`, method: 'GET', success: (res) => { const data = res.data; // 检查是否为错误消息 if (typeof data === 'string') { if (data === '未在数据库中查询到对应信息') { this.setData({ result: null, noResult: true, }); } else { wx.showToast({ title: data, icon: 'none', }); } return; } // 处理成功返回的数据 if (Array.isArray(data) && data.length > 0) { const cert = data[0]; this.setData({ result: { name: cert.name, certNumber: cert.certNumber, issueDate: cert.issueDate, courseName: cert.courseName, }, noResult: false, }); } else { this.setData({ result: null, noResult: true, }); } }, fail: () => { wx.showToast({ title: '连接失败，请检查网络或后端服务', icon: 'none', }); }, complete: () => { this.setData({ isLoading: false }); } });
2.服务器收到请求的完整请求头信息
CertificatesCheck.ts:103 GET http://127.0.0.1:8080/certificate?name=%E5%BC%A0%E4%B8%89&certNumber=123&issueDate=2018-08-10 404 (Not Found) queryCertificate @ CertificatesCheck.ts:103 CertificatesCheck.ts:103 GET http://127.0.0.1:8080/certificate?name=%E5%BC%A0%E4%B8%89&certNumber=123&issueDate=2018-08-10 404 (Not Found) queryCertificate @ CertificatesCheck.ts:103 CertificatesCheck.ts:103 GET http://127.0.0.1:8080/certificate?name=%E5%BC%A0%E4%B8%89&certNumber=123&issueDate=2018-08-10 404 (Not Found) queryCertificate @ CertificatesCheck.ts:103 CertificatesCheck.ts:103 GET http://127.0.0.1:8080/certificate?name=%E5%BC%A0%E4%B8%89&certNumber=123&issueDate=2018-08-10 404 (Not Found) queryCertificate @ CertificatesCheck.ts:103 [worker] reportRealtimeAction:fail not support
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1.具体接口调用方式如下：
wx.request({ url: `http://127.0.0.1:8080/certificate?${queryParams}`, method: 'GET', success: (res) => { const data = res.data; // 检查是否为错误消息 if (typeof data === 'string') { if (data === '未在数据库中查询到对应信息') { this.setData({ result: null, noResult: true, }); } else { wx.showToast({ title: data, icon: 'none', }); } return; } // 处理成功返回的数据 if (Array.isArray(data) && data.length > 0) { const cert = data[0]; this.setData({ result: { name: cert.name, certNumber: cert.certNumber, issueDate: cert.issueDate, courseName: cert.courseName, }, noResult: false, }); } else { this.setData({ result: null, noResult: true, }); } }, fail: () => { wx.showToast({ title: '连接失败，请检查网络或后端服务', icon: 'none', }); }, complete: () => { this.setData({ isLoading: false }); } });2.服务器收到请求的完整请求头信息
CertificatesCheck.ts:103 GET http://127.0.0.1:8080/certificate?name=%E5%BC%A0%E4%B8%89&certNumber=123&issueDate=2018-08-10 404 (Not Found) queryCertificate @ CertificatesCheck.ts:103 CertificatesCheck.ts:103 GET http://127.0.0.1:8080/certificate?name=%E5%BC%A0%E4%B8%89&certNumber=123&issueDate=2018-08-10 404 (Not Found) queryCertificate @ CertificatesCheck.ts:103 CertificatesCheck.ts:103 GET http://127.0.0.1:8080/certificate?name=%E5%BC%A0%E4%B8%89&certNumber=123&issueDate=2018-08-10 404 (Not Found) queryCertificate @ CertificatesCheck.ts:103 CertificatesCheck.ts:103 GET http://127.0.0.1:8080/certificate?name=%E5%BC%A0%E4%B8%89&certNumber=123&issueDate=2018-08-10 404 (Not Found) queryCertificate @ CertificatesCheck.ts:103 [worker] reportRealtimeAction:fail not support