[golang]-通过if判断是否需要隐藏内容

约定不等于承诺〃 2023-01-05 05:28 107阅读 0赞

##### 导语：想根据否个字段是否为空 来选择性显示某个选项。如果model后台的数值为空，就不显示。如果有值，则显示并让用户选择。 #####

效果如下

![97c71955b14a1b9847dda6bd763060e6.png][]

![3052c0042798ffabd32a8ec3c64458e1.png][]

相关html代码

{
       {$modelList := .deploypara.Model}}
                                {
       {if eq $modelList ""}}
                               
                                <li style="display:none" > job模块model:
                                {
       {else}}
                                <li > job模块model:
                                {
       {end}}

完整html

{
       {template "../../public/page_header.html" .}}
    
    <div class="container-fluid">
        <div class="row">
            <div class="panel panel-default">
                <div class="panel-heading">
                    发布job
                </div>
                <div class="panel-body">
                    <div class="table-responsive input-form">
                        <form action="/{
       {config "String" "adminPath" ""}}/job/test/doDeploy" method="post">
                            <ul>
                                <input type="hidden" name="id" value="{
       {.deploypara.Id}}">
                                <li> job名称: <input readonly type="text" name="name" value="{
       {.deploypara.Name}}" /></li>
                                
                                <li> job分支:
                                    <select name="branch" >
    
                                        <script language="javascript" type="text/javascript" 
                                            value="{
       {.deploypara.Branch}}">
    
    
    
                                                // var array1 = [1, 4, 2, 5, 7, 8];
                                                // var array1 = "{
       {.myStr}}"
                                                // var array1 = "{
       {.deploypara.Branch}}"
                                                // var array1 = ["develop","feature/v6.3.0_预约优化","master","release/v6.2.8.1019_百度","release/v6.3.0.1022"]
                                                var array1 = JSON.parse("{
       {.deploypara.Branch}}");
                                                for (var i = 0; i < array1.length; i++) {
                                                    document.write("<option>" + array1[i] + "</option>");
                                                    // <option value="volvo">Volvo</option>
                                                }
    
                                        // for (var d = 1; d <= 31; d++) {
                                        //     document.write("<option>" + d + "</option>");
                                        // }
    
                                            </script>
                                    </select>
    
    
    
                                </li>
                                {
       {$modelList := .deploypara.Model}}
                                {
       {if eq $modelList ""}}
                               
                                <li style="display:none" > job模块model:
                                {
       {else}}
                                <li > job模块model:
                                {
       {end}}
     
                                    <br />
                                    
                                    
    
                                        <script language="javascript" type="text/javascript" name="model"
                                            value="{
       {.deploypara.Model}}">
                                            //    var array2 = "{
       {.deploypara.Model}}";
                                                // var array2 = JSON.parse("{
       {.deploypara.Model}}");
                                                var array2 = JSON.parse("{
       {.deploypara.Model}}");
    
                                                for (var i = 0; i < array2.length; i++) {
                                                    document.write("<p> <input type=checkbox name=vmodel  value=" + array2[i]+ ">"  + "   " + array2[i])+ "</p>";
                                                    // document.write("<p> <input type=checkbox name=vmodel  value=" + array2[i]+ ">"  + "   " + array2[i])+ "</p>";
                                                    // document.write("<p> <input type=checkbox name=vmodel  value=" + array2[i] + "," + ">"  + "   " + array2[i])+ "</p>";
                                                    // document.write("<p> <input type=checkbox name=\"vmodel\"  value=" + array2[i] + "/>"  + "   " + array2[i])+ "</p>";
                                                    
                                                    // <option value="volvo">Volvo</option>
                                                }
    
                                        // for (var d = 1; d <= 31; d++) {
                                        //     document.write("<option>" + d + "</option>");
                                        // }
    
                                            </script>
                                    
                                </li>
    
    
                                <li> version版本号:
                                    
    
                                    
                                    <input type="text" name="version" value="v6.3.0.1030"
                                        onFocus="if(value==defaultValue){value='';this.style.color='#000'}"
                                        onBlur="if(!value){value=defaultValue;this.style.color='#999'}"
                                        style="color:#999999">
                                </li>
    
                                
                                <li> 是否进行sonar扫描:
    
                                    <br />
                                    <input type="radio" name="sonar" value="False" checked="checked" /> False <br />
                                    <input type="radio" name="sonar" value="True" /> True<br />
                                    
    
    
                                </li>
                                <li> 额外参数para1:
                                    
                                    <input type="text" name="para1" value="自定义参数para1的值"
                                        onFocus="if(value==defaultValue){value='';this.style.color='#000'}"
                                        onBlur="if(!value){value=defaultValue;this.style.color='#999'}"
                                        style="color:#999999">
                                </li>
    
                                <li> 额外参数para2:
                                    
                                    <input type="text" name="para2" value="自定义参数para2的值"
                                        onFocus="if(value==defaultValue){value='';this.style.color='#000'}"
                                        onBlur="if(!value){value=defaultValue;this.style.color='#999'}"
                                        style="color:#999999">
                                </li>
    
                                <br><br />
                                <li>
                                    <br><br />
                                    <button type="submit" class="btn btn-default">发布测试环境</button>
                                </li>
    
                            </ul>
    
    
                        </form>
                    </div>
                </div>
    
    
            </div>
    
        </div>
    </div>
    
    </body>
    
    </html>

[97c71955b14a1b9847dda6bd763060e6.png]: /images/20221119/060b697130c844549e8d6fa5eb521850.png
[3052c0042798ffabd32a8ec3c64458e1.png]: /images/20221119/6d0fb2dfc2474ff7bc6180aee8c75784.png