線上書籍

在 form 表單元件，加上id

<form id="orderForm" class="mt-4"> <div class="mb-3"> <label class="form-label">姓名</label> <input type="text" class="form-control" name="name" id="name" required> </div> <div class="mb-3"> <label class="form-label">電話</label> <input type="tel" class="form-control" name="tel" id="tel" required> </div> <div class="mb-3"> <label class="form-label">EMAIL</label> <input type="email" class="form-control" name="email" required> </div> <div class="mb-3"> <label class="form-label">送貨地址</label> <input type="text" class="form-control" name="addr" id="addr" required> </div> <div class="mb-3"> <label class="form-label">備註</label> <textarea class="form-control" name="ps" rows="3"></textarea> </div> </form>

在 javascript 

let user = JSON.parse(<?= JSON.stringify(session); ?>).user; document.getElementById("name").value = user.name; document.getElementById("tel").value = user.tel; document.getElementById("addr").value = user.addr;

訂單提交 

orderData.userId = '';//屆時會從Line Bot傳過來

改成

orderData.userId = user.userId;//屆時會從Line Bot傳過來

至「管理/訂購單」查看訂單，確認「好友ID」已經寫入