pc-component-v5/packages/modal/src/ModalFix.js

export default {
  /**
     * 获取BootstrapDialog插件显示的模态框的数量
     */
  getBootstrapDialogCount: function(){
    return $('div[class*=\'modal\'][class*=\'bootstrap-dialog\']').length;
  },

  /**
     * 获取Modal.vue插件显示的数量
     */
  getActiveModalCount: function(){
    return $('div:visible').children('div.modal').length;
  },

  /**
     * 获取HTML界面模态框可见的总数
     */
  getActiveCount: function(){
    return this.getBootstrapDialogCount() + this.getActiveModalCount();
  },

  fix: function(){
    var activeModalCount = this.getActiveCount();
    if(activeModalCount == 0){
      // 界面已经没有活动的模态框
      document.body.className = document.body.className.replace(/\s?modal-open/, '');
    }else{
      if(document.body.className.indexOf('modal-open') < 0){
        document.body.className += ' modal-open';
      }
    }
  },
};