事件处理效果预览

模板预览事件类型

PreviewService函数调用示例

import { ActionTypes }; 
export PreviewService {   
  emit($event) {     
    const { action, target } = $event;     
    switch (action) {       
      case ActionTypes.OPEN_APP:         
        if (target) {           
          this.alert (`你要打开的app地址为${target},请在移动端进行此操作`);         
          }         
        break;       
      case ActionTypes.OPEN_BROWSER:       
      case ActionTypes.OPEN_URL:         
        location.href = target;         
        break;       
      default:         
        break;     
     }   
    } 
   }