如何正确的使用angularjs模态框

<div>
<button type="button" class="btn btn-primary" ng-click="openAddModal()" data-toggle="modal"
data-target="#documentOprModal" >
<i class="glyphicon glyphicon-plus"></i>{{ 'i18n.add' | translate }}
</button>
</div>

<div class="modal fade" id="documentOprModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"
  data-backdrop="static" data-keyboard="false">
  <div class="modal-dialog modal-lg" role="document" >
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span
            aria-hidden="true">&times;</span></button>
        <h5 class="modal-title" id="myModalLabel"> 文档入库</h5>
      </div>
      <div class="modal-body">
        <!--开发-->
        <form name="docForm" id="docForm" novalidate>
          <!-- 分类 -->
          <div class="form-group">
            <label class="col-lg-12 col-md-12 col-xs-12" >分类：</label>
            <div class="input-group col-lg-12 col-md-12 col-xs-12">
              <div class="input-group">
                <input type="text" ng-model="document.classification_name" class="form-control"
                  placeholder="选择分类">
                <div class="input-group-btn">
                  <button type="button" class="btn btn-default" 
                    ng-click="toggleDetail()"> <span class="caret"></span></button>
                </div>
              </div>
              <div ng-show="isShowDetail" >
                <div class="panel panel-default">
                  <div class="panel-body list-group list-group-contacts">
                    <div>
                      <ul id="classify-tree" class="ztree"></ul>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <!-- 星级 -->
          <div class="form-group">
            <label class="col-lg-12 col-md-12 col-xs-12" >星级：</label>
            <div class="input-group col-lg-12 col-md-12 col-xs-12">
              <ui-select ng-model="document.starGrade" theme="selectize">
                <ui-select-match placeholder="请选择星级">
                  <span ng-bind="$select.selected.name"></span>
                </ui-select-match>
                <ui-select-choices
                  repeat="item.id as item in (starGrades | filter: $select.search) track by $index ">
                  <div ng-bind-html="item.name | highlight: $select.search"></div>
                </ui-select-choices>
              </ui-select>
            </div>
          </div>
          <!-- 井号 -->
          <div class="form-group">
            <label for="jhText">井号：</label>
            <input type="text" class="form-control" id="jhText" ng-model="document.jh">
          </div>
          <!-- 作者 -->
          <div class="form-group">
            <label for="authorText">作者：</label>
            <input type="text" class="form-control" id="authorText" ng-model="document.author">
          </div>
          <!-- 单位 -->
          <div class="form-group">
            <label for="unitText">单位：</label>
            <input type="text" class="form-control" id="unitText" ng-model="document.unit">
          </div>
          <!-- 日期 -->
          <div class="form-group">
            <label for="writeDate">写作日期：</label>
            <input type="date" class="form-control" id="writeDate" ng-model="document.writeDate">
          </div>
          <!-- 简介 -->
          <div class="form-group">
            <label for="introductionTextArea">简介：</label>
            <textarea class="form-control" id="introductionTextArea" ng-model="document.introduction"
              rows="5" cols="60"></textarea>
          </div>
          <!-- 可能的查询关键字 -->
          <div class="form-group">
            <label for="keyPackageTextArea">可能的查询关键字:</label>
            <textarea class="form-control" id="keyPackageTextArea" ng-model="document.keyPackage" rows="5"
              cols="60"></textarea>
          </div>
          <!-- 文件 -->
          <div class="form-group">
            <div id="inputContent">
              <input id="importFile" type="file" name="file" class="file-loading">
            </div>
          </div>
        </form>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-primary" ng-click="submitFileInfo()"><i class="fa fa-check"></i>{{ 'i18n.save'
          | translate }}
        </button>
        <button type="button" class="btn btn-default" data-dismiss="modal" ><i
            class="fa fa-ban"></i>{{
          'i18n.cancel' | translate }}
        </button>
      </div>
    </div>
  </div>
</div>

/**
         * 点击 添加事件打开模态框
         */
        function openAddModal() {
          $('#documentOprModal').modal({
            show: true,
            keyboard: false,
            backdrop: 'static'
          });
        }