【问题标题】:how do i auto populate dropdown as well show other options in modify mode我如何自动填充下拉列表以及在修改模式下显示其他选项
【发布时间】:2017-12-26 05:43:22
【问题描述】:
 <select class="form-control" style ="margin-left: 20px;width:340px" id="emp_id" name="emp_id" required placeholder="Enter the Employee Id"/>

                                            <option value="">Employee Name</option>
                                            <% for (i = 0; i < emp_id_count; i++)  {%>
                                            <option value="<%= employee[i].emp_id %>"> <%=empname[i].emp_name %></option>
                                            <% }; %>
                            </select>

这是查看模式我应该如何自动填充以前的值,在修改模式下为 ejs 中的选择框字段显示新值。

【问题讨论】:

    标签: html node.js ejs


    【解决方案1】:

    Ejs 部分

    <form name="mod" id="mod" action="/employeeModule/employeeDetails/modempdet" method="post">
                                <label for="empid" style="color:#404040;margin-left: 50px">Employee Name <span style="color:red;font-size: 10pt">*</span></label>
                                <select class="form-control" style ="margin-left: 50px;width:340px" id="emp_id" name="emp_id" placeholder="Enter the Employee Id"/>
    
    
                                                <option value="">Employee Name</option>
                                                <% for (i = 0; i < emp_id_count; i++)  {%>
                                                <option value="<%= employee[i].emp_id %>"> <%=empname[i].emp_name %></option>
                                                <% }; %>
    
                                </select>
    

    节点js部分 pdbconnect.query("选择comm_code_desc from common_code_tbl where comm_code_id=$1",[empAccess],function(err,resultset){ empAccess_desc=resultset.rows['0'].comm_code_desc;

                //query to fetch other Data from Table for employee Access
    
                pdbconnect.query("SELECT comm_code_id,comm_code_desc from common_code_tbl where code_id = 'ACC' ",function(err,result){
                comm_code_empAccess=result.rows;
                comm_code_empAccess_count=result.rowCount;
    
                //query to select description of designation
    
                pdbconnect.query("select comm_code_desc from common_code_tbl where comm_code_id=$1",[desig],function(err,resultset){
                desig_desc=resultset.rows['0'].comm_code_desc;
    
                //query to fetch other Data from Table for designation
    
                pdbconnect.query("SELECT comm_code_id,comm_code_desc from common_code_tbl where code_id = 'DSG' ",function(err,result){
                comm_code_desig=result.rows;
                comm_code_desig_count=result.rowCount;
    

    然后渲染页面

    【讨论】:

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