beego 模板中对变量的对比

使用beego的view中的range嵌套使用if

一. 使用select下拉是用if判断然后给默认选中

<select  name="Pid">
    {{$pid := .department.Pid}}
     {{range $value := .list}}
          <option lay-skin="primary" {{if eq $value.id $pid}} selected="selected" {{end}}
               class="layui-input" value="{{$value.id}}">{{$value.name}}</option>
      {{end}}
</select>

错误信息

2020/04/30 12:39:21.736 [E] [server.go:2697]  template: department/edit.html:46:60: executing "department/edit.html" at <eq $value.id $pid>: error calling eq: invalid type for comparison

使用compare替换eq即可解决

<select  name="Pid">
    {{$pid := .department.Pid}}
     {{range $value := .list}}
          <option lay-skin="primary" {{if compare $value.id $pid}} selected="selected" {{end}}
               class="layui-input" value="{{$value.id}}">{{$value.name}}</option>
      {{end}}
</select>

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