19 lines
495 B
Go
19 lines
495 B
Go
package dao
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import "git.rosy.net.cn/jx-print/globals"
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type PrintActivation struct {
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}
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var PrintActivationDao = new(PrintActivation)
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// QueryPrintHeartBeat 查询打印机是否心跳监听正常
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func (p *PrintActivation) QueryPrintHeartBeat(printNo string) (bool, error) {
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count := 0
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err := globals.GetDB().QueryRow(`SELECT count(print_no) FROM print_activation WHERE print_no = ?`, []interface{}{printNo}...).Scan(&count)
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if err != nil {
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return false, err
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}
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return count == 1, nil
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}
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