場景

在進行新增和編輯時，如果后臺有傳遞到前端值，則根據值的內容選中下拉框。

實現

<select class="form-control" name="businessInitiator"? id="businessInitiator"><option? id="yuanliaoInitiator" th:selected="${refundOrder != null && refundOrder.businessInitiator != null && refundOrder.businessInitiator? == '原料立庫'}" value="原料立庫"><span th:text="原料立庫"></span></option><option? id="qingjieInitiator" th:selected="${refundOrder != null && refundOrder.businessInitiator != null && refundOrder.businessInitiator? == '清潔車間'}" value="清潔車間"><span th:text="清潔車間"></span></option><option? id="zhengjiInitiator" th:selected="${refundOrder != null && refundOrder.businessInitiator != null && refundOrder.businessInitiator? == '正極車間'}" value="正極車間"><span th:text="正極車間"></span></option><option? id="fujiInitiator" th:selected="${refundOrder != null && refundOrder.businessInitiator != null && refundOrder.businessInitiator? == '負極車間'}" value="負極車間"><span th:text="負極車間"></span></option><option value="" disabled selected hidden>選擇退貨發起方</option></select>

后臺返回數據代碼：

@Description("獲取新增或者編輯界面")@RequestMapping("/toAddRefundOrder")public String toAddRefundOrder( int id, Model model){if ( id != 0){//如果是編輯操作，查詢出當前退貨單WmsRefundOrder refundOrder = refundOrderService.getById(id);model.addAttribute("refundOrder",refundOrder);}return "refund/addRefundOrder.html";}

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