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@@ -325,9 +325,12 @@ class bleManager {
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// 断开与指定设备的连接
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// 断开与指定设备的连接
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disconnect() {
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disconnect() {
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var that = this;
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var that = this;
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- let device = that.publicDevice ?? {};
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- let deviceId = device.deviceId ?? ""
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- if (deviceId.length === 0) {
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+ let device = that.publicDevice;
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+ if (device == null) {
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+ return;
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+ }
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+ let deviceId = device.deviceId
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+ if (deviceId == null || deviceId == "") {
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return;
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return;
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}
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}
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