zhkt/protected/view/admin-editclass.html

<!-- include 'admin-header' -->
<div class="mainWrap">
  <!-- include 'admin-leftWrap' -->
  <div class="mainContent">
    <div class="page-header pageHeader">
      <h4>
        <ol class="breadcrumb breadcrumbNot">
          <li><a href="{{rootUrl}}m/classlist">课程列表</a></li>
          <li class="active"><!-- if isset({{edit}}) -->编辑<!-- else -->新建<!-- endif -->课程</li>
        </ol>
      </h4>
    </div>
    <div class="tableContent clearfix">
      <form class="form-horizontal" role="form" method="post" action="{{rootUrl}}m/doclass" onsubmit="return checkclassMsg();" enctype="multipart/form-data">
        <table class="tableForm">
          <thead>
            <tr>
              <th width="120"></th>
              <th width="550"></th>
            </tr>
          </thead>
          <tr>
            <td>课程预览图：</td>
            <td>
              <input type="file" name="avatar" id="avatar" accept="image/png,image/gif,image/jpeg" <!-- if isset({{classinfo}}) -->style="display: none;"<!-- endif -->>
              <!-- if isset({{classinfo}}) --><img src="{{rootUrl}}{{classinfo.avatar}}" id="img" width="130" height="73">&nbsp;<a id="changeimg">替换</a><!-- endif -->
            </td>
          </tr>
          <tr>
            <td>课程名称：</td>
            <td><input type="text" name="classname" class="form-control" id="classname" placeholder="" value="<!-- if isset({{classinfo}}) -->{{classinfo.classname}}<!-- endif -->"></td>
          </tr>
          <tr>
            <td>课程价格：</td>
            <td><input type="number" class="form-control" id="price" name="price" step="0.01"  style="width:120px; display:inline-block;" value="<!-- if isset({{classinfo}}) -->{{classinfo.price}}<!-- endif -->">&nbsp;元</td>
          </tr>
          <tr>
            <td>总课时：</td>
            <td>
              <div class="fL">
                <input type="number" class="form-control" name="totalnum" id="totalnum" style="width:120px; display:inline-block;" value="<!-- if isset({{classinfo}}) -->{{classinfo.classnum}}<!-- endif -->">&nbsp;课时
              </div>
              <div class="fR">
                <span>每课时长：</span>
                <span><input type="number" class="form-control" name="classtime" id="classtime" style="width:120px; display:inline-block;" value="<!-- if isset({{classinfo}}) -->{{classinfo.classtime}}<!-- endif -->">&nbsp;分钟</span>
              </div>
            </td>
          </tr>
          <tr>
            <td>截至报名时间：</td>
            <td><input type="date" class="form-control" name="stoptime" id="stoptime" placeholder="" style="width:200px; display:inline-block;" value="<!-- if isset({{classinfo}}) -->{{classinfo.stoptime}}<!-- endif -->"></td>
          </tr>
          <tr>
            <td>课程简介：</td>
            <td>
              <textarea class="form-control" rows="5" name="desc" id="desc"><!-- if isset({{classinfo}}) -->{{classinfo.description}}<!-- endif --></textarea>
            </td>
          </tr>
          <tr>
            <td></td>
            <td>
              <a href="{{rootUrl}}m/classlist" type="submit" class="btn btn-default">取消</a>
              <button type="submit" class="btn btn-primary">确定</button>
            </td>
          </tr>
          <input type="hidden" id="hadavatar" name="hadavatar" value="<!-- if isset({{classinfo}}) -->{{classinfo.avatar}}<!-- endif -->">
          <input type="hidden" id="createtime" name="createtime" value="<!-- if isset({{classinfo}}) -->{{classinfo.createtime}}<!-- endif -->">
          <input type="hidden" id="classid" name="classid" value="<!-- if isset({{classinfo}}) -->{{classinfo.classid}}<!-- endif -->">
        </table>
      </form>
    </div>
  </div>
</div>
<script>
  function checkclassMsg(){
    var classname=document.getElementById('classname').value;
    var price=document.getElementById('price').value;
    var totalnum=document.getElementById('totalnum').value;
    var classtime=document.getElementById('classtime').value;
    var stoptime=document.getElementById('stoptime').value;
    var desc=document.getElementById('desc').value;
    var hadavatar=document.getElementById('hadavatar').value;
    var avatar=document.getElementById('avatar').value;

    if(classname.trim() == ''){
      alert("输入课程名");
      return false;
    }

    if(price.trim() == ''){
      alert("输入价格");
      return false;
    }

    if(isNaN(price)){
      alert("价格 - 请输入数字");
      return false;
    }

    if(price < 0){
      alert("价格 - 请输入正数");
      return false;
    }

    if(totalnum.trim() == ''){
      alert("输入总课时");
      return false;
    }

    if(isNaN(totalnum)){
      alert("总课时 - 请输入数字");
      return false;
    }

    if(totalnum < 0){
      alert("总课时 - 请输入正数");
      return false;
    }

    if(classtime.trim() == ''){
      alert("输入时长");
      return false;
    }

    if(isNaN(classtime)){
      alert("时长 - 请输入数字");
      return false;
    }

    if(classtime < 0){
      alert("时长 - 请输入正数");
      return false;
    }

    if(stoptime.trim() == ''){
      alert("输入日期");
      return false;
    }

    if(desc.trim() == ''){
      alert("输入简介");
      return false;
    }

    if(hadavatar.trim() == '' && avatar.trim() == ''){
      alert("请上传预览图");
      return false;
    }
  }
  <!-- if isset({{classinfo}}) -->
  $('#changeimg').click(function() {
    if ($(this).text() == '不想替换了') {
      $(this).text('替换');
      $('#avatar').hide();
      $('#img').show();
    } else {
      $(this).text('不想替换了');
      $('#avatar').show();
      $('#img').hide();
    }
  });
  <!-- endif -->
</script>
</body>
</html>