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手机获取nfc-id数组中的数据

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WindowBird 2025-11-20 14:19:02 +08:00
parent b51f87790f
commit cb37e2355f
1 changed files with 16 additions and 17 deletions
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33
pages/memorial/nfcPairing.vue
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@ -19,9 +19,7 @@
</view> </view>
<view v-if="nfcSupported" class="nfc-status"> <view v-if="nfcSupported" class="nfc-status">
<view class="nfc-status-header"> <view class="nfc-status-header">
<view <view :class="['status-dot', nfcEnabled ? 'online' : 'offline']" />
:class="['status-dot', nfcEnabled ? 'online' : 'offline']"
/>
<text class="nfc-status-title">{{ nfcStatusText }}</text> <text class="nfc-status-title">{{ nfcStatusText }}</text>
</view> </view>
<view v-if="nfcError" class="nfc-error-text"> <view v-if="nfcError" class="nfc-error-text">
@ -609,7 +607,7 @@ export default {
this.nfcError = error.message || "初始化失败"; this.nfcError = error.message || "初始化失败";
} }
// #endif // #endif
// #ifndef MP-WEIXIN // #ifndef MP-WEIXIN
// 非微信小程序环境，不支持 NFC // 非微信小程序环境，不支持 NFC
console.warn("NFC 功能仅在微信小程序中支持"); console.warn("NFC 功能仅在微信小程序中支持");
@ -637,7 +635,7 @@ export default {
console.error("启动 NFC 发现失败:", err); console.error("启动 NFC 发现失败:", err);
this.nfcEnabled = false; this.nfcEnabled = false;
this.nfcError = err.errMsg || "启动失败"; this.nfcError = err.errMsg || "启动失败";
// 如果是权限问题，给出提示 // 如果是权限问题，给出提示
if (err.errMsg && err.errMsg.includes("permission")) { if (err.errMsg && err.errMsg.includes("permission")) {
this.nfcError = "需要 NFC 权限，请在设置中开启"; this.nfcError = "需要 NFC 权限，请在设置中开启";
@ -655,7 +653,7 @@ export default {
}, },
handleNfcDiscovered(res) { handleNfcDiscovered(res) {
console.log("发现 NFC 标签:", res); console.log("发现 NFC 标签:", res);
try { try {
let cardNo = ""; let cardNo = "";
@ -672,21 +670,22 @@ export default {
// 将 ArrayBuffer 转换为十六进制字符串 // 将 ArrayBuffer 转换为十六进制字符串
const uint8Array = new Uint8Array(res.id); const uint8Array = new Uint8Array(res.id);
const bytes = Array.from(uint8Array); const bytes = Array.from(uint8Array);
console.log("=== NFC 卡号提取详情 ==="); console.log("=== NFC 卡号提取详情 ===");
console.log("ArrayBuffer 字节长度:", res.id.byteLength); console.log("ArrayBuffer 字节长度:", res.id.byteLength);
console.log("ArrayBuffer 字节数组（十进制）:", bytes); console.log("ArrayBuffer 字节数组（十进制）:", bytes);
console.log("ArrayBuffer 字节数组（十六进制）:", bytes.map(b => "0x" + b.toString(16).padStart(2, "0").toUpperCase())); console.log(
"ArrayBuffer 字节数组（十六进制）:",
// 转换为十六进制字符串（每字节两位，不足补0） bytes.map(
(b) => "0x" + b.toString(16).padStart(2, "0").toUpperCase(),
),
);
// 转换为十六进制字符串（每字节两位，不足不补0）
// NFC 卡号通常按照字节顺序（大端序）存储 // NFC 卡号通常按照字节顺序（大端序）存储
cardNo = bytes cardNo = bytes.join("").toUpperCase();
.join("")
.toUpperCase(); console.log("转换后的卡号（十进制字符串）:", cardNo);
// 如果字节数组是 [0, 0, 5, 32]，则卡号为 "00000520"
// 如果字节数组是 [32, 5, 0, 0]，则卡号为 "20050000"
console.log("转换后的卡号（十六进制字符串）:", cardNo);
console.log("卡号长度:", cardNo.length, "字符"); console.log("卡号长度:", cardNo.length, "字符");
console.log("========================"); console.log("========================");
} else if (typeof res.id === "string") { } else if (typeof res.id === "string") {