對js不太熟，上網各種搜后終于完成了功能，貼出來供大家參考，也歡迎提出改進意見，其余后臺部分都沒做任何改動

function delRow(id){
?? ??? ?
?? ??? ?if (confirm("are you sure to delete?")){
?? ??? ??? ?
?? ??? ??? ?var tmp = document.createElement("form");//創建表單
?? ??? ??? ?var action = "<%=request.getContextPath()%>/DelOneServlet.action?id="+id; //拼接提交地址及id參數

?? ??? ??? ?document.body.appendChild(tmp); //將表單插入頁面主體

?? ??? ??? ?var cmdValue = document.getElementById("cmd").value;
?? ??? ??? ?if (cmdValue!=null && cmdValue!=undefined && cmdValue!=""){
?? ??? ??? ??? ?var input1 = document.createElement("input"); //創建隱藏輸入框用來傳遞指令
?? ?
?? ??? ??? ??? ?input1.type = "hidden";
?? ??? ??? ??? ?input1.value = cmdValue;
?? ??? ??? ??? ?input1.name = "cmd";
?? ?
?? ??? ??? ??? ?tmp.appendChild(input1); //將創建好的隱藏指令輸入框插入表單
?? ??? ??? ?}

?? ??? ??? ?var descValue = document.getElementById("desc").value;
?? ??? ??? ?if (descValue!=null && descValue!=undefined && descValue!=""){
?? ??? ??? ??? ?var input2 = document.createElement("input"); //創建隱藏輸入狂用來傳遞描述
?? ?
?? ??? ??? ??? ?input2.type = "hidden";
?? ??? ??? ??? ?input2.value = descValue;
?? ??? ??? ??? ?input2.name = "desc";
?? ?
?? ??? ??? ??? ?tmp.appendChild(input2);//將創建好的隱藏描述輸入框插入表單
?? ??? ??? ?}
?? ??? ??? ?
?? ??? ??? ?tmp.action=action; //給表單賦值action
?? ??? ??? ?tmp.method="post"; //給表單賦值提交方式
?? ??? ?
?? ??? ??? ?tmp.submit(); //提交表單數據

?? ??? ??? ?document.removeChild(tmp); //任務完成，刪除創建的表單
?? ??? ??? ?
?? ??? ??? ?}